CN116551021A - Cylinder head drilling device - Google Patents

Abstract

The invention discloses a cylinder cover drilling device which comprises a main body frame, a scrap groove, a left side bracket, a right side bracket, an arch frame, a position correcting mechanism, a left side rotary pressing and holding mechanism, a right side rotary pressing and holding mechanism, a lifting type drilling mechanism and a control device, wherein the scrap groove and the arch frame are respectively arranged in the middle and the upper part of the main body frame, the arch frame is arranged at the notch of the scrap groove, and the left end and the right end of the scrap groove are respectively provided with the left side bracket and the right side bracket. The invention has simple structure and reasonable design, can drill six surfaces of the cylinder cover, and improves the drilling processing efficiency of the cylinder cover.

Description

Cylinder head drilling device

【Technical field】

The invention relates to the technical field of cylinder head drilling devices, in particular to the technical field of cylinder head drilling devices.

【Background technique】

The cylinder head is one of the important parts of the diesel engine. The holes on the cylinder head involve multi-faceted holes. At present, when the holes on the cylinder head are processed, the cylinder head has a first surface and a second surface. The first surface and the second surface are set opposite to each other. Both the first and second sides of the cover have the first position hole and the second position hole. The drilling jig can only be processed on one of the positions on one of the sides once clamped on the same machine tool, and it needs to be replaced by Drilling molds can complete the processing of the first position hole and the second position hole on each surface of the cylinder head, and when processing the holes on different surfaces, the cylinder head needs to be turned over, which is time-consuming and labor-intensive. Not only the work efficiency is low, but the processing cost High, and multiple clamping affects the machining accuracy and position accuracy between the holes, thus affecting the overall performance of the diesel engine.

For this reason, application number 201510869178.4 discloses a diesel engine cylinder head rotary drilling processing control system. In the present invention, it includes a cylinder head fixing device, a first drilling device, a second drilling device, a first driving device, and a second driving device, the third driving device, the first distance measuring sensor, the second distance measuring sensor and the control device, the control device and the first drilling device, the second drilling device, the first driving device, the second driving device, the third driving device The device, the first distance measuring sensor, and the second distance measuring sensor are connected, and the control device controls the first driving device to drive the cylinder head fixing device to rotate, so as to ensure that the first surface is aligned with the first drilling device, and the second surface is aligned with the second drilling The device or the first face is aligned with the second drilling device, and the second face is aligned with the first drilling device; the first ranging sensor detects the distance between the first drilling device and the cylinder head in real time, and the second ranging sensor detects the distance between the first drilling device and the cylinder head in real time. Detecting the distance between the second drilling device and the cylinder head, the control device is preset with a preset distance value, and the control device obtains the real-time distance value between the first drilling device and the cylinder head according to the first distance measuring sensor and calculates the second A real-time distance value between the drilling device and the cylinder head is compared with a preset distance value, and when the distance between the first drilling device and the cylinder head is smaller than the preset distance value, the control device controls the second driving device to drive the first The drilling device moves upward; the control device obtains the real-time distance value between the second drilling device and the cylinder head according to the second ranging sensor and compares the real-time distance value between the second drilling device and the cylinder head with the preset distance value In comparison, when the distance between the second drilling device and the cylinder head is smaller than the preset distance value, the control device controls the third driving device to drive the second drilling device to move downward. The invention has a simple structure, realizes the automatic drilling of the cylinder head of the diesel engine, greatly improves the machining accuracy and production efficiency, and is suitable for the needs of large-scale production of enterprises.

Although the above-mentioned products can turn over the cylinder head, they only turn the cylinder head up and down, and two sets of drilling devices are provided. In fact, some types of cylinder heads not only need to drill the upper and lower end faces, but also need to process the front, rear, left, and right end faces, so the above products do not meet the requirements.

In order to solve the above problems, so that all six sides of the cylinder head can be drilled, it is necessary to propose a cylinder head drilling device.

【Content of invention】

The object of the present invention is to solve the problems in the prior art, and propose a cylinder head drilling device, which can drill holes on six sides of the cylinder head and improve the drilling efficiency of the cylinder head.

In order to achieve the above object, the present invention proposes a cylinder head drilling device, comprising a main body frame, a waste chip chute, a left side support, a right side support, an arched frame, a calibration mechanism, a left side rotation pressing mechanism, a right side rotation pressing holding mechanism, lifting drilling mechanism, and control device. The middle and upper parts of the main frame are respectively provided with a waste chip trough and an arched frame. The side bracket, right side bracket, left side bracket and right side bracket are all set close to the notch of the waste chip chute. There is a calibration mechanism at the bottom of the waste chip chute. The calibration mechanism includes a round tube, a lifting electric control drum, a round tube It is vertically arranged in the middle of the bottom of the waste chip chute. The upper part of the round tube is covered with a lifting electric control drum. The top of the frame is provided with a lifting drilling mechanism, and the side wall of the main frame is provided with a control device.

Preferably, the bottom of the main body frame is provided with several anti-slip legs, and the bottom of the waste chip tank is provided with a valve.

As a preference, the lower part of the main body frame is provided with a setting cavity, the setting cavity is set under the waste chip chute, and the middle part of the bottom of the waste chip chute is provided with a connecting through hole communicating with the setting cavity, the connecting through hole is coaxial with the round pipe, and the calibration The positioning mechanism also includes a lower lifting mechanism, a lower servo motor, a connecting shaft, and an electromagnet. The lower servo motor is arranged in the setting cavity, and the lower lifting mechanism is connected between the lower servo motor and the setting cavity wall. The driving end of the lower servo motor is connected to the lifting There is a connecting shaft between the inner bottom of the electronically controlled drum, and the connecting shaft passes through the inner hole of the circular tube. The connecting shaft, the circular tube, and the lifting electronically controlled drum are coaxial. set electromagnet.

Preferably, the left rotating pressing mechanism includes a left displacement mechanism, a left servo motor, a left connecting rod, a left linear bearing, a left bearing, a left pressing block, a first left blind hole, a second left blind hole, and a right rotating The holding mechanism includes a right displacement mechanism, a right servo motor, a right connecting rod, a right linear bearing, a right bearing, a right pressing block, a first right blind hole, a second right blind hole, and the upper end surfaces of the left bracket and the right bracket are respectively provided with There are a left displacement mechanism and a right displacement mechanism, the upper ends of the left displacement mechanism and the right displacement mechanism are respectively provided with a left servo motor and a right servo motor, the left servo motor and the right servo motor are coaxial, and the opposite ends of the left servo motor and the right servo motor are respectively provided with There are left connecting rod and right connecting rod, the left connecting rod and the right connecting rod are respectively connected with the drive shaft of the left servo motor and the driving shaft of the right servo motor. , the outer tube wall of the left linear bearing and the right linear bearing is respectively covered with a left bearing and a right bearing, and the left bearing and the right bearing are respectively fixed at the left and right ends of the arch frame, and the opposite ends of the left connecting rod and the right connecting rod are respectively provided with a left bearing and a right bearing. Pressing block, right pressing block, left pressing block, right pressing block are provided with the first left blind hole, the first right blind hole respectively, the first left blind hole, the first right blind hole are compatible, left pressing block, The opposite end faces of the right pressure block are respectively provided with a second left blind hole and a second right blind hole, the second left blind hole and the second right blind hole are compatible, the second left blind hole and the first left blind hole are distributed crosswise, and the second left blind hole The second right blind hole and the first right blind hole are distributed across.

Preferably, the left servo motor, the left connecting rod, the left linear bearing, the left bearing, the right servo motor, the right connecting rod, the right linear bearing, and the right bearing are coaxial, and the left displacement mechanism and the right displacement mechanism are all along the left connecting rod , The axis direction of the right connecting rod is set.

As preferably, the lifting type drilling mechanism includes an upper displacement mechanism, a main top plate, an upper lifting mechanism, a sub-board, a drilling device, and a distance measuring sensor. The setting directions of the left displacement mechanism and the right displacement mechanism are vertical. The lower end of the upper displacement mechanism is provided with a main top plate. The lower end of the main top plate is provided with six upper lifting mechanisms. The bottom end of the lifting mechanism is provided with sub-boards, and a group of drilling devices is provided on the lower end of each sub-board, and a distance measuring sensor is provided on the lower end of the sub-boards.

As a preference, two blowing outlets are provided on the inner side of the notch of the waste chute, one blowing outlet is set at the left or right end of the waste chute, the other blowing outlet is set at the front or rear end of the waste chute, and the blowing outlet is set at the lift-type Between the upper end surface of the electric control drum and the lower end surfaces of the left pressing block and the right pressing block, each blowing port is connected with a fan at the air inlet end.

Beneficial effects of the present invention: the present invention is simple in structure and reasonable in design, can drill holes on the six sides of the cylinder head, and improve the drilling efficiency of the cylinder head; While clamping and fixing the cylinder head, the cylinder head is rotated to facilitate the drilling and processing of the upper end face, front end face, lower end face and rear end face of the cylinder by the lifting drilling mechanism; After the drum supports the cylinder head, the lifting electric control drum can rotate the cylinder head, and then adjust the angle of the cylinder head, so that the cylinder head can be clamped by the left rotating holding mechanism and the right rotating holding mechanism at a different angle. Then the original left end surface and the original right end surface of the cylinder head are exposed, and then the original left end surface and the original right end surface of the cylinder head can be drilled; by setting the fan and the blower port, the lifting electric control drum can be blown away To prevent waste from being caught between the lifting electric control drum and the cylinder head, which will affect the accuracy of the lifting electric control drum holding the cylinder head.

The features and advantages of the present invention will be described in detail with reference to the accompanying drawings.

【Description of drawings】

Fig. 1 is the front view of cylinder head drilling device of the present invention;

Fig. 2 is a right view diagram of the left briquetting block of the cylinder head drilling device of the present invention;

Fig. 3 is a schematic left view of the right pressure block of the cylinder head drilling device of the present invention.

【Detailed ways】

Referring to Fig. 1, Fig. 2 and Fig. 3, the cylinder head drilling device of the present invention includes a main body frame 1, a waste trough 13, a left side bracket 14, a right side bracket 15, an arch frame 16, a calibration mechanism 2, a left side Rotary pressing mechanism 3, right side rotating pressing mechanism 4, lifting drilling mechanism 5, control device 7, the middle and upper parts of the main frame 1 are respectively provided with a waste chip tank 13, an arched frame 16, and an arched frame 16 Be located at waste chip chute 13 notch, waste chip chute 13 left end, right end are respectively provided with left side support 14, right side support 15, left side support 14, right side support 15 are all arranged near waste chip chute 13 notch, waste swarf The bottom of the groove 13 is equipped with a calibration mechanism 2, which includes a circular tube 24 and a lifting electric control drum 25. The circular tube 24 is vertically arranged in the middle of the bottom of the waste chip chute 13, and the upper part of the circular tube 24 is covered with a lift. Type electric control drum 25, the left side bracket 14, the upper end of right side bracket 15 are respectively provided with left side rotation holding mechanism 3, right side rotation pressing mechanism 4, arch frame 16 inner top is provided with lifting type drilling mechanism 5 , The side wall of the main body frame 1 is provided with a control device 7 .

Wherein, the bottom of the main body frame 1 is provided with several anti-skid feet 11 , and the bottom of the waste trough 13 is provided with a valve 132 .

Wherein, the lower part of the main body frame 1 is provided with a setting cavity 12, and the setting cavity 12 is arranged below the waste chip chute 13, and the middle part of the bottom of the waste chip chute 13 is provided with a connecting through hole 131 communicating with the setting cavity 12, and the connecting through hole 131 Coaxial with the round pipe 24, the calibration mechanism 2 also includes a lower lifting mechanism 21, a lower servo motor 22, a connecting shaft 23, and an electromagnet 26. A lower lifting mechanism 21 is connected between the cavity walls, and a connecting shaft 23 is connected between the driving end of the lower servo motor 22 and the inner bottom of the lifting electric control drum 25. The connecting shaft 23 passes through the inner hole of the circular tube 24, and the connecting shaft 23, The circular tube 24 and the lift-type electric control drum 25 are coaxial, and an electromagnet 26 embedded in the wall of the top of the lift-type electric control drum 25 is provided.

Wherein, the left rotary pressing mechanism 3 includes a left displacement mechanism 31, a left servo motor 32, a left connecting rod 33, a left linear bearing 34, a left bearing 35, a left pressure block 36, a first left blind hole 361, a second The left blind hole 362, the right side rotary pressing mechanism 4 comprises the right displacement mechanism 41, the right servo motor 42, the right connecting rod 43, the right linear bearing 44, the right bearing 45, the right pressing block 46, the first right blind hole 461, the first Two right blind holes 462, left side support 14, right side support 15 upper end surfaces are respectively provided with left displacement mechanism 31, right displacement mechanism 41, and left displacement mechanism 31, right displacement mechanism 41 upper ends are respectively provided with left servomotor 32, right servomotor Motor 42, left servomotor 32, right servomotor 42 coaxial, left servomotor 32, the opposite end of right servomotor 42 are respectively provided with left connecting rod 33, right connecting rod 43, left connecting rod 33, right connecting rod 43 respectively Link to each other with left servo motor 32 drive shafts, right servo motor 42 drive shafts, left linear bearing 34, right linear bearing 44 are respectively sleeved on left connecting rod 33, right connecting rod 43 bar body, left linear bearing 34, right linear bearing 44 outside A left bearing 35 and a right bearing 45 are sleeved on the pipe wall respectively, and the left bearing 35 and the right bearing 45 are respectively fixed on the left and right ends of the arch frame 16, and the opposite ends of the left connecting rod 33 and the right connecting rod 43 are respectively provided with a left pressing block 36. The right pressing block 46, the opposite end faces of the left pressing block 36 and the right pressing block 46 are respectively provided with a first left blind hole 361, a first right blind hole 461, and the first left blind hole 361 and the first right blind hole 461 are in phase. To adapt, the opposite end faces of the left pressing block 36 and the right pressing block 46 are respectively provided with a second left blind hole 362 and a second right blind hole 462, which are compatible with the second left blind hole 362 and the second right blind hole 462. The blind holes 362 and the first left blind hole 361 are intersecting, and the second right blind hole 462 and the first right blind hole 461 are intersecting.

Wherein, the left servo motor 32, the left connecting rod 33, the left linear bearing 34, the left bearing 35, the right servo motor 42, the right connecting rod 43, the right linear bearing 44, the right bearing 45 are coaxial, the left displacement mechanism 31, the right The displacement mechanisms 41 are all arranged along the axial directions of the left connecting rod 33 and the right connecting rod 43 .

Wherein, the lifting type drilling mechanism 5 includes an upper displacement mechanism 51, a main top plate 52, an upper lifting mechanism 53, an auxiliary plate 54, a drilling device 55, a distance measuring sensor 56, and an upper displacement mechanism is arranged on the top of the arch frame 16. 51, the setting direction of the upper displacement mechanism 51 is perpendicular to the setting direction of the left displacement mechanism 31 and the right displacement mechanism 41, the lower end of the upper displacement mechanism 51 is provided with a main top plate 52, and the lower end of the main top plate 52 is provided with six upper lifting mechanisms 53, six upper The lifting mechanism 53 is evenly distributed along the setting direction of the upper displacement mechanism 51, and each upper lifting mechanism 53 bottom is provided with a sub-plate 54, and each sub-plate 54 lower end surface is provided with a group of drilling devices 55, and the sub-plate 54 lower end surface is provided with Distance measuring sensor 56 .

Wherein, the inner side of the notch of the waste chip chute 13 is provided with two blowing outlets 71, one blowing outlet 71 is arranged at the left end or the right end of the waste chip chute 13, and the other blowing outlet 71 is arranged at the front end or the rear end of the waste chip chute 13, blowing air The mouth 71 is located between the upper end surface of the lifting electric control drum 25 and the lower end surfaces of the left pressing block 36 and the right pressing block 46, and each blowing port 71 is connected with a fan 7 at the air inlet end.

Working process of the present invention:

During the working process of the cylinder head drilling device of the present invention, the cylinder head is a rectangular structure as a whole. Here we set the length, width and height of the cylinder head as a, b, and h respectively. Six groups of drilling devices 55 Backwards are the first group of drilling devices 55, the second group of drilling devices 55, the third group of drilling devices 55, the fourth group of drilling devices 55, the fifth group of drilling devices 55, and the sixth group of drilling devices 55, the first group of drilling devices 55, the second group of drilling devices 55, the third group of drilling devices 55, the fourth group of drilling devices 55, the fifth group of drilling devices 55, and the sixth group of drilling devices 55 respectively Corresponding to the upper end face, the front end face, the lower end face, the rear end face, the left end face and the right end face of the cylinder head, each group of drilling devices 55 is matched with drill bits of appropriate number and specification in advance, so that the drilling device 55 can be directly lowered when drilling. Move to process all the required drilling holes on the corresponding surface;

The first step: place the cylinder head horizontally between the left pressing block 36 and the right pressing block 46, run the left servo motor 32 and the right servo motor 42, and drive the left pressing block 36 and the right servo motor 42 respectively. The briquetting block 46 rotates so that the first left blind hole 361 and the first right blind hole 461 are compatible with the cylinder head, that is, the first left blind hole 361 is compatible with the bh surface of the left end of the cylinder head, and the first right blind hole 461 is compatible with the cylinder head. The bh surface at the right end of the cylinder head is compatible;

Second step: run the left displacement mechanism 31, the right displacement mechanism 41, the left displacement mechanism 31, the right displacement mechanism 41 drive the left servo motor 32, the right servo motor 42 to approach each other, and then make the left pressing block 36, the right pressing block 46 approach each other , so that the bh surface of the left end of the cylinder head is submerged in the first left blind hole 361, and the bh surface of the right end of the cylinder head is submerged in the first right blind hole 461, so that the left pressing block 36 and the right pressing block 46 cooperate to clamp the cylinder head;

Step 3: The left servo motor 32 and the right servo motor 42 rotate synchronously, so that the upper end surface, front end surface, lower end surface, and rear end surface of the cylinder head are in the uppermost horizontal state in sequence. When the upper end surface of the cylinder head is in the uppermost horizontal state, The upper displacement mechanism 51 drives the main top plate 52 to move forward, so that the first group of drilling devices 55 adapt to the upper end surface of the cylinder head, and then the upper lifting mechanism 53 drives the sub-plate 54 to move down, so that the first group of drilling devices 55 moves down. Drill holes on the upper end face of the cylinder head. After the drilling of the upper end face of the cylinder head is completed, then when the front end face of the cylinder head is in the uppermost horizontal state, the second group of drilling devices 55 are moved forward to cooperate with the front end face of the cylinder head, and The front end face of the cylinder head is drilled until the upper end face, front end face, lower end face and rear end face of the cylinder head are all drilled;

The fourth step: the left servo motor 32 and the right servo motor 42 rotate synchronously, so that the cylinder head is in a vertical state, the blower fan 7 is started, and the airflow ejected from the blower port 71 blows away the waste on the upper end surface of the electric control drum 25, and then The lower lifting mechanism 21 drives the lifting electric control drum 25 to move up to hold the cylinder head, and then the electromagnet 26 is activated to hold the cylinder head to prevent the cylinder head from moving;

Step 5: The left pressing block 36 and the right pressing block 46 loosen the clamping of the cylinder head, and then the lower servo motor 22 drives the lifting electric control drum 25 to rotate forward 90 degrees. At this time, the left and right ends of the cylinder head are ab surface, then the left servo motor 32 and the right servo motor 42 respectively drive the left pressing block 36 and the right pressing block 46 to rotate, so that the second left blind hole 362 and the second right blind hole 462 are compatible with the cylinder head, that is, the second The left blind hole 362 is adapted to the ab surface of the left end of the cylinder head, and the second right blind hole 462 is adapted to the ab surface of the right end of the cylinder head;

Step 6: Run the left displacement mechanism 31 and the right displacement mechanism 41, the left displacement mechanism 31 and the right displacement mechanism 41 drive the left servo motor 32 and the right servo motor 42 to approach each other, and then make the left pressing block 36 and the right pressing block 46 approach each other , and then the ab surface of the left end of the cylinder head is submerged in the second left blind hole 362, and the ab surface of the right end of the cylinder head is submerged in the second right blind hole 462, so that the left briquetting block 36 and the right briquetting block 46 cooperate to clamp the cylinder head;

Step 7: The left servo motor 32 and the right servo motor 42 rotate synchronously, so that the original left end surface of the cylinder head rotates to the uppermost water level state, and the fifth group of drilling devices 55 move forward to cooperate with the original left end surface of the cylinder head. The fifth group of drilling devices 55 moves down to perform drilling processing on the original left end face of the cylinder head. Similarly, the original right end face of the cylinder head is rotated to the state of the uppermost water level, and the sixth group of drilling devices 55 passes through a suitable After the displacement, the original right end face of the cylinder head is processed, so far the six end faces of the cylinder head have been drilled.

The invention is simple in structure and reasonable in design, can drill holes on the six sides of the cylinder head, and improve the drilling efficiency of the cylinder head; At the same time as the cylinder head, the cylinder head is rotated to facilitate the drilling process of the upper end face, front end face, lower end face and rear end face of the cylinder by the lifting drilling mechanism 5; 25 After holding the cylinder head, the lifting electric control drum 25 can hold the cylinder head and rotate, and then adjust the angle of the cylinder head, so that the cylinder head can be clamped by the left rotating holding mechanism 3 and the right rotating holding mechanism 4 at another angle. Hold, and then make the original left end surface of the cylinder head, the original right end surface be exposed, and then make the original left end surface of the cylinder head, the original right end surface can be drilled; The scraps on the electronically controlled drum 25 prevent the scraps from being clamped between the lifting type electronically controlled drum 25 and the cylinder head, which affects the accuracy of the lifting type electronically controlled drum 25 supporting the cylinder head.

The above-mentioned embodiment is an illustration of the present invention, not a limitation of the present invention, and any solution after a simple transformation of the present invention belongs to the protection scope of the present invention.

Claims (7)

1. Cylinder head drilling equipment, its characterized in that: comprises a main body frame (1), a scrap groove (13), a left side bracket (14), a right side bracket (15), an arch frame (16), a correction mechanism (2), a left side rotary pressing mechanism (3), a right side rotary pressing mechanism (4), a lifting type drilling mechanism (5) and a control device (7), wherein the scrap groove (13) and the arch frame (16) are respectively arranged in the middle and upper parts of the main body frame (1), the arch frame (16) is arranged at the notch of the scrap groove (13), the left end and the right end of the scrap groove (13) are respectively provided with the left side bracket (14) and the right side bracket (15), the left side bracket (14) and the right side bracket (15) are respectively arranged near the notch of the scrap groove (13), the groove bottom of the scrap groove (13) is provided with the correction mechanism (2), the correction mechanism (2) comprises a round pipe (24) and a lifting type electric control rotary drum (25), the round pipe (24) is vertically arranged in the middle of the groove bottom of the scrap groove (13), the upper part of the round pipe (24) is sleeved with the lifting type electric control rotary drum (25), the left side bracket (14) and the upper end of the right side bracket (15) is respectively provided with the rotary pressing mechanism (3) and the right side rotary pressing mechanism (4), the side wall of the main body frame (1) is provided with a control device (7).

2. The cylinder head drilling apparatus of claim 1, wherein: the bottom of the main body frame (1) is provided with a plurality of anti-slip support legs (11), and the bottom of the scrap groove (13) is provided with a valve (132).

3. The cylinder head drilling apparatus of claim 1, wherein: the utility model discloses a main part frame (1) lower part is equipped with sets up chamber (12), set up chamber (12) and establish in sweeps groove (13) below, sweeps groove (13) tank bottom middle part is equipped with and sets up connecting hole (131) that chamber (12) are linked together, connecting hole (131) are coaxial with pipe (24), correction mechanism (2) still contain lower part elevating system (21), lower part servo motor (22), connect pivot (23), electro-magnet (26), lower part servo motor (22) are established in setting up chamber (12), lower part servo motor (22) are connected with lower part elevating system (21) with setting up between chamber (12) cavity wall, lower part servo motor (22) drive end and elevating type automatically controlled rotary drum (25) inner bottom between be connected with connect pivot (23), connect pivot (23) and pipe (24), elevating type automatically controlled rotary drum (25) are coaxial, be equipped with electro-magnet (26) of embedded setting in the top section of thick bamboo wall.

4. The cylinder head drilling apparatus of claim 1, wherein: the left rotary pressing mechanism (3) comprises a left displacement mechanism (31), a left servo motor (32), a left connecting rod (33), a left linear bearing (34), a left bearing (35), a left pressing block (36), a first left blind hole (361) and a second left blind hole (362), the right rotary pressing mechanism (4) comprises a right displacement mechanism (41), a right servo motor (42), a right connecting rod (43), a right linear bearing (44), a right bearing (45), a right pressing block (46), a first right blind hole (461), a second right blind hole (462), the upper end surfaces of the left support (14) and the right support (15) are respectively provided with the left displacement mechanism (31) and the right displacement mechanism (41), the upper ends of the left displacement mechanism (31) and the right displacement mechanism (41) are respectively provided with the left servo motor (32) and the right servo motor (42), the left servo motor (32) and the right servo motor (42) are coaxial, one ends, opposite to the left servo motor (32) and the right servo motor (42) are respectively provided with the left connecting rod (33), the right connecting rod (43), and the left connecting rod (33) and the right connecting rod (43) are respectively connected with the left servo motor (32) and the left servo motor (33) and the drive shaft (42) The right connecting rod (43) rod body is respectively sleeved with a left linear bearing (34) and a right linear bearing (44), the outer tube wall of the left linear bearing (34) and the outer tube wall of the right linear bearing (44) are respectively sleeved with a left bearing (35) and a right bearing (45), the left bearing (35) and the right bearing (45) are respectively fixed at the left end and the right end of the arch frame (16), the opposite ends of the left connecting rod (33) and the right connecting rod (43) are respectively provided with a left pressing block (36) and a right pressing block (46), the opposite end surfaces of the left pressing block (36) and the right pressing block (46) are respectively provided with a first left blind hole (361) and a first right blind hole (461), the opposite end surfaces of the left pressing block (36) and the right pressing block (46) are respectively provided with a second left blind hole (362) and a second right blind hole (462), the second left blind hole (362) and the second right blind hole (462) are respectively distributed in a crossed mode, and the second left blind hole (362) and the first left blind hole (361) are distributed in a crossed mode.

5. The cylinder head drilling apparatus of claim 4, wherein: the left servo motor (32), the left connecting rod (33), the left linear bearing (34), the left bearing (35), the right servo motor (42), the right connecting rod (43), the right linear bearing (44) and the right bearing (45) are coaxial, and the left displacement mechanism (31) and the right displacement mechanism (41) are arranged along the axial directions of the left connecting rod (33) and the right connecting rod (43).

6. The cylinder head drilling apparatus of claim 5, wherein: the lifting type drilling mechanism (5) comprises an upper part displacement mechanism (51), a main top plate (52), an upper part lifting mechanism (53), auxiliary plates (54), drilling devices (55) and distance measuring sensors (56), wherein the upper part displacement mechanism (51) is arranged on the inner top of the arch frame (16), the arrangement direction of the upper part displacement mechanism (51) is vertical to the arrangement direction of the left displacement mechanism (31) and the right displacement mechanism (41), the lower end of the upper part displacement mechanism (51) is provided with the main top plate (52), the lower end surface of the main top plate (52) is provided with six upper part lifting mechanisms (53), the six upper part lifting mechanisms (53) are uniformly distributed along the arrangement direction of the upper part displacement mechanism (51), the bottom end of each upper part lifting mechanism (53) is provided with the auxiliary plates (54), the lower end surface of each auxiliary plate (54) is provided with a group of the drilling devices (55), and the lower end surface of each auxiliary plate (54) is provided with the distance measuring sensors (56).

7. The cylinder head drilling apparatus of claim 1, wherein: the inside of the notch of the scrap groove (13) is provided with two air blowing openings (71), one air blowing opening (71) is arranged at the left end or the right end of the scrap groove (13), the other air blowing opening (71) is arranged at the front end or the rear end of the scrap groove (13), the air blowing openings (71) are arranged between the upper end face of the lifting electric control rotary drum (25) and the lower end faces of the left pressing block (36) and the right pressing block (46), and the air inlet end of each air blowing opening (71) is connected with a fan (7).