CN210498462U

CN210498462U - Square hole drilling machine

Info

Publication number: CN210498462U
Application number: CN201921415421.5U
Authority: CN
Inventors: 吴善旺
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-05-12
Anticipated expiration: 2029-08-28

Abstract

The utility model provides a square hole punching machine belongs to mechanical technical field. The problem of how to improve slope square hole machining efficiency is solved. This square hole machine of beating includes frame, centre gripping subassembly and a plurality of square hole drill bit, is equipped with the regulation seat that is the bar in the frame, is equipped with the planker translation structure that can make the regulation seat form three-dimensional translation for the centre gripping subassembly between regulation seat and the frame, adjusts the setting of seat level and rotates to be connected on planker translation structure, and the square hole drill bit links firmly on adjusting the seat, is equipped with the regulation structure that drives the regulation seat rotation in order to adjust the square hole drill bit direction on planker translation structure. Through the design, the angle of the square hole drill bit can be directly changed, so that the inclination direction of the square hole drill bit is consistent with the inclination direction of the square hole to be processed, the automatic processing of the inclined square hole can be carried out on a workpiece through an inclined feeding mode, the processing efficiency is greatly improved, and the processing precision is improved.

Description

Square hole drilling machine

Technical Field

The utility model belongs to the technical field of machinery, a punch a square hole machine is related to.

Background

A punch refers to a general term for machines and apparatuses that leave a cylindrical hole or hole in an object by means of rotary cutting or rotary pressing using a tool harder and sharper than the object. In the wood manufacturing industry, in the wood processing process, square holes are processed on wood through an automatic punching machine, so that the components can be conveniently spliced and assembled.

As in chinese patent [ application number: 201610399327.X ] discloses a CNC square hole drill for a plank, comprising a frame, a plank clamping table connected to the frame via a slide rail; a servo motor is arranged on the frame; a motor shaft of the servo motor is connected with a ball screw, and the ball screw is connected with the wood board clamping table; the wood board clamping table is connected with a pressing air cylinder through a connecting frame, and a linear guide rail is arranged on the rack; the linear guide rail is connected with a main shaft motor fixing plate; the spindle motor fixing plate is movable relative to the frame; the spindle motor fixing plate is connected with a spindle motor through a sliding rail; and a motor shaft of the spindle motor is connected with a square-head drill bit through a drill bit holder.

In the prior art, due to the particularity of square hole machining, when the square hole is machined, a round hole is machined by rotary cutting, and then the square hole is machined by extrusion cutting on the basis of the round hole, so that when the square hole is machined, the requirement on the feeding of a drill bit of a drilling machine is very good, and if the feeding has deviation or deflection, the machining precision is influenced; therefore, the conventional square hole drilling machine as disclosed above can generally be used only for machining square holes whose feeding direction coincides with the machining direction, that is, for machining square holes arranged in the vertical direction or the horizontal direction; when the inclined hole which is not consistent with the feeding direction needs to be machined, the traditional square hole drilling machine cannot complete the drilling work. Therefore, a worker in the field usually uses a pistol drill to cooperate with an auxiliary positioning tool to process the inclined square hole, the whole processing process completely depends on the skill level of an operator, the workload and the working difficulty of the operator are very high, the drilling quality cannot be guaranteed, and the drilling efficiency is very low.

In order to improve the efficiency of punching the inclined square hole, based on the structural design of the existing punching machine, conventional technical means which are easily conceivable by those skilled in the art are: firstly, the clamping angle of a processing workpiece on a clamp is changed to enable the processing workpiece to be inclined and fixed, so that the feeding direction of the existing punching machine is consistent with the punching direction, and a square hole drill bit on the punching machine only needs to perform normal translation motion to realize the processing of an inclined square hole; secondly, through improving current anchor clamps structure for the anchor clamps structure can take centre gripping work piece to rotate, changes the centre gripping angle of centre gripping work piece with this, thereby makes current puncher direction of feed unanimous with the direction of punching, and then has realized the processing of slope square hole.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a square hole punching machine, the utility model provides a technical problem be how to improve the machining efficiency in slope square hole.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a drilling machine, includes frame, centre gripping subassembly and a plurality of square hole drill bit, the square hole drill bit is including being square shaft-like and inside hollow drill bit one and setting up drill bit two in drill bit one, its characterized in that is equipped with the regulation seat that is the bar in the frame, it can make the planker translation structure of adjusting the seat and forming three-dimensional translation for the centre gripping subassembly to adjust to be equipped with between seat and the frame, it sets up and rotates to adjust the seat level and connects the planker translation is structural, the square hole drill bit links firmly on adjusting the seat the planker translation is structural to be equipped with the regulation structure that drives the regulation seat and rotate in order to adjust the square hole drill bit direction.

In this square hole drilling machine, through the above-mentioned cooperation design of adjusting seat, planker translation structure and regulation structure for the square hole drill bit can directly be done with the unanimous action of feeding of waiting to process square hole incline direction, thereby realizes the processing of slope square hole, and its concrete theory of operation is as follows: when an inclined square hole needs to be machined, a workpiece is clamped on the clamping assembly only, the adjusting seat is horizontally arranged and is rotatably connected to the carriage translation structure, and the square hole drill bit is fixedly connected to the adjusting seat, namely, under the adjustment of the adjusting structure, the adjusting seat can drive the square hole drill bit to rotate, so that the direction of the square hole drill bit is changed, the direction of the square hole drill bit is consistent with the inclined direction of the square hole to be machined, then the square hole drill bit can do three-dimensional translation motion relative to the workpiece through the carriage translation structure, and the square hole drill bit can perform inclined feeding action, and further the machining of the inclined square hole is realized; the above-mentioned theory of operation of analysis can know, be different from current conventional technical means, this squaring machine need not to change original anchor clamps structure, need not to change the centre gripping angle of work piece promptly, this squaring machine can directly change the angle of square hole drill bit through above design to the mode of feeding through the slope is to the square spot facing work that inclines of work piece, just so avoided the clamping to adjust error and the waste of clamping time that the location was brought repeatedly when the work piece angle, that is to say, this squaring machine has improved the machining efficiency in slope square hole through better mode, and further improved the machining precision.

In foretell square hole drilling machine, adjust the structure and include accommodate motor and the runner that links firmly with adjusting the seat, accommodate motor can drive the runner and rotate. Through the design, under the drive of the adjusting motor, the angle of the square hole drill bit fixedly connected to the adjusting seat can be automatically adjusted, and the improvement of the processing efficiency is facilitated. In addition, a synchronous belt or gear transmission can be adopted between the adjusting motor and the rotating wheel, or a motor shaft is directly and fixedly connected with the rotating wheel.

Alternatively, the adjusting motor in the adjusting structure can be replaced by a rotary cylinder.

In the square hole drilling machine, the carriage translation structure comprises a vertical carriage which is connected to the rack in a sliding mode along the vertical direction and a longitudinal transverse carriage which is connected to the rack in a sliding mode along the horizontal longitudinal direction, the clamping assembly is arranged on the longitudinal transverse carriage in a sliding mode along the horizontal transverse direction, and the adjusting seat is connected to the vertical carriage in a rotating mode. Through above design for adjust the seat and can be for doing three-dimensional translational motion in vertical direction, horizontal, the vertical three dimension of level between the centre gripping subassembly, with this make this square holing machine can carry out slope feed motion, thereby realize the high efficiency processing in slope square hole. As another scheme, the carriage translation structure may also adopt a structure including a vertical carriage slidably connected to the frame in the vertical direction, a transverse carriage slidably connected to the vertical carriage in the horizontal transverse direction, and a longitudinal carriage slidably connected to the frame in the horizontal longitudinal direction, wherein the clamping assembly is disposed on the longitudinal carriage, and the adjusting seat is rotatably connected to the transverse carriage.

In foretell square hole drilling machine, the square hole drill bit still includes drilling motor and fixing base, the drilling motor is worn to establish and is fixed in adjusting the seat, the fixing base links firmly with adjusting the seat, drill bit one links firmly with the fixing base, drill bit two is the round hole drill bit, drill bit two rotate connect in drill bit one and with the pivot of drilling motor link firmly. The hole drilling bit is formed by combining a first drilling bit and a second drilling bit, the second drilling bit performs rotary cutting action to drill a round hole, and simultaneously the first drilling bit is synchronously matched with the second drilling bit to perform extrusion cutting action, and a square hole is finally machined by matching the first drilling bit and the second drilling bit; that is to say, this square hole machine of beating has just realized square spot facing work through a drill bit, need not to trade the drill bit or carry out the repeated feeding action to machining efficiency has been improved.

In foretell squaring hole machine, the inside cavity of fixing base, a pot head of fixing base is established outside the pivot of drilling motor and is fixed on adjusting the seat, first drill bit wears to establish and links firmly on the other end of fixing base, second drill bit penetrates in the fixing base and links firmly with the pivot of drilling motor, set up the inside and external installing port of intercommunication fixing base on the fixing base outer wall. Through the structural design of the fixing seat, on one hand, the square hole drill bit can be stably installed; on the other hand, the square hole drill bit is more convenient to maintain and replace, so that maintenance and replacement time is saved, and machining efficiency is improved.

In the square hole drilling machine, the square hole drills are distributed at intervals along the length direction of the adjusting seat and are all located on the same side wall of the adjusting seat. Through the design, a plurality of inclined square holes can be processed simultaneously by the square hole drilling machine, and therefore the processing efficiency of the square hole drilling machine is improved.

In the square hole drilling machine, the frame corresponding to each end of the adjusting seat is fixed with vertical slide rails, the vertical planker is provided with two vertical slide rails which are respectively connected with the corresponding vertical slide rails in a sliding manner, the frame is provided with a driving device which is connected with the vertical planker and is used for driving the vertical planker to move up and down, the frame is provided with two supporting pieces which are arranged at intervals and are used for supporting the vertical planker, the two supporting pieces can move relative to the frame, and the parts of the two supporting pieces, which are used for supporting the vertical planker, can be kept at the same height. When adjusting the seat and appearing the horizontal unbalance problem and need maintain, in this square hole machine, its maintenance operation process is as follows: maintenance personnel only need to control the adjusting seat to slide relative to the rack and descend to the supporting piece, the supporting piece can provide support for the vertical planker connected with the adjusting seat, so that the adjusting seat provided with the square-hole drill and heavy in weight and large in size does not need to be dismounted, and the maintenance personnel only need to dismount the driving device, and therefore maintenance procedures are simplified, and convenience in maintenance is improved; moreover, the supporting piece can move relative to the rack and enables the part for supporting the vertical planker to be kept at the same horizontal height, namely, the supporting piece can also play a role in leveling the adjusting seat, particularly, when the rack, the adjusting seat and other components are not deformed, the supporting piece can be used as a horizontal positioning reference of the adjusting seat after the adjusting seat is assembled and debugged to be kept horizontal before the square hole drilling machine leaves a factory, and therefore, when the adjusting seat needs to be maintained at a later stage, the vertical planker can be automatically leveled only by being placed on the supporting piece, and the convenience of maintenance is greatly improved; when parts such as a rack and the like deform and the supporting piece cannot be used as a positioning reference, the supporting part is controlled to move, so that the supporting part is kept at the same horizontal height, and the adjusting seat can be leveled; in other words, under the two situations, maintenance personnel can realize the leveling of the adjusting seat without the assistance of an additional level ruler, so that the convenience of maintenance and leveling operation is greatly improved; when the leveling of the adjusting seat is finished, the driving device is replaced again or reinstalled, so that the problem of horizontal unbalance of the adjusting seat can be solved; analyzing the maintenance process can know that the problem of maintenance is needed due to the fact that the horizontal unbalance of the adjusting seat is unbalanced, through the design of the supporting pieces, the adjusting seat does not need to be detached during maintenance, and the adjusting seat is convenient to level, so that maintenance operation of the square hole drilling machine can be completed by only one maintenance worker, and the machining efficiency of the square hole drilling machine is greatly improved.

In the above-mentioned squaring hole machine, the two support members are respectively located below two ends of the adjusting seat. Through the arrangement design of the positions of the supporting pieces, the supporting pieces are more labor-saving when adjusting the levelness of the adjusting seat, and the processing efficiency is improved.

In the square hole drilling machine, the vertical planker is fixed with bearing blocks corresponding to the supporting pieces one by one, the supporting pieces can be abutted against the bearing blocks, and the contact surfaces of the bearing blocks and the supporting pieces are parallel to the horizontal plane. Through the design of above bearing block, the contact surface on the bearing block can adopt the finish machining, and itself possesses good levelness, when support piece carries out the leveling operation, can make the regulation seat leveling more fast like this, is favorable to improving machining efficiency.

In the square hole drilling machine, the supporting piece is an adjusting screw, the frame is fixed or integrally formed with a supporting block, the adjusting screw is located below the vertical planker and penetrates through the vertical direction and is in threaded connection with the supporting block, and the adjusting screw can be supported on the vertical planker. Through the design of the supporting piece, the part for supporting the vertical planker is the end part of the adjusting screw, the supporting and leveling of the adjusting seat can be realized only by controlling the rotation of the adjusting screw, the operation is very simple, and the convenience of maintenance operation is improved. In addition, it should be noted that, during the design, the position arrangement of the supporting block is located outside the moving stroke of the driving device for driving the adjusting seat to move, that is, after the maintenance of the horizontal unbalance of the adjusting seat is completed, the supporting block cannot block the movement of the adjusting seat during normal operation, and the engraving and milling machine can normally operate only by controlling the adjusting screw to withdraw from the position outside the moving stroke of the adjusting seat. Alternatively, the support member may be an air cylinder, an oil cylinder, or a telescopic rod of a linear motor.

In foretell squaring hole machine, drive arrangement is including linking firmly in the frame and being used for installing driving motor's motor mount pad, have the recess that corresponds with motor mount pad position in the frame, the last shoulder that extends to the recess that has of motor mount pad, the shoulder is located the recess and can hang on the lower extreme diapire of recess. Through the matching design of the groove and the convex shoulder of the motor mounting seat, when the motor mounting seat is hung on the rack temporarily through the convex shoulder in the dismounting process, a maintainer can vacate hands to carry out dismounting operation on other parts of the driving device, and therefore convenience in maintenance operation is facilitated to be improved, maintenance time is saved, and machining efficiency is improved.

In the square hole drilling machine, the groove is formed in the vertical direction, and the upper end of the groove penetrates through the rack; the rack is hollow, and the groove is communicated with the inside of the rack. Through the design, the motor mounting seat can be directly installed in or taken out from the upper end of the groove, so that convenience in maintenance operation is improved, maintenance time is saved, and machining efficiency is improved.

In the square hole drilling machine, the driving device further comprises a driving motor fixedly connected with the upper end of the motor mounting seat, a screw rod rotatably connected to the lower end of the motor mounting seat, and a nut seat fixedly connected with the vertical planker and in threaded transmission with the screw rod, wherein a motor shaft of the electric driving machine is fixedly connected with the screw rod. Alternatively, the driving device is a hydraulic cylinder or an air cylinder, and a piston rod of the hydraulic cylinder or the air cylinder is connected with the adjusting seat.

Compared with the prior art, the square hole drilling machine has the following advantages:

1. the square hole drilling machine can directly change the angle of the square hole drill bit through the matching design of the adjusting seat, the dragging plate translation structure and the adjusting structure, so that the inclination direction of the square hole drill bit is consistent with that of a square hole to be processed, and the workpiece can be automatically processed in an inclined feeding mode, so that the processing efficiency is greatly improved, and the processing precision is improved;

2. this square hole machine of beating passes through support piece's arrangement design for the regulation seat of carving mills the maintenance in-process after the level unbalance need not to demolish, and the leveling is convenient, thereby has improved the convenience of maintenance operation greatly.

Drawings

Fig. 1 is a schematic view of the entire structure of the square hole punching machine.

Fig. 2 is a schematic structural view of a portion where an adjusting seat is located in the square hole drilling machine.

FIG. 3 is a schematic structural view of a portion of the present squaring hole machine where the support is located.

Fig. 4 is a schematic structural view of a driving device portion in the present squaring hole machine.

Fig. 5 is a schematic structural view of a square hole drill and an adjusting seat in the square hole drilling machine.

Fig. 6 is a partial sectional structural schematic view of a square hole drill in the present square hole drilling machine.

In the figure, 1, a frame; 2. a clamping assembly; 3. a square hole drill; 31. a drilling motor; 32. a fixed seat; 32a, a mounting port; 321. a connecting flange; 322. locking the screw; 33. a first drill bit; 34. a second drill bit; 4. an adjusting seat; 5. adjusting the motor; 6. a rotating wheel; 7. a vertical planker; 8. a longitudinal transverse carriage; 9. a vertical slide rail; 10. a drive device; 11. a support member; 12. a support block; 13. a motor mounting seat; 131. a shoulder is formed; 14. a groove; 15. a screw rod; 16. a nut seat; 17. the motor is driven.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

The first embodiment is as follows:

specifically, as shown in fig. 1, the square hole drilling machine includes a frame 1, a clamping assembly 2 and a plurality of square hole drills 3, wherein the clamping assembly 2 is used for clamping a workpiece and has an existing structure. Be equipped with on frame 1 and be the regulation seat 4 that the bar level set up, square hole drill bit 3 links firmly on adjusting seat 4 and the axis is perpendicular with the direction of arranging of adjusting seat 4, and square hole drill bit 3 just all is located the same lateral wall of adjusting seat 4 along the length direction interval distribution of adjusting seat 4. The adjusting seat 4 is provided with a carriage translation structure which can enable the adjusting seat 4 to form three-dimensional translation relative to the clamping component 2 between the adjusting seat 4 and the frame 1, the adjusting seat 4 is rotatably connected to the carriage translation structure, and the carriage translation structure is provided with an adjusting structure which drives the adjusting seat 4 to rotate so as to adjust the direction of the square hole drill bit 3.

More specifically, as shown in fig. 1 and fig. 2, in this embodiment, the carriage translation structure includes a vertical carriage 7 slidably connected to the rack 1 in the vertical direction and a longitudinal transverse carriage 8 slidably connected to the rack 1 in the horizontal longitudinal direction, and the clamping assembly 2 is slidably disposed on the longitudinal transverse carriage 8 in the horizontal transverse direction. The adjusting structure comprises an adjusting motor 5 and a rotating wheel 6 fixedly connected with the adjusting seat 4, the adjusting motor 5 is fixed on the vertical planker 7, and two ends of the adjusting seat 4 are rotatably connected with the vertical planker 7 through a bearing seat fixedly connected on the vertical planker 7. The adjusting motor 5 can drive the rotating wheel 6 to rotate through synchronous belt transmission.

As shown in fig. 2 and 3, a vertical slide rail 9 is fixed on the frame 1 corresponding to each end of the adjusting seat 4, the vertical carriage 7 has two vertical slide rails 9 slidably connected to the vertical carriage 7, a driving device 10 connected to the vertical carriage 7 and used for driving the vertical carriage 7 to move up and down is disposed on the frame 1, two supporting members 11 disposed at intervals and used for supporting the vertical carriage 7 are disposed on the frame 1, and the two supporting members 11 are respectively located below two ends of the adjusting seat 4. The two supporting pieces 11 can move relative to the frame 1, and the positions of the two supporting pieces 11 for supporting the vertical planker 7 can be kept at the same height. In this embodiment, the supporting member 11 is an adjusting screw, the frame 1 is fixed or integrally formed with a supporting block 12, the adjusting screw is located below the vertical planker 7 and penetrates through the vertical direction and is connected to the supporting block 12 through a thread, the vertical planker 7 is integrally formed or fixed with a supporting block corresponding to the supporting member 11 one by one, the adjusting screw can be abutted against the supporting block, and a contact surface of the supporting block and the adjusting screw is parallel to a horizontal plane.

More specifically, as shown in fig. 4, the driving device 10 includes a motor mounting base 13 attached to the frame 1 and used for mounting the driving motor 17, the frame 1 has a groove 14 corresponding to the position of the motor mounting base 13, the motor mounting base 13 has a shoulder 131 extending towards the groove 14, and the shoulder 131 is located in the groove 14 and can be hung on the lower end bottom wall of the groove 14. The groove 14 is formed in the vertical direction, and the upper end of the groove 14 penetrates through the rack 1; the frame 1 is hollow, and the groove 14 is communicated with the inside of the frame 1. The driving device 10 further comprises a driving motor 17 fixedly connected with the upper end of the motor mounting seat 13, a screw rod 15 rotatably connected to the lower end of the motor mounting seat 13, and a nut seat 16 fixedly connected with the vertical planker 7 and in threaded transmission with the screw rod 15, wherein a motor shaft of the electric driving machine is fixedly connected with the screw rod 15.

As shown in fig. 5 and 6, in the square hole drilling machine, the square hole drill bit 3 includes a drilling motor 31, a fixing seat 32, a first drill bit 33 and a second drill bit 34, the drilling motor 31 penetrates and is fixed in the adjusting seat 4, the fixing seat 32 is fixedly connected with the adjusting seat 4, the first drill bit 33 is in a square rod shape and is hollow inside, the first drill bit 33 is fixedly connected with the fixing seat 32, the second drill bit 34 is a round hole drill bit, and the second drill bit 34 is rotatably connected in the first drill bit 33 and is fixedly connected with a rotating shaft of the drilling motor 31. The fixing base 32 is hollow, one end of the fixing base 32 is provided with a connecting flange 321 and is sleeved outside the rotating shaft of the drilling motor 31 and is fixed on the adjusting base 4 through the connecting flange 321, the first drill bit 33 penetrates through the fixing base 32 and is fixedly connected with the other end of the fixing base 32 through the locking screws 322 arranged along the radial direction, the second drill bit 34 penetrates into the fixing base 32 and is fixedly connected with the rotating shaft of the drilling motor 31, and the outer wall of the fixing base 32 is provided with a mounting hole 32a for communicating the inside of the fixing base 32 with the outside.

Example two:

the technical scheme in this embodiment is basically the same as that in the first embodiment, except that in this embodiment, the carriage translation structure includes a vertical carriage 7 slidably connected to the frame 1 along the vertical direction, a horizontal carriage slidably connected to the vertical carriage 7 along the horizontal direction, and a longitudinal carriage slidably connected to the frame 1 along the horizontal direction, the clamping assembly 2 is disposed on the longitudinal carriage, and the adjusting seat 4 is rotatably connected to the horizontal carriage.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the frame 1, the clamping assembly 2, the square-hole drill 3, the drilling motor 31, the fixing seat 32, the mounting opening 32a, the connecting flange 321, the locking screw 322, the first drill 33, the second drill 34, the adjusting seat 4, the adjusting motor 5, the rotating wheel 6, the vertical carriage 7, the longitudinal transverse carriage 8, the vertical sliding rail 9, the driving device 10, the supporting member 11, the supporting block 12, the motor mounting seat 13, the shoulder 131, the groove 14, the lead screw 15, the screw seat 16, the driving motor 17, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. A square hole drilling machine comprises a frame (1), a clamping assembly (2) and a plurality of square hole drills (3), the square hole drill bit (3) comprises a first drill bit (33) which is in a square rod shape and is hollow inside and a second drill bit (34) which is arranged in the first drill bit (33), it is characterized in that a strip-shaped adjusting seat (4) is arranged on the frame (1), a carriage translation structure which can enable the adjusting seat (4) to form three-dimensional translation relative to the clamping component (2) is arranged between the adjusting seat (4) and the frame (1), the adjusting seat (4) is horizontally arranged, the square hole drill bit (3) is fixedly connected on the adjusting seat (4), the adjusting seat (4) is rotatably connected on the carriage translation structure, the carriage translation structure is provided with an adjusting structure which drives the adjusting seat (4) to rotate so as to adjust the direction of the square hole drill bit (3).

2. The square hole drilling machine according to claim 1, wherein the adjusting structure comprises an adjusting motor (5) and a rotating wheel (6) fixedly connected with the adjusting seat (4), and the adjusting motor (5) can drive the rotating wheel (6) to rotate.

3. The square hole drilling machine according to claim 1, wherein the carriage translation structure comprises a vertical carriage (7) which is slidably connected to the frame (1) along a vertical direction and a longitudinal transverse carriage (8) which is slidably connected to the frame (1) along a horizontal longitudinal direction, the clamping assembly (2) is slidably arranged on the longitudinal transverse carriage (8) along the horizontal transverse direction, and the adjusting seat (4) is rotatably connected to the vertical carriage (7).

4. The square hole drilling machine according to claim 1, wherein the carriage translation structure comprises a vertical carriage (7) slidably connected to the frame (1) in a vertical direction, a horizontal carriage slidably connected to the vertical carriage (7) in a horizontal and horizontal direction, and a longitudinal carriage slidably connected to the frame (1) in the horizontal and vertical direction, the clamping assembly (2) is arranged on the longitudinal carriage, and the adjusting seat (4) is rotatably connected to the horizontal carriage.

5. The square hole drilling machine according to claim 1 or 2 or 3 or 4, wherein the square hole drill bit (3) further comprises a drilling motor (31) and a fixing seat (32), the drilling motor (31) penetrates through and is fixed in the adjusting seat (4), the fixing seat (32) is fixedly connected with the adjusting seat (4), the first drill bit (33) is fixedly connected with the fixing seat (32), the second drill bit (34) is a round hole drill bit, and the second drill bit (34) is rotatably connected in the first drill bit (33) and is fixedly connected with a rotating shaft of the drilling motor (31).

6. The square hole drilling machine according to claim 5, wherein the fixing base (32) is hollow inside, a sleeve of the fixing base (32) is arranged outside a rotating shaft of the drilling motor (31) and fixed on the adjusting base (4), the first drill bit (33) penetrates through and is fixedly connected to the other end of the fixing base (32), the second drill bit (34) penetrates into the fixing base (32) and is fixedly connected with the rotating shaft of the drilling motor (31), and a mounting hole (32a) communicating the inside of the fixing base (32) with the outside is formed in the outer wall of the fixing base (32).

7. The square hole drilling machine according to claim 1 or 2 or 3 or 4, wherein the square hole drills (3) are distributed at intervals along the length direction of the adjusting seat (4) and are all located on the same side wall of the adjusting seat (4).

8. The square hole drilling machine according to claim 3 or 4, characterized in that a vertical slide rail (9) is fixed on the frame (1) corresponding to each end of the adjusting seat (4), the vertical carriage (7) has two vertical slide rails (9) which are respectively connected with the vertical slide rails (9), a driving device (10) which is connected with the vertical carriage (7) and is used for driving the vertical carriage (7) to move up and down is arranged on the frame (1), two supporting members (11) which are arranged at intervals and are used for supporting the vertical carriage (7) are arranged on the frame (1), the two supporting members (11) can move relative to the frame (1), and the parts of the two supporting members (11) which are used for supporting the vertical carriage (7) can be kept at the same height.

9. The square hole drilling machine according to claim 8, wherein the supporting member (11) is an adjusting screw, a supporting block (12) is fixed or integrally formed on the frame (1), the adjusting screw is located below the vertical carriage (7) and vertically penetrates through the supporting block (12) and is in threaded connection with the supporting block, and the adjusting screw can be supported on the vertical carriage (7).

10. A squaring hole machine according to claim 8, characterized in that the driving device (10) comprises a motor mounting seat (13) which is fixedly connected with the frame (1) and is used for mounting the driving motor (17), the frame (1) is provided with a groove (14) corresponding to the position of the motor mounting seat (13), the motor mounting seat (13) is provided with a shoulder (131) extending towards the groove (14), and the shoulder (131) is positioned in the groove (14) and can be hung on the lower end bottom wall of the groove (14).