A special hinge shaft reversing clamp for drilling machine

Abstract

The utility model discloses a hinge shaft head change anchor clamps special for drilling machine, include: workstation, set up in the fixed base of workstation lateral wall, the rotary mechanism of casing in fixed base, set up in the rotary disc of rotary mechanism, horizontal through rotary disc, be used for with the fixed base joint of positioning bolt, set up in the support sliding block of rotary disc upper and lower end, with the abutment of hinge shaft end face of waiting and processing, set up in the positioning block of rotary disc lateral wall, one end is connected positioning block, the transmission screw of another end through support sliding block, the first drive assembly of casing in transmission screw top end, with support sliding block abutment, set up in the mounting base of rotary disc lateral wall, set up in the second drive assembly of mounting base, casing in the radial pressing plate of second drive assembly, the utility model discloses technical scheme, it can turn over workpiece, reduce the clamping times of workpiece, can improve the processing efficiency of workpiece while guaranteeing the processing quality.

Description

Technical Field

[0001] This utility model relates to the field of machining fixture technology, and more specifically, to a hinge shaft turning fixture for a crane drilling machine. Background Technology

[0002] A hinge shaft is a type of shaft in mechanical devices used to connect two components and allow them to rotate relative to each other about the shaft. Currently, hinge shafts are generally machined by turning on machine tools, but some types of hinge shafts, such as... Figure 8 As shown, oil holes need to be machined on both ends of the hinge shaft, so the workpiece needs to be flipped during machining. In the prior art, when machining this type of hinge shaft, flipping and turning the hinge shaft requires the worker to remove the workpiece from the drilling machine table, then use a hoisting device to flip it, and then reclamp it. This undoubtedly increases the time for manual disassembly and flipping, resulting in low machining efficiency. Furthermore, the process of flipping the hinge shaft using equipment can easily damage the workpiece surface, affecting the workpiece quality.

[0003] Therefore, how to provide a special hinge shaft turning fixture for drilling machines that can flip the workpiece, reduce the number of workpiece clamping operations, and improve the workpiece processing efficiency while ensuring processing quality has become a technical problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides a hinge shaft turning fixture for drilling machines, which can flip the workpiece, reduce the number of times the workpiece is clamped, and improve the workpiece processing efficiency while ensuring processing quality.

[0005] The technical solution provided by this utility model is as follows:

[0006] This utility model provides a hinge shaft reversing fixture for drilling machines, comprising: a worktable; a fixed base disposed on the side wall of the worktable; a rotary mechanism sleeved on the fixed base; a rotary disk disposed on the rotary mechanism; a positioning pin horizontally penetrating the rotary disk for engaging with the fixed base; a support slider disposed at the upper and lower ends of the rotary disk and abutting against the end face of the hinge shaft to be processed; the support slider being movably connected to the rotary disk; a positioning block disposed on the side wall of the rotary disk; a transmission screw connected at one end to the positioning block and penetrating through the support slider at the other end; a first drive assembly sleeved on the top end of the transmission screw and abutting against the support slider; a mounting seat disposed on the side wall of the rotary disk; a second drive assembly disposed on the mounting seat; and a radial pressure plate sleeved on the second drive assembly and abutting against the side of the hinge shaft to be processed.

[0007] Furthermore, in a preferred embodiment of this utility model, the first drive assembly includes:

[0008] A locking nut that is fitted onto the top of the transmission screw and abuts against the support slider;

[0009] A force-applying rod fitted onto the locking nut.

[0010] Furthermore, in a preferred embodiment of this invention, the second drive assembly includes:

[0011] A limiting screw rod is provided on the mounting base and threadedly connected to the mounting base;

[0012] The radial pressure plate is sleeved on the limiting screw;

[0013] A support spring is sleeved on the limiting screw, with one end abutting the mounting base and the other end abutting the radial pressure plate;

[0014] The handwheel is located at the top of the limiting screw and abuts against the radial pressure plate.

[0015] Furthermore, in a preferred embodiment of this utility model, the side wall of the workbench is provided with a T-shaped groove;

[0016] The T-shaped groove is provided with a T-shaped bolt for connecting to the fixed base.

[0017] Furthermore, in a preferred embodiment of this utility model, multiple T-slots are provided;

[0018] The multiple T-shaped grooves are arranged parallel to each other, with a predetermined distance between adjacent T-shaped grooves;

[0019] The T-bolt is slidably engaged with the T-slot.

[0020] Furthermore, in a preferred embodiment of this utility model, the fixing base includes:

[0021] The base body is set on the side wall of the workbench;

[0022] The central shaft is mounted on the base body and connected to the rotary mechanism.

[0023] Furthermore, in a preferred embodiment of this utility model, the base body is provided with positioning holes;

[0024] One end of the positioning pin passes horizontally through the rotary table and is movably engaged with the positioning hole.

[0025] Furthermore, in a preferred embodiment of this invention, the rotary mechanism is specifically a rotary bearing.

[0026] Furthermore, in a preferred embodiment of this invention, the support slider comprises:

[0027] An axial pressure plate is disposed at the upper and lower ends of the rotary table and abuts against the end face of the hinge shaft to be processed.

[0028] Limiting sliders are symmetrically arranged on both sides of the axial pressure plate and are slidably connected to the side of the rotary table.

[0029] Furthermore, in a preferred embodiment of this utility model, the axial pressure plate is provided with a machining through hole; the machining through hole is directly opposite the end face of the hinge shaft to be machined.

[0030] This utility model provides a hinge shaft reversing fixture for drilling machines, comprising: a worktable; a fixed base disposed on the side wall of the worktable; a rotary mechanism sleeved on the fixed base; a rotary disk disposed on the rotary mechanism; a positioning pin horizontally penetrating the rotary disk for engaging with the fixed base; a support slider disposed at the upper and lower ends of the rotary disk and abutting against the end face of the hinge shaft to be processed; the support slider being movably connected to the rotary disk; a positioning block disposed on the side wall of the rotary disk; a transmission screw connected at one end to the positioning block and penetrating through the support slider at the other end; a first drive assembly sleeved on the top end of the transmission screw and abutting against the support slider; a mounting seat disposed on the side wall of the rotary disk; a second drive assembly disposed on the mounting seat; and a radial pressure plate sleeved on the second drive assembly and abutting against the side of the hinge shaft to be processed.The drilling machine-specific hinge shaft turning fixture disclosed in this utility model comprises a worktable, a fixed base, a rotary mechanism, a positioning pin, a support slider, a positioning block, a transmission screw, a first drive assembly, a mounting base, a radial pressure plate, and a second drive assembly. The worktable is mounted on the drilling machine, specifically below the radial drilling arm, and is used to fix the entire hinge shaft turning fixture while adjusting its height according to processing requirements. The fixed base, rotary mechanism, rotary table, and positioning pin combine to form a fixture rotation assembly, which is mounted on the side of the hinge shaft to be processed for rotating the workpiece. The fixed base is mounted on the worktable. On the side of the table, the rotary table is mounted on the fixed base via the rotary mechanism, and the hinge shaft to be processed is mounted on the rotary table. Workpiece processing is performed on the rotary table. Based on the rotary mechanism, the rotary table can rotate around the central axis of the fixed base, allowing the hinge shaft to be rotated and turned, thus meeting the workpiece turning processing requirements. Regarding the position limitation of the hinge shaft to be processed, in the technical solution of this application, two clamping assemblies are provided to clamp and limit the hinge shaft to be processed. Specifically, the support slider, positioning block, transmission screw, and the first drive assembly combine to form a first clamping assembly, which clamps and limits the position of the hinge shaft to be processed. The clamping assembly is positioned at both ends of the rotary table to abut against the end face of the hinge shaft to be processed, thereby axially clamping the hinge shaft. The support slider is installed at both ends of the rotary table and is slidably connected to it. The positioning block is installed on the side wall of the rotary table. The transmission screw is vertically mounted on the positioning block, which is parallel to the rotary table. The bottom end of the transmission screw is connected to the positioning block, and its top end passes through the support slider, connecting to the first drive assembly. During the operation of the first clamping assembly, the first drive assembly can rotate around the transmission screw, adjusting its position on the transmission screw. The bottom of the drive assembly abuts against the support slider. When the first drive assembly moves downward, it can drive the support slider to slide downward, thereby causing the support slider to abut against the end face of the hinge shaft to be processed, thus axially clamping the hinge shaft. Secondly, the mounting base, the radial pressure plate, and the second drive assembly combine to form a second clamping assembly, which is used to radially clamp the hinge shaft to be processed. The mounting base is disposed on the rotary table, the second drive assembly is connected to the mounting base, and the radial pressure plate is sleeved on the second drive assembly. Under the action of the second drive assembly, the radial pressure plate can radially approach and abut against the hinge shaft to be processed, thereby radially clamping and fixing the hinge shaft to meet the clamping requirements for workpiece processing.Therefore, the technical solution provided by this utility model, compared with the prior art, can flip the workpiece, reduce the number of times the workpiece is clamped, and improve the workpiece processing efficiency while ensuring processing quality. Attached Figure Description

[0031] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0032] Figure 1 A three-dimensional structural schematic diagram of the drilling machine-specific hinge shaft turning fixture provided in this embodiment of the utility model;

[0033] Figure 2 This is a front view of the drilling machine-specific hinge shaft turning fixture provided in an embodiment of the present utility model;

[0034] Figure 3 A top view of the drilling machine-specific hinge shaft turning fixture provided in this embodiment of the utility model;

[0035] Figure 4 A side view of the drilling machine-specific hinge shaft turning fixture provided in this embodiment of the utility model;

[0036] Figure 5 A cross-sectional view of section AA in the drilling machine-specific hinge shaft turning fixture provided in this embodiment of the utility model;

[0037] Figure 6 A schematic diagram of the installation structure of the support slider provided in an embodiment of this utility model;

[0038] Figure 7 This is a schematic diagram of the structure of the second drive assembly provided in an embodiment of the present utility model;

[0039] Figure 8 A schematic diagram of the structure of the hinge shaft to be processed provided in an embodiment of this utility model.

[0040] Explanation of reference numerals in the attached figures:

[0041] 1. Workbench; 2. Fixed base; 3. Rotary mechanism; 4. Rotary turntable; 5. Positioning pin; 6. Support slider; 601. Axial pressure plate; 602. Limit slider; 7. Positioning block; 8. Transmission screw; 9. First drive assembly; 901. Locking nut; 902. Force lever; 10. Second drive assembly; 10. Limit screw; 1002. Support spring; 1003. Handwheel disc; 11. Radial pressure plate; 12. T-slot; 13. T-bolt; 14. Positioning hole; 15. Machining through hole; 16. Mounting base. Detailed Implementation

[0042] To enable those skilled in the art to better understand the technical solutions of this utility model, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0043] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly set on the other component; when a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to the other component.

[0044] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "first", "second", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0045] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" or "several" means two or more, unless otherwise explicitly specified.

[0046] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and purposes that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0047] like Figures 1 to 8 As shown in the figure, the drilling machine-specific hinge shaft turning fixture provided in this utility model embodiment includes: a worktable 1, a fixed base 2, a rotary mechanism 3, a rotary turntable 4, a positioning pin 5, a support slider 6, a positioning block 7, a transmission screw 8, a first drive assembly 9, a mounting base 16, a second drive assembly 10, and the radial pressure plate 11.

[0048] This utility model provides a hinge shaft reversing fixture for drilling machines, specifically comprising: a worktable 1; a fixed base 2 disposed on the side wall of the worktable 1; a rotary mechanism 3 sleeved on the fixed base 2; a rotary disc 4 disposed on the rotary mechanism 3; a positioning pin 5 horizontally penetrating the rotary disc 4 for engaging with the fixed base 2; a support slider 6 disposed at the upper and lower ends of the rotary disc 4 and abutting against the end face of the hinge shaft to be processed; the support slider 6 being movably connected to the rotary disc 4; a positioning block 7 disposed on the side wall of the rotary disc 4; a transmission screw 8 connected at one end to the positioning block 7 and penetrating through the support slider 6 at the other end; a first drive assembly 9 sleeved on the top end of the transmission screw 8 and abutting against the support slider 6; a mounting seat 16 disposed on the side wall of the rotary disc 4; a second drive assembly 10 disposed on the mounting seat 16; and a radial pressure plate 11 sleeved on the second drive assembly 10 and abutting against the side of the hinge shaft to be processed. The technical solution provided by this utility model, compared with the prior art, can flip the workpiece, reduce the number of times the workpiece is clamped, and improve the workpiece processing efficiency while ensuring processing quality.

[0049] The technical solution of this utility model will be specifically described below with reference to the embodiments:

[0050] Specifically, in an embodiment of this utility model, the first drive assembly 9 includes: a locking nut 901 sleeved on the top end of the transmission screw 8 and abutting against the support slider 6; and a force-applying rod 902 sleeved on the locking nut 901.

[0051] like Figure 4 , 5As shown, in this embodiment of the present invention, the first drive assembly 9 is used to drive the support slider 6, causing the support slider 6 to approach and abut against the end face of the hinge shaft to be processed, thus clamping the hinge shaft to be processed. In this embodiment, the support slider 6, the positioning block 7, the transmission screw 8, and the first drive assembly 9 are combined to form a first clamping assembly, which axially clamps the hinge shaft to be processed. The positioning block 7 is installed on the side wall of the rotary table 4. One end of the transmission screw 8 is installed on the positioning block 7, and the other end passes through the support slider 6 and its end is connected to the first drive assembly 9. In the first drive assembly 9, the locking nut 901 is sleeved on the end of the transmission screw 8, and the bottom surface of the locking nut 901 abuts against the support slider 6. The force-applying rod 902 is sleeved on the locking nut 901 and engages with the locking nut 901. Under the action of external force, the force-applying rod 902 can drive the locking nut 901 to rotate around the transmission screw 8, thereby adjusting the position of the locking nut 901 on the transmission screw 8 and driving the support slider 6 to slide along the side of the rotary table 4, so that the support slider 6 axially clamps the hinge shaft to be processed.

[0052] Specifically, in an embodiment of this utility model, the second drive assembly 10 includes: a limiting screw 1001 disposed on the mounting base 16 and threadedly connected to the mounting base 16; a radial pressure plate 11 sleeved on the limiting screw 1001; a support spring 1002 sleeved on the limiting screw 1001, with one end abutting the mounting base 16 and the other end abutting the radial pressure plate 11; and a handwheel 1003 disposed at the top of the limiting screw 1001 and abutting the radial pressure plate 11.

[0053] like Figure 7As shown, in this embodiment of the present invention, the second drive assembly 10 consists of the limiting screw 1001, the support spring 1002, and the handwheel 1003. The second drive assembly 10 is used to drive the radial pressure plate 11, causing the radial pressure plate 11 to clamp the side of the hinge shaft to be processed. In this embodiment, the mounting base 16, the radial pressure plate 11, and the second drive assembly 10 are combined to form a second clamping assembly. The mounting base 16 is disposed on the side wall of the rotary table 4. The limiting screw 1001 is disposed on the mounting base 16 and is threadedly connected to the mounting base 16. The support spring 1002 and the radial pressure plate 11 are sequentially sleeved on the limiting screw 1001, and one end of the support spring 1002 abuts against the mounting base 16. The other end abuts against the radial pressure plate 11, supporting the radial pressure plate 11. The handwheel 1003 is installed at the top of the limiting screw 1001, and the bottom surface of the handwheel 1003 abuts against the radial pressure plate 11. The handwheel 1003 can drive the limiting screw 1001 to rotate, so that the handwheel 1003 presses the radial pressure plate 11, causing the radial pressure plate 11 to approach and abut against the side of the hinge shaft to be processed, thereby radially clamping the hinge shaft to be processed.

[0054] Specifically, in an embodiment of this utility model, a T-shaped groove 12 is provided on the side wall of the workbench 1; a T-shaped bolt 13 for connecting the fixed base 2 is provided in the T-shaped groove 12.

[0055] Specifically, in the embodiments of this utility model, multiple T-shaped grooves 12 are provided; the multiple T-shaped grooves 12 are arranged in parallel to each other, and adjacent T-shaped grooves 12 are spaced apart by a predetermined distance; the T-shaped bolts 13 are slidably engaged with the T-shaped grooves 12.

[0056] like Figure 1 , 2 As shown in this embodiment of the utility model, the fixed base 2 is installed on the worktable 1 via the T-slot 12 and the T-bolt 13; wherein, multiple T-slots 12 are arranged in parallel, and the fixed base 2 can select one of the T-slots 12 for installation according to the processing requirements. By selecting different T-slots 12 for installation, the installation height of the fixture rotation assembly can be adjusted, thereby changing the installation height of the hinge workpiece to be processed, which is convenient and quick.

[0057] Specifically, in an embodiment of this utility model, the fixed base 2 includes: a base body disposed on the side wall of the workbench 1; and a central shaft disposed on the base body and connected to the rotary mechanism 3.

[0058] Specifically, in an embodiment of this utility model, a positioning hole 14 is provided on the base body; one end of the positioning pin 5 passes horizontally through the rotary disk 4 and is movably engaged with the positioning hole 14.

[0059] like Figure 5 As shown in this embodiment of the utility model, the main structure of the fixed base 2 consists of the base body and the central shaft. The rotary mechanism 3 is sleeved on the central shaft and can rotate around the central shaft. The positioning hole 14 is provided on the base body. The positioning hole 14 is combined with the positioning pin 5 and is used to restrict the rotation of the rotary table 4 during workpiece processing. Specifically, when the end face of the hinge shaft needs to be machined with an oil hole, one end of the positioning pin 5 passes through the rotary table 4 and is inserted into the positioning hole 14, thereby restricting the rotation of the rotary table 4. When the hinge shaft workpiece needs to be turned around for processing, the end of the positioning pin 5 is pulled out from the positioning hole 14 under the action of external force. After the rotary table 4 rotates to the processing position under the action of the fixture rotation assembly, the position is similarly limited by the positioning hole 14 and the positioning pin 5.

[0060] Specifically, in the embodiments of this utility model, the rotary mechanism 3 is a rotary bearing.

[0061] Specifically, in an embodiment of this utility model, the support slider 6 includes: an axial pressure plate 601 disposed at the upper and lower ends of the rotary table 4 and abutting against the end face of the hinge shaft to be processed; and a limiting slider 602 symmetrically disposed on both sides of the axial pressure plate 601 and slidably connected to the side of the rotary table 4.

[0062] like Figure 6 As shown, in this embodiment of the present invention, the support slider 6 is slidably connected to the rotary table 4, and is used to abut and clamp the end face of the hinge shaft to be processed; in this embodiment, the main structure of the support slider 6 is composed of the axial pressure plate 601 and the limiting slider 602. The axial pressure plate 601 is installed at the end of the rotary table 4, and the limiting slider 602 is disposed at both ends of the axial pressure plate 601. The limiting slider 602 is provided with a U-shaped groove, and the side of the rotary table 4 is movably engaged in the U-shaped groove, so that the limiting slider 602 can slide with the side of the rotary table 4 as the track.

[0063] Specifically, in an embodiment of this utility model, the axial pressure plate 601 is provided with a machining through hole 15; the machining through hole 15 is directly opposite the end face of the hinge shaft to be machined.

[0064] like Figure 1 , 6As shown in this embodiment of the utility model, in order to realize the processing of the oil hole on the end face of the hinge shaft, the axial pressure plate 601 is provided with the processing through hole 15. After the hinge shaft workpiece is clamped and installed, the processing through hole 15 faces the end face of the hinge shaft, and the oil hole on the end face can be processed by using a hand drill on a drilling machine.

[0065] Specifically, in the embodiments of this utility model, the installation and use method of the drilling machine-specific hinge shaft turning fixture is as follows: First, fix the fixed base 2 to the side of the worktable 1 with T-bolts. Then, install the bearing, rotary table 4, and locking nut 901 in sequence. Next, pass the positioning pin 5 through the positioning hole 14 on the rotary table 4 and the fixed base 2 to prevent the rotary table 4 from rotating. Then, adjust the installation of the lower support slider 6 according to the length of the hinge shaft to be processed. It is necessary to ensure that when the hinge shaft is placed on the support slider 6, its center position is flush with the center position of the rotary table. Then, place the hinge shaft to be processed... Two hinge shafts are placed on the support slider 6, and then the upper support slider 6 is installed. The two ends of the hinge shaft are clamped with the lock nut 901. Finally, the handwheel 1003 is rotated and the radial pressure plate 11 is used to clamp the side of the hinge shaft to start machining the oil hole at one end of the hinge shaft. After machining, the positioning pin 5 is pulled out, the rotary table 4 is rotated 180°, and the positioning pin 5 is used to fix it to start machining the oil hole at the other end. After machining, the handwheel 1003 and the lock nut 901 are loosened, the upper support slider 6 is removed, and finally the hinge shaft is removed from the fixture. The machining of the oil hole on the end face of the hinge shaft is then completed.

[0066] As described above, the drilling machine-specific hinge shaft turning fixture provided by this utility model aims to solve the problem of low processing efficiency caused by the need for manual disassembly and reversal of the workpiece during the machining of the hinge shaft end face, which is a problem of traditional hinge shaft machining fixtures or clamping tools. The main structure of the drilling machine-specific hinge shaft turning fixture disclosed in this utility model consists of a worktable 1, a fixed base 2, a rotary mechanism 3, a positioning pin 5, a support slider 6, a positioning block 7, a transmission screw 8, a first drive assembly 9, a mounting base 16, a radial pressure plate 11, and a second drive assembly 10. The worktable 1 is mounted on the drilling machine, specifically below the radial drilling arm, and is used to fix the entire hinge shaft turning fixture while adjusting its height according to processing requirements. The fixed base 2, the rotary mechanism 3, the rotary table 4, and the positioning pin 5 combine to form the fixture rotation assembly. The fixture rotation assembly is mounted on the side of the hinge shaft to be processed, used to rotate the workpiece. The fixed base 2 is mounted on the side of the worktable 1, and the rotary table 4 is mounted on the fixed base 2 via the rotation mechanism 3. The hinge shaft to be processed is mounted on the rotary table 4, and workpiece processing is performed on the rotary table 4. Based on the rotation mechanism 3, the rotary table 4 can rotate around the central axis of the fixed base 2, allowing the rotary table 4 to rotate and thus enabling the hinge shaft to be rotated and turned, meeting the workpiece turning processing requirements. Regarding the position limitation of the hinge shaft to be processed... In this application's technical solution, two clamping assemblies are provided to clamp and limit the hinge shaft to be processed. Specifically, the support slider 6, positioning block 7, transmission screw 8, and the first drive assembly 9 are combined to form a first clamping assembly. The first clamping assembly is symmetrically arranged at the upper and lower ends of the rotary table 4, and is used to abut against the end face of the hinge shaft to be processed, thereby axially clamping the hinge shaft. The support slider 6 is installed at the upper and lower ends of the rotary table 4 and is slidably connected to the rotary table 4. The positioning block 7 is installed on the side wall of the rotary table 4, and the transmission screw 8 is vertically installed on the positioning block 7. The positioning block 7 is arranged parallel to the rotary table 4. The bottom end of the transmission screw 8 is connected to the positioning block 7, and the top end passes through the support slider 6. Its end is connected to the first drive assembly 9. During the operation of the first clamping assembly, the first drive assembly 9 can rotate around the transmission screw 8, so that the position of the first drive assembly 9 on the transmission screw 8 is adjusted and changed. The bottom of the first drive assembly 9 abuts against the support slider 6. When the first drive assembly 9 moves downward, it can drive the support slider 6 to slide downward, so that the support slider 6 abuts against the end face of the hinge shaft to be processed, and axially clamps the hinge shaft.Secondly, the mounting base 16, the radial pressure plate 11, and the second drive assembly 10 combine to form a second clamping assembly for radially clamping the hinge shaft to be processed. The mounting base 16 is disposed on the rotary table 4, the second drive assembly 10 is connected to the mounting base 16, and the radial pressure plate 11 is sleeved on the second drive assembly 10. Under the action of the second drive assembly 10, the radial pressure plate 11 can radially approach and abut against the hinge shaft to be processed, thereby radially clamping and fixing the hinge shaft, meeting the clamping requirements for workpiece processing. Therefore, the technical solution provided by this utility model, compared with the prior art, can flip the workpiece, reduce the number of workpiece clamping operations, and improve workpiece processing efficiency while ensuring processing quality.

[0067] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A hinge shaft reversing fixture specifically for drilling machines, characterized in that, include: Workbench; A fixed base is provided on the side wall of the workbench; A rotary mechanism fitted onto the fixed base; A rotary table is mounted on the rotary mechanism; A positioning pin that extends horizontally through the rotary table and is used to engage with the fixed base; Support sliders are disposed at the upper and lower ends of the rotary table and abut against the end face of the hinge shaft to be processed. The support slider is movably connected to the rotary table; Positioning blocks are provided on the side wall of the rotary table; One end is connected to the positioning block, and the other end passes through the transmission screw of the supporting slider; A first drive assembly sleeved on the top of the transmission screw and abutting against the support slider; Mounting base provided on the side wall of the rotary table; A second drive assembly is mounted on the mounting base; A radial pressure plate fitted onto the second drive assembly and abutting against the side of the hinge shaft to be processed.

2. The drilling machine-specific hinge shaft reversing fixture according to claim 1, characterized in that, The first drive assembly includes: A locking nut that is fitted onto the top of the transmission screw and abuts against the support slider; A force-applying rod fitted onto the locking nut.

3. The drilling machine-specific hinge shaft reversing fixture according to claim 2, characterized in that, The second drive assembly includes: A limiting screw rod is provided on the mounting base and threadedly connected to the mounting base; The radial pressure plate is sleeved on the limiting screw; A support spring is sleeved on the limiting screw, with one end abutting the mounting base and the other end abutting the radial pressure plate; The handwheel is located at the top of the limiting screw and abuts against the radial pressure plate.

4. The drilling machine-specific hinge shaft reversing fixture according to claim 1, characterized in that, The workbench sidewall is provided with a T-shaped groove; The T-shaped groove is provided with a T-shaped bolt for connecting to the fixed base.

5. The drilling machine-specific hinge shaft reversing fixture according to claim 4, characterized in that, Multiple T-slots are provided; The multiple T-shaped grooves are arranged parallel to each other, and adjacent T-shaped grooves are spaced apart by a predetermined distance; The T-bolt is slidably engaged with the T-slot.

6. The drilling machine-specific hinge shaft reversing fixture according to claim 1, characterized in that, The fixed base includes: The base body is set on the side wall of the workbench; The central shaft is mounted on the base body and connected to the rotary mechanism.

7. The drilling machine-specific hinge shaft reversing fixture according to claim 6, characterized in that, The base body is provided with positioning holes; One end of the positioning pin passes horizontally through the rotary table and is movably engaged with the positioning hole.

8. The drilling machine-specific hinge shaft reversing fixture according to claim 1, characterized in that, The rotary mechanism is specifically a rotary bearing.

9. The drilling machine-specific hinge shaft reversing fixture according to claim 1, characterized in that, The support slider includes: An axial pressure plate is disposed at the upper and lower ends of the rotary table and abuts against the end face of the hinge shaft to be processed; Limiting sliders are symmetrically arranged on both sides of the axial pressure plate and are slidably connected to the side of the rotary table.

10. The drilling machine-specific hinge shaft reversing fixture according to claim 9, characterized in that, The axial pressure plate is provided with machined through holes; The machining through hole is directly opposite the end face of the hinge shaft to be machined.

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