Drilling and tapping integrated die for valve cover and valve body machining

Abstract

The utility model discloses a drilling and tapping integrated mould for processing a valve cover and a valve body, which comprises an operating platform, supporting legs are arranged at four corners of the bottom of the operating platform, supporting columns are fixedly connected to four corners of the top of the operating platform, and a protective cover is fixedly connected to the tops of the supporting columns. The utility model relates to the technical field of valve cover and valve body machining, through the cooperation of a first hydraulic cylinder, a connecting plate, a third gear, a fourth gear, a connecting block and an electric telescopic rod, the position of a drill bit and a screw tap can be changed according to actual needs, and the problem that the drill bit and the screw tap are damaged during actual use is solved. The distance between drill bits on the drilling and tapping integrated die for valve cover and valve body machining almost cannot be adjusted, when valve covers and valve bodies of other models need to be machined, most of the distances between the drill bits can only be adjusted by replacing tool aprons, shutdown operation is needed in the process, time is wasted, and machining efficiency is high. And therefore, the machining efficiency of the drilling and tapping integrated mold for machining the valve cover and the valve body is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve cover valve body processing technical field, concretely is a kind of drilling and tapping integrated mould for valve cover valve body processing. BACKGROUND

[0002] Valve is the device for regulating fluid flow, pressure and flow direction in machine, in the manufacture of valve, valve cover valve body needs to be drilled and tapped, drilling and tapping integrated mould is needed in this operation process.

[0003] The conventional drilling and tapping integrated mould for valve cover valve body processing is used, the staff places the valve cover valve body needing processing on the workbench of drilling and tapping integrated mould, and drills and taps its surface.

[0004] However, the distance between drill bits on the drilling and tapping integrated mould for valve cover valve body processing cannot be adjusted in actual use, when other models of valve cover valve body need to be processed, most of them can only adjust the distance between drill bits by replacing tool holder, which needs to be stopped for operation, wastes time, and thus reduces the processing efficiency of the drilling and tapping integrated mould for valve cover valve body processing. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a drilling and tapping integrated mould for valve cover valve body processing, which solves the problem that the distance between drill bits on the drilling and tapping integrated mould for valve cover valve body processing cannot be adjusted in actual use, when other models of valve cover valve body need to be processed, most of them can only adjust the distance between drill bits by replacing tool holder, which needs to be stopped for operation, wastes time, and thus reduces the processing efficiency of the drilling and tapping integrated mould for valve cover valve body processing.

[0006] To achieve the above object, the utility model is realized by the following technical scheme: a drilling and tapping integrated mould for valve cover valve body processing, including operation platform, the bottom four corners of operation platform are all installed with support leg, the top four corners of operation platform are fixedly connected with support column, the top of support column is fixedly connected with protective cover, the upper of operation platform is provided with drill bit, the side of operation platform far from drill bit is provided with tap, the drilling and tapping integrated mould for valve cover valve body processing further includes driving device, driving device is set in the inside of protective cover;Buffer device is sleeved on the outer wall of drill bit;Fixing device is set between operation platform and drill bit;Wherein, the distance between drill bits is changed by a group of driving devices, the distance between taps is changed by another group of driving devices, buffer device buffers and protects between drill bit and workpiece, and fixing device fixes workpiece.

[0007] Preferably, the inner wall of the protective cover is fixedly connected with a baffle, the inner wall of the baffle is provided with openings movably connected with the outer wall of the drill bit and the tap, the top of the baffle is fixedly connected with a partition plate, the inside of the protective cover is provided with two servo motors, the output ends of the two servo motors are fixedly connected with transmission shafts, the outer walls of the two transmission shafts are fixedly connected with first gears, the outer walls of the two first gears are meshedly connected with second gears, the second gears are provided with eight, the inner walls of the eight second gears are fixedly connected with tool holders, the bottoms of the four tool holders on one side are mounted on the top of the four drill bits, and the bottoms of the four tool holders on the other side are mounted on the top of the four taps.

[0008] Preferably, the driving device comprises a first hydraulic cylinder fixedly connected to the top of the inner wall of the protective cover; the connecting plate is fixedly connected to the output end of the first hydraulic cylinder, and the bottoms of the two sides are fixedly connected to the top of the two servo motors; the third gear is fixedly connected to the outer wall of the transmission shaft, and is located above the first gear; the fourth gear is fixedly connected to the outer wall of the transmission shaft, and is located between the first gear and the third gear; the connecting block is provided with eight, and is rotatably connected to the outer wall of the eight tool holders above; the electric telescopic rods are provided on both sides of the partition plate, four are provided on one side, are fixedly connected to the outer wall of the four connecting blocks away from the transmission shaft, and the ends of the two electric telescopic rods are fixedly connected to the inner wall of the protective cover, and the ends of the other two electric telescopic rods are fixedly connected to the side wall of the partition plate; wherein the first hydraulic cylinder is matched with the electric telescopic rod through the connecting plate, the servo motor, the transmission shaft, the third gear and the fourth gear, so that the drill bit changes position.

[0009] Preferably, the buffer device comprises a limiting plate rotatably connected to the outer wall of the tool holder below; the limiting rods are provided with two, and are respectively inserted into the inner wall of the limiting plate on both sides; the limiting ring is fixedly connected to the bottoms of the two limiting rods; the spring is arranged between the limiting plate and the limiting ring, and is sleeved on the outer wall of the limiting rod; wherein the drill bit and the workpiece are protected by the cooperation of the limiting rod, the spring and the limiting ring.

[0010] Preferably, the surface of the operation table is provided with a through groove, the inside of the through groove is provided with a second hydraulic cylinder, the outer wall of the second hydraulic cylinder is provided with a mounting seat, the front and rear sides of the mounting seat are fixedly connected with electric sliding blocks, the inner walls of the two electric sliding blocks are slidingly connected with electric sliding rails, and the outer walls of the two electric sliding rails are fixedly connected to the front and rear sides of the inner wall of the through groove.

[0011] Preferably, the output end of the second hydraulic cylinder is fixedly connected with a loading table, the surface of the loading table is provided with a loading groove, the fixing device comprises a threaded rod, the threaded rod is arranged in the loading groove, both ends of the threaded rod are rotatably connected to the inner wall of the loading table through sealing bearings, and one end of the threaded rod extends to the outside of the loading table; the handrail is fixedly connected to the end of the threaded rod extending to the outside of the loading table; two threaded blocks are arranged and are attached to the inner wall of the loading groove on both sides respectively, and are threadedly connected to the outer wall of the threaded rod on both sides respectively; two fixing plates are arranged and are fixedly connected to the top of the two threaded blocks respectively; wherein, the handrail is rotated, the two fixing plates are made close to or away from each other through the cooperation of the threaded rod and the threaded block.

[0012] Preferably, the outer wall of the motor base of the two servo motors is fixedly connected with a limiting track, the outer wall of the two limiting tracks is slidably connected with a connecting rod, and the distal ends of the two connecting rods are fixedly connected to the inner wall of the protective cover and the side wall of the spacing plate respectively and are located above the electric telescopic rod.

[0013] Beneficial effects

[0014] The utility model provides a kind of drilling and tapping integrated mould for valve cover valve body processing.It has the following beneficial effects: the drilling and tapping integrated mould for valve cover valve body processing, by the cooperation of first hydraulic cylinder, connecting plate, third gear, fourth gear, connecting block and electric telescopic rod, the position of drill bit and tap is changed according to actual needs, solve the distance between drill bit on the drilling and tapping integrated mould for valve cover valve body processing in actual use, when needing to process other models of valve cover valve body, most can only be replaced by tool holder to adjust the distance between drill bit, this process needs to stop operation, waste time, so as to cause the problem of the machining efficiency of the drilling and tapping integrated mould for valve cover valve body processing to decline.

[0015] By the cooperation of limiting plate, limiting rod, spring and limiting ring, the contact pressure between drill bit and workpiece is controlled, solve the problem that the contact pressure between drill bit and workpiece is too large when traditional drilling and tapping integrated mould for valve cover valve body processing is used, excessive wear of drill bit, workpiece deformation or damage can be caused by too large contact pressure, and efficient drilling work under appropriate pressure cannot be guaranteed. ACCURACY OF DRAWINGS

[0016] Figure 1 It is the structure schematic view of the utility model;

[0017] Figure 2 It is the appearance schematic view of the utility model;

[0018] Figure 3 It is Figure 1 It is the structure schematic view of middle transmission shaft, first gear and second gear;

[0019] Figure 4 For Figure 1 The structure diagram of the limiting plate, the limiting rod and the spring in the middle;

[0020] Figure 5 For Figure 1 The structure diagram of the threaded rod, the handrail and the threaded block in the middle;

[0021] Figure 6 For Figure 1 The display diagram of the third gear and the fourth gear in the middle.

[0022] In the figure: 1, operation table; 11, support foot; 12, support column; 13, through slot; 2, protective cover; 21, baffle; 211, spacing plate; 22, servo motor; 221, limiting track; 222, connecting rod; 23, transmission shaft; 24, first gear; 25, second gear; 26, tool holder; 27, drill bit; 28, tap; 3, driving device; 31, first hydraulic cylinder; 32, connecting plate; 33, third gear; 34, fourth gear; 35, connecting block; 36, electric telescopic rod; 4, buffer device; 41, limiting plate; 42, limiting rod; 43, spring; 44, limiting ring; 5, second hydraulic cylinder; 51, mounting seat; 52, electric sliding block; 53, electric sliding rail; 6, object table; 61, object slot; 7, fixing device; 71, threaded rod; 72, handrail; 73, threaded block; 74, fixed plate. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] In actual use, the distance between the drill bits on the drilling and tapping integrated die for valve cover and valve body machining is almost impossible to adjust. When other models of valve cover and valve body need to be machined, most of them can only adjust the distance between the drill bits by replacing the tool holder. This process needs to be operated with the machine stopped, which wastes time and leads to the decline of the machining efficiency of the drilling and tapping integrated die for valve cover and valve body machining.

[0025] Therefore, the valve cover and valve body machining drilling and tapping integrated die provided by the utility model solves the problem that the distance between the drills on the valve cover and valve body machining drilling and tapping integrated die cannot be adjusted in actual use, and most of the time, the distance between the drills can only be adjusted by replacing the tool holder when other models of valve covers and valve bodies need to be machined, which requires shutdown operation and wastes time, thereby causing the problem of low machining efficiency of the valve cover and valve body machining drilling and tapping integrated die.

[0026] By the personnel in the art, the parts in the case are sequentially connected, and the specific connection and operation sequence should be referred to the working principle below, and the detailed connection means is the known technology in the art, and the working principle and process are mainly introduced below.

[0027] Embodiment one: by Figures 1-6 It can be known that the valve cover and valve body machining drilling and tapping integrated die comprises an operation table 1, support feet 11 are installed at the bottom of the operation table 1, support columns 12 are fixedly connected to the top of the operation table 1, a protective cover 2 is fixedly connected to the top of the support columns 12, drills 27 are arranged above the operation table 1, taps 28 are arranged on the side of the operation table 1 away from the drills 27, the valve cover and valve body machining drilling and tapping integrated die further comprises driving devices 3, a buffer device 4 and a fixing device 7, the driving devices 3 are arranged in the protective cover 2, the buffer device 4 is sleeved on the outer wall of the drill 27, and the fixing device 7 is arranged between the operation table 1 and the drill 27; wherein the distance between the drills 27 is changed by a group of driving devices 3, the distance between the taps 28 is changed by another group of driving devices 3, the buffer device 4 buffers and protects between the drill 27 and the workpiece, and the fixing device 7 fixes the workpiece.

[0028] In the implementation process, it is worth pointing out that the support foot 11 at the bottom of the operation table 1 supports the parts above it, the support column 12 supports the top cover 2, the cross section of the cover 2 is trapezoidal, and the top two sides are provided with ventilation openings, and the ventilation openings are provided with dustproof nets. The ventilation openings can cool the servo motor 22 inside the cover 2, and the dustproof nets can prevent foreign matter from entering the inside of the cover 2 to protect the parts inside the cover 2. The models of the drill bit 27 and the tap 28 can be selected according to actual needs. The driving device 3 is provided with two groups, one group controls the drill bit 27, and the other group controls the tap 28. One group of driving devices 3 changes the distance between the drill bits 27, and the other group of driving devices 3 changes the distance between the taps 28. The buffer device 4 is provided with four groups, and each drill bit 27 is provided with a buffer device 4 outside. The buffer device 4 buffers and protects between the drill bit 27 and the workpiece. The fixing device 7 fixes the workpiece. It can be understood that the drill bit 27 and the tap 28 can be installed with a deviation correction mechanism, which can be used with an external controller to prevent deviation and damage.

[0029] Further, the inner wall of the cover 2 is fixedly connected with a baffle 21 below the inner wall, the inner wall of the baffle 21 is provided with openings on both sides, which are movably connected with the outer walls of the drill bit 27 and the tap 28, the top of the baffle 21 is fixedly connected with a partition plate 211, the cover 2 is provided with a servo motor 22, the servo motor 22 is provided with two, the output ends of the two servo motors 22 are fixedly connected with a transmission shaft 23, the outer walls of the two transmission shafts 23 are fixedly connected with a first gear 24, the outer walls of the two first gears 24 are movably connected with a second gear 25, the second gear 25 is provided with eight, the inner walls of the eight second gears 25 are fixedly connected with a tool holder 26, the bottoms of the four tool holders 26 on one side are installed on the tops of the four drill bits 27, and the bottoms of the four tool holders 26 on the other side are installed on the tops of the four taps 28.

[0030] In the implementation process, it is worth pointing out that the surface of the baffle 21 is provided with two through holes, the drill bit 27 and the tap 28 can move inside, the partition plate 211 separates the two groups of driving devices 3, the servo motor 22 is provided with two, the motor seat is installed on the outer wall, the model of the servo motor 22 is selected according to the actual needs, and the work is met, for example, the 1FK7080 servo motor in the SINAMICS-S120 series of Siemens can be selected, and the external controller matched with the servo motor can select the CU320-2DP controller in the SINAMICS-S120 series. The connection process is as follows: the power connection terminal X124 of the CU320-2DP controller is connected to the appropriate power supply, the power voltage is ensured to meet the requirements of the controller, generally DC 24V, the DRIVE-CLiQ interface of the 1FK7080 servo motor is connected with the DRIVE-CLiQ interface of the CU320-2DP controller by using the DRIVE-CLiQ cable, if the encoder of the 1FK7080 servo motor adopts the DRIVE-CLiQ interface, generally the connection between the encoder and the controller can be completed through the DRIVE-CLiQ cable, if the encoder adopts other interfaces, such as TTL / HTL, the encoder cable should be used according to the specific interface type of the motor and the controller to connect the encoder with the encoder interface of the CU320-2DP controller, the PROFIBUS-DP interface of the CU320-2DP controller is connected to the PROFIBUS-DP network, and a special DP bus cable is usually used, one end of which is connected to the DP interface of the CU320-2DP, and the other end is connected to other devices in the network, such as PLC or other DP slaves. When connecting, pay attention to the setting of DP address, which can be realized by the code switch on the CU320-2DP control unit, and the effective address value is 1…126. It can be understood that according to the actual needs, the digital quantity input and output connection terminals X122 and X132 of the CU320-2DP controller can be connected with external control signals or sensors and other devices to realize additional control or monitoring function of the motor. Before using the drilling and tapping integrated mold for valve cover and valve body, the programs of the two servo motors 22 can be edited respectively, the transmission shaft 23 is provided with two, the first gear 24 is located at the lowermost part of the outer wall of the transmission shaft 23, the second gear 25 is provided with eight, four second gears 25 are engaged and connected on the outer wall of one first gear 24, the tool holder 26 is in the shape of a cylinder, the tool holder 26 is selected to facilitate the replacement of the drill bit 27 and the tap 28, which is convenient for the replacement of the drill bit 27 and the tap 28 by the staff in the later period;

[0031] Further, the driving device 3 comprises a first hydraulic cylinder 31, a connecting plate 32, a third gear 33, a fourth gear 34, a connecting block 35 and an electric telescopic rod 36, the first hydraulic cylinder 31 is fixedly connected to the inner wall top of the protective cover 2; the connecting plate 32 is fixedly connected to the output end of the first hydraulic cylinder 31, and the bottom two sides are fixedly connected to the top of the two servo motors 22 respectively; the third gear 33 is fixedly connected to the outer wall of the transmission shaft 23 and is located above the first gear 24; the fourth gear 34 is fixedly connected to the outer wall of the transmission shaft 23 and is located between the first gear 24 and the third gear 33; the connecting block 35 is provided with eight, which are all rotationally connected to the outer wall above the eight tool holders 26 through sealed bearings; the electric telescopic rod 36 is arranged on both sides of the partition plate 211, four are arranged on one side, which are fixedly connected to the outer wall of the four connecting blocks 35 away from the transmission shaft 23, and the ends of the two electric telescopic rods 36 are fixedly connected to the inner wall of the protective cover 2, and the ends of the other two electric telescopic rods 36 are fixedly connected to the side wall of the partition plate 211; wherein the first hydraulic cylinder 31 cooperates with the electric telescopic rod 36 through the connecting plate 32, the servo motor 22, the transmission shaft 23, the third gear 33 and the fourth gear 34, so that the drill bit 27 changes position;

[0032] In the specific implementation process, it is particularly worth pointing out that the model of the first hydraulic cylinder 31 is selected according to actual needs, which meets the work, for example, a piston type hydraulic cylinder Φ140 / 100-800 can be selected, and the working program of the first hydraulic cylinder 31 can be set in advance to ensure that the distance of its downward movement matches the position of the second gear 25, the connecting plate 32 is rectangular, the bottom two sides are fixedly connected to the top of the motor seat outside the servo motor 22, so that the two sides of the servo motor 22 move synchronously, the diameter of the third gear 33 is the largest, the diameter of the fourth gear 34 is the second, and the diameter of the first gear 24 is the smallest. It can be understood that although the diameters of the three are different, the tooth shape and tooth distance are completely the same, only the number of teeth is different, the shape of the connecting block 35 is annular, the inner wall is provided with a bearing, the model of the electric telescopic rod 36 is selected according to actual needs, for example, a high-precision version in the CLCEY electric push rod telescopic rod series can be selected, which is equipped with a high-precision position feedback system such as an encoder, which can realize accurate position control, a limiting mechanism can also be added beside the electric telescopic rod 36 to protect the work of the second gear 25, the drill bit 27 changes position through the cooperation of the first hydraulic cylinder 31, the connecting plate 32, the servo motor 22, the transmission shaft 23, the third gear 33 and the fourth gear 34, and the electric telescopic rod 36. Similarly, the position of the tap 28 can also be changed by the external controller, so as to realize the use range of the valve cover and valve body machining drilling and tapping integrated mold is expanded;

[0033] Specifically, when the worker needs to drill and tap the valve cover, first, place the workpiece to be processed on the top of the worktable 6, select the handrail 72 on one side of the worktable 6, the handrail 72 drives the threaded rod 71 to rotate, the threaded rod 71 drives the threaded blocks 73 on both sides to approach, the threaded blocks 73 on both sides drive the two fixed plates 74 on the top to approach until the fixed plates 74 clamp the workpiece, then the worker starts the second hydraulic cylinder 5 through the external controller, the second hydraulic cylinder 5 drives the workpiece on the top of the worktable 6 to move upwards, at the same time, the external power supply of the servo motor 22 responsible for the work of the drill bit 27 is connected through the external controller, the servo motor 22 is started, the servo motor 22 drives the transmission shaft 23 to rotate, the transmission shaft 23 drives the first gear 24, the third gear 33 and the fourth gear 34 to rotate, the third gear 33 and the fourth gear 34 are idle at this time, the first gear 24 drives the four second gears 25 to rotate, the second gears 25 drive the respective tool holders 26 to rotate, the four tool holders 26 drive the four drill bits 27 to rotate, the workpiece on the worktable 6 gradually approaches the drill bit 27, before contacting the drill bit 27, the surface of the workpiece first contacts the limiting ring 44, the limiting ring 44 is driven by the upward force of the second hydraulic cylinder 5 to move upwards, the spring 43 on the outer wall of the limiting rod 42 is gradually compressed until the surface of the workpiece contacts the drill bit 27, the drill bit 27 starts to work and drills the workpiece, after reaching the working time set by the drill bit 27, the drilling is completed, the servo motor 22 is reversed through the external controller, and the second hydraulic cylinder 5 is controlled to move downwards, so that the drill bit 27 moves away from the inside of the workpiece, and in the process of the drill bit 27 moving away from the inside of the workpiece, the upward force on the limiting ring 44 gradually decreases due to the downward movement of the second hydraulic cylinder 5, the spring 43 rebounds, and the limiting ring 44 is returned to the original position through the limiting rod 42, after the second hydraulic cylinder 5 returns to the original position, the servo motor 22 responsible for the work of the drill bit 27 is stopped, after that, the external power supply of the electric sliding block 52 and the electric sliding rail 53 is connected through the external controller, so that the electric sliding block 52 drives the workpiece on the top of the worktable 6 to move to the position directly below the tap 28, the second hydraulic cylinder 5 is started again, and the external power supply of the servo motor 22 responsible for the work of the tap 28 is connected and started, so that the tap 28 rotates, the second hydraulic cylinder 5 drives the workpiece on the worktable 6 to move upwards until it contacts the tap 28, the tap 28 starts to work, after reaching the working time set by the tap 28, the tapping is completed, wherein the servo motor 22 responsible for the tap 28 and the above-mentioned servo motor 22 responsible for the drill bit 27 operate in the same way, so that the tap 28 moves away from the inside of the workpiece, the second hydraulic cylinder 5 also returns to the original position in the same way, and the workpiece processing is completed, when different workpieces need to be drilled and tapped, the external power supply of the electric telescopic rod 36 is connected through the external controller, the electric telescopic rod 36 drives the second gear 25 to move away from the first gear 24, and stops working after reaching the specified position, at the same time, the first hydraulic cylinder 31 is started through the external controller,The first hydraulic cylinder 31 drives the connecting plate 32 to move, the connecting plate 32 drives the servo motor 22 to move through the external motor base of the servo motor 22, the servo motor 22 drives the transmission shaft 23 to move, when the fourth gear 34 and the second gear 25 are in the same horizontal line, the first hydraulic cylinder 31 stops working, after that, the electric telescopic rod 36 starts working again, the second gear 25 is close to the fourth gear 34, the second gear 25 and the fourth gear 34 are re-engaged, at this time, the position of the drill bit 27 changes, the position of the drilling hole changes, it can be understood that the speed of the servo motor 22 needs to be reset after the change, it can be set in advance before use, if it is still necessary to continue to change the position of the drill bit 27, the above process can be repeated, the third gear 33 and the second gear 25 are in the same horizontal line, wherein the adjustment of the tap 28 and the drill bit 27 is the same.

[0034] Embodiment two: by Figures 1-6 It can be known that the buffer device 4 comprises a limiting plate 41, limiting rods 42, springs 43 and a limiting ring 44, the limiting plate 41 is rotatably connected to the lower outer wall of the tool holder 26 through a sealing bearing; the limiting rods 42 are provided with two and are respectively inserted into the inner walls of the limiting plate 41 on both sides; the limiting ring 44 is fixedly connected to the bottoms of the two limiting rods 42; the springs 43 are arranged between the limiting plate 41 and the limiting ring 44 and are sleeved on the outer walls of the limiting rods 42; wherein the limiting rods 42, the springs 43 and the limiting ring 44 are matched to protect between the drill bit 27 and the workpiece.

[0035] In the specific implementation process, it is worth pointing out that the limiting plate 41 is in the form of a whole ring, is installed on the lower outer wall of the tool holder 26 through a sealing bearing, the surface is provided with two through holes, the through holes are movably connected with the limiting rods 42, the limiting rods 42 are arranged on the left and right sides of the drill bit 27 and are arranged in parallel, the top of the limiting rod 42 is provided with a circular plate to limit the limiting rod 42, the material of the spring 43 is carbon spring steel, the elastic coefficient of the spring 43 is selected according to actual needs, and the spring 43 meets the work, the limiting ring 44 is in the form of a whole ring, the drill bit 27 can be movably connected inside the ring, it can be understood that the bottom of the limiting ring 44 can be provided with an anti-skid pad, when contacting the workpiece, the friction force between the limiting ring 44 and the surface of the workpiece is increased, so that the buffer device 4 can better act on the drill bit 27 and the workpiece, the limiting rods 42, the springs 43 and the limiting ring 44 are matched to protect between the drill bit 27 and the workpiece, so that the valve cover and valve body drilling and tapping integrated mold can be efficiently drilled under appropriate pressure, and the service life of the valve cover and valve body drilling and tapping integrated mold is improved.

[0036] Further, the surface of the operating platform 1 is provided with a through groove 13, the inside of the through groove 13 is provided with a second hydraulic cylinder 5, the outer wall of the second hydraulic cylinder 5 is installed with a mounting seat 51, the front and rear sides of the mounting seat 51 are both fixedly connected with electric sliding blocks 52, the inner walls of the two electric sliding blocks 52 are both slidably connected with electric sliding rails 53, and the outer walls of the two electric sliding rails 53 are respectively fixedly connected to the front and rear sides of the inner wall of the through groove 13.

[0037] In the specific implementation process, it is particularly worth pointing out that the through groove 13 is rectangular, the second hydraulic cylinder 5 can move inside the through groove 13, the model of the second hydraulic cylinder 5 is selected according to actual needs, and work is met. Similarly, the above-mentioned piston hydraulic cylinder Φ140 / 100-800 can also be selected. The mounting seat 51 plays a fixing role for the hydraulic cylinder, and the electric sliding block 52 and the electric sliding rail 53 are used in cooperation. When the specific model is selected, it can be selected in cooperation. Through the cooperation of the electric sliding block 52 and the electric sliding rail 53, the second hydraulic cylinder 5 moves inside the through groove 13, and the use convenience of the drilling and tapping integrated mold for valve cover and valve body machining is realized.

[0038] Further, the output end of the second hydraulic cylinder 5 is fixedly connected with a loading table 6, the surface of the loading table 6 is provided with a loading groove 61, the fixing device 7 comprises a threaded rod 71, a handrail 72, a threaded block 73 and a fixed plate 74, the threaded rod 71 is arranged inside the loading groove 61, both ends are rotatably connected to the inner wall of the loading table 6 through sealing bearings, and one end extends to the outside of the loading table 6; the handrail 72 is fixedly connected to the end of the threaded rod 71 extending to the outside of the loading table 6; the threaded block 73 is provided with two, and is respectively attached to the inner wall of the loading groove 61 on both sides, and is respectively threadedly connected to the outer wall of the threaded rod 71 on both sides; the fixed plate 74 is provided with two, and is respectively fixedly connected to the top of the two threaded blocks 73; wherein, rotating the handrail 72, through the cooperation of the threaded rod 71 and the threaded block 73, the two fixed plates 74 are close to or away from each other;

[0039] In the specific implementation process, it is particularly worth pointing out that the loading table 6 is overall rectangular, and the loading groove 61 is provided in the middle. The threaded rod 71 is a double-headed screw rod. It can be understood that the style of the fixed plate 74 can be selected according to actual needs, which can achieve the purpose of clamping workpieces. The staff rotates the handrail 72, and through the cooperation of the threaded rod 71 and the threaded block 73, the fixed plates 74 on both sides of the top of the loading table 6 are close to or away from each other, so as to achieve the purpose of clamping or loosening the workpiece on the top of the loading table 6, and the working stability of the drilling and tapping integrated mold for valve cover and valve body machining is realized.

[0040] Further, the outer wall of the motor base of the two servo motors 22 is fixedly connected with a limiting rail 221 on both sides, the outer wall of the two limiting rails 221 is slidably connected with a connecting rod 222, the ends of the two connecting rods 222 are fixedly connected to the inner wall of the protective cover 2 and the side wall of the spacing plate 211 respectively and are located above the electric telescopic rod 36;

[0041] In the specific implementation process, it is worth pointing out that the limiting rail 221 is provided with four, two limiting rails 221 are provided on both sides of the servo motor 22, the top and bottom of the limiting rail 221 are provided with square plates, which are matched with the connecting rod 222 to limit the movement of the servo motor 22, thereby realizing the structural stability of the drilling and tapping integrated mold for valve cover and valve body machining.

[0042] Specifically, first, the limiting rod 42, the spring 43 and the limiting ring 44 are matched to protect the drill bit 27 and the workpiece, ensure that the drilling and tapping integrated mold for valve cover and valve body machining is efficiently drilled under appropriate pressure, thereby improving the service life of the drilling and tapping integrated mold for valve cover and valve body machining, second, the electric sliding block 52 and the electric sliding rail 53 are matched to move the second hydraulic cylinder 5 in the through groove 13, thereby improving the use convenience of the drilling and tapping integrated mold for valve cover and valve body machining, then, the threaded rod 71 and the threaded block 73 are matched to make the fixed plates 74 on both sides of the top of the object table 6 close or away, so as to clamp or loosen the workpiece on the top of the object table 6, thereby improving the working stability of the drilling and tapping integrated mold for valve cover and valve body machining, finally, the limiting rail 221 and the connecting rod 222 are matched to limit the movement of the servo motor 22, thereby realizing the structural stability of the drilling and tapping integrated mold for valve cover and valve body machining.

[0043] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A drilling and tapping integrated die for valve cover and valve body machining, comprising an operation table (1), characterized in that: The bottom four corners of the operation platform (1) are provided with supporting legs (11), the top four corners of the operation platform (1) are fixedly connected with supporting columns (12), the top of the supporting column (12) is fixedly connected with a protective cover (2), the top of the operation platform (1) is provided with drill bits (27), and the side, away from the drill bits (27), of the top of the operation platform (1) is provided with taps (28); the drilling and tapping integrated mold for valve cover and valve body machining further comprises: A driving device (3) is arranged in the protective cover (2); A buffering device (4) is sleeved on the outer wall of the drill bit (27); A fixing device (7) is arranged between the operation platform (1) and the drill bit (27); Wherein, a group of the driving devices (3) change the distance between the drill bits (27), another group of the driving devices (3) change the distance between the taps (28), the buffering device (4) buffers and protects between the drill bits (27) and the workpiece, and the fixing device (7) fixes the workpiece.

2. The drilling and tapping integrated die for machining a valve cover and a valve body according to claim 1, characterized in that: The inner wall of the protective cover (2) is fixedly connected with a baffle (21), the inner wall of the baffle (21) is provided with openings which are movably connected with the outer walls of the drill bits (27) and the taps (28), the top of the baffle (21) is fixedly connected with a partition plate (211), the protective cover (2) is provided with servo motors (22), the servo motors (22) are provided with two, the output ends of the two servo motors (22) are fixedly connected with transmission shafts (23), the outer walls of the transmission shafts (23) are fixedly connected with first gears (24), the outer walls of the first gears (24) are movably connected with second gears (25), the second gears (25) are provided with eight, the inner walls of the second gears (25) are fixedly connected with tool holders (26), the bottoms of the four tool holders (26) on one side are fixedly connected with the tops of the four drill bits (27), and the bottoms of the four tool holders (26) on the other side are fixedly connected with the tops of the four taps (28).

3. The drilling and tapping integrated die for machining a valve cover and a valve body according to claim 2, characterized in that: The driving device (3) comprises: A first hydraulic cylinder (31) is fixedly connected to the top of the inner wall of the protective cover (2); A connecting plate (32) is fixedly connected to the output end of the first hydraulic cylinder (31) and the tops of the two servo motors (22) on the two sides of the bottom; A third gear (33) is fixedly connected to the outer wall of the transmission shaft (23) and located above the first gear (24); A fourth gear (34) is fixedly connected to the outer wall of the transmission shaft (23) and located between the first gear (24) and the third gear (33); Eight connecting blocks (35) are rotatably connected to the outer walls of the eight tool holders (26) above. Electric telescopic rods (36) are arranged on both sides of the partition plate (211), four are arranged on one side, are fixedly connected to the outer walls of the four connecting blocks (35) away from the transmission shaft (23), and the ends of two electric telescopic rods (36) are fixedly connected to the inner wall of the protective cover (2), and the ends of the other two electric telescopic rods (36) are fixedly connected to the side wall of the partition plate (211). The first hydraulic cylinder (31) is connected to the electric telescopic rod (36) through the connecting plate (32), the servo motor (22), the transmission shaft (23), the third gear (33) and the fourth gear (34), so that the drill bit (27) changes position.

4. The drilling and tapping integrated die for machining a valve cover and a valve body according to claim 1, characterized in that: The buffer device (4) comprises: A limiting plate (41) is rotatably connected to the lower outer wall of the tool holder (26) through a sealing bearing; Two limiting rods (42) are arranged and are inserted into the inner walls of the limiting plate (41) on both sides; A limiting ring (44) is fixedly connected to the bottoms of the two limiting rods (42); A spring (43) is arranged between the limiting plate (41) and the limiting ring (44) and is sleeved on the outer wall of the limiting rod (42); The limiting rod (42), the spring (43) and the limiting ring (44) cooperate to protect the drill bit (27) and the workpiece.

5. The drilling and tapping integrated die for machining a valve cover and a valve body according to claim 1, characterized in that: The surface of the operation table (1) is provided with a through groove (13), the inside of the through groove (13) is provided with a second hydraulic cylinder (5), the outer wall of the second hydraulic cylinder (5) is provided with a mounting seat (51), the front and rear sides of the mounting seat (51) are fixedly connected with electric sliding blocks (52), the inner walls of the two electric sliding blocks (52) are slidably connected with electric sliding rails (53), and the outer walls of the two electric sliding rails (53) are fixedly connected to the inner walls of the through groove (13) on the front and rear sides.

6. The drilling and tapping integrated die for processing the valve cover and valve body according to claim 5, characterized in that: The output end of the second hydraulic cylinder (5) is fixedly connected with a loading table (6), the surface of the loading table (6) is provided with a loading groove (61), and the fixing device (7) comprises: A threaded rod (71) is arranged in the inside of the loading groove (61) and rotatably connected to the inner wall of the loading table (6) through a sealing bearing at both ends, and one end extends to the outside of the loading table (6); An armrest (72) is fixedly connected to one end of the threaded rod (71) extending to the outside of the loading table (6); Two threaded blocks (73) are arranged and abutted on the inner walls of the loading groove (61) on both sides and are threadedly connected to the outer walls of the threaded rod (71) on both sides; Two fixing plates (74) are fixedly connected to the tops of the two threaded blocks (73); Wherein, the armrest (72) is rotated, and the threaded rod (71) and the threaded block (73) cooperate to make the two fixing plates (74) approach or move away from each other.

7. The drilling and tapping integrated die for machining a valve cover and a valve body according to claim 2, characterized in that: The outer wall of the motor base of two servo motors (22) is fixedly connected with a limiting track (221) on both sides, the outer wall of two limiting tracks (221) is slidably connected with a connecting rod (222), the end of two connecting rods (222) is fixedly connected to the inner wall of the protective cover (2) and the side wall of the spacing plate (211) respectively, and is located above the electric telescopic rod (36).

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