CN113787361A

CN113787361A - Horizontal multi-shaft deep hole drilling machine

Info

Publication number: CN113787361A
Application number: CN202110558969.0A
Authority: CN
Inventors: 魏全跃
Original assignee: Zhejiang Zhongzhi Jinggong Intelligent Equipment Co ltd
Current assignee: Zhejiang Zhongzhi Jinggong Intelligent Equipment Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-12-14

Abstract

The invention provides a horizontal multi-shaft deep hole drilling machine, which solves the problems of unstable drilling quality and the like when a plurality of workpieces are processed, the automatic feeding machine comprises a machine body, a plurality of groups of workpiece clamping driving mechanisms are installed above the machine body, the workpiece clamping driving mechanisms are provided with a rotary clamping sleeve component and a workpiece clamping component which are arranged oppositely, the rotary clamping sleeve component is connected with the machine body in a sliding mode through a sliding rail component, the workpiece clamping mechanisms are provided with rotating driving components, the sliding rail component is connected with a feeding component which is opposite to the rotary clamping sleeve component and used for fixing a gun drill in a sliding mode, a lead screw driving mechanism is arranged between the feeding component and the machine body, a cylinder driving mechanism is arranged between the rotary clamping sleeve component and the workpiece clamping component, a feeding mechanism and a material changing mechanism are installed above the machine body, a chip removal device is arranged below the machine body, and a cooling liquid filtering and recycling mechanism connected with the chip removal device is arranged below the machine body. The invention has the advantages of stable drilling quality, high processing efficiency and the like.

Description

Horizontal multi-shaft deep hole drilling machine

Technical Field

The invention belongs to the technical field of deep-hole drilling machines, and particularly relates to a horizontal multi-shaft deep-hole drilling machine.

Background

The deep hole drilling machine is different from the traditional hole processing mode, mainly depends on specific drilling technology (such as gun drill, BTA drill, jet-suction drill and the like), and the special machine tool for drilling and processing the deep hole system with the length-diameter ratio larger than 10 and the precise shallow hole is commonly called as the deep hole drilling machine. Deep-hole drilling machines are mostly in horizontal and three-coordinate structures. The drill press typically has an independent and sophisticated cutting oil high pressure, cooling and filtration system to ensure an adequate, clean, moderate temperature supply of cutting oil. Classifying according to motion forms: the workpiece rotates, the cutter performs feed motion, the workpiece does not move, and the cutter rotates and performs feed motion; the workpiece rotates, and the cutter rotates reversely and performs feeding motion. The particular manner used depends on the characteristics of the workpiece and the condition of the hole being machined. However, in the actual use process, the conventional deep hole drilling machine cannot ensure the positioning accuracy of the drill bit, and the drill bit is easy to deviate during drilling. In addition, to the drilling of big batch work piece, ordinary drilling machine can't guarantee that each work piece drilling quality is stable.

In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, the chinese patent document discloses a deep-hole drilling machine [201720466493.7], which comprises a power head mechanism mounted on a rail surface of the drilling machine, and a horizontal lathe, wherein a drill is mounted on the power head mechanism, and the horizontal lathe is used for clamping a workpiece to be machined, wherein a guide mechanism is provided between the power head mechanism and the horizontal lathe, and a support mechanism is provided between the guide mechanism and the power head mechanism;

the scheme solves the problem of insufficient drilling precision of the deep hole drilling machine to a certain extent, but the scheme still has a plurality of defects, such as unstable drilling quality when a plurality of workpieces are processed.

Disclosure of Invention

The invention aims to solve the problems and provides a horizontal multi-shaft deep hole drilling machine which is reasonable in design and stable in drilling quality.

In order to achieve the purpose, the invention adopts the following technical scheme: this horizontal multiaxis deep-hole drilling machine, including the lathe bed, a plurality of groups work piece centre gripping actuating mechanism are installed to the lathe bed top, work piece centre gripping actuating mechanism has relative rotary clamping cover subassembly and the work piece centre gripping subassembly that sets up, rotary clamping cover subassembly passes through the relative lathe bed sliding connection of slide rail set spare, work piece fixture is equipped with the rotation drive subassembly, sliding connection has the relative feeding subassembly that just is used for fixed gun drill with rotary clamping cover subassembly on the slide rail set spare, be provided with lead screw actuating mechanism between feeding subassembly and the lathe bed, be provided with cylinder actuating mechanism between rotary clamping cover subassembly and the work piece centre gripping subassembly, feed mechanism and reloading mechanism are installed to the lathe bed top, the lathe bed below is provided with chip removal device and filters the recovery mechanism with the coolant liquid that chip removal device is connected. The plurality of workpiece clamping driving mechanisms are driven synchronously, the rotary clamping sleeve assembly and the workpiece clamping assembly are used for clamping workpieces and driving the workpieces to rotate through the rotary driving assembly, the feeding assembly realizes feeding of the drill bit under the action of the lead screw driving mechanism, the workpieces rotate during drilling, and the drill bit is fixed, so that the stability of the drill bit during drilling of deep holes is improved, and the drilling quality is further improved.

In foretell horizontal multiaxis deep-hole drilling machine, slide rail assembly includes the linear rail along lathe bed lateral extension, and sliding connection has the slider on the linear rail, and slider and rotatory press from both sides and press from both sides the cover subassembly and feed and be provided with the linear rail briquetting between the subassembly, and the tow chain support is installed to the lathe bed lateral part, and the tow chain of fixing on the tow chain support is connected with the mounting plate of installing in rotatory cover subassembly and feeding subassembly one side, and the whole setting of lathe bed is in the protective housing. The slide rail component can realize the relative movement of the rotary clamping sleeve component and the rotary clamping sleeve component, thereby fixing rod-shaped workpieces with different specifications. The rotary jacket assembly is used for fixing a workpiece and guiding the drill bit to be opposite to the center of the workpiece, so that the precision in drilling is improved. The drag chain on the drag chain bracket plays a role in protecting pipelines and lines and deforms along with the movement of the rotary jacket assembly and the feeding assembly.

In the horizontal multi-shaft deep hole drilling machine, the rotary jacket component comprises a movable ejector block arranged on a sliding block, a main drill sleeve seat is arranged in the movable ejector block, an auxiliary drill sleeve seat is rotatably arranged at the inner side of the main drill sleeve seat, a bearing is arranged between the main drill sleeve seat and the auxiliary drill sleeve seat, a clamping piece is fixed at one end of the auxiliary drill sleeve seat, which is opposite to the elastic chuck and the workpiece clamping component, a pressing cover is arranged between the main drill sleeve seat and the auxiliary drill sleeve seat, which are close to one end of the workpiece clamping component, a tail pressing is arranged at the other end of the main drill sleeve seat and the auxiliary drill sleeve seat, a drill sleeve core is arranged at the inner side of the elastic chuck, a chip discharging guide sleeve is arranged at one end of the movable ejector block, which is far away from the workpiece clamping component, an observation port is arranged above the chip discharging guide sleeve and is sealed by the clamping piece, chip discharge ports are arranged below the chip discharging guide sleeve, chip guide plates are arranged at two sides of the chip discharge ports, a through hole for a gun drill to pass through is arranged at the center of the end of the chip discharging guide sleeve, a rubber sleeve is arranged between the through hole and the gun drill, the workpiece clamping assembly comprises a power shaft seat arranged on the lathe bed, a driving spindle shell is arranged in the power shaft seat, an inner bearing space ring is rotatably arranged in the driving spindle shell, a bearing is arranged between the driving spindle shell and the inner bearing space ring, a driving spindle core is arranged in the inner bearing space ring, a jacking taper sleeve is arranged at one end, opposite to the rotating jacket assembly, of the driving spindle core, a front gland opposite to the jacking taper sleeve is arranged between the driving spindle core and the power shaft seat, a middle space ring and a locking nut are sleeved outside the driving spindle core, a tail baffle is arranged between one end, far away from the rotating jacket assembly, of the power shaft seat and the driving spindle shell, the rotating driving assembly comprises a main synchronizing wheel fixed at the end head of the driving spindle core, a motor support plate and a belt cover plate for sealing the main synchronizing wheel are arranged outside the power shaft seat, a driving motor is fixed outside the motor support plate, the output end of the driving motor extends into the motor support plate and is fixed with an auxiliary synchronizing wheel, a transmission belt is sleeved between the main synchronizing wheel and the auxiliary synchronizing wheel, the air cylinder driving mechanism comprises a thin air cylinder fixed on the power shaft seat, the output end of the thin air cylinder faces the rotating jacket assembly and is fixedly provided with a pull rod, an air cylinder pulling block is fixed on the pull rod, and the air cylinder pulling block is fixedly connected with the movable jacking block through a bolt. The rotary jacket assembly is used for fixing a workpiece and guiding the drill bit to be opposite to the center of the workpiece, so that the precision in drilling is improved. The chip discharging guide sleeve avoids the drill cuttings brought out by the drill bit from splashing and concentrates and uniformly processes the chips. The tight taper sleeve in top of work piece centre gripping subassembly end department is applicable to each bar centre gripping fixed, and its rotation resistance is reduced to its inside bearing. Each workpiece clamping component of the rotation driving component provides rotation driving force, synchronous rotation of the drill bit is achieved, and the drill bit is suitable for machining of large-batch parts. The cylinder driving mechanism drives the rotary clamping sleeve component and the workpiece clamping component to move relatively, and the relative distance is adjusted.

In foretell horizontal multiaxis deep-hole drilling machine, the feeding subassembly is including installing the feed plate on the slider, the feed plate top is fixed with the handle of a knife holder, it has the fixed orifices that supplies the gun drill to fix to open on the handle of a knife holder, handle of a knife holder top is rotated and is connected with the adjustment handle relative with the gun drill in the fixed orifices, lead screw actuating mechanism is including installing the transmission cushion above the lathe bed, install the speed reducer mounting panel of vertical setting on the transmission cushion, install lead screw motor and speed reducer on the speed reducer mounting panel, the speed reducer output passes through the shaft coupling and is connected with drive screw, install the bearing frame that supplies drive screw to pass on the transmission cushion, the drive screw other end is connected with the bearing support who fixes on the lathe bed, threaded connection has screw nut on the drive screw, screw nut passes through screw nut body and feed plate fixed connection. The adjusting handle on the feeding assembly can realize the fixation of the drill bit, and the alignment of the drill bit and the workpiece is realized relative to the rotating jacket assembly. The screw rod driving mechanism drives the feeding assembly to feed, so that the drill bit is stably fed, and the rotation and feeding movement of the drill bit are separated.

In foretell horizontal multiaxis deep-hole drilling machine, chip removal device is including setting up the lower casing in the lathe bed below, and lower casing one end is even as an organic whole through oblique casing and last casing, and lower casing, be provided with belt transmission mechanism between oblique casing and the last casing, the lower casing inside is separated for the piece through the division board and is collected the chamber and the coolant liquid collects the chamber, and division has a plurality ofly and the coolant liquid to collect the collection mouth of chamber intercommunication, installs three-phase charge pump and the level gauge that relative coolant liquid collection chamber symmetry set up on the casing down. The piece is collected the chamber and is transmitted the piece with the cooperation of belt transmission mechanism, and the coolant liquid is collected the chamber and is exported the coolant liquid under the three-phase charge pump effect, collects the mouth and collects remaining coolant liquid in the piece, and the level gauge detects the coolant liquid level, guarantees that the coolant liquid is collected the intracavity and is left sufficient space and collect the coolant liquid, has better coolant liquid collection effect.

In the horizontal multi-shaft deep hole drilling machine, a plurality of chip removal ports are formed in a machine body, chip guide ports with the width gradually reduced from top to bottom are arranged below the chip removal ports, an opening above a chip collection cavity of a lower shell is opposite to the lower end of the chip guide ports, chip guide plates which are obliquely arranged are circumferentially distributed on the opening above the chip collection cavity of the lower shell along the circumferential direction, a distance is reserved between the lower ends of the chip guide plates and the inner wall of the chip collection cavity, a separation frame is arranged in the lower shell, a socket which is arranged on one side of the upper end of the separation frame is formed in the lower shell, a filter plate which covers a frame opening of the separation frame is inserted in the socket, a chip filter screen is covered at the collection ports, auxiliary shells which extend outwards are respectively arranged on two sides of one end, close to an inclined shell, a three-phase electric pump and a liquid level meter are respectively arranged on the auxiliary shells, a plurality of universal wheels and support feet are fixed below the lower shell, and L-shaped support bars are arranged on two sides above the chip collection cavity, the support bar is along piece collection chamber axial extension, piece collection chamber below laminating sets up the strengthening rib of C shape, the strengthening rib both ends are collected the intracavity side with the coolant liquid and are fixed, the level gauge includes the liquid level frame of vertical setting, be provided with the liquid level pole of its oscilaltion relatively in the liquid level frame, liquid level pole middle part is fixed with the liquid level piece and the lower extreme is fixed with the liquid level floater, the intracavity is collected at the coolant liquid to the liquid level floater setting, belt transmission mechanism is including fixing the driving motor in last casing top, driving motor passes through band pulley drive mechanism and rotates the transmission band pulley of being connected in last casing to be connected, the cover has transmission band and transmission band to extend to the casing down through oblique casing on the transmission band pulley. The chip removal port and the chip guide port are arranged oppositely, and chips and cooling liquid are intensively input into the chip collection cavity for further separation and treatment. The coolant liquid that leads the bits guide and splash and piece entering piece collection chamber intracavity, piece collection chamber is under the narrow width structure, avoids the piece to pop out. The filter plate is inserted into the insertion opening on one side of the separation frame, so that debris is prevented from invading the three-phase electric pump. The support bars and reinforcing ribs improve the structural strength of the debris collection chamber so that a greater weight of debris transfer can be accommodated. The auxiliary shell expands the cooling liquid collecting cavity, and normal negative pressure liquid suction of the cooling liquid collecting cavity is not influenced. The level gauge detects the amount of the internal cooling liquid in time, and the excessive overflow of the cooling liquid is avoided. The lower shell is moved or fixed by universal wheels and supporting feet, so that the position is adjusted to be matched with the lathe bed. The belt conveying mechanism lifts the chips upwards, and the cooling liquid flows into the lower shell along with the chips in the lifting process. The filter screen is used for separating the cooling liquid from the scraps, and the collecting port is not blocked when the belt conveying mechanism operates.

In foretell horizontal multiaxis deep-hole drilling machine, the coolant liquid filters recovery mechanism and includes the coolant tank, is equipped with the main cavity body and the vice cavity of mutual intercommunication in the coolant tank, and the air-cooled oil cooler that liquid pump subassembly and be connected with the liquid pump subassembly is installed to main cavity body top, and the internal interpolation of main cavity has the magnetic stick, and bag filter and the charge pump of being connected with bag filter are installed to vice cavity top, is provided with the level gauge in the vice cavity. The cooling oil tank is used for temporarily storing the cooling liquid, the magnetic rod in the cooling oil tank removes iron scraps, the bag filter removes fine impurities, and the air-cooled oil cooler is matched to rapidly cool the input cooling liquid, so that the recycling of the cooling liquid is realized.

In the horizontal multi-shaft deep hole drilling machine, an opening above a main cavity is sealed by an oil absorption cover plate and a cooling motor mounting plate, a liquid pump assembly is fixed on the cooling motor mounting plate, a magnetic rod is inserted and fixed on the oil absorption cover plate, a bulge plate which is fixedly attached to the liquid pump assembly is arranged in the middle of the cooling motor mounting plate, the oil absorption cover plates are symmetrically arranged, an oil absorption hole is formed between the oil absorption cover plates, heat dissipation holes which are arranged in a matrix form are formed in the oil absorption cover plates and the cooling motor mounting plate, the liquid pump assembly comprises an asynchronous motor which is arranged on the cooling motor mounting plate, the output end of the asynchronous motor is connected with a gear pump, the gear pump is provided with an oil distribution block, an opening above an auxiliary cavity is sealed by an oil tank cover plate, a bag filter, an electric pump and a liquid level meter are arranged on the oil tank cover plate, a bell-shaped sleeve is sleeved outside the asynchronous motor and the gear pump, and the side surface of the bell-shaped sleeve is provided with an opening which is opposite to the output end of the asynchronous motor, the cooling support body is installed to cooling oil tank's main cavity body top, and the liquid pump subassembly sets up between cooling oil tank and cooling support body, and air-cooled oil cooler installs in cooling support body top, and air-cooled oil cooler's fan setting is above and the air outlet of below is relative with the liquid pump subassembly, and air-cooled oil cooler's business turn over mouth department is fixed with the screw short-circuit connection respectively, and it has the oil-out with inside main cavity body and vice cavity intercommunication to open the cooling oil tank below. The liquid pump assembly can improve the pumping force for the air-cooled oil cooler, so that the cooled liquid is guided into the main cavity for temporary storage. The bulge plate facilitates installation of the liquid pump assembly, and the heat dissipation holes are used for heat exchange of cooling liquid, so that heat accumulation in the cooling oil tank is avoided. The asynchronous motor improves the driving force, and the oil distribution block realizes oil path distribution. The bell-shaped sleeve plays a good role in protecting the rotating connection of the asynchronous motor and avoids the invasion of impurities. The cooling frame body lifts the air-cooled oil cooler, so that sufficient installation space is reserved, and the air quantity output by the air-cooled oil cooler can play a role in heat dissipation of the liquid pump assembly. The air outlet is used for normal air diversion. The threaded short joint provides better sealing performance for the air-cooled oil cooler. The oil outlet can lead out residual cooling liquid in the cooling oil tank. And the oil tank cover plate above the auxiliary cavity is used for installing the bag filter, so that the bag filter is matched with the magnetic rod to continuously filter the internal cooling liquid in a circulating manner.

In the horizontal multi-shaft deep hole drilling machine, the feeding mechanism comprises a feeding frame body, a workpiece conveying belt and a material receiving frame arranged at one end of the workpiece conveying belt are arranged above the feeding frame body, a transmission motor is arranged on the feeding frame body and is connected with the workpiece conveying belt through belt wheel transmission, a protective guard is arranged around the upper part of the workpiece conveying belt, a pushing plate and a top block which are opposite are arranged on the feeding frame body through a vertical lifting mechanism, a feeding lifting limiting column and a feeding lifting limiting seat which are mutually spliced are arranged between the pushing plate and the top block and the feeding frame body, a horizontal moving mechanism is arranged between the pushing plate and the vertical lifting mechanism, limiting side plates arranged at two sides of the pushing plate and the top block are arranged above the feeding frame body through a sliding block assembly, a plurality of limiting notches which are opposite to the workpiece are arranged on the pushing plate, and a material bearing notch which is opposite to a material bearing plate obliquely arranged at the inner side of the limiting side plate is arranged on the top block, the inner side of the limiting side plate is provided with an adjusting plate which is provided with a limiting notch at the upper part and is arranged on one side of the pushing plate. The feeding mechanism continuously and stably supplies materials for the drilling machine, can realize simultaneous positioning of a plurality of workpieces, and is convenient for the material changing mechanism to clamp and transport the materials.

In foretell horizontal multiaxis deep-hole drilling machine, the mechanism of reloading is including fixing the support column in lathe bed top both sides, be fixed with the pillar board between the support column top, the pillar board below is connected with the work or material rest of reloading through the backing plate, work or material rest below and side are connected with the seat of reloading through the slider guide rail, be provided with rack and pinion actuating mechanism between seat of reloading and the work or material rest of reloading, the cylinder of reloading through vertical setting is connected with the lifter plate for reloading, be provided with the spacing post of the lift of reloading and the spacing seat of the lift of reloading of pegging graft mutually between lifter plate and the seat of reloading, the lifter plate below is fixed with a plurality of pneumatic clamping jaws, seat one side of reloading is connected with the planker through exocoel tow chain. The material changing mechanism is used for clamping moving workpieces, can clamp a plurality of workpieces at a time, and is matched with a drilling machine to obtain higher working efficiency.

Compared with the prior art, the invention has the advantages that: during drilling, the workpiece rotates and the drill bit is fixed, and the drill bit and the workpiece are positioned by the multiple groups of rotary jacket assemblies, so that the drilling stability is improved, and the drilling quality is improved; the cooling liquid collecting cavity is matched with the three-phase electric pump and the liquid level meter, so that the chip removal device is ensured to have a better cooling liquid collecting effect; the air-cooled oil cooler, the bag filter and the magnetic rod can continuously cool and filter the cooling liquid, so that high utilization rate of the cooling liquid is obtained.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the refueling mechanism of the present invention;

FIG. 3 is a schematic structural view from another perspective of the refueling mechanism of the present invention;

FIG. 4 is a schematic structural view of the feed mechanism of the present invention;

FIG. 5 is a schematic structural view of another perspective of the feed mechanism of the present invention;

FIG. 6 is a schematic structural view of the workpiece clamping drive mechanism of the present invention;

FIG. 7 is a partial cross-sectional view of the motor mounting plate of the present invention;

FIG. 8 is a partial cross-sectional view of a rotary collet assembly of the present invention;

FIG. 9 is a partial cross-sectional view of the workpiece clamping assembly of the present invention;

fig. 10 is a schematic view of the chip removal device of the present invention;

FIG. 11 is a sectional view of the bed and lower housing of the present invention;

fig. 12 is a structural sectional view of the chip removal device of the present invention;

FIG. 13 is a schematic view of the structure of the gauge of the present invention;

FIG. 14 is a schematic view of the structure of the coolant filtering and recovering mechanism of the present invention;

FIG. 15 is a schematic view of another aspect of the coolant filter recovery mechanism of the present invention;

FIG. 16 is a schematic structural view of a cooling oil tank of the present invention;

in the figure, a machine tool body 1, a workpiece clamping driving mechanism 2, a rotary clamping sleeve component 22, a movable top block 221, a main drill sleeve seat 222, a sub-drill sleeve seat 223, an elastic chuck 224, a clamping piece 225, a gland 226, a tail pressure 227, a drill sleeve core 228, a workpiece clamping component 23, a power shaft seat 231, a driving main shaft shell 232, an inner bearing spacer 233, a driving main shaft core 234, a tightening cone sleeve 235, a front gland 236, a middle spacer 237, a locking nut 238, a tail baffle 239, a slide rail component 24, a wire rail 241, a slide block 242, a wire rail pressing block 243, a rotary driving component 25, a main synchronizing wheel, a motor support plate 252, a belt cover plate 253, a driving motor 254, a sub-synchronizing wheel 255, a driving belt 256, a lead screw driving mechanism 26, a driving cushion block 261, a speed reducer mounting plate 262, a lead screw 263, a speed reducer 264, a coupling 265, a driving lead screw 266, a bearing seat 267, a bearing support 268, a lead screw nut 269, a lead screw nut 2691, a main screw nut seat body 2691, a sub-drill sleeve seat body, a tail pressure sleeve 235, a tail pressure sleeve, a tail pressure sleeve, a tail cap, the device comprises an air cylinder driving mechanism 27, a thin air cylinder 271, a pull rod 272, an air cylinder pull block 273, a scrap discharging guide sleeve 28, a card 281, a scrap guiding plate 282, a rubber sleeve 283, a drag chain bracket 29, a drag chain 291, a bracket plate 292, a feeding mechanism 3, a feeding bracket body 31, a workpiece conveying belt 32, a receiving frame 321, a protective guard 322, a transmission motor 33, a belt wheel transmission 331, a vertical lifting mechanism 34, a pushing plate 341, a top block 342, a feeding lifting limit column 343, a feeding lifting limit seat 344, a horizontal moving mechanism 35, a slider component 36, a limit side plate 361, a limit notch 362, a material bearing plate 363, a material bearing notch 364, an adjusting plate 365, a material changing mechanism 4, a support column 41, a support column plate 42, a bottom cushion plate 43, a material changing frame 44, a slider guide rail 45, a material changing seat 46, a lifting plate 461, a material changing lifting limit column 462, a material changing lifting limit seat 463, a gear rack driving mechanism 47, a material changing air cylinder 48, a pneumatic clamping jaw 49, a clamping jaw, a clamping device, a clamping, The device comprises a protective shell 5, a chip removal device 6, a lower shell 62, a chip guide plate 621, a partition frame 622, a socket 623, a filter plate 624, an inclined shell 63, an upper shell 64, a belt transmission mechanism 65, a driving motor 651, a belt wheel transmission mechanism 652, a transmission belt wheel 653, a transmission belt 654, a partition plate 66, a chip collection cavity 661, a cooling liquid collection cavity 662, a collection port 663, a support bar 664, a reinforcing rib 665, a sub-shell 666, a chip filtering net 667, a three-phase electric pump 67, a liquid level meter 68, a liquid level frame 682, a liquid level rod 682, a liquid level block 663, a liquid level floating ball 684, a chip discharge port 69, a chip guide port 691, a cooling liquid filtering and recycling mechanism 7, a cooling oil tank 71, a main cavity 711, a heat radiation hole 712, an oil suction cover plate 713, a cooling motor mounting plate 714, a convex plate, an oil suction hole 716, a 717, an oil outlet 718, a cover plate 719, a liquid pump component 72, an asynchronous motor 721, a gear pump 722, an oil separation block 723, a cooling hole 723, a cooling motor, Bell housing 724, air-cooled oil cooler 73, threaded short joint 731, magnetic bar 74, bag filter 75, electric pump 76, cavity level gauge 77, and cooling frame 78.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-16, the horizontal multi-spindle deep-hole drilling machine comprises a machine body 1, wherein a plurality of groups of workpiece clamping and driving mechanisms 2 are installed above the machine body 1, each workpiece clamping and driving mechanism 2 is provided with a rotary jacket component 22 and a workpiece clamping component 23 which are arranged oppositely, the rotary jacket component 22 is in sliding connection with the machine body 1 through a slide rail component 24, each workpiece clamping mechanism 23 is provided with a rotary driving component 25, the slide rail component 24 is in sliding connection with a feeding component 25 which is opposite to the rotary jacket component 22 and used for fixing a gun drill, a lead screw driving mechanism 26 is arranged between the feeding component 25 and the machine body 1, a cylinder driving mechanism 27 is arranged between the rotary jacket component 22 and the workpiece clamping component 23, a feeding mechanism 3 and a material changing mechanism 4 are installed above the machine body, and a chip removal device 6 and a cooling liquid filtering and recovering mechanism 7 connected with the chip removal device 6 are arranged below the machine body 1. The workpiece clamping component 23 is fixed relative to the lathe bed 1, the rotary clamping sleeve component 22 slides relative to the lathe bed 1 through the slide rail component 24 and the air cylinder driving mechanism 27 to adjust the relative distance with the workpiece clamping component 23, the bar workpiece is clamped and fixed between the rotary clamping sleeve component 22 and the workpiece clamping component 23, the feed component 25 is driven by the lead screw driving mechanism 26 to slide relative to the lathe bed 1, a drill bit opposite to the rotary clamping sleeve component 22 is fixed on the feed component 25, the drill bit is inserted into the rotary clamping sleeve component 22 to be opposite to a workpiece processing surface, the rotary driving component 25 drives the workpiece to rotate, and the drill bit is fixed in the circumferential direction and feeds axially to drill the workpiece.

Specifically, the slide rail assembly 24 includes a linear rail 241 extending along the transverse direction of the bed 1, a slide block 242 is slidably connected to the linear rail 241, a linear rail press block 243 is arranged between the slide block 242 and the rotary jacket assembly 22 and the feeding assembly 25, a drag chain support 29 is mounted on the side of the bed 1, a drag chain 291 fixed on the drag chain support 29 is connected to a support plate 292 mounted on one side of the rotary jacket assembly 22 and the feeding assembly 25, and the bed 1 is integrally arranged in the protective housing 5. The slide block 242 slides relative to the wire track 241 so that the rotating collet assembly 22 and the feeding assembly 25 move in the same axial direction.

Deeply, the rotary jacket assembly 22 comprises a movable top block 221 mounted on a sliding block 242, a main drill sleeve seat 222 is mounted in the movable top block 221, an auxiliary drill sleeve seat 223 is rotatably mounted on the inner side of the main drill sleeve seat 222, a bearing is arranged between the main drill sleeve seat and the auxiliary drill sleeve seat 223, a clamping piece 225 is mounted on the inner side of the auxiliary drill sleeve seat 223, a pressing cover 226 is mounted between the main drill sleeve seat 222 and the auxiliary drill sleeve seat 223 and close to one end of the workpiece clamping assembly 23, a tail pressure 227 is mounted at the other end of the workpiece clamping assembly 224, a drill sleeve core 228 is mounted on the inner side of the elastic clamping head 224, a chip discharging guide sleeve 28 is mounted at one end of the movable top block 221 far away from the workpiece clamping assembly 23, an observation port is formed above the chip discharging guide sleeve 28 and closed by a clamping piece 281, a chip discharging port is formed below the chip discharging guide sleeve 28, chip guide plates 282 are mounted on two sides of the chip discharging port, a through hole for a gun drill guide sleeve to pass through is formed in the center of the end of the chip discharging guide sleeve 28, a rubber sleeve 283 is arranged between the through hole and the gun drill, the workpiece clamping assembly 23 comprises a power shaft seat 231 arranged on the lathe bed 1, a driving main shaft shell 232 is arranged in the power shaft seat 231, an inner bearing space ring 233 is rotatably arranged in the driving main shaft shell 232, a bearing is arranged between the driving main shaft shell 232 and the inner bearing space ring 233, a driving main shaft core 234 is arranged in the inner bearing space ring 233, a tightening taper sleeve 235 is arranged at one end of the driving main shaft core 234 opposite to the rotating jacket assembly 22, a front gland 236 opposite to the tightening taper sleeve 235 is arranged between the driving main shaft core 234 and the power shaft seat 231, a middle space ring 237 and a lock nut 238 are sleeved outside the driving main shaft core 234, a tail baffle 239 is arranged between one end of the power shaft seat 231 far away from the rotating jacket assembly 22 and the driving main shaft shell 232, the rotating driving assembly 25 comprises a main synchronizing wheel 251 fixed at the end of the driving main shaft core 234, a motor support plate 252 and a belt cover plate 253 for sealing the main synchronizing wheel 251 are arranged outside the power shaft seat 231, a driving motor 254 is fixed on the outer side of the motor support plate 252, the output end of the driving motor 254 extends into the motor support plate 252 and is fixed with an auxiliary synchronizing wheel 255, a transmission belt 256 is sleeved between the main synchronizing wheel 251 and the auxiliary synchronizing wheel 255, the cylinder driving 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, a cylinder pull block 273 is fixed on the pull rod 272, and the cylinder pull block 273 is fixedly connected with the movable top block 221 through a bolt. The main drill bushing seat 222 and the auxiliary drill bushing seat 223 are provided with bearings for reducing rotation friction, and a pressing cover 226 and a tail pressing cover 227 are arranged in the front and the back respectively to achieve a sealing effect. The chip removal port below the chip guide sleeve 28 is opposite to the bed body 1, and the rubber sleeve 283 in the through hole prevents chips from entering the through hole. The jacking taper sleeve 235 is opposite to the clamping piece 225 of the elastic clamping head 224 in the rotary clamping sleeve assembly 22 and limits and clamps the front end and the rear end of the bar workpiece. The auxiliary synchronizing wheel 255 in the rotation driving assembly 25 can be matched with the plurality of main synchronizing wheels 251 to realize synchronous transmission, so that synchronous processing of a plurality of workpieces is realized, and the drilling efficiency of the workpieces is improved. The thin cylinder 271 drives the movable top block 221 to move, so that the workpiece can be clamped and fixed by the rotary clamping sleeve assembly 22 and the workpiece clamping assembly 23.

Further, the feeding assembly 25 includes a feeding plate 251 installed on the slider 242, a tool holder 252 is fixed above the feeding plate 251, a fixing hole for fixing a gun drill is formed in the tool holder 252, an adjusting handle 253 opposite to the gun drill in the fixing hole is rotatably connected above the tool holder 252, the screw driving mechanism 26 includes a transmission pad 261 installed above the machine body 1, a vertically-arranged speed reducer mounting plate 262 is installed on the transmission pad 261, a screw motor 263 and a speed reducer 264 are installed on the speed reducer mounting plate 262, an output end of the speed reducer 264 is connected with a 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 with a bearing support 268 fixed on the machine body 1, a screw nut 269 is connected to the transmission screw 266 through a thread, and the screw nut 269 is fixedly connected with the feeding plate 251 through a screw nut seat 2691. The adjusting handle 253 is rotated to clamp and fix the gun drill in the fixing hole, so that the ends of the drill bits are flush, and the workpiece is synchronously processed. The screw motor 263 in the screw driving mechanism 26 is connected with the speed reducer 264, so that the screw nut base 2691 and the feeding component 25 can feed stably, and the feeding precision is high.

Furthermore, the chip removal device 6 comprises a lower shell 62 arranged below the lathe bed 1, one end of the lower shell 62 is connected with an upper shell 64 into a whole through an inclined shell 63, a belt transmission mechanism 65 is arranged among 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 cavity 661 and a cooling liquid collection cavity 662 through a partition plate 66, a plurality of collection ports 663 communicated with the cooling liquid collection cavity 662 are formed in two sides of the partition plate 66, and a three-phase electric pump 67 and a liquid level meter 68 which are symmetrically arranged relative to the cooling liquid collection cavity 662 are installed on the lower shell 62. The belt transfer mechanism 65 transfers the chips collected in the chip collection chamber 661 to the upper housing 64 along the inclined housing 63 and discharges them, and the coolant flows into the coolant collection chamber 662 through the collection port 663 and is pumped out by the three-phase electric pump 67 for recycling.

Besides, the lathe bed 1 is provided with a plurality of chip discharge ports 69, a chip guide port 691 with the width gradually reduced from top to bottom is arranged below the chip discharge port 69, an opening above a chip collection cavity 661 of the lower shell 62 is opposite to the lower end of the chip guide port 691, a chip guide plate 621 which is obliquely arranged is circumferentially distributed on the opening above the chip collection cavity 661 of the lower shell 62, a distance is reserved between the lower end of the chip guide plate 621 and the inner wall of the chip collection cavity 661, a separation frame 622 is arranged in the lower shell 62, a socket 623 arranged at one side of the upper end of the separation frame 622 is arranged on the lower shell 62, a filter plate 624 which covers the frame port of the separation frame 622 is inserted in the socket 623, an electric pump 667 is covered at the collection port 663, two sides of one end of the lower shell 62 close to the oblique shell 63 are respectively provided with an auxiliary shell 666 which extends outwards, the three-phase 67 and the liquid level meter 68 are respectively arranged on the auxiliary shell 666, a plurality of universal wheels and supporting feet are fixed below the lower shell 62, the support bar 664 of L shape is provided with in piece collection chamber 661 top both sides, the support bar 664 extends along piece collection chamber 661 axial, the laminating of piece collection chamber 661 below sets up the strengthening rib 665 of C shape, strengthening rib 665 both ends are fixed with coolant liquid collection chamber 662 inboard, level gauge 68 includes the liquid level frame 681 of vertical setting, be provided with the liquid level pole 682 that can its oscilaltion relatively in the liquid level frame 681, liquid level pole 682 middle part is fixed with liquid level piece 663 and the lower extreme is fixed with liquid level floater 684, liquid level floater 684 sets up in coolant liquid collection chamber 662, belt transmission mechanism 65 is including fixing the driving motor 651 in upper housing 64 top, driving motor 651 passes through pulley drive mechanism 652 and rotates the transmission band pulley 653 who is connected in upper housing 64, the cover has transmission band 654 and transmission band 654 to extend to down in the casing 62 through oblique casing 63 on the transmission band pulley 653. The chip guide 691 has tapered surfaces on both sides thereof for guiding chips and coolant into the open port of the lower housing 62. The chip guide plate 621 guides the cooling liquid and the chips to enter the chip collecting cavity 661, the collecting port 663 is hidden by the space at the lower end of the chip guide plate 621, and the chips are prevented from directly falling into the collecting port 663 to cause blockage. The filter plates 624 in the sockets 623 may be replaced as desired, with the coolant collection chamber 662 separated by the filter plates 624. The support bar 664 has an L-shaped cross-section and is symmetrical with respect to the debris collecting chamber 661, wherein the dust guide plate 621 is fixed to the support bar 664, wherein the reinforcing rib 665 supports the debris collecting chamber 661, and both ends are welded to the lower housing 62. The sub-housing 666 is symmetrically arranged with respect to the lower housing 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 ascends and descends under the buoyancy action of the liquid level floating ball 684, wherein the liquid level block 663 indicates the liquid level height. After the lower shell 62 is moved to the lower part of the bed 1 through the universal wheels, the supporting feet are adjusted to be fixed with the ground. The transmission belt wheel 653 rotates to drive the transmission belt 654 to lift up the chips, and the two sides of the transmission belt 654 are attached to the inner wall of the shell, so that the coolant does not leak into the coolant collection cavity 662 from the two sides. The filter screen 667 seals the collection port 663, and performs preliminary filtration on the cooling liquid to prevent the debris from falling onto the belt transmission mechanism 65 and then bouncing into the collection port 663.

Meanwhile, the cooling liquid filtering and recycling mechanism 7 comprises a cooling oil tank 71, and a main cavity 711 and an auxiliary cavity 712 which are communicated with each other are arranged in the cooling oil tank 71, and the cooling liquid filtering and recycling mechanism is characterized in that a liquid pump assembly 72 and an air-cooled oil cooler 73 connected with the liquid pump assembly 72 are arranged 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 with the bag filter 75 are arranged above the auxiliary cavity 712, and a cavity liquid level meter 77 is arranged in the auxiliary cavity 712. The liquid pump assembly 72 drives the air-cooled oil cooler 73 to cool the cooling liquid and input the cooling liquid into the main cavity 711, the bag filter 75 and the magnetic rod 74 filter the cooling liquid in the main cavity 711, and the cooling liquid is introduced into the auxiliary cavity 712 after internal impurities are removed, so that the cooling liquid is recycled.

Visibly, the upper opening of the main cavity 711 is sealed by an oil absorption cover plate 713 and a cooling motor mounting plate 714, a liquid pump assembly 72 is fixed on the cooling motor mounting plate 714, a magnetic rod 74 is inserted and fixed on the oil absorption cover plate 713, a convex plate 715 which is fixedly attached to the liquid pump assembly 72 is arranged in the middle of the cooling motor mounting plate 714, oil absorption holes 716 are symmetrically arranged between the oil absorption cover plate 713 and the oil absorption motor mounting plate 714, heat dissipation holes 717 which are arranged in a matrix form are formed in the oil absorption cover plate 713 and the cooling motor mounting plate 714, the liquid pump assembly 72 comprises an asynchronous motor 721 which is arranged on the cooling motor mounting plate 714, the output end of the asynchronous motor 721 is connected with a gear pump 722, the gear pump 722 is provided with an oil distribution block 723, the upper opening of the auxiliary cavity 712 is sealed by the oil tank cover plate 719, a bag filter 75, an electric pump 76 and a cavity liquid level meter 77 are arranged on the oil tank cover plate 719, a bell sleeve 724 is sleeved outside between the asynchronous motor 721 and the gear pump 722, the side surface of the bell-shaped sleeve 724 is provided with an opening opposite to the output end of the asynchronous motor 721, a cooling frame body 78 is arranged above a 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 body 78, the air-cooled oil cooler 73 is arranged above the cooling frame body 78, a fan of the air-cooled oil cooler 73 is arranged above and below an air outlet opposite to the liquid pump assembly 72, threaded short joints 731 are respectively fixed at an inlet and an outlet of the air-cooled oil cooler 73, and an oil outlet 718 communicated with the main cavity 711 and the auxiliary cavity 712 inside is arranged below the cooling oil tank 71. The magnetic rods 74 extend into the main chamber 711 and attract the ferrous debris free from the oil. An oil suction hole 716 on the oil suction cover plate 713 is used for inserting a pipeline to be communicated with the main cavity 711, and the cooling oil tank 71 is of a semi-open structure due to the oil suction cover plate 713 and the heat dissipation holes 717 on the cooling motor mounting plate 714. The asynchronous motor 721 provides torque to the gear pump 722, thereby directing oil into the oil distribution block 723 for distribution. The bell housing 724 is fixedly connected to the asynchronous motor 721 and the gear pump 722, and the rotating shaft is disposed inside the bell housing 724. The cooling frame body 78 lifts the air-cooled oil cooler 73 upward to leave an installation space for the liquid pump assembly 72, thereby utilizing the flowing air blown from 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 is accelerated by the heat dissipation holes 717 on the oil absorption cover plate 713 and the cooling motor mounting plate 714 below. The short threaded joint 731 is used for screwing and fixing pipeline threads, and a sealing structure can be added between the short threaded joint 731 and the pipeline threads to improve connection sealing performance. An oil outlet 718 is provided at the bottom side of the main chamber 711 and the sub-chamber 712 for draining the cooling liquid inside the cooling oil tank 71. The oil tank cover 719 seals the upper part of the sub-cavity 712, wherein the sub-cavity 712 communicates with the main cavity 711, and the coolant can be exchanged normally.

Obviously, the feeding mechanism 3 includes a feeding frame body 31, a workpiece conveying belt 32 and a receiving frame 321 disposed at one end of the workpiece conveying belt 32 are installed above the feeding frame body 31, a transmission motor 33 is installed on the feeding frame body 31, the transmission motor 33 is connected with the workpiece conveying belt 32 through a belt wheel transmission 331, a guard rail 322 is disposed around the upper side of the workpiece conveying belt 32, a pushing plate 341 and a top block 342 which are opposite to each other are installed on the feeding frame body 31 through a vertical lifting mechanism 34, feeding lifting limiting posts 343 and feeding lifting limiting seats 344 which are mutually inserted are disposed between the pushing plate 341 and the top block 342 and the feeding frame body 31, a horizontal moving mechanism 35 is disposed between the pushing plate 341 and the vertical lifting mechanism 34, limiting side plates 361 disposed at two sides of the pushing plate 341 and the top block 342 are installed above the feeding frame body 31 through a slider assembly 36, a plurality of limiting notches 362 which are opposite to the workpiece are opened on the pushing plate 341, the top block 342 is provided with a material receiving notch 364 opposite to the material receiving plate 363 obliquely arranged on the inner side of the limit side plate 361, and the inner side of the limit side plate 361 is provided with an adjusting plate 365 which is provided with a limit notch 362 at the upper part and is arranged on one side of the pushing plate 341. The vertical lifting mechanism 34 in the feeding mechanism 3 drives the ejector block 342 to transfer the workpiece to the upper part of the adjusting plate 365, and the pushing plate 341 lifts the workpiece, so that the workpiece is conveniently clamped by the material changing mechanism 4.

Preferably, the material changing mechanism 4 comprises support columns 41 fixed on two sides above the machine bed 1, a support column plate 42 is fixed between the tops of the support columns 41, a material changing frame 44 is connected below the support column plate 42 through a base plate 43, a material changing base 46 is connected below and on the side surface of the material changing frame 44 through a slider guide rail 45, a gear and rack driving mechanism 47 is arranged between the material changing base 46 and the material changing frame 44, the material changing base 46 is connected with a lifting plate 461 through a vertically arranged material changing cylinder 48, a material changing lifting limiting column 462 and a material changing lifting limiting base 463 which are mutually inserted are arranged between the lifting plate 461 and the material changing base 46, a plurality of pneumatic clamping jaws 49 are fixed below the lifting plate 461, and one side of the material changing base 46 is connected with an outer cavity carriage through an outer cavity drag chain. The slider guide rail 45 in the material changing mechanism 4 drives the material changing seat 46 to axially slide under the action of the gear rack driving mechanism 47, the material changing cylinder 48 drives the lifting plate 461 to lift up and down, and the pneumatic clamping jaw 49 clamps and fixes the workpiece after being in place, so that the workpiece is transferred between the drilling machine and the feeding mechanism 3.

In summary, the principle of the present embodiment is: the drilling machine body 1 is of a horizontal structure, a plurality of groups of workpiece clamping driving mechanisms 2 are arranged above the drilling machine body 1, each group of workpiece clamping driving mechanisms 2 is provided with a plurality of rotary jacket assemblies 22 and workpiece clamping assemblies 23, the workpiece clamping height is between the rotary jacket assemblies 22 and the workpiece clamping assemblies 23, a gun drill is inserted into the rotary jacket assemblies 22 and is opposite to the workpiece machining surface, under the action of the rotary driving assemblies 25, the workpieces rotate circumferentially, and the drill bit feeds axially, so that synchronous drilling of a plurality of workpieces can be realized.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although the lathe bed 1, the workpiece clamping driving mechanism 2, the rotary collet assembly 22, the movable top block 221, the main drill bushing seat 222, the sub-drill bushing seat 223, the collet 224, the clamping piece 225, the gland 226, the tail pressure 227, the drill bushing core 228, the workpiece clamping assembly 23, the power shaft seat 231, the driving main shaft shell 232, the inner bearing spacer 233, the driving main shaft core 234, the tightening cone sleeve 235, the front gland 236, the middle spacer 237, the lock nut 238, the tail stopper 239, the slide rail assembly 24, the wire rail 241, the slider 242, the wire rail pressing block 243, the rotary driving assembly 25, the main synchronizing wheel 251, the motor support plate 252, the belt cover plate 253, the driving motor 254, the sub-synchronizing wheel 255, the driving belt 256, the lead screw driving mechanism 26, the driving cushion block 261, the speed reducer mounting plate, the lead screw motor 263, the speed reducer 264, the coupling 265, the driving lead screw 266, the bearing seat 267, the bearing support 268, the lead screw nut 269, and 269, A screw nut seat body 2691, an air cylinder driving mechanism 27, a thin air cylinder 271, a pull rod 272, an air cylinder pull block 273, a scrap discharging guide sleeve 28, a card 281, a scrap guide plate 282, a rubber sleeve 283, a drag chain support 29, a drag chain 291, a support plate 292, a feeding mechanism 3, a feeding frame body 31, a workpiece conveying belt 32, a material receiving frame 321, a protective guard 322, a conveying motor 33, a belt wheel transmission 331, a vertical lifting mechanism 34, a push plate 341, a top block 342, a feeding lifting limit column 343, a feeding lifting limit seat 344, a horizontal moving mechanism 35, a slider assembly 36, a limit side plate 361, a limit notch 362, a material bearing plate 363, a material bearing notch 364, an adjusting plate 365, a material changing mechanism 4, a support column 41, a support column plate 42, a bottom cushion plate 43, a material changing frame 44, a slider guide rail 45, a material changing seat 46, a lifting plate 461, a material changing lifting limit column 462, a material lifting limit column 463, a material changing lifting limit seat 463, a gear rack driving mechanism 47, a material changing air cylinder 48, The device comprises a pneumatic clamping jaw 49, a protective shell 5, a chip discharging device 6, a lower shell 62, a chip guide plate 621, a separation frame 622, a socket 623, a filter plate 624, an inclined shell 63, an upper shell 64, a belt transmission mechanism 65, a driving motor 651, a belt wheel transmission mechanism 652, a transmission belt 653, a transmission belt 654, a separation plate 66, a chip collecting cavity 661, a cooling liquid collecting cavity 662, a collecting port 663, a supporting bar 664, a reinforcing rib 665, a sub-shell 666, a chip filtering net 667, a three-phase electric pump 67, a liquid level meter 68, a liquid level frame 681, a liquid level rod 682, a liquid level block 663, a liquid level floating ball 684, a chip discharging port 69, a chip guide port 691, a cooling liquid filtering and recycling mechanism 7, a cooling oil tank 71, a heat radiating hole 711, a sub-cavity 712, an oil sucking cover plate 713, a cooling motor mounting plate 714, a convex plate 715, an oil sucking hole 716, a 717, an oil outlet 718, an oil tank cover plate 719, a liquid pump assembly 72, an asynchronous motor 721, a gear pump 722, a filter plate 624, a filter, The terms oil distributor 723, bell housing 724, air-cooled oil cooler 73, threaded nipple 731, magnetic bar 74, bag filter 75, electric pump 76, chamber level gauge 77, cooling frame 78, etc., but do not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. A horizontal multi-shaft deep hole drilling machine comprises a machine body (1), wherein a plurality of groups of workpiece clamping driving mechanisms (2) are arranged above the machine body (1), each workpiece clamping driving mechanism (2) is provided with a rotary jacket component (22) and a workpiece clamping component (23) which are arranged oppositely, and is characterized in that the rotary jacket components (22) are in sliding connection with the machine body (1) through slide rail components (24), each workpiece clamping mechanism (23) is provided with a rotary driving component (25), each slide rail component (24) is in sliding connection with a feeding component (25) which is opposite to the rotary jacket component (22) and is used for fixing a gun drill, a lead screw driving mechanism (26) is arranged between the feeding component (25) and the machine body (1), and a cylinder driving mechanism (27) is arranged between the rotary jacket component (22) and the workpiece clamping components (23), lathe bed top install feed mechanism (3) and reloading mechanism (4), lathe bed (1) below be provided with chip removal device (6) and filter recovery mechanism (7) with the coolant liquid that chip removal device (6) are connected.

2. The horizontal multi-shaft deep hole drilling machine as claimed in claim 1, wherein the slide rail assembly (24) comprises a wire rail (241) extending transversely along the machine body (1), a slide block (242) is connected onto the wire rail (241), a wire rail press block (243) is arranged between the slide block (242) and the rotary jacket assembly (22) as well as between the slide block (242) and the feeding assembly (25), a drag chain bracket (29) is mounted on the side portion of the machine body (1), a drag chain (291) fixed on the drag chain bracket (29) is connected with a bracket plate (292) mounted on one side of the rotary jacket assembly (22) and one side of the feeding assembly (25), and the machine body (1) is integrally arranged in the protective shell (5).

3. The horizontal multi-spindle deep hole drilling machine as claimed in claim 2, wherein the rotary jacket assembly (22) comprises a movable top block (221) mounted on a sliding block (242), a main drill sleeve seat (222) is mounted in the movable top block (221), an auxiliary drill sleeve seat (223) is rotatably mounted on the inner side of the main drill sleeve seat (222), a bearing is arranged between the main drill sleeve seat and the auxiliary drill sleeve seat (223), a clamping piece (225) is fixed on the inner side of the auxiliary drill sleeve seat (223) and is mounted on the elastic chuck (224), a pressing cover (226) is mounted between one ends of the main drill sleeve seat (222) and the auxiliary drill sleeve seat (223) close to the workpiece clamping assembly (23), a tail pressure (227) is mounted on the other end of the elastic chuck (224), and a drill sleeve core (228) is mounted on the inner side of the elastic chuck (224), the chip removing device is characterized in that one end, far away from a workpiece clamping component (23), of the movable ejector block (221) is provided with a chip discharging guide sleeve (28), an observation port is formed above the chip discharging guide sleeve (28) and is sealed by a clamping sheet (281), a chip removing port is formed below the chip discharging guide sleeve (28), chip guide plates (282) are mounted on two sides of the chip removing port, a through hole for a gun drill to penetrate is formed in the center of the end of the chip discharging guide sleeve (28), a rubber sleeve (283) is arranged between the through hole and the gun drill, the workpiece clamping component (23) comprises a power shaft seat (231) mounted on the machine body (1), a driving main shaft shell (232) is mounted in the power shaft seat (231), an inner bearing spacer ring (233) is rotatably mounted in the driving main shaft shell (232), a bearing is arranged between the driving main shaft shell (232) and the inner bearing spacer ring (233), and a driving main shaft core (234) is mounted in the inner bearing spacer ring (233), the driving mechanism is characterized in that a jacking taper sleeve (235) is installed at one end, opposite to the rotating jacket assembly (22), of the driving main shaft core (234), a front gland (236) opposite to the jacking taper sleeve (235) is installed between the driving main shaft core (234) and the power shaft seat (231), a middle spacer ring (237) and a locking nut (238) are sleeved outside the driving main shaft core (234), a tail baffle (239) is arranged between one end, far away from the rotating jacket assembly (22), of the power shaft seat (231) and the driving main shaft shell (232), the rotating driving assembly (25) comprises a main synchronizing wheel (251) fixed at the end of the driving main shaft core (234), a motor plate support (252) and a belt cover plate (253) for sealing the main synchronizing wheel (251) are installed on the outer side of the power shaft seat (231), a driving motor (254) is fixed on the outer side of the motor support plate (252), and an output end of the driving motor (254) extends into the motor support plate (252) and is fixed with an auxiliary synchronizing wheel (255) The driving mechanism comprises a main synchronizing wheel (251) and an auxiliary synchronizing wheel (255), a driving belt (256) is sleeved between the main synchronizing wheel (251) and the auxiliary synchronizing wheel (255), the air cylinder driving mechanism (27) comprises a thin air cylinder (271) fixed on a power shaft seat (231), the output end of the thin air cylinder (271) faces to the rotating jacket assembly (22) and is fixedly provided with a pull rod (272), an air cylinder pull block (273) is fixed on the pull rod (272), and the air cylinder pull block (273) is fixedly connected with the movable ejector block (221) through a bolt.

4. The horizontal multi-shaft deep hole drilling machine as claimed in claim 2, wherein the feeding assembly (25) comprises a feeding plate (251) arranged on a sliding block (242), a tool holder (252) is fixed above the feeding plate (251), a fixing hole for fixing a gun drill is formed in the tool holder (252), an adjusting handle (253) opposite to the gun drill in the fixing hole is rotatably connected above the tool holder (252), the lead screw driving mechanism (26) comprises a transmission cushion block (261) arranged above the machine body (1), a vertically arranged speed reducer mounting plate (262) is arranged on the transmission cushion block (261), a lead screw motor (263) and a speed reducer (264) are arranged on the speed reducer mounting plate (262), the output end of the speed reducer (264) is connected with the transmission lead screw (266) through a coupler (265), the novel feeding device is characterized in that a bearing seat (267) for a transmission lead screw (266) to penetrate is mounted on the transmission cushion block (261), the other end of the transmission lead screw (266) is connected with a bearing support (268) fixed on the lathe bed (1), a lead screw nut (269) is connected to the transmission lead screw (266) in a threaded mode, and the lead screw nut (269) is fixedly connected with the feeding plate (251) through a lead screw nut base body (2691).

5. The horizontal multi-shaft deep hole drilling machine as claimed in claim 1, wherein the chip removal device (6) comprises a lower shell (62) arranged below the machine body (1), one end of the lower shell (62) is connected with an upper shell (64) into a whole 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 separated into a chip collection cavity (661) and a cooling liquid collection cavity (662) through a partition plate (66), a plurality of collection ports (663) communicated with the cooling liquid collection cavity (662) are formed in two sides of the partition plate (66), and a three-phase electric pump (67) and a liquid level meter (68) symmetrically arranged relative to the cooling liquid collection cavity (662) are installed on the lower shell (62).

6. The horizontal multi-shaft deep hole drilling machine as claimed in claim 5, wherein the machine body (1) is provided with a plurality of chip removal ports (69), a chip guide port (691) with the width gradually reduced from top to bottom is arranged below the chip removal port (69), an opening above the chip collecting cavity (661) of the lower shell (62) is opposite to the lower end of the chip guide port (691), chip guide plates (621) obliquely arranged are circumferentially distributed on the opening above the chip collecting cavity (661) of the lower shell (62), a distance is reserved between the lower end of the chip guide plates (621) and the inner wall of the chip collecting cavity (661), the lower shell (62) is provided with a separation frame (622), a socket (623) arranged on one side of the upper end of the separation frame (622) is arranged on the lower shell (62), a filter plate (624) covering the frame port of the separation frame (622) is inserted into the socket (623), collect mouth (663) department cover have filter screen (667), lower casing (62) be close to the one end both sides of oblique casing (63) and be provided with subshell (666) that extend outwards respectively, three-phase charge pump (67) and level gauge (68) install respectively on subshell (666), lower casing (62) below be fixed with a plurality of universal wheels and support foot, piece collect chamber (661) top both sides be provided with support bar (664) of L shape, support bar (664) collect chamber (661) axial extension along the piece, piece collect chamber (661) below laminating set up strengthening rib (665) of C shape, strengthening rib (665) both ends collect chamber (662) inboard fixed with the cooling liquid, level gauge (68) including the liquid level frame (681) of vertical setting, liquid level frame (681) in be provided with liquid level pole (682) that can go up and down relative to it, liquid level pole (682) middle part be fixed with liquid level piece (663) and the lower extreme is fixed with liquid level floater (684), liquid level floater (684) set up in coolant liquid collection chamber (662), belt transmission mechanism (65) including fixing in driving motor (651) of last casing (64) top, driving motor (651) pass through band pulley drive mechanism (652) and be connected with transmission band pulley (653) of rotating being connected in last casing (64), transmission band pulley (653) go up the cover have transmission band (654) just transmission band (654) extend to down in casing (62) through oblique casing (63).

7. The horizontal multi-shaft deep hole drilling machine according to claim 1, wherein the cooling liquid filtering and recycling mechanism (7) comprises a cooling oil tank (71), a main cavity (711) and an auxiliary cavity (712) which are communicated with each other are arranged in the cooling oil tank (71), a liquid pump assembly (72) and an air-cooled oil cooler (73) connected with the liquid pump assembly (72) are arranged 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 with the bag filter (75) are arranged above the auxiliary cavity (712), and a cavity liquid level meter (77) is arranged in the auxiliary cavity (712).

8. The horizontal multi-shaft deep hole drilling machine as claimed in claim 7, wherein an opening above the main cavity (711) is sealed 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 rods (74) are inserted and fixed on the oil suction cover plate (713), a protruding plate (715) which is fixedly attached to the liquid pump assembly (72) is arranged in the middle of the cooling motor mounting plate (714), the oil suction cover plate (713) is symmetrically arranged and oil suction holes (716) are formed between the oil suction cover plate (713) and the cooling motor mounting plate (714), heat dissipation holes (717) arranged in a matrix form are formed in the oil suction cover plate (713) and the cooling motor mounting plate (714), the liquid pump assembly (72) comprises asynchronous motors (721) installed on the cooling motor mounting plate (714), and output ends of the asynchronous motors (721) are connected with a gear pump (722), the gear pump (722) is equipped with and divides oil block (723), vice cavity (712) top opening closed by fuel tank apron (719), pocket filter (75), charge pump (76) and cavity level gauge (77) install on fuel tank apron (719), outside cover have bell-shaped cover (724) between asynchronous motor (721) and gear pump (722), bell-shaped cover (724) side open and have the opening relative with asynchronous motor (721) output, main cavity (711) top of cooling oil tank (71) install cooling support body (78), liquid pump module (72) set up between cooling oil tank (71) and cooling support body (78), air-cooled oil cooler (73) install above cooling support body (78), air-cooled oil cooler (73) fan set up above and the air outlet below is relative with liquid pump module (72), the inlet and outlet of the air-cooled oil cooler (73) are respectively fixed with a threaded short joint (731), and an oil outlet (718) communicated with the inner main cavity (711) and the auxiliary cavity (712) is arranged below the cooling oil tank (71).

9. The horizontal multi-shaft deep hole drilling machine as claimed in claim 1, wherein the feeding mechanism (3) comprises a feeding frame body (31), a workpiece conveying belt (32) and a material receiving frame (321) arranged at one end of the workpiece conveying belt (32) are arranged above the feeding frame body (31), a transmission motor (33) is arranged on the feeding frame body (31), the transmission motor (33) is connected with the workpiece conveying belt (32) through a belt wheel transmission (331), guard rails (322) are arranged around the upper portion of the workpiece conveying belt (32), a pushing plate (341) and a top block (342) which are opposite to each other are arranged on the feeding frame body (31) through a vertical lifting mechanism (34), feeding lifting limit columns (343) and feeding lifting limit seats (344) which are mutually inserted are arranged between the pushing plate (341) and the top block (342) and the feeding frame body (31), the feeding device is characterized in that a horizontal moving mechanism (35) is arranged between the pushing plate (341) and the vertical lifting mechanism (34), a limiting side plate (361) arranged on two sides of the pushing plate (341) and the ejector block (342) is installed above the feeding frame body (31) through a sliding block assembly (36), a plurality of limiting notches (362) opposite to a workpiece are formed in the pushing plate (341), a material bearing notch (364) opposite to a material bearing plate (363) obliquely arranged on the inner side of the limiting side plate (361) is formed in the ejector block (342), and an adjusting plate (365) which is provided with the limiting notch (362) above and is arranged on one side of the pushing plate (341) is arranged on the inner side of the limiting side plate (361).

10. The horizontal multi-shaft deep hole drilling machine as claimed in claim 1, wherein the material changing mechanism (4) comprises support columns (41) fixed on two sides above the machine bed (1), a support column plate (42) is fixed between the tops of the support columns (41), a material changing frame (44) is connected below the support column plate (42) through a base plate (43), a material changing base (46) is connected below and on the side surface of the material changing frame (44) through a slider guide rail (45), a gear and rack driving mechanism (47) is arranged between the material changing base (46) and the material changing frame (44), the material changing base (46) is connected with a lifting plate (461) through a vertically arranged material changing cylinder (48), and a material changing lifting limiting column (462) and a material changing lifting limiting seat (463) which are mutually inserted are arranged between the lifting plate (461) and the material changing base (46), a plurality of pneumatic clamping jaws (49) are fixed below the lifting plate (461), and one side of the material changing seat (46) is connected with the outer cavity drag harrow through the outer cavity drag chain.