A device for processing water inlet and outlet holes of water meter housing

Abstract

The present invention relates to the technical field of drilling processing equipment, and specifically discloses a device for processing water inlet and outlet holes in a water meter housing, comprising a main structure, a bearing structure and a clamping structure, wherein the bearing structure is fixedly arranged on a first motor of the main structure, and the clamping structure is fixedly arranged on a cross frame of the bearing structure; the present solution has the characteristics of adaptability to different sizes, and the position and diameter of the sleeve can be adjusted to fit different water meter housings. For water meter housings with slightly different shapes or structures, the device can achieve a close fit by adjusting the sleeve, and the stable clamping structure can ensure the accuracy and safety of the processing, without the need to disassemble and change the processing direction, and is convenient for calibrating the drill bit.

Description

Technical Field

[0001] The invention relates to the technical field of drilling processing equipment, in particular to a device for processing water inlet and outlet holes of a water meter housing. Background Art

[0002] A water meter is an instrument for measuring water flow, most of which measure the cumulative flow of water. It is generally divided into two categories: volumetric water meters and velocity water meters. The outer shell of a water meter is made of different materials, but during the production process, it is necessary to drill holes in the water meter shell to connect water pipes to measure the flow of water. However, the existing drilling equipment cannot be adjusted and fixed well according to the size of the water meter shell, and the drilling process needs to be carried out in two directions, namely, the connection of the inlet and outlet pipes, which requires manual replacement and is inefficient. Therefore, a device for machining the inlet and outlet holes of a water meter shell is designed. Summary of the Invention

[0003] The object of the present invention is to provide a device for processing water inlet and outlet holes of a water meter housing, so as to solve the problems raised in the above background technology.

[0004] In order to achieve the above-mentioned solution to the problem, the present invention provides the following technical solution: a device for processing water inlet and outlet holes of a water meter housing, comprising a main structure, a bearing structure and a clamping structure, wherein the bearing structure is fixedly arranged on a first motor of the main structure, and the clamping structure is fixedly arranged on a cross frame of the bearing structure, the bearing structure is used to support the water meter housing, the clamping structure is used to clamp and fix the water meter housing, and the main structure is used to drill holes in the housing after the clamping structure is fixed.

[0005] Preferably, the main structure includes a main frame, a first bearing, a first motor, a screw rod, a movable platform, a hydraulic cylinder, a drilling machine body and a pair of limit rods; a movable slot is provided through the middle of the top of the main frame, the first bearing is fixedly embedded in the main frame near the middle, the first motor is fixedly arranged on the main frame and the first motor driving end is fixed through the middle of the first bearing, one end of the screw rod movably passes through the left side wall of the movable slot and the screw rod movably embedded in the right side wall of the movable slot, the middle of the movable platform movably inserted in the movable slot, and the middle of the movable platform is screwed on the screw rod, a lifting hole is provided in the middle of the front and rear ends of the movable platform, one end of the hydraulic cylinder is fixedly arranged in the middle of the lower wall of the movable platform, the drilling machine body is fixedly arranged on the telescopic end of the hydraulic cylinder, one end of a pair of limit rods are respectively fixedly arranged on the upper wall of the drilling machine body, and the other end of the limit rods are respectively movably passed through the lifting holes of the movable platform.

[0006] Preferably, the supporting structure includes a cross frame, a first electric slide rail, a supporting arm, a second bearing, a supporting shaft tube and several sleeves; the middle part of the cross frame is fixedly provided on the first motor drive end and is located on the left side of the first bearing, the first electric slide rail is fixedly provided on the left side wall of the cross frame and is located behind the center line, one end of the supporting arm is fixedly provided on the first electric slide rail and the supporting arm moves up and down, the other end of the supporting arm is located on the left side of the middle of the cross frame, the second bearing is fixedly embedded in the other end of the supporting arm, and the second bearing corresponds to the first bearing, one end of the supporting shaft tube is fixedly passed through the middle of the second bearing, the other end of the supporting shaft tube is a hexagonal prism structure, several of the sleeves are columns with different diameters and widths, and a screw is provided in the middle of the side wall, the sleeve can be detachably screwed on one end of the supporting shaft tube and is located on the left side of the supporting arm.

[0007] Preferably, the clamping structure includes a pair of second electric slide rails, a pair of mounting plates, two pairs of pipe racks, a pair of second motors, a pair of first gears and a pair of clamping assemblies; a pair of the second electric slide rails are symmetrically arranged on both ends of the cross frame, and the front and rear ends of the cross frame are respectively located in the middle of the second electric slide rails, one of the mounting plates has two ends respectively fixedly arranged between the left side walls at the top end of the second electric slide rail, and the other mounting plate has two ends respectively fixedly arranged on the second electric slide rail and is lifted and lowered by the second electric slide rail, one end of the two pairs of pipe racks is respectively fixedly arranged in the middle of the two ends of the mounting plates, a pair of the second motors are respectively fixedly arranged in the middle of the mounting plates and are located between the pipe racks, a pair of the first gears are respectively fixedly sleeved on the driving ends of the second motors, and a pair of the clamping assemblies are respectively symmetrically arranged on the pipe racks of the mounting plates.

[0008] The cam is connected with the second gear of the gear selector, and the cam is connected with the gear train of the gear selector to form a circle around the cam, and the cam is connected with the gear train of the gear selector to form a circle around the cam.

[0009] Preferably, the relative spacing between the clamping components is adjustable.

[0010] Preferably, the second bearing is located between the other ends of the clamping arms in a pair of clamping assemblies.

[0011] Preferably, the gear rod is located on the left side of the drill bit of the drilling machine body.

[0012] The device for processing water inlet and outlet holes of a water meter housing proposed by the present invention has the following beneficial effects: the clamping structure can be used to clamp water meter housings of different sizes, and after the water meter housing is supported by the sleeve, it is clamped on both sides of the root of the water pipe of the water meter housing by two pairs of clamping arms to achieve stable clamping. At this time, the water meter housing cannot rotate, and the main body of the drilling machine can be controlled to descend and drill holes by means of the main structure; according to different water meter housings, the clamping and the position and diameter of the sleeve can be adjusted to fit, and the movement of the drilling machine body can be adjusted for calibration; and the water meter housing can be rotated 360 degrees to facilitate processing on both sides without disassembly and replacement; in summary, this solution has the following effects:

[0013] 1. Adaptability to different sizes: The clamping structure can be applied to water meter housings of different sizes. This feature greatly improves the versatility of the device.

[0014] 2. Adjustability: The position and diameter of the sleeve can be adjusted to fit different water meter housings. This means that for water meter housings with slightly different shapes or structures, the device can achieve a tight fit by adjusting the sleeve.

[0015] 3. Stable clamping: Two pairs of clamping arms are used to clamp the water meter housing on both sides of the water pipe root to achieve stable clamping, so that the water meter housing cannot rotate. Stability is crucial when performing processing operations such as drilling; this stable clamping structure can ensure the accuracy and safety of processing.

[0016] 4. No need to disassemble and change the processing direction: The water meter shell can be rotated 360 degrees to facilitate processing on both sides, without the need to disassemble and change. This advantage is very obvious when processing both sides of the water meter shell. The traditional processing method requires disassembling the water meter shell, readjusting the direction and then processing the other side. This process is time-consuming and easy to damage the water meter shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 It is a schematic diagram of the assembly structure of the present invention.

[0019] Figure 2 This is a schematic diagram of the first assembly structure of the present invention.

[0020] Figure 3 This is a schematic diagram of the second assembly structure of the present invention.

[0021] Figure 4 It is a schematic diagram of the split structure of the main structure of the present invention.

[0022] Figure 5 It is a schematic diagram of the split structure of the bearing structure of the present invention.

[0023] Figure 6 It is a schematic diagram of the split structure of the clamping structure of the present invention.

[0024] Figure 7 For the present invention Figure 6 A partial enlarged view of point A in the figure.

[0025] Figure 8 For the present invention Figure 6 A partial enlarged view of point B in FIG.

[0026] Figure 9 For the present invention Figure 6 A partial enlarged view of point C in the figure.

[0027] Figure 10 For the present invention Figure 3 A partial enlarged view of point D in the figure.

[0028] In the figure: 1. Main structure; 11. Main frame; 12. First bearing; 13. First motor; 14. Screw rod; 15. Moving platform; 16. Hydraulic cylinder; 17. Drilling machine body; 18. Limit rod; 2. Bearing structure; 21. Cross frame; 22. First electric slide rail; 23. Bearing arm; 24. Second bearing; 25. Bearing shaft tube; 26. Sleeve column; 3. Clamping structure; 31. Second electric slide rail; 32. Mounting plate; 33. Pipe rack; 34. Second motor; 35. First gear; 36. Clamping assembly; 361. Second gear; 362. Clamping arm; 363. Slide; 364. Gear rod; 365. Stop claw; 366. Mounting bolt. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below through embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0030] See also Figures 1-10The present invention provides a technical solution: a device for processing water inlet and outlet holes of a water meter housing, comprising a main structure 1, a bearing structure 2 and a clamping structure 3, wherein the bearing structure 2 is fixedly arranged on a first motor 13 of the main structure 1, and the clamping structure 3 is fixedly arranged on a cross frame 21 of the bearing structure 2; the bearing structure 2 is used to support the water meter housing, the clamping structure 3 is used to clamp and fix the water meter housing, and the main structure is used to perform drilling processing on the housing after being fixed by the clamping structure 3.

[0031] In a further embodiment, Figure 2 and Figure 4 As shown, the main structure 1 includes a main frame 11, a first bearing 12, a first motor 13, a screw rod 14, a movable platform 15, a hydraulic cylinder 16, a drilling machine body 17 and a pair of limit rods 18; the main frame 11 is concave, and a movable groove is opened through the middle of the top of the main frame 11, the first bearing 12 is fixedly embedded in the main frame 11 near the middle, the first motor 13 is fixedly arranged on the main frame 11 and the driving end of the first motor 13 is fixed through the middle of the first bearing 12, one end of the screw rod 14 movably passes through the left side wall of the movable groove and the screw rod 14 is movably embedded in the right side wall of the movable groove, the movable platform 15 is convex, the middle part of the movable platform 15 is movably inserted in the movable groove, and the movable platform 15 is convex. The middle part of the platform 15 is screwed onto the spiral rod 14, and a lifting hole is opened in the middle of the front and rear ends of the movable platform 15. One end of the hydraulic cylinder 16 is fixedly set in the middle of the lower wall of the movable platform 15, and the drilling machine body 17 is fixedly set on the telescopic end of the hydraulic cylinder 16. The drill bit on the drilling machine body 17 is detachable. One end of a pair of limit rods 18 is respectively fixedly set on the upper wall of the drilling machine body 17, and the other end of the limit rods 18 is respectively movable through the lifting holes of the movable platform 15; the hydraulic cylinder 16 is extended to drive the drilling machine body 17 to descend with the help of the limit rods 18 for drilling processing, and the position of the movable platform 15 is adjusted by rotating the spiral rod 14 to adjust the position of the drilling machine body 17 to calibrate the drilling position.

[0032] In a further embodiment, Figure 3 and Figure 5As shown, the bearing structure 2 includes a cross frame 21, a first electric slide rail 22, a bearing arm 23, a second bearing 24, a bearing shaft tube 25 and a plurality of sleeve columns 26; the middle portion of the cross frame 21 is fixedly arranged on the driving end of the first motor 13 and is located on the left side of the first bearing 12, the first electric slide rail 22 is fixedly arranged on the left side wall of the cross frame 21 and is located behind the center line, one end of the bearing arm 23 is fixedly arranged on the first electric slide rail 22 and the bearing arm 23 moves up and down, the other end of the bearing arm 23 is located on the left side of the middle of the cross frame 21, and the second bearing 24 is fixedly embedded in the other end of the bearing arm 23. The second bearing 24 corresponds to the first bearing 12, one end of the load-bearing shaft tube 25 is fixed and passes through the middle of the second bearing 24, and the other end of the load-bearing shaft tube 25 is a hexagonal prism structure. Several sleeve columns 26 are columns with different diameters and widths, and screws are provided in the middle of the side walls. The sleeve column 26 can be detachably screwed on one end of the load-bearing shaft tube 25 and is located on the left side of the load-bearing arm 23; the first motor 13 drives the cross frame 21 to rotate and adjust the processing direction, and the first electric slide rail 22 drives the sleeve column 26 on the load-bearing arm 23 to move up and down to realize the limit fixation of the water meter shell according to different sizes.

[0033] In a further embodiment, Figure 3 、 Figure 6 As shown, the clamping structure 3 includes a pair of second electric slide rails 31, a pair of mounting plates 32, two pairs of pipe racks 33, a pair of second motors 34, a pair of first gears 35 and a pair of clamping assemblies 36; the pair of second electric slide rails 31 are symmetrically arranged on both ends of the cross frame 21, and the front and rear ends of the cross frame 21 are respectively located in the middle of the second electric slide rails 31, one of the mounting plates 32 is respectively fixedly arranged between the left side walls at the top of the second electric slide rail 31, and the other mounting plate 32 is respectively fixedly arranged on the second electric slide rail 31 and is connected to the second electric slide rail 31 through the second electric slide The rail 31 moves up and down, one end of the two pairs of pipe racks 33 is fixedly set in the middle of the two ends of the mounting plate 32, a pair of second motors 34 are fixedly set in the middle of the mounting plate 32 and located between the pipe racks 33, a pair of first gears 35 are fixedly sleeved on the driving ends of the second motors 34, and a pair of clamping assemblies 36 are symmetrically arranged on the pipe racks 33 of the mounting plate 32; the second electric slide rail 31 drives the clamping assemblies 36 to move relatively to adjust the spacing and adjust the clamping position, and the second motor 34 drives the first gear 35 to rotate to drive the clamping assembly 36.

[0034] In a further embodiment, Figure 6 、 Figure 7 、 Figure 8 、 Figure 9 and Figure 10As shown, the clamping assembly 36 includes a pair of second gears 361, a pair of clamping arms 362, a pair of slides 363, a pair of gear rods 364, a pair of stop claws 365 and a pair of mounting bolts 366; the pair of second gears 361 are movably arranged on the other end of the pipe rack 33, and the second gear 361 and the first gear 35 are on the same horizontal plane, one end of a pair of clamping arms 362 are fixedly set on the side wall of the second gear 361, and the other end of the clamping arms 362 are relatively tilted and symmetrical, and the other end of the clamping arms 362 is a tube structure parallel to the pipe rack 33, one end of a pair of slides 363 are symmetrically set on the mounting plate 32 and are respectively located near the pipe rack 33, a pair of gear rods 364 are both Z-shaped, and one end is set on the left and right side walls. There is a sleeve groove, one end of a pair of gear rods 364 is movably passed through the other end of the slide 363, and one end of the gear rods 364 is respectively engaged with the second gear 361, and the other end of the gear rods 364 is respectively located on the upper and lower sides of the first gear 35, staggered and opposite, and the other end of the gear rods 364 is respectively engaged with the first gear 35, a pair of claws 365 are respectively movably sleeved on a pair of mounting bolts 366, a pair of mounting bolts 366 are respectively screwed on the other end of the pipe frame 33, and the claws 365 are relatively inclined; by the rotation of the first gear 35 and the engagement transmission with the other end of the gear rod 364, the corresponding gear rod 364 is driven to move in the opposite direction, which can drive the second gear 361 to rotate on the pipe frame 33, thereby driving the clamping arms 362 to move relative or toward each other for clamping.

[0035] As a further solution of the present invention, the relative spacing of the clamping components 36 is adjustable, so as to be adjusted according to different diameters of the middle portion of the water meter housing.

[0036] As a further solution of the present invention, the second bearing 24 is located between the other ends of the clamping arms 362 in a pair of clamping assemblies 36, and is used to clamp the water pipes at both ends of the water meter housing according to design requirements.

[0037] As a further solution of the present invention, the gear rod 364 is located on the left side of the drill bit of the drilling machine body 17 and is used for design and proofreading processing requirements.

[0038] The working principle and process are as follows.

[0039] First, fix the bottom end of the main frame 11 in the main structure 1 on the corresponding processing table. Then, after the equipment is powered on, install the corresponding sleeve 26 according to the diameter of the inner wall of the middle part of the processed water meter shell. That is, screw the sleeve 26 onto the bearing shaft tube 25 in the bearing structure 2. When installing the sleeve 26, the bearing shaft tube 25 is rotated and screwed through the second bearing 24.

[0040] Then, according to the outer wall diameter of the middle part of the water meter housing, or the distance between the two ends of the water pipe, the second electric slide 31 in the clamping structure 3 is driven to adjust the distance between the two clamping assemblies 36; at the same time, the first electric slide 22 on the horizontal frame 21 is controlled to drive the sleeve 26 on the carrying arm 23 to move up and down, so that the sleeve 26 is located in the middle of the clamping arm 362, which is used to stably and symmetrically clamp the water meter housing;

[0041] Then, the middle part of the water meter housing is sleeved on the sleeve column 26 for support, and the water receiving pipes at both ends are respectively located above and below, that is, between the clamping arms 362. Then, the second motor 34 on the control mounting plate 32 drives the first gear 35 to rotate. The first gear 35 engages with the gear rod 364 to drive the gear rods 364 in the clamping assemblies 36 on both sides of the first gear 35 to move in the opposite direction on the slide 363. The gear rod 364 engages with the second gear 361 to drive the second gear 361 to rotate in the opposite direction on the pipe rack 33, thereby driving the clamping arms 362 to flip relatively and clamp on the water receiving pipes at both ends of the water meter housing for fixation. At this time, the front side of the water meter housing is blocked by the blocking claws 365 installed by the mounting bolts 366 and cannot be separated from the sleeve column 26.

[0042] Finally, the hydraulic cylinder 16 is driven to drive the drilling machine body 17 to move up and down through the limit rod 18, and the drill bit on the drilling machine body 17 contacts the workpiece to perform drilling processing; when the water pipe on one side of the water meter housing is drilled, the first motor 13 is controlled to drive the cross frame 21 to rotate via the first bearing 12, that is, to drive the clamping assembly 36 and the workpiece to rotate to perform drilling processing on the other end;

[0043] When processing shells of different sizes, along with the spacing adjustment of the clamping assembly 36 and the height adjustment of the sleeve column 26, the position of the drilling machine body 17 also needs to be adjusted to achieve the correction of the drill bit processing position; that is, by rotating the screw rod 14, the movable platform 15 is forced to move inside the top of the main frame 11, driving the hydraulic cylinder 16, the drilling machine body 17 and the limit rod 18 to move.

[0044] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A device for processing water inlet and outlet holes of a water meter housing, characterized in that: The invention comprises a main structure (1), a bearing structure (2) and a clamping structure (3), wherein the bearing structure (2) is fixedly arranged on a first motor (13) of the main structure (1), and the clamping structure (3) is fixedly arranged on a cross frame (21) of the bearing structure (2). The bearing structure (2) is used to bear a water meter housing, the clamping structure (3) is used to clamp and fix the water meter housing, and the main structure (1) is used to perform drilling processing on the housing after the clamping structure (3) is fixed. The clamping structure (3) includes a pair of second electric slide rails (31), a pair of mounting plates (32), two pairs of pipe racks (33), a pair of second motors (34), a pair of first gears (35) and a pair of clamping assemblies (36); A pair of the second electric slide rails (31) are symmetrically arranged on both ends of the cross frame (21), and the front and rear ends of the cross frame (21) are respectively located in the middle of the second electric slide rail (31), one of the mounting plates (32) has its two ends fixedly arranged between the left side walls of the top end of the second electric slide rail (31), and the other mounting plate (32) has its two ends fixedly arranged on the second electric slide rail (31) and is lifted and lowered by the second electric slide rail (31), one end of the two pairs of pipe racks (33) is respectively fixedly arranged in the middle of both ends of the mounting plates (32), a pair of the second motors (34) are respectively fixedly arranged in the middle of the mounting plates (32) and are located between the pipe racks (33), a pair of the first gears (35) are respectively fixedly sleeved on the driving ends of the second motors (34), and a pair of the clamping assemblies (36) are respectively symmetrically arranged on the pipe racks (33) of the mounting plates (32); The clamping assembly (36) includes a pair of second gears (361), a pair of clamping arms (362), a pair of slides (363), a pair of gear rods (364), a pair of retaining claws (365), and a pair of mounting bolts (366). A pair of the second gears (361) are movably arranged on the other end of the pipe rack (33), and the second gear (361) and the first gear (35) are on the same horizontal plane. One end of a pair of the clamping arms (362) are fixedly arranged on the side wall of the second gear (361), and the other end of the clamping arms (362) are relatively tilted and symmetrical. The other end of the clamping arms (362) is a tube structure parallel to the pipe rack (33). One end of a pair of the slides (363) are symmetrically arranged on the mounting plate (32) and are respectively located near the pipe rack (33). The pair of the gear rods (364) are both Z-shaped, and one end is The left and right side walls are both provided with sleeve grooves, one end of a pair of the gear rods (364) is movably inserted into the other end of the slide (363), and one end of the gear rods (364) is respectively engaged with the second gear (361), the other end of the gear rods (364) is respectively located on the upper and lower sides of the first gear (35) and staggered relative to each other, and the other end of the gear rods (364) is respectively engaged with the first gear (35), the pair of the retaining claws (365) are respectively movably mounted on the pair of the mounting bolts (366), the pair of the mounting bolts (366) are respectively screwed to the other end of the pipe frame (33), and the retaining claws (365) are relatively inclined.

2. The device for machining water inlet and outlet holes of a water meter housing according to claim 1, characterized in that: The main structure (1) includes a main frame (11), a first bearing (12), a first motor (13), a screw rod (14), a moving platform (15), a hydraulic cylinder (16), a drilling machine body (17), and a pair of limiting rods (18); A movable groove is provided through the middle of the top of the main frame (11), the first bearing (12) is fixedly embedded in the middle of the main frame (11), the first motor (13) is fixedly arranged on the main frame (11), and the driving end of the first motor (13) is fixedly inserted through the middle of the first bearing (12), one end of the screw rod (14) is movable through the left side wall of the movable groove, and the screw rod (14) is movably embedded in the right side wall of the movable groove, and the middle of the movable platform (15) is movably inserted in the movable groove. , and the middle of the movable platform (15) is screwed onto the screw rod (14), and the middle of the front and rear ends of the movable platform (15) are provided with lifting holes, one end of the hydraulic cylinder (16) is fixedly arranged at the middle of the lower wall of the movable platform (15), and the drilling machine body (17) is fixedly arranged on the telescopic end of the hydraulic cylinder (16), and one end of a pair of limiting rods (18) are respectively fixedly arranged on the upper wall of the drilling machine body (17), and the other ends of the limiting rods (18) are respectively movable and penetrate the lifting holes of the movable platform (15).

3. The device for machining water inlet and outlet holes of a water meter housing according to claim 2, characterized in that: The bearing structure (2) includes a cross frame (21), a first electric slide rail (22), a bearing arm (23), a second bearing (24), a bearing shaft tube (25), and a plurality of sleeve columns (26); The middle part of the cross frame (21) is fixedly arranged on the driving end of the first motor (13) and is located on the left side of the first bearing (12). The first electric slide rail (22) is fixedly arranged on the left side wall of the cross frame (21) and is located behind the center line. One end of the carrying arm (23) is fixedly arranged on the first electric slide rail (22) and the carrying arm (23) moves up and down. The other end of the carrying arm (23) is located on the left side of the middle part of the cross frame (21). The second bearing (24) is fixedly embedded in the other end of the carrying arm (23), and the second bearing (24) corresponds to the first bearing (12). One end of the carrying shaft tube (25) is fixedly passed through the middle part of the second bearing (24). The other end of the carrying shaft tube (25) is a hexagonal prism structure. Several sleeves (26) are cylinders with different diameters and widths, and screws are provided in the middle of the side walls. The sleeves (26) can be detachably screwed on one end of the carrying shaft tube (25) and are located on the left side of the carrying arm (23).

4. The device for machining water inlet and outlet holes of a water meter housing according to claim 3, characterized in that: The relative spacing of the clamping components (36) is adjustable.

5. The device for machining water inlet and outlet holes of a water meter housing according to claim 4, characterized in that: The second bearing (24) is located between the other ends of the clamping arms (362) of a pair of clamping assemblies (36).

6. The device for machining water inlet and outlet holes of a water meter housing according to claim 5, characterized in that: The gear rod (364) is located on the left side of the drill bit of the drilling machine body (17).

7. The device for machining water inlet and outlet holes of a water meter housing according to claim 6, characterized in that: The second motor (34) drives the first gear (35) to rotate, driving the gear rods (364) on both sides of the first gear (35) to move in the opposite direction on the slide (363). The gear rods (364) are engaged with the second gear (361) to drive the second gear (361) to rotate in the opposite direction on the pipe rack (33), thereby driving the clamping arm (362) to flip relative to each other.

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