Numerical control multi-axis drilling and tapping machine

Abstract

The application belongs to the technical field of tapping machine, and discloses a numerical control multi-shaft tapping machine, which comprises a mounting box, a plurality of second motors are fixedly connected to the inner wall of the mounting box, two supporting plates are fixedly connected to the inner wall of the mounting box, a plurality of connecting shafts are rotatably connected between the two supporting plates, shaft sleeves are rotatably connected to the circumferential outer walls of the connecting shafts, the connecting shafts are fixedly connected with the second motors respectively, a plurality of second bevel gears are fixedly connected to the circumferential outer walls of the connecting shafts, a plurality of output shafts are rotatably connected to the top of the mounting box, the output shafts penetrate through the mounting box and extend above the mounting box, first bevel gears are fixedly connected to the end portions of the output shafts, the first bevel gears are engaged with the corresponding second bevel gears respectively, and clamps are fixedly connected to the bottom portions of the output shafts. The numerical control multi-shaft tapping machine can process workpieces in multiple procedures at one time, reduces the processing time and cost, and improves the production efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of drilling and tapping machines, more particularly to a numerical control multi-axis drilling and tapping machine. BACKGROUND

[0002] The numerical control tapping machine is a kind of efficient machining equipment, which can process internal threads on the inner side of the holes of various parts with different specifications of through holes or blind holes such as machine housings, equipment end faces, nuts, flanges, etc. According to the different types of driving power, it can be divided into various types such as manual tapping machine, pneumatic tapping machine, electric tapping machine, etc. The numerical control tapping machine has the characteristics of novel design, reasonable structure, simple and easy to use, high automation degree, etc., and the processed nut thread has high smoothness and high qualified product rate. In addition, the numerical control tapping machine also adopts a micro-lubrication system, which can automatically and intelligently spray oil or gas to the tap and processing position as needed, greatly improving the processing efficiency and product quality.

[0003] The existing numerical control tapping machine has certain limitations in processing efficiency, mainly manifested in that the number of pieces processed at one time is not enough, which is difficult to meet the demand of large-scale production. In addition, the device cannot currently complete multiple processes at one time, and users usually need to complete drilling, tapping and chamfering processes separately, which not only increases the processing time and cost, but also reduces the production efficiency. SUMMARY

[0004] The present application aims to at least solve one of the technical problems existing in the prior art. To this end, the present application provides a numerical control multi-axis drilling and tapping machine, which can process multiple processes on a workpiece at one time, reducing the processing time and cost and improving the production efficiency.

[0005] In order to solve the above technical problems, the present application provides a numerical control multi-axis drilling and tapping machine, which comprises a mounting box, a plurality of second motors are fixedly connected to the inner wall of the mounting box, two support plates are fixedly connected to the inner wall of the mounting box, a plurality of connecting shafts are rotatably connected between the two support plates, shaft sleeves are rotatably connected to the circumferential outer wall of the connecting shafts, the connecting shafts are fixedly connected to the second motors respectively, a plurality of second bevel gears are fixedly connected to the circumferential outer wall of the connecting shafts, a plurality of output shafts are rotatably connected to the top of the mounting box, the output shafts extend above the mounting box through the mounting box, first bevel gears are fixedly connected to the end portions of the output shafts, the first bevel gears are meshed with the corresponding second bevel gears respectively, clamps are fixedly connected to the bottom portions of the output shafts, the clamps are used for clamping tools, and the end portions of the output shafts are rotatably connected to the shaft sleeves.

[0006] Preferably, the support table top fixedly connected with the installation frame, the support table top fixedly connected with the support frame, the support frame outer wall fixedly connected with the hydraulic cylinder, the hydraulic cylinder output end and the installation box fixedly connected, the installation frame inner wall fixedly connected with two baffle plates, two baffle plates outer wall respectively with support frame fixedly connected.

[0007] Preferably, the installation frame inner wall fixedly connected with X-axis adjusting device, the X-axis adjusting device movable part fixedly connected with Y-axis adjusting device, the Y-axis adjusting device movable part fixedly connected with workpiece table.

[0008] Preferably, the installation frame outer wall fixedly connected with a plurality of backwater pipes, the support table outer wall fixedly connected with a water tank, the backwater pipe end extending to the water tank inside, the support table outer wall fixedly connected with a water pump, the water pump inlet end fixedly connected with a water inlet pipe, the water pump drainage end fixedly connected with a drain pipe, the water tank outer wall is provided with a connecting hole, the water inlet pipe end and the connecting hole inner wall fixedly connected.

[0009] Preferably, the water tank inner wall is slidably connected with a plurality of first filter screen, the water tank inner wall is slidably connected with a plurality of second filter screen, the first filter screen and the second filter screen above are equipped with two limit plates, the limit plate is respectively connected with the water tank inner wall fixedly connected, the workpiece table outer wall fixedly connected with a plurality of nozzle, a plurality of nozzle is respectively connected with the drain pipe fixedly connected.

[0010] Preferably, the water tank inner wall is provided with a limiting groove, the limiting groove inner wall is slidably connected with a sliding plate, the sliding plate outer wall is respectively connected with the first filter screen and the second filter screen fixedly connected, the sliding plate top fixedly connected with a connecting rod, the connecting rod end through the water tank and with its sliding connection, the connecting rod outer end fixedly connected with a connecting block.

[0011] Preferably, the water tank outer wall fixedly connected with a first motor, the first motor output end fixedly connected with a first connecting plate, the first connecting plate end rotatably connected with a first rotating shaft, the first rotating shaft end fixedly connected with a second connecting plate, the second connecting plate end rotatably connected with a second rotating shaft, the second rotating shaft end and the connecting block fixedly connected.

[0012] Preferably, the installation frame both sides are fixedly connected with two fixed blocks, the two fixed blocks between the same side fixedly connected with a first sliding rod, two first sliding rod circular outer wall is slidably connected with a sliding arm, two sliding arms between fixedly connected with a water baffle.

[0013] Preferably, the outer wall of the mounting frame is fixedly connected with a toothed plate, the outer wall of the water baffle is fixedly connected with a connecting plate, the inner wall of the connecting plate is slidably connected with a resisting plate, the end of the resisting plate is fixedly connected with a clamping tooth, the end of the resisting plate is fixedly connected with a pull ring, the outer wall of the connecting plate is fixedly connected with two second sliding rods, the outer wall of the two second sliding rods is sleeved with a spring, the two second sliding rods are respectively penetrated through the resisting plate and slidably connected with the resisting plate, and the outer wall of the two second sliding rods is fixedly connected with a limiting sleeve.

[0014] Preferably, one end of the spring is fixedly connected with the resisting plate, and the other end of the spring is fixedly connected with the connecting plate.

[0015] Compared with the prior art, the application has the following beneficial effects:

[0016] 1. The drill tool, tapping tool and chamfering tool are respectively installed on the corresponding clamps, the workpiece is installed on the workpiece table, the mounting box is pushed downward by the hydraulic cylinder, the corresponding connecting shafts are driven to rotate by the plurality of second motors respectively, the plurality of second bevel gears are driven to rotate by the connecting shafts, the first bevel gears are driven to rotate by the second bevel gears respectively, the output shaft is driven to rotate by the first bevel gears, the clamps are driven to rotate by the output shaft, the corresponding tools are driven to rotate by the clamps, and the tools are lowered by the hydraulic cylinder, so that the workpiece can be processed. This design can process the workpiece in multiple processes at one time, reduces the processing time and cost, and improves the production efficiency.

[0017] 2. The cutting fluid accumulated in the mounting frame is flowed to the water tank through the backwater pipe, and the impurities in the cutting fluid can be filtered by the plurality of first filter screens and second filter screens in the water tank. This design can facilitate the filtration of the used cutting fluid, so as to facilitate the recycling of the cutting fluid.

[0018] 3. The first connecting plate is driven to rotate by the first motor, the first connecting plate drives the second connecting plate to rotate through the first rotating shaft, the second connecting plate drives the connecting block to reciprocate up and down through the second rotating shaft, the connecting block drives the sliding plate to reciprocate along the inner wall of the limiting groove through the connecting rod, and the plurality of first filter screens and second filter screens are driven to reciprocate up and down through the sliding plate, so that the first filter screens and second filter screens are respectively impacted with the upper limiting plates, so that the first filter screens and second filter screens are vibrated, and the impurities on the first filter screens and second filter screens are facilitated to fall off. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0020] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0021] Figure 2 It is a schematic diagram of the local structure of the present application;

[0022] Figure 3 It is a schematic diagram of the internal structure of the water tank of the present application;

[0023] Figure 4 It is a schematic diagram of the mounting structure of the second connecting plate of the present application;

[0024] Figure 5 It is a schematic diagram of the mounting structure of the connecting plate of the present application;

[0025] Figure 6 It is a schematic diagram of the mounting structure of the clamping tooth of the present application;

[0026] Figure 7 It is a schematic diagram of the internal structure of the mounting box of the present application.

[0027] Explanation of reference numerals in the drawings: 1, support table; 2, mounting frame; 3, support frame; 4, hydraulic cylinder; 5, baffle; 6, return water pipe; 7, tooth plate; 8, X-axis adjusting device; 9, Y-axis adjusting device; 10, nozzle; 11, workpiece table; 12, mounting box; 13, water tank; 14, first filter screen; 15, second filter screen; 16, limiting plate; 17, connecting hole; 18, limiting groove; 19, sliding plate; 20, connecting rod; 21, connecting block; 22, first motor; 23, first connecting plate; 24, first rotating shaft; 25, second connecting plate; 26, second rotating shaft; 27, water pump; 28, drain pipe; 29, water inlet pipe; 30, water baffle; 31, first sliding rod; 32, fixed block; 33, sliding arm; 34, connecting plate; 35, abutting plate; 36, clamping tooth; 37, second sliding rod; 38, limiting sleeve; 39, spring; 40, pull ring; 41, second motor; 42, connecting shaft; 43, shaft sleeve; 44, first bevel gear; 45, second bevel gear; 46, output shaft; 47, clamp; 48, support plate. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. The specific embodiments of the present application will be described in detail below in combination with the drawings in the specification.

[0029] AsFigure 1 and Figure 7 As shown, a CNC multi-axis drilling and tapping machine includes an installation box 12, a plurality of second motors 41 are fixedly connected to the inner wall of the installation box 12, two support plates 48 are fixedly connected to the inner wall of the installation box 12, a plurality of connecting shafts 42 are rotatably connected between the two support plates 48, the outer walls of the connecting shafts 42 are rotatably connected to the shaft sleeves 43, the ends of the connecting shafts 42 are respectively fixedly connected to the second motors 41, the outer walls of the connecting shafts 42 are fixedly connected to the plurality of second bevel gears 45, the top of the installation box 12 is rotatably connected to the plurality of output shafts 46, the top of the output shaft 46 passes through the installation box 12 and extends above it, and the ends of the output shafts 46 are rotatably connected to the second motors 41. The bottom of each output shaft 46 is fixedly connected to a first bevel gear 44, which meshes with the corresponding second bevel gear 45. The bottom of each output shaft 46 is fixedly connected to a clamp 47, which is used to clamp the tool. The end of the output shaft 46 is rotatably connected to the sleeve 43. The use of multiple second motors 41 provides a stronger power system for the device, and drives different drill bits to work at the same time, greatly improving production efficiency. The drilling tool, tapping tool and chamfering tool are installed on the clamp 47, and the three processes are completed at one time, saving the cost of manual conversion process, greatly improving production efficiency and reducing production costs.

[0030] like Figure 1 and Figure 2 As shown, it also includes a support platform 1, the top of the support platform 1 is fixedly connected to a mounting frame 2, a workpiece table 11 is provided in the mounting frame 2, the top of the support platform 1 is fixedly connected to a support frame 3, the outer wall of the support frame 3 is fixedly connected to a hydraulic cylinder 4, through the cooperation of the hydraulic cylinder 4 and the motor, the automatic rotation and lowering of the tool is realized, so that the workpiece is accurately processed, the output end of the hydraulic cylinder 4 is fixedly connected to the mounting box 12, and the inner wall of the mounting frame 2 is fixedly connected to two baffles 5, and the outer walls of the two baffles 5 are respectively fixedly connected to the support frame 3.

[0031] like Figure 2 As shown, an X-axis adjustment device 8 is fixedly installed on the inner wall of the mounting frame 2, and a Y-axis adjustment device 9 is fixedly installed on the movable part of the X-axis adjustment device 8. The X-axis adjustment device 8 and the Y-axis adjustment device 9 are electric slide rails, and a workpiece table 11 is fixedly installed on the movable part of the Y-axis adjustment device 9. The X-axis adjustment device 8 and the Y-axis adjustment device 9 enable the workpiece table 11 to move flexibly, and the workpiece can be accurately moved to the bottom of the required tool for processing. This flexibility improves the accuracy and flexibility of processing.

[0032] like Figure 1 、 Figure 2 and Figure 3As shown, the outer wall of the mounting frame 2 is fixedly connected with a plurality of backwater pipes 6, the outer wall of the support table 1 is fixedly connected with a water tank 13, the end of the backwater pipe 6 extends to the inside of the water tank 13, the outer wall of the support table 1 is fixedly connected with a water pump 27, the water inlet end of the water pump 27 is fixedly connected with a water inlet pipe 29, the water outlet end of the water pump 27 is fixedly connected with a water outlet pipe 28, the outer wall of the water tank 13 is provided with a connecting hole 17, the end of the water inlet pipe 29 is fixedly connected with the inner wall of the connecting hole 17, the water pump 27 sprays the cutting fluid to the surface of the workpiece through the nozzle 10, lubricates and cools the machining workpiece and the tool, effectively prolongs the service life of the tool, and improves the machining quality and efficiency.

[0033] As shown in Figure 3 , the inner wall of the water tank 13 is slidably connected with a plurality of first filter screens 14, the inner wall of the water tank 13 is slidably connected with a plurality of second filter screens 15, two limiting plates 16 are arranged above the first filter screen 14 and the second filter screen 15, and the limiting plates 16 are fixedly connected with the inner wall of the water tank 13, respectively. The outer wall of the workpiece table 11 is fixedly connected with a plurality of nozzles 10, and the plurality of nozzles 10 are fixedly connected with the water outlet pipe 28, respectively. The cutting fluid flows back to the water tank 13 through the backwater pipe 6, is filtered through the first filter screen 14 and the second filter screen 15, and the impurities in the cutting fluid are removed, realizing the recycling of the cutting fluid.

[0034] As shown in Figure 3 , the inner wall of the water tank 13 is provided with a limiting groove 18, the inner wall of the limiting groove 18 is slidably connected with a sliding plate 19, the outer wall of the sliding plate 19 is fixedly connected with the first filter screen 14 and the second filter screen 15, respectively, the top of the sliding plate 19 is fixedly connected with a connecting rod 20, the end of the connecting rod 20 penetrates through the water tank 13 and is slidably connected therewith, and the outer end of the connecting rod 20 is fixedly connected with a connecting block 21.

[0035] As shown in Figure 4 , the outer wall of the water tank 13 is fixedly connected with a first motor 22, the output end of the first motor 22 is fixedly connected with a first connecting plate 23, the end of the first connecting plate 23 is rotatably connected with a first rotating shaft 24, the end of the first rotating shaft 24 is fixedly connected with a second connecting plate 25, the end of the second connecting plate 25 is rotatably connected with a second rotating shaft 26, and the end of the second rotating shaft 26 is fixedly connected with the connecting block 21. Through the cooperation of the first motor 22, the connecting plate, the rotating shaft and the connecting block 21, the up-and-down reciprocating movement and vibration of the first filter screen 14 and the second filter screen 15 are realized, the impurities on the filter screen are effectively removed, the filtering effect is guaranteed, and the maintenance cost is reduced.

[0036] As shown in Figure 5 , the two sides of the mounting frame 2 are fixedly connected with two fixed blocks 32, a first sliding rod 31 is fixedly connected between the two fixed blocks 32 located on the same side, the circumferential outer wall of the two first sliding rods 31 is slidably connected with a sliding arm 33, and the two sliding arms 33 are fixedly connected with a water baffle 30.

[0037] As shown in Figure 5 andFigure 6 As shown, the outer wall of the mounting frame 2 is fixedly connected with a toothed plate 7, the outer wall of the water baffle 30 is fixedly connected with a connecting plate 34, the inner wall of the connecting plate 34 is slidably connected with an abutting plate 35, the end of the abutting plate 35 is fixedly connected with a clamping tooth 36, the end of the abutting plate 35 is fixedly connected with a pull ring 40, the outer wall of the connecting plate 34 is fixedly connected with two second sliding rods 37, the outer wall of the two second sliding rods 37 is sleeved with a spring 39, the ends of the two second sliding rods 37 are respectively penetrated through the abutting plate 35 and slidably connected therewith, the outer wall of the two second sliding rods 37 is fixedly connected with a limiting sleeve 38, one end of the spring 39 is fixedly connected with the abutting plate 35, the other end of the spring 39 is fixedly connected with the connecting plate 34, the height of the water baffle 30 can be adjusted by pulling the pull ring 40, and is fixed by clamping of the clamping tooth 36 and the toothed plate 7, and the water baffle 30 can block the sprayed cutting fluid.

[0038] Working principle: the drilling tool, tapping tool and chamfering tool are respectively installed on the corresponding clamps 47, the workpiece is installed on the workpiece table 11, the mounting box 12 is pushed downward by the hydraulic cylinder 4, the corresponding connecting shafts 42 are driven to rotate by the plurality of second motors 41 respectively, the plurality of second bevel gears 45 are driven to rotate by the connecting shafts 42, the first bevel gears 44 are driven to rotate by the second bevel gears 45 respectively, the output shaft 46 is driven to rotate by the first bevel gears 44, the clamps 47 are driven to rotate by the output shaft 46, the corresponding tools are driven to rotate by the clamps 47, and the tools are lowered by the hydraulic cylinder 4, so that the workpiece can be processed;

[0039] The workpiece table 11 is moved by the X-axis adjusting device 8 and the Y-axis adjusting device 9 respectively, and the workpiece is moved by the workpiece table 11, so that the workpiece is moved to below the corresponding tool for processing;

[0040] During processing, the water pump 27 pumps out the cutting fluid in the water tank 13 through the water inlet pipe 29, and the cutting fluid is sprayed onto the surface of the workpiece through the nozzle 10 by the drain pipe 28, so as to lubricate and cool the processed workpiece and tool;

[0041] The cutting fluid accumulated in the mounting frame 2 flows into the water tank 13 through the backwater pipe 6, and the impurities in the cutting fluid are filtered by the plurality of first filter screens 14 and second filter screens 15 in the water tank 13;

[0042] By driving the first connecting plate 23 to rotate through the first motor 22, the first connecting plate 23 drives the second connecting plate 25 to rotate through the first rotating shaft 24, the second connecting plate 25 drives the connecting block 21 to move up and down through the second rotating shaft 26, the connecting block 21 drives the sliding plate 19 to slide along the inner wall of the limiting groove 18 through the connecting rod 20, and the sliding plate 19 drives the plurality of first filter screens 14 and second filter screens 15 to move up and down, so that the first filter screens 14 and second filter screens 15 are impacted with the upper limiting plate 16 respectively, thereby making the first filter screens 14 and second filter screens 15 vibrate, so that the impurities on the first filter screens 14 and second filter screens 15 are easily fallen off;

[0043] By pulling the pull ring 40 to the outside, the abutment plate 35 is driven to move through the pull ring 40, the latch tooth 36 is driven to disengage from the tooth plate 7 through the abutment plate 35, at this time, the water baffle 30 can slide up and down, the height of the water baffle 30 is adjusted, after adjustment, the pull ring 40 is loosened, under the action of the spring 39, the latch tooth 36 is clamped with the tooth plate 7, so that the water baffle 30 can be fixed.

[0044] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above-mentioned embodiments, the above-mentioned embodiments and descriptions in the specification are only preferred examples of the present application, and are not intended to limit the present application, various changes and improvements of the present application can be made without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A CNC multi-spindle drilling and tapping machine comprising a mounting cabinet (12), characterized in that: The inner wall of the mounting box (12) is fixedly connected with a plurality of second motors (41), the inner wall of the mounting box (12) is fixedly connected with two supporting plates (48), a plurality of connecting shafts (42) are rotatably connected between the two supporting plates (48), shaft sleeves (43) are rotatably connected to the circumferential outer wall of the connecting shafts (42), the ends of the connecting shafts (42) are fixedly connected with the second motors (41), a plurality of second bevel gears (45) are fixedly connected to the circumferential outer wall of the connecting shafts (42), a plurality of output shafts (46) are rotatably connected to the top of the mounting box (12), the top of the output shafts (46) penetrates through the mounting box (12) and extends above the mounting box (12), first bevel gears (44) are fixedly connected to the ends of the output shafts (46), the first bevel gears (44) are engaged with the corresponding second bevel gears (45), clamps (47) are fixedly connected to the bottoms of the output shafts (46), the clamps (47) are used for clamping tools, and the ends of the output shafts (46) are rotatably connected with the shaft sleeves (43); The support table (1) is provided with a mounting frame (2) fixedly connected to the top of the support table (1), and a workpiece table (11) is arranged in the mounting frame (2); A plurality of water return pipes (6) are fixedly connected to the outer wall of the mounting frame (2), a water tank (13) is fixedly connected to the outer wall of the support table (1), the ends of the water return pipes (6) extend into the water tank (13), a water pump (27) is fixedly connected to the outer wall of the support table (1), a water inlet pipe (29) is fixedly connected to the water inlet end of the water pump (27), a drain pipe (28) is fixedly connected to the water outlet end of the water pump (27), and a connecting hole (17) is formed in the outer wall of the water tank (13); and the end of the water inlet pipe (29) is fixedly connected to the inner wall of the connecting hole (17). A plurality of first filter screens (14) and a plurality of second filter screens (15) are slidably connected to the inner wall of the water tank (13), two limiting plates (16) are arranged above the first filter screens (14) and the second filter screens (15), the limiting plates (16) are fixedly connected to the inner wall of the water tank (13), and a plurality of nozzles (10) are fixedly connected to the outer wall of the workpiece table (11) and fixedly connected with the drain pipe (28); A limiting groove (18) is formed in the inner wall of the water tank (13), a sliding plate (19) is slidably connected to the inner wall of the limiting groove (18), the outer wall of the sliding plate (19) is fixedly connected with the first filter screen (14) and the second filter screen (15), a connecting rod (20) is fixedly connected to the top of the sliding plate (19), the end of the connecting rod (20) penetrates through the water tank (13) and is slidably connected with the water tank (13), and a connecting block (21) is fixedly connected to the outer end of the connecting rod (20). Both sides of the mounting frame (2) are fixedly connected with two fixed blocks (32), the first sliding rod (31) is fixedly connected between the two fixed blocks (32) located on the same side, the sliding arm (33) is slidably connected to the circumferential outer wall of the two first sliding rods (31), and the water baffle (30) is fixedly connected between the two sliding arms (33). The mounting frame (2) is fixedly connected with a toothed plate (7) on the outer wall, the water baffle (30) is fixedly connected with a connecting plate (34) on the outer wall, the connecting plate (34) is slidably connected with a stop plate (35) on the inner wall, the stop plate (35) is fixedly connected with a clamping tooth (36) at one end, the stop plate (35) is fixedly connected with a pull ring (40) at one end, the connecting plate (34) is fixedly connected with two second sliding rods (37) on the outer wall, the spring (39) is sleeved on the outer wall of the two second sliding rods (37), and the two second sliding rods (37) are respectively penetrated through the stop plate (35) and slidably connected with the stop plate (35).

2. The CNC multi-spindle drilling and tapping machine according to claim 1, characterized in that: The support frame (3) is fixedly connected to the top of the support table (1), the hydraulic cylinder (4) is fixedly connected to the outer wall of the support frame (3), the output end of the hydraulic cylinder (4) is fixedly connected with the mounting box (12), and the inner wall of the mounting frame (2) is fixedly connected with two baffles (5).

3. The CNC multi-spindle drilling and tapping machine according to claim 2, characterized in that: The X-axis adjusting device (8) is fixedly installed on the inner wall of the mounting frame (2), the Y-axis adjusting device (9) is fixedly installed on the movable part of the X-axis adjusting device (8), and the workpiece table (11) is fixedly installed on the movable part of the Y-axis adjusting device (9).

4. The CNC multi-spindle drilling and tapping machine according to claim 3, characterized in that: The first motor (22) is fixedly connected to the outer wall of the water tank (13), the first connecting plate (23) is fixedly connected to the output end of the first motor (22), the first rotating shaft (24) is rotatably connected to the end of the first connecting plate (23), the second connecting plate (25) is fixedly connected to the end of the first rotating shaft (24), the second rotating shaft (26) is rotatably connected to the end of the second connecting plate (25), and the connecting block (21) is fixedly connected to the end of the second rotating shaft (26).

5. The CNC multi-spindle drilling and tapping machine according to claim 4, characterized in that: One end of the spring (39) is fixedly connected with the stop plate (35), and the other end of the spring (39) is fixedly connected with the connecting plate (34).

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