Continuous boring device for engine cylinder cover

Abstract

The utility model relates to a continuous boring device for an engine cylinder cover, which comprises a mounting table capable of constructing a mounting bottom surface, and a material conveying assembly capable of driving a workpiece to transfer among a plurality of different processing stations is arranged on the mounting table. A positioning assembly which can be matched with the material conveying assembly to limit a workpiece moving to a machining station is supported on the mounting table, and a supporting frame which can suspend a boring module, a polishing module and a cleaning module above the material conveying assembly in a lifting mode is further supported on the mounting table. The boring module, the polishing module and the cleaning module are arranged on a lifting column of the supporting frame in a partitioned mode so that different machining stations can be positioned. According to the utility model, a continuous feeding structure and a plurality of positioning structures matched with the continuous feeding structure are constructed to position a plurality of workpieces at different stations at the same time, so that the multi-process synchronization of the workpieces is realized, and the batch processing efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of engine cylinder head boring equipment, and in particular to a continuous boring device for engine cylinder heads. Background Technology

[0002] The engine cylinder head is a crucial component of the engine. Mounted atop the engine block, it seals the cylinder from above and, together with the engine block, forms the combustion chamber. It is constantly in contact with high-temperature, high-pressure combustion gases, thus bearing significant thermal and mechanical loads. Water-cooled engines typically have a cooling water jacket inside the cylinder head, with cooling water holes on the lower end face communicating with those in the engine block, utilizing circulating water to cool the combustion chamber and other high-temperature components. During the machining of the engine cylinder head, boring the shaft bore is a critical finishing process. Currently, the boring process for engine cylinder heads often employs a combination fixture commonly used on machine tools for clamping and limiting the cylinder head, requiring manual clamping by the operator.

[0003] However, the repetitive clamping and adjustment work greatly consumes the operator's physical strength, increasing the risk of human error and hindering the batch processing of engine cylinder heads. Furthermore, manual adjustment of the clamping structure by the operator consumes a significant amount of processing time, reducing processing efficiency. In particular, existing engine cylinder head processing equipment typically only allows for the clamping and processing of a single engine cylinder head at a time, preventing the simultaneous execution of the clamping and processing steps and extending the batch processing cycle. This significantly restricts the speed and efficiency of batch processing engine cylinder heads. Moreover, frequent work transfers are highly susceptible to damage such as deformation of the engine cylinder head surface due to collisions with external equipment, affecting the processing quality of the engine cylinder head. Utility Model Content

[0004] The purpose of this utility model is to provide a continuous boring device for engine cylinder heads that can simultaneously position multiple workpieces at different workstations by building a continuous feeding structure and multiple matching positioning structures, thereby achieving multi-process synchronous operation of workpieces and improving batch processing efficiency. This solves the problem that existing engine cylinder head boring equipment usually only has a single processing station, and the boring and disassembly work interfere with each other and need to be carried out in stages, which restricts the improvement of processing efficiency. Furthermore, existing equipment cannot perform continuous multi-process processing on cylinder head workpieces. The workpieces that have completed rough boring need to be transferred to other clamping fixtures for polishing, cleaning, etc., which makes them prone to collision damage during the transfer process, resulting in a decline in the surface quality of the workpieces.

[0005] The technical solution adopted by this utility model is as follows: a continuous boring device for engine cylinder heads, including a mounting platform capable of constructing a mounting base, a material transfer component capable of transferring workpieces between multiple different processing stations on the mounting platform, a positioning component capable of cooperating with the material transfer component to limit the workpieces moved to the processing stations on the mounting platform, and a support frame capable of suspending the boring module, polishing module and cleaning module above the material transfer component on the mounting platform, wherein the boring module, polishing module and cleaning module are arranged in sections on the lifting columns of the support frame to position different processing stations.

[0006] According to a preferred embodiment, the material transfer assembly includes a support platform, a turntable bearing, a material transfer disk, and a material transfer drive unit. The support platform is mounted on the mounting platform, and the turntable bearing is disposed at the center of the top surface of the support platform. The turntable bearing is connected to the material transfer disk from the upper end surface away from the support platform. The material transfer drive unit, which is capable of driving the material transfer disk to undergo controllable deflection, is also disposed on the support platform.

[0007] According to a preferred embodiment, an internal toothed ring is provided at the bottom of the transfer disc, which can mesh with the transmission teeth of the transfer drive unit to drive the transfer disc to deflect.

[0008] According to a preferred embodiment, a plurality of placement grooves are circumferentially spaced on the top surface of the transfer tray, penetrating the side wall of the tray body, and a plurality of rotating guide rollers are arranged radially spaced on the bottom surface of the placement groove cavity; a limiting abutment plate capable of clamping the workpiece in cooperation with the positioning component is detachably embedded on the side wall of the placement groove away from the side wall of the tray body.

[0009] According to a preferred embodiment, the top surface of the support platform is further provided with a plurality of auxiliary support columns, and the upper axial end of the auxiliary support columns is connected by a bearing body to a universal support wheel that can abut against the bottom surface of the transfer plate; a shielding ring is also provided on the support platform and sleeved on the transfer plate.

[0010] According to a preferred embodiment, the positioning assembly includes support bars, an L-shaped mounting plate, a clamping push rod, and a clamping head. A plurality of support bars are supported on the mounting platform surrounding the support pedestal, and the L-shaped mounting plate is disposed on the top side of each support bar. A clamping push rod, parallel to the horizontal plate of the L-shaped mounting plate, is connected to the vertical plate body of the L-shaped mounting plate. A clamping head, controllably movable into the placement groove and cooperating with the limiting abutment plate to clamp the workpiece, is disposed at the moving front end of the clamping push rod.

[0011] According to a preferred embodiment, the clamping head includes a clamping seat body connected to the clamping push rod and a clamping plate detachably mounted on the mounting surface of the clamping seat body.

[0012] According to a preferred embodiment, the boring module includes a boring and milling drill bit connected to the lifting column, and a boring and milling drill rod is replaceably inserted at the working end of the boring and milling drill bit.

[0013] According to a preferred embodiment, the polishing rotary motor of the polishing module is installed at the lower axial end of the lifting column, and a grinding body is mounted on the rotating shaft of the polishing rotary motor.

[0014] According to a preferred embodiment, the cleaning module includes a negative pressure dust collection unit connected to the lifting column and a suction nozzle connected to the negative pressure dust collection unit via a suction connecting pipe.

[0015] The beneficial effects of this utility model are:

[0016] The material transfer component of this application defines multiple clamping positions, facilitating simultaneous different processing and loading / unloading operations for workpieces at multiple clamping positions. This allows processing and loading operations to be performed concurrently at different processing stations, effectively improving the speed and efficiency of batch boring processing. Furthermore, the multiple clamping slots can deflect the workpiece, ensuring it sequentially passes through different processing stations on the material transfer component. This avoids the drawbacks of workpieces needing to be transferred multiple times between different single-function processing equipment, preventing accidental collisions and damage. It also improves the integrity and shape retention of workpieces during systematic processing, enhancing processing quality. The positioning component of this application works in conjunction with the material transfer component to adaptively clamp the workpiece, reducing manual clamping intervention and improving processing safety and stability. In particular, the high-precision clamping limit ensures clamping stability while avoiding over-clamping, effectively meeting the needs of high-efficiency batch processing. The clamping head provided in this application can move laterally under the push of the periodically working clamping push rod, thereby cooperating with the limiting abutment plate to align and clamp the workpiece in the placement groove, ensuring the stability of the workpiece during processing. Furthermore, the high-precision pressure push of the hydraulic rod to push the limit effectively eliminates the need for manual clamping and limiting operations, improves the automation capability of the equipment while reducing manpower requirements, avoids the problem that manual clamping cannot guarantee clamping strength, and improves the clamping effect and quality. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of a preferred continuous boring device for engine cylinder heads proposed in this utility model;

[0018] Figure 2This is a plan view of the feed plate of a preferred continuous boring device for engine cylinder heads proposed in this utility model;

[0019] Figure 3 This is a top plan view of the positioning component of a preferred continuous boring device for engine cylinder heads proposed in this utility model.

[0020] List of reference numerals

[0021] 1: Mounting platform; 2: Material transfer assembly; 3: Positioning assembly; 4: Support frame; 5: Boring module; 6: Polishing module; 7: Cleaning module; 21: Support base; 22: Turntable bearing; 23: Material transfer tray; 24: Material transfer drive unit; 211: Auxiliary support column; 212: Bearing body; 213: Universal support wheel; 214: Blocking ring; 231: Internal gear ring; 232: Mounting groove; 233: Rotary guide roller; 2 34: Limiting and abutting plate; 241: Transmission gear; 31: Support bar; 32: L-shaped mounting plate; 33: Clamping push rod; 34: Clamping head; 341: Clamping base; 342: Clamping plate; 41: Support column; 42: Top plate; 43: Lifting column; 51: Boring and milling drill bit; 52: Boring and milling drill rod; 61: Polishing rotary motor; 62: Grinding body; 71: Negative pressure dust collection unit; 72: Suction connecting pipe; 73: Dust collection nozzle. Detailed Implementation

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the present utility model will be briefly introduced below in conjunction with the accompanying drawings and descriptions of the embodiments or the prior art. Obviously, the following description of the structure of the drawings is 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.

[0023] The technical solutions provided by this utility model will be described in detail below with reference to the accompanying drawings and through embodiments. It should be noted that the descriptions of these embodiments are intended to aid in understanding this utility model, but do not constitute a limitation thereof. In some examples, because some implementation methods belong to existing or conventional technology, they are not described or are not described in detail.

[0024] The following is a detailed explanation with reference to the accompanying drawings.

[0025] Example 1

[0026] This application provides a continuous boring device for engine cylinder heads, which includes a mounting platform 1, a material transfer assembly 2, a positioning assembly 3, a support frame 4, a boring module 5, a polishing module 6, and a cleaning module 7.

[0027] according to Figure 1-3In one specific embodiment, the mounting platform 1 is adjustable and movable within the workshop to form a mounting base for assembling functional components as needed. A material transfer assembly 2 is mounted on the mounting platform 1, capable of transferring workpieces between multiple different processing stations. A positioning assembly 3, cooperating with the material transfer assembly 2, is supported on the mounting platform 1 to limit the movement of workpieces to the processing stations. A support frame 4 is also supported on the mounting platform 1, capable of suspending the boring module 5, polishing module 6, and cleaning module 7 flexibly above the material transfer assembly 2. The boring module 5, polishing module 6, and cleaning module 7 are arranged in sections on the lifting columns 43 of the support frame 4 to position different processing stations, allowing for boring, polishing, and cleaning of workpieces sequentially passing through multiple different processing stations. The material transfer component 2 provided in this application can define multiple clamping positions, thereby facilitating the simultaneous and different processing and loading / unloading operations of workpieces at multiple clamping positions. This allows processing and loading operations to be performed simultaneously at different processing stations, effectively improving the speed and efficiency of batch boring processing. Furthermore, the multiple clamping slots can cause the workpiece to deflect, allowing it to sequentially pass through different processing stations on the material transfer component 2. This avoids the drawbacks of workpieces needing to be transferred multiple times between different single-function processing equipment, which could lead to accidental collisions and damage. This improves the integrity and shape retention of the workpiece during systematic processing, enhancing processing quality. The positioning component 3 provided in this application can cooperate with the material transfer component 2 to adaptively clamp the workpiece, reducing manual clamping intervention and improving processing safety and stability. In particular, the high-precision clamping limit ensures clamping stability while avoiding over-clamping, effectively meeting the needs of high-efficiency batch processing.

[0028] Preferably, the material transfer assembly 2 includes a support base 21, a turntable bearing 22, a material transfer disk 23, and a material transfer drive unit 24. Preferably, the support base 21 is mounted on the mounting platform 1. More preferably, a turntable bearing 22 is disposed at the center of the top surface of the support base 21, and the upper end surface of the turntable bearing 22 away from the support base 21 is connected to the material transfer disk 23, thereby enabling the material transfer disk 23 to rotate relative to the support base 21. Preferably, the turntable bearing 22 can be a large-size bearing disk of model HY-800A. Preferably, a material transfer drive unit 24 capable of driving the material transfer disk 23 to undergo controllable deflection is also disposed on the support base 21. Preferably, the material transfer drive unit 24 can be a high-precision, high-torque stepper motor of model HYH2-12B, which can perform periodic intermittent operation as needed, causing the material transfer disk 23 to undergo directional intermittent deflection, thereby driving the workpiece to pass through different working positions in sequence, and intermittently stopping at different working positions to complete different processing. The turntable bearing 22 provided in this application has strong support capacity and relative rotation function, ensuring the stability of the transfer disk 23 on the support base 21 and the relative rotation capability of the transfer disk 23. The transfer drive unit 24 provided in this application can form a large transmission ratio with the transfer disk 23, thereby limiting the smaller unit deflection amount of the transfer disk 23 and improving the deflection accuracy and deflection stability when the transfer disk 23 is deflected intermittently and equally.

[0029] Preferably, the top surface of the support base 21 is further provided with multiple auxiliary support columns 211. More preferably, the upper axial end of the auxiliary support column 211 is connected by a bearing body 212 to a universal support wheel 213 that can abut against the bottom surface of the transfer plate 23 to improve the rotational stability of the transfer plate 23. Preferably, the support base 21 is also provided with a shielding ring 214 sleeved on the transfer plate 23. Specifically, the shielding ring 214 is provided with notches spaced circumferentially to match the boring station, polishing station, cleaning station and loading / unloading station. Specifically, the notches corresponding to the boring station, polishing station and cleaning station are matched with the positioning component 3, so that the clamping head 34 of the positioning component 3 can be inserted into the placement groove 232 from the notch. The auxiliary support structure formed by the auxiliary support column 211, bearing body 212, and universal support wheel 213 provided in this application can roll in contact with the bottom surface of the transfer plate 23, thereby providing auxiliary support for the transfer plate 23 under downward pressure and maintaining the posture stability of the transfer plate 23. Specifically, the auxiliary support structure can be located directly below the boring module 5, thereby improving the support effect. The shielding ring 214 provided in this application can effectively restrict the workpiece that follows the deflection of the transfer plate 23 to the placement groove 232, avoiding the problem of the workpiece detaching and flying out when it is in a non-processing position and follows the rotation of the transfer plate 23, reducing the risk of the workpiece falling.

[0030] Preferably, an internal toothed ring 231 is provided at the bottom of the transfer disk 23, which can mesh with the transmission teeth 241 of the transfer drive unit 24 to drive the transfer disk 23 to deflect. Preferably, a plurality of placement grooves 232 are provided circumferentially at intervals on the top surface of the transfer disk 23, penetrating the side wall of the disk body. Preferably, a plurality of rotating guide rollers 233 are arranged radially at intervals on the bottom surface of the groove cavity of the placement groove 232. Specifically, the two ends of the rotating guide rollers 233 are rotatably inserted into the side wall of the alignment groove cavity of the placement groove 232. Preferably, a limiting abutment plate 234 that can cooperate with the positioning component 3 to clamp the workpiece is detachably embedded on the side wall of the groove cavity away from the side wall of the disk body of the placement groove 232. The internal toothed ring 231 provided in this application can mesh with the transmission teeth 241, so that the small-diameter transmission teeth 241 and the large-diameter internal toothed ring 231 form a transmission structure with a large transmission ratio. The mounting groove 232 provided in this application can feed the engine cylinder block into the material transfer tray 23 from one side, improving the operability of placing and removing the cylinder block. In particular, the rotating guide roller 232 provided on the bottom surface of the mounting groove 232 can improve the convenience of moving the workpiece into and out of the mounting groove 241, reducing the difficulty of loading and unloading large-sized workpieces. The limiting abutment plate 234 provided in this application can be designed with various abutment surface contours and sizes according to requirements, so as to adapt to different workpiece surfaces through convenient disassembly and replacement, thereby ensuring the abutment and limiting stability of different workpieces.

[0031] Preferably, the positioning component 3 includes support bars 31, an L-shaped mounting plate 32, a clamping push rod 33, and a clamping head 34. Preferably, multiple support bars 31 are supported on the mounting platform 1 around the support base 21, and an L-shaped mounting plate 32 is provided on the top side of the support bars 31. Preferably, a clamping push rod 33 parallel to its transverse plate is connected to the vertical plate of the L-shaped mounting plate 32. Preferably, the clamping push rod 33 can be a high-precision, high-torque hydraulic push rod of model TPR-650. More preferably, a clamping head 34 is provided at the moving front end of the clamping push rod 33, which can be controllably moved into the placement groove 232 and cooperates with the limiting abutment plate 234 to clamp the workpiece. Preferably, multiple support bars 31 are arranged at intervals along the edge of the transfer tray 23 and correspond to the machining positions located by the boring module 5, polishing module 6, and cleaning module 7, respectively. The clamping head 34 provided in this application can move laterally under the push of the periodically working clamping push rod 33, thereby cooperating with the limiting abutment plate 234 to align and clamp the workpiece in the placement groove 232, ensuring the stability of the workpiece during processing. Furthermore, the high-precision pressure push of the hydraulic rod effectively eliminates the need for manual clamping and limiting operations, improves the automation capability of the equipment, reduces the manpower requirement, avoids the problem that manual clamping cannot guarantee the clamping strength, and improves the clamping effect and quality.

[0032] Preferably, the clamping head 34 includes a clamping base 341 connected to the clamping push rod 33 and a clamping plate 342 that is selectively replaceable according to the contour differences of the workpiece being clamped and detachably mounted on the mounting surface of the clamping base 341. Specifically, the clamping plate 342 is connected to the clamping base 341 by positioning screws inserted into it. Preferably, the limiting abutment plate 234 and the clamping plate 342 can be configured as multi-specification replaceable clamping plate structures, allowing them to be disassembled and replaced according to the actual shape of the engine block to ensure the stability of the alignment clamping. The clamping plate 342 can be translated and limited under the push of the clamping push rod 33, which has higher precision and movement speed than manual adjustment. In particular, the magnitude of its abutment limiting force can be precisely adjusted by the clamping push rod 33, ensuring the stability of the clamping while avoiding over-clamping and damage to the workpiece shape, and has good shape retention capability.

[0033] Preferably, the support frame 4 includes support columns 41, a top plate 42, and lifting columns 43. Preferably, support columns 41 mounted on the mounting platform 1 are supported at the four corners of the top plate 42. Preferably, three lifting columns 43 are installed at equal intervals along a predetermined arc on the lower surface of the top plate 42, such that the axial lower ends of the three lifting columns 43 are respectively connected to the boring module 5, the polishing module 6, and the cleaning module 7, so that the three modules can sequentially complete the boring, polishing, and cleaning of the workpiece driven by the material transfer component 2. Preferably, the lifting columns 43 can be selected as TPR-800A high-precision hydraulic lifting columns, so that they can accurately adjust and limit the working height of the boring module 5, the polishing module 6, and the cleaning module 7.

[0034] Preferably, the boring module 5 includes a boring and milling drill bit 51 connected to the lifting column 43, and a boring and milling drill rod 52 is replaceably inserted into the working end of the boring and milling drill bit 51. Specifically, the boring and milling drill rod 52 is a conventional consumable part, which can be replaced according to needs and wear. Specifically, the boring and milling drill bit 51 can be a HYKS-A70 type boring and milling head, which can move up and down under the control of the lifting column 43, thereby periodically descending to perform boring processing on the workpiece clamped and directly below it.

[0035] Preferably, the polishing rotary motor 61 of the polishing module 6 is mounted on the lower axial end of the lifting column 43, and a grinding body 62 is mounted on the rotating shaft of the polishing rotary motor 61. The polishing rotary motor 61 provided in this application can be a PRECISE XM-100 boring and polishing motor, which is suitable for machining engine cylinder heads or precision parts and has advantages such as high precision and low vibration. The grinding body 62 can be a commonly used cylindrical abrasive.

[0036] Preferably, the cleaning module 7 includes a negative pressure dust collection unit 71 connected to the lifting column 43 and a suction nozzle 73 connected to the negative pressure dust collection unit 71 via a suction connecting pipe 72. Preferably, the suction nozzle 73 has a larger opening cross-section than the mounting slot 232, thereby effectively covering workpieces of various sizes and effectively sucking up the debris generated by boring and milling. Preferably, the negative pressure dust collection unit 71 can be a HYZK2G12K5NL2-06 type negative pressure vacuum cleaner, which is energy-efficient, has a large suction flow rate, is suitable for cleaning grinding debris, and is equipped with a vacuum switch and a silencer for easy operation.

[0037] Preferably, the electrical components such as the material transfer drive unit 24, the clamping push rod 33, the boring and milling drill bit 51, the polishing rotary motor 61, and the negative pressure dust collection unit 71 are all electrically connected to the controller and the power supply. The control method of this application is controlled by the controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art. The power supply is also common knowledge in the art. Furthermore, this utility model is only used to protect the mechanical device and its mechanical structural features. Therefore, this utility model will not explain the control method and circuit connection in detail.

[0038] This utility model is not limited to the above-described optional embodiments. Anyone can derive other various forms of products under the guidance of this utility model. However, regardless of any changes in shape or structure, any technical solution falling within the scope of the claims of this utility model is within the protection scope of this utility model. Those skilled in the art should understand that this utility model specification and its drawings are illustrative and do not constitute a limitation on the claims. The protection scope of this utility model is defined by the claims and their equivalents. Throughout the text, features introduced by "preferred" are merely optional and should not be construed as mandatory. Therefore, the applicant reserves the right to abandon or delete relevant preferred features at any time.

Claims

1. A continuous boring device for engine cylinder head, comprising a mounting table (1) capable of building a mounting surface, characterized in that, a material conveying assembly (2) capable of transferring workpieces between different processing stations is arranged on the mounting table (1), and a positioning assembly (3) capable of limiting the workpieces moved to the processing stations in cooperation with the material conveying assembly (2) is supported on the mounting table (1), a supporting frame (4) capable of suspending a boring module (5), a polishing module (6) and a cleaning module (7) above the material conveying assembly (2) is also supported on the mounting table (1), wherein the boring module (5), the polishing module (6) and the cleaning module (7) are arranged in different processing stations on the lifting column (43) of the supporting frame (4).

2. The continuous boring device for engine cylinder head according to claim 1, wherein The material conveying assembly (2) comprises a support base (21), a rotary table bearing (22), a material conveying disc (23) and a material conveying driving unit (24), wherein, the support base (21) is installed on the mounting table (1), and the rotary table bearing (22) is arranged at the center of the top surface of the support base (21), and the rotary table bearing (22) is connected with the material conveying disc (23) away from the upper end surface of the support base (21); the material conveying driving unit (24) capable of driving the material conveying disc (23) to occur controllable deflection is also arranged on the support base (21).

3. The continuous boring device for engine cylinder head according to claim 2, wherein An inner gear ring (231) capable of engaging with the transmission gear (241) of the material conveying driving unit (24) to drive the material conveying disc (23) to occur deflection is arranged on the bottom of the material conveying disc (23).

4. The continuous boring device for engine cylinder head according to claim 3, wherein A plurality of installation grooves (232) penetrating the side wall of the disc body are arranged on the top surface of the material conveying disc (23) in a ring shape, and a plurality of rotating guide rollers (233) are arranged on the groove cavity bottom surface of the installation grooves (232) in a radial direction of the disc body; The installation grooves (232) are detachably embedded with a limiting abutting plate (234) capable of clamping the workpiece in cooperation with the positioning assembly (3) away from the groove cavity side wall of the disc body.

5. The apparatus for continuously boring a cylinder head of an engine according to claim 4, wherein The top surface of the support base (21) is also provided with a plurality of auxiliary support columns (211), and a universal support wheel (213) capable of abutting against the bottom surface of the material conveying disc (23) is connected through a bearing body (212) at the axial upper end of the auxiliary support column (211); A shielding ring piece (214) sleeved on the material conveying disc (23) is also arranged on the support base (21).

6. The continuous boring device for engine cylinder head according to claim 5, wherein The positioning assembly (3) comprises a support strip (31), an L-shaped mounting plate (32), a clamping push rod (33) and a clamping head (34), wherein, a plurality of support strips (31) are supported on the mounting table (1) in a manner surrounding the support base (21), and the L-shaped mounting plate (32) is arranged on the top side of the support strip (31); A clamping push rod (33) parallel to the transverse plate body of the L-shaped mounting plate (32) is connected to the vertical plate body of the L-shaped mounting plate (32), and a clamping head (34) capable of moving into the installation groove (232) and clamping the workpiece by cooperating with the limiting abutting plate (234) is arranged at the movement front end of the clamping push rod (33).

7. The continuous boring device for engine cylinder head according to claim 6, wherein The clamping head (34) comprises a clamping seat body (341) connected with the clamping push rod (33) and a clamping plate (342) detachably mounted on the mounting surface of the clamping seat body (341).

8. The continuous boring device for engine cylinder head according to claim 7, wherein The boring module (5) comprises a boring and milling drill bit (51) connected with the lifting column (43), and a boring and milling drill rod (52) is detachably inserted at the working end of the boring and milling drill bit (51).

9. The apparatus for continuously boring a cylinder head of an engine according to claim 8, wherein The polishing rotary motor (61) of the polishing module (6) is mounted at the axial lower end of the lifting column (43), and a polishing body (62) is sleeved on the rotating shaft of the polishing rotary motor (61).

10. The continuous boring device for engine cylinder head according to claim 9, wherein The cleaning module (7) comprises a negative pressure suction unit (71) connected with the lifting column (43) and a suction nozzle (73) connected with the negative pressure suction unit (71) through a suction connecting pipe (72).

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