Inverted single-shaft hydraulic drilling machine

By designing adjustable placement mounting rings and composite fixtures on the inverted single-axis hydraulic drilling machine, the inefficiency and functional separation of traditional equipment when dealing with materials of different sizes is solved, achieving higher production efficiency and safety.

CN119635368APending Publication Date: 2025-03-18HANQIAO HUZHOU HARDWARE PROD
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Patent Information

Application Number
CN202510007050.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-03
Publication Date
2025-03-18

AI Technical Summary

Technical Problem

When handling materials of different sizes, traditional inverted single-axis hydraulic drilling machines need to frequently replace or adjust the material positioning fixture, resulting in low production efficiency and separation of material positioning and protection functions, which increases the complexity of the equipment and maintenance costs.

Method used

An inverted single-axis hydraulic drilling machine is designed, using an adjustable placement and mounting ring and composite fixture. The downward plate and rack plate are driven by the hydraulic cylinder to achieve flexible neutralization protection for materials of different sizes.

Benefits of technology

It improves the flexibility and production efficiency of equipment, reduces manpower operation, enhances the stability and protection functions of material positioning, and reduces maintenance and installation complexity.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of machining, and discloses an inverted single-shaft hydraulic drilling machine which comprises a shell, a hydraulic cylinder is fixedly connected to the inner wall of the upper side of the shell, a limiting sliding rod is slidably connected to the inner wall of a lower pressing plate, the top end of the limiting sliding rod is fixedly connected to the inner top wall of the shell, and a pressing sleeve is fixedly connected to the lower surface of the lower pressing plate. A first rack plate is fixedly connected to the lower surface of the lower pressing plate, a supporting table is fixedly connected to the bottom end of a limiting sliding rod, a drilling assembly is fixedly arranged in the middle of the supporting table, a cleaning assembly is arranged in the lower side of the shell, and a collecting box is arranged on the lower surface of the shell. The downward pressing plate slides into the shell through the protective door in the downward pressing process, the sealing and protection effects are achieved, a gear body drives a second rack plate and a clamping rod to drive a centering ejector rod, and a flexible clamp is formed through a limiting sleeve and an ejection spring so as to adapt to the centering production effect of materials of different sizes.
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Description

Technical Field

[0001] The invention relates to the technical field of mechanical processing, in particular to an inverted single-axis hydraulic drilling machine. Background Art

[0002] "Inverted" refers to a machine where the table is oriented in the opposite direction from the drill press spindle. In this design, the drill head is usually mounted from above, while the table (or workpiece) is located below.

[0003] "Single-axis" means that the drilling machine has only one spindle for drilling tasks. Although modern CNC drilling machines usually have multi-axis designs, the single-axis design is still suitable for simple drilling tasks, especially for workpieces with high position and depth requirements.

[0004] Traditional inverted single-axis hydraulic drilling machines are designed for materials of fixed size or a narrow size range. When the production task involves materials of different sizes, the fixture has to be replaced or adjusted frequently. This process is extremely labor-intensive and will greatly reduce the processing efficiency of the drilling machine. The protective function of some products is separated from the processing, which may cause mechanical injuries due to incorrect operation of technicians. Summary of the invention

[0005] In view of the shortcomings of the prior art, the present invention provides an inverted single-axis hydraulic drilling machine to solve the problems that traditional material positioning fixtures cannot flexibly adapt to materials of different sizes and need to be frequently replaced or adjusted, which affects production efficiency. The material positioning and protection functions are separated, resulting in a complex overall structure of the equipment, occupying a large space, and increasing the complexity and cost of installation and maintenance.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0007] An inverted single-axis hydraulic drilling machine comprises a shell, an upper inner wall of the shell is fixedly connected to a hydraulic cylinder, an output end of the hydraulic cylinder is fixedly provided with a lower pressure plate, the inner wall of the lower pressure plate is slidably connected to a limiting slide rod, the top end of the limiting slide rod is fixedly connected to the inner top wall of the shell, the lower surface of the lower pressure plate is fixedly connected to a pressing sleeve, the lower surface of the lower pressure plate is fixedly connected to a first rack plate, the outer wall of the first rack plate is slidably connected to an operating table, a loading assembly is arranged inside the operating table, the bottom end of the limiting slide rod is fixedly connected to a supporting table, a drilling assembly is fixedly arranged in the middle of the supporting table, a cleaning assembly is arranged inside the lower side of the shell, and a collecting box is arranged on the lower surface of the shell.

[0008] Preferably, the drilling assembly includes a connecting platform, the outer wall of the connecting platform is fixedly connected to the inner wall of the supporting platform, the lower surface of the connecting platform is fixedly connected to a motor, the output end of the motor is fixedly provided with a drill rod, and L-shaped through holes for chip removal are provided on both sides of the middle part of the connecting platform, and the L-shaped through holes are arranged in a matrix in the middle part of the connecting platform and the supporting platform.

[0009] Preferably, the loading assembly includes a guide plate, the outer wall of the guide plate is slidably connected to the inner wall of the operating table, a push-pull rod for movement is provided on the front side of the guide plate, a through hole is opened in the middle of the guide plate, a placement and mounting ring is fixedly connected inside the through hole, a feeding trough is opened in the middle of the placement and mounting ring and the guide plate, and the placement and mounting ring is used to adapt to the installation of products of different sizes.

[0010] Preferably, a return spring is fixedly connected to the lower surface of the operating table, the outer wall of the return spring is slidably connected to the outer wall of the limiting slide rod, the bottom end of the return spring is fixedly connected to the upper surface of the support table, the tooth end of the first rack plate is meshingly connected to the gear body, the outer wall of the gear body is rotatably connected to the limiting slide plate, the tooth end of the gear body is meshingly connected to the second rack plate, the outer wall of the second rack plate is fixedly connected to the clamping rod, the outer wall of the clamping rod is fixedly connected to the limiting sleeve, the outer wall of the limiting sleeve is fixedly connected to an ejection spring, the right outer wall of the ejection spring is fixedly connected to a centering ejector rod, and the outer wall of the ejection spring is slidably connected to the inner wall of the limiting sleeve.

[0011] Preferably, a protective door is fixedly connected to the outer wall of the lower pressure plate, the outer wall of the protective door is slidably connected to the inner wall of the outer shell, a sealing groove is provided on the front inner wall of the outer shell, and the outer wall of the protective door is slidably connected to the inside of the sealing groove.

[0012] Preferably, the cleaning component comprises a rotating handle, the outer wall of the rotating handle is rotatably connected to the lower inner wall of the shell, the outer wall of the rotating handle is fixedly connected with a half gear, and the half gear is longitudinally arranged in one group each up and down.

[0013] Preferably, the inner wall of the upper half gear is fixedly connected to a driving rod, the outer wall of the driving rod is fixedly provided with a connecting rod, the inner wall of the connecting rod is rotatably connected to a fixing plate, the inner wall of the connecting rod on the right side is rotatably connected to the outer wall of the rotating handle, and the outer wall of the driving rod is rotatably connected to the inner wall of the housing.

[0014] Preferably, the outer wall of the fixed plate is fixedly connected with a push plate, the lower surface of the push plate is slidably connected to the inner bottom wall of the shell, and the rear outer wall of the push plate is rotatably connected to a limiting column.

[0015] Preferably, the outer wall of the limiting column is rotatably connected to an opening and closing rod, and the opening and closing rod is provided in two groups and is rotatably connected to the outer wall of the limiting column in an up-and-down staggered manner. The outer wall of the opening and closing rod is rotatably connected to a door panel, and the door panel is provided in two groups and distributed on the left and right sides of the outer shell.

[0016] Preferably, a rotating shaft is rotatably connected to the inner part of the rear side of the door panel, and the rotating shaft is rotatably connected to the inner wall of the outer shell. A material collection groove is provided on the inner wall of the rear bottom of the outer shell, and the material collection groove is used for centralized processing of processed debris.

[0017] Working principle: When the device is needed, first pull out the guide plate, and then place the material on the placement and installation ring. The placement and installation ring is set with multiple layers. The mold installation can be customized each time according to the production batch. During use, it can play a primary positioning effect according to the different product sizes of the production batch. At the same time, during the processing, it can avoid processing failure and loss caused by the skewness of the bottom of the product. After the product is installed in the process of use, push the guide plate back to the original position, and then start the hydraulic cylinder to drive the lower pressure plate to descend. During the descent, the first rack plate plays a centering and centering effect on the material. During the descent, the lower pressure plate first presses the material through the pressure sleeve, which plays a role in pressing and locking the material during use, preventing the material from shaking and causing processing deviations.

[0018] At the same time, the protective door will descend with the descent of the lower pressure plate, so that the processing inlet can be closed during use, and the machine can be prevented from injuring people during use, and the processing debris can be prevented from splashing out and causing pollution to the environment. During use, the lower pressure plate descends and contacts the material through the pressure sleeve, and then the operating table is pressed down by the lower pressure plate. While the operating table compresses the reset spring, the material is drilled through the drilling assembly. At the same time, in the process of the lower pressure plate pressing down, the gear body is driven to rotate through the first rack plate, and then the gear body drives the second rack plates on both sides to drive the clamping rod to move toward the middle, so that the material can be centered during use. During use, the centering ejector rod is driven forward by the limit sleeve and the ejection spring, so that the material can be centered during use.

[0019] During use, the two sets of half gears are driven to rotate by turning the handle, and the driving rod is driven by the half gear. At the same time, the handle and the driving rod are turned to drive the connecting rod to expand or merge the connecting rod. During use, the fixing plate and the push plate can be driven by the connecting rod to extend or retract on the bottom inner wall of the shell. During use, the inside of the shell has a collecting function, and the waste can be quickly collected for processing during use, which can further increase the speed of equipment maintenance. At the same time, waste can be processed centrally, thereby improving production efficiency. The waste will not be difficult to clean up due to accumulation, which will result in a large amount of manpower required for maintenance and cleaning.

[0020] The present invention provides an inverted single-axis hydraulic drilling machine. It has the following beneficial effects:

[0021] 1. The present invention achieves the effect of sealing and protection by the lower pressure plate sliding into the interior of the shell through the protective door during the pressing process. The lower pressure plate also drives the gear body to rotate through the first rack plate during the pressing process, and drives the second rack plate and the clamp rod to drive the centering ejector through the gear body, and forms a flexible clamp through the limit sleeve and the ejection spring, thereby adapting to the centering production of materials of different sizes.

[0022] 2. The present invention can facilitate material loading by pulling out the centering push rod, without the need for workers to extend their limbs into the equipment. The operating table and the outer shell can limit the movement stability of the centering guide plate. The placement and installation ring in the guide plate has the effect of primary positioning to prevent the material from shifting during processing. At the same time, the reset spring and the limit slide bar play a limiting role during processing, further increasing the stability during processing. The reset spring drives the operating table to reset after processing, thereby eliminating the need for manual intervention and avoiding mechanical injuries.

[0023] 3. When the handle of the present invention is rotated, the two sets of half gears are driven to rotate the driving rod. At the same time, the rotating handle and the driving rod drive the connecting rod to allow the fixed plate and the push plate to slide on the bottom inner wall of the shell. During use, when cleaning is needed, the waste chips can be collected in the collection box by rotating the handle. At the same time, the door panel can be opened by the limit column and the opening and closing rod to provide further convenience. At the same time, the internal structure of the push plate will not be contaminated by waste chips due to the failure to reset the push plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A perspective view of the present invention;

[0025] Figure 2 It is a schematic diagram of the internal structure of the upper side of the housing of the present invention;

[0026] Figure 3It is a partial schematic diagram of the limiting slide plate of the present invention;

[0027] Figure 4 It is a partial schematic diagram of the guide plate of the present invention;

[0028] Figure 5 It is a partial schematic diagram of the operating table of the present invention;

[0029] Figure 6 It is a schematic diagram of the internal structure of the lower side of the housing of the present invention;

[0030] Figure 7 It is a partial schematic diagram of the driving rod of the present invention.

[0031] Among them, 1. shell; 2. hydraulic cylinder; 3. lower pressure plate; 4. limit slide rod; 5. pressing sleeve; 6. first rack plate; 7. gear body; 8. limit slide plate; 9. second rack plate; 10. clamping rod; 11. limit sleeve; 12. ejection spring; 13. centering ejector rod; 14. placement and installation ring; 15. feed chute; 16. guide plate; 17. operating table; 18. reset spring; 19. support table; 20. connecting platform; 21. motor; 22. drill rod; 23. turning handle; 24. half gear; 25. driving rod; 26. connecting rod; 27. fixing plate; 28. push plate; 29. ​​limit column; 30. opening and closing rod; 31. door panel; 32. collection box; 33. protective door. DETAILED DESCRIPTION

[0032] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] Example:

[0034] Please see attached Figure 1 -Attached Figure 7The embodiment of the present invention provides an inverted single-axis hydraulic drilling machine, including a shell 1, a hydraulic cylinder 2 is fixedly connected to the inner wall of the upper side of the shell 1, a lower pressure plate 3 is fixedly arranged at the output end of the hydraulic cylinder 2, the inner wall of the lower pressure plate 3 is slidably connected to a limiting slide bar 4, the top of the limiting slide bar 4 is fixedly connected to the inner top wall of the shell 1, the lower surface of the lower pressure plate 3 is fixedly connected to a pressing sleeve 5, the lower surface of the lower pressure plate 3 is fixedly connected to a first rack plate 6, the outer wall of the first rack plate 6 is slidably connected to an operating table 17, a loading assembly is arranged inside the operating table 17, the bottom end of the limiting slide bar 4 is fixedly connected to a support table 19, a drilling assembly is fixedly arranged in the middle of the support table 19, a cleaning assembly is arranged inside the lower side of the shell 1, and a collecting box 32 is arranged on the lower surface of the shell 1. The drilling assembly includes a connecting platform 20, the outer wall of the connecting platform 20 is fixedly connected to the inner wall of the supporting platform 19, the lower surface of the connecting platform 20 is fixedly connected to a motor 21, the output end of the motor 21 is fixedly provided with a drill rod 22, and L-shaped through holes for chip removal are provided on both sides of the middle part of the connecting platform 20, and the L-shaped through holes are arranged in a matrix in the middle part of the connecting platform 20 and the supporting platform 19.

[0035] Specifically, during use, the loading assembly is first pulled out, and then the material is put on. At this time, the lower pressure plate 3 is driven to descend by starting the hydraulic cylinder 2. During the descent, the first rack plate 6 has a centering and a focusing effect on the material. During use, the lower pressure plate 3 is pressed by the pressure sleeve 5 during the descent process, and the material is pressed and locked during use to prevent the material from shaking and causing processing deviations. When the pressure sleeve 5 contacts the material during use, the operating table 17 is driven to descend through the material as the center support and the drill rod 22 is driven to rotate through the connecting platform 20 of the drilling assembly, thereby During processing, waste chips from processing fall downward through the L-shaped through hole for collection. When the chips need to be cleaned during use, the cleaning component can push the chips to the collection box 32 during rotation and open the door panel 31 at the same time. During use, it can not only quickly clean and collect the chips, but also has the function of opening the door panel 31 in conjunction with the door opening action. During use, the lower pressure plate 3 also moves the protective door 33 downward and slides into the interior of the outer shell 1 during the descent process, thereby sealing off the chips to prevent injuries to the staff and preventing product chips from splashing to the outside and affecting the environment during processing.

[0036] Please see attached Figure 4 and attached Figure 5 The loading assembly includes a guide plate 16, the outer wall of the guide plate 16 is slidably connected to the inner wall of the operating table 17, a push-pull rod for movement is arranged on the front side of the guide plate 16, a through hole is opened in the middle of the guide plate 16, a placement and mounting ring 14 is fixedly connected inside the through hole, a material discharge trough 15 is opened in the middle of the placement and mounting ring 14 and the guide plate 16, and the placement and mounting ring 14 is used to adapt to the installation of products of different sizes.

[0037] Specifically, by first pulling out the guide plate 16 and sliding it out under the limit of the operating table 17 and the shell 1, the stability of the guide plate 16 during movement can be ensured during use. By placing the material on the upper side of the mounting ring 14, the guide plate 16 is pushed back at this time, and then the hydraulic cylinder 2 is started to drive the lower pressure plate 3 for processing. By placing the mounting ring 14, it can adapt to the installation of products of different sizes. The mounting ring 14 also plays a role of pre-positioning to prevent the product from shaking during processing. During use, it can be used for fast loading, and the guide plate 16 must be pulled out and reset during loading. During use, the convenience of loading can be further increased, and at the same time, the operator's distraction causing mechanical injuries can be avoided.

[0038] Please see attached Figure 5 and attached Figure 6 The lower surface of the operating table 17 is fixedly connected with a return spring 18, the outer wall of the return spring 18 is slidably connected to the outer wall of the limiting slide rod 4, the bottom end of the return spring 18 is fixedly connected to the upper surface of the support platform 19, the tooth end of the first rack plate 6 is meshingly connected with the gear body 7, the outer wall of the gear body 7 is rotatably connected to the limiting slide plate 8, the tooth end of the gear body 7 is meshingly connected with the second rack plate 9, the outer wall of the second rack plate 9 is fixedly connected with a clamping rod 10, the outer wall of the clamping rod 10 is fixedly connected to the limiting sleeve 11, the outer wall of the limiting sleeve 11 is fixedly connected with an ejection spring 12, the right outer wall of the ejection spring 12 is fixedly connected with a centering ejector rod 13, and the outer wall of the ejection spring 12 is slidably connected to the inner wall of the limiting sleeve 11.

[0039] Specifically, after the lower pressure plate 3 descends and contacts the material through the pressing sleeve 5, the lower pressure plate 3 drives the operating table 17 to be pressed down. While the operating table 17 compresses the reset spring 18, the drilling of the material is completed through the drilling assembly. At the same time, during the process of the lower pressure plate 3 being pressed down, the gear body 7 is driven to rotate through the first rack plate 6, and then the gear body 7 drives the second rack plates 9 on both sides to drive the clamping rod 10 to move toward the middle, so that the material can be centered during use. During use, the centering push rod 13 is driven to move forward through the limit sleeve 11 and the ejection spring 12. During use, the limit sleeve 11 and the ejection spring 12 form a limit, and the material is centered through the centering push rod 13. During use, the centering push rod 13 slides inside the limit sleeve 11, so that it can be used as a flexible clamp during use, which can avoid the effect of being unable to center due to changing materials of different sizes.

[0040] Please see attached Figure 1 The outer wall of the lower pressure plate 3 is fixedly connected with a protective door 33, and the outer wall of the protective door 33 is slidably connected to the inner wall of the shell 1. A sealing groove is opened on the front inner wall of the shell 1, and the outer wall of the protective door 33 is slidably connected to the inside of the sealing groove.

[0041] Specifically, the lower pressure plate 3 will drive the protective door 33 to descend during the descending process. When the guide plate 16 is reset, the lower pressure plate 3 is pressed down for processing. Then, the loading area is closed by the protective door 33, which can not only prevent debris from splashing out and causing pollution to the external environment, but also prevent the machine from hurting people.

[0042] Please see attached Figure 1 , Figure 6 and Figure 7 The cleaning assembly includes a rotating handle 23, the outer wall of which is rotatably connected to the lower inner wall of the housing 1, and the outer wall of which is fixedly connected to a half gear 24, and the half gear 24 is longitudinally arranged in a group of upper and lower parts. The inner wall of the upper half gear 24 is fixedly connected to a driving rod 25, and the outer wall of the driving rod 25 is fixedly provided with a connecting rod 26, and the inner wall of the connecting rod 26 is rotatably connected to a fixing plate 27, and the inner wall of the right connecting rod 26 is rotatably connected to the outer wall of the rotating handle 23, and the outer wall of the driving rod 25 is rotatably connected to the inner wall of the housing 1. The outer wall of the fixing plate 27 is fixedly connected to a push plate 28, and the lower surface of the push plate 28 is slidably connected to the inner bottom wall of the housing 1, and the rear outer wall of the push plate 28 is rotatably connected to a limiting column 29. The outer wall of the limit column 29 is rotatably connected with an opening and closing rod 30, and the opening and closing rod 30 is provided with two groups and is rotatably connected to the outer wall of the limit column 29 in an up-and-down staggered manner. The outer wall of the opening and closing rod 30 is rotatably connected with a door panel 31, and the door panel 31 is provided with two groups distributed on the left and right sides of the shell 1. The rear side of the door panel 31 is rotatably connected with a rotating shaft, and the rotating shaft is rotatably connected to the inner wall of the shell 1. The inner wall of the rear bottom of the shell 1 is provided with a material collection groove, and the material collection groove is used to centrally process the processed debris.

[0043] Specifically, the two sets of half gears 24 are driven to rotate by rotating the handle 23, and the driving rod 25 is driven by the half gear 24. At the same time, the handle 23 and the driving rod 25 are driven to drive the connecting rod 26 to expand or merge the connecting rod 26. During use, the fixing plate 27 and the push plate 28 can be driven by the connecting rod 26 to extend or retract on the bottom inner wall of the shell 1. During use, the interior of the shell 1 has a collecting function. The debris accumulated at the bottom can be cleaned up during the extension of the push plate 28. At the same time, the limit column 29 and the opening and closing rod 30 are driven to extend forward by the push plate 28, and the door panel 31 and the limit column 27 are moved forward. The lower opening and closing rod 30 of the limit position 29 rotates, so that the debris can be cleaned during the cleaning process during use. During use, the debris will fall into the collection box 32 through the material collection groove opened at the bottom of the shell 1 for collection. During use, it can greatly reduce the maintenance and cleaning time, and further centralize the debris to prevent pollution to the environment. At the same time, the internal structure of the push plate 28 will not be contaminated by waste chips due to the failure of the push plate 28 to be reset, because the door panel 31 needs to be closed during processing, and closing the door panel 31 requires resetting the push plate 28.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An inverted single-axis hydraulic drilling machine, comprising a housing (1), characterized in that: The upper inner wall of the shell (1) is fixedly connected to a hydraulic cylinder (2), the output end of the hydraulic cylinder (2) is fixedly provided with a lower pressure plate (3), the inner wall of the lower pressure plate (3) is slidably connected to a limiting slide bar (4), the top end of the limiting slide bar (4) is fixedly connected to the inner top wall of the shell (1), the lower surface of the lower pressure plate (3) is fixedly connected to a pressing sleeve (5), the lower surface of the lower pressure plate (3) is fixedly connected to a first rack plate (6), the outer wall of the first rack plate (6) is slidably connected to an operating table (17), a loading assembly is arranged inside the operating table (17), the bottom end of the limiting slide bar (4) is fixedly connected to a support platform (19), the middle part of the support platform (19) is fixedly provided with a drilling assembly, a cleaning assembly is arranged inside the lower side of the shell (1), and a collecting box (32) is arranged on the lower surface of the shell (1).

2. The inverted single-axis hydraulic drilling machine according to claim 1, characterized in that: The drilling assembly comprises a connecting platform (20), the outer wall of the connecting platform (20) is fixedly connected to the inner wall of the supporting platform (19), the lower surface of the connecting platform (20) is fixedly connected to a motor (21), the output end of the motor (21) is fixedly provided with a drill rod (22), and L-shaped through holes for chip removal are provided on both sides of the middle of the connecting platform (20), and the L-shaped through holes are arranged in a matrix and distributed in the middle of the connecting platform (20) and the supporting platform (19).

3. The inverted single-axis hydraulic drilling machine according to claim 1, characterized in that: The loading assembly comprises a guide plate (16), the outer wall of which is slidably connected to the inner wall of an operating table (17), a push-pull rod for movement is arranged on the front side of the guide plate (16), a through hole is opened in the middle of the guide plate (16), a placement and mounting ring (14) is fixedly connected inside the through hole, a material discharge trough (15) is opened in the middle of the placement and mounting ring (14) and the guide plate (16), and the placement and mounting ring (14) is used to adapt to the function of installing products of different sizes.

4. The inverted single-axis hydraulic drilling machine according to claim 2, characterized in that: The lower surface of the operating table (17) is fixedly connected with a return spring (18), the outer wall of the return spring (18) is slidably connected to the outer wall of the limiting slide bar (4), the bottom end of the return spring (18) is fixedly connected to the upper surface of the support platform (19), the tooth end of the first rack plate (6) is meshingly connected with a gear body (7), the outer wall of the gear body (7) is rotatably connected to the limiting slide bar (8), the tooth end of the gear body (7) is meshingly connected with a second rack plate (9), the outer wall of the second rack plate (9) is fixedly connected with a clamping rod (10), the outer wall of the clamping rod (10) is fixedly connected to a limiting sleeve (11), the outer wall of the limiting sleeve (11) is fixedly connected with an ejection spring (12), the right outer wall of the ejection spring (12) is fixedly connected with a centering ejector rod (13), and the outer wall of the ejection spring (12) is slidably connected to the inner wall of the limiting sleeve (11).

5. The inverted single-axis hydraulic drilling machine according to claim 1, characterized in that: The outer wall of the lower pressure plate (3) is fixedly connected to a protective door (33), and the outer wall of the protective door (33) is slidably connected to the inner wall of the outer shell (1). A sealing groove is provided on the front inner wall of the outer shell (1), and the outer wall of the protective door (33) is slidably connected to the inside of the sealing groove.

6. The inverted single-axis hydraulic drilling machine according to claim 1, characterized in that: The cleaning assembly comprises a rotating handle (23), the outer wall of which is rotatably connected to the lower inner wall of the housing (1), and the outer wall of which is fixedly connected to a half gear (24), wherein the half gear (24) is longitudinally arranged in one group, one up and one down.

7. The inverted single-axis hydraulic drilling machine according to claim 6, characterized in that: The inner wall of the upper half gear (24) is fixedly connected to a driving rod (25), the outer wall of the driving rod (25) is fixedly provided with a connecting rod (26), the inner wall of the connecting rod (26) is rotatably connected to a fixing plate (27), the inner wall of the connecting rod (26) on the right side is rotatably connected to the outer wall of the rotating handle (23), and the outer wall of the driving rod (25) is rotatably connected to the inner wall of the housing (1).

8. The inverted single-axis hydraulic drilling machine according to claim 7, characterized in that: The outer wall of the fixed plate (27) is fixedly connected to a push plate (28), the lower surface of the push plate (28) is slidably connected to the inner bottom wall of the outer shell (1), and the rear outer wall of the push plate (28) is rotatably connected to a limiting column (29).

9. The inverted single-axis hydraulic drilling machine according to claim 8, characterized in that: The outer wall of the limit column (29) is rotatably connected to an opening and closing rod (30), and the opening and closing rod (30) is provided in two groups and is rotatably connected to the outer wall of the limit column (29) in an up-and-down staggered manner. The outer wall of the opening and closing rod (30) is rotatably connected to a door panel (31), and the door panel (31) is provided in two groups and is distributed on the left and right sides of the outer shell (1).

10. The inverted single-axis hydraulic drilling machine according to claim 9, characterized in that: The rear side of the door panel (31) is rotatably connected to a rotating shaft, and the rotating shaft is rotatably connected to the inner wall of the outer shell (1). The inner wall of the rear bottom of the outer shell (1) is provided with a material collection groove, and the material collection groove is used to centrally process the processed debris.