CN217965998U

CN217965998U - Drilling device for machining precision cylinder cover

Info

Publication number: CN217965998U
Application number: CN202221225882.8U
Authority: CN
Inventors: 温辰飞; 张保军; 张红杰
Original assignee: Fugou County Longli Cylinder Head Co ltd
Current assignee: Fugou County Longli Cylinder Head Co ltd
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2022-12-06
Anticipated expiration: 2032-05-19

Abstract

The utility model relates to a drilling equipment technical field, specific drilling equipment is used in processing of accurate cylinder head that says so, include: the punching device comprises a workbench, wherein the top end of the workbench is fixedly connected with a top plate, the top end of the top plate is provided with a cylinder, the bottom end of the cylinder penetrates through the top plate and is fixedly connected with a mounting plate, and the top end of the mounting plate is provided with punching equipment; stop gear can accomplish the spacing to the cylinder head top automatically in the operation process of mounting panel among the device, prevent that the overdriving subassembly can avoid stop gear's centre gripping dynamics too big simultaneously, can prescribe a limit to the biggest centre gripping dynamics, play effective protection to the cylinder head when guaranteeing effective centre gripping, the spacing subassembly of self-adaptation can make the limiting plate can laminate the surface of cylinder head more, thereby improve spacing effect, and fixture uses jointly, realize the final location to the cylinder head, ensure that it can not take place the displacement when punching, ensure that the operation of punching goes on in order.

Description

Drilling device for machining precision cylinder cover

Technical Field

The utility model relates to a drilling equipment technical field, it is very much related to a drilling equipment is used in processing of accurate cylinder head.

Background

The cylinder cover is a cover of an engine and a part for closing the cylinder, and comprises a water jacket, a valve and a cooling fin, the cylinder cover needs to be punched during processing and production, the limiting effect of the existing drilling device is poor, when the clamping force is small, the cylinder cover is easy to displace during punching, and when the clamping force is too large, the surface of the cylinder cover can be damaged.

Therefore, a drilling device for precision cylinder head machining is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a following technical scheme realizes above-mentioned purpose, a drilling equipment is used in processing of accurate cylinder head, include: the top end of the workbench is fixedly connected with a top plate, the top end of the top plate is provided with a cylinder, the bottom end of the cylinder penetrates through the top plate and is fixedly connected with a mounting plate, the top end of the mounting plate is provided with a punching device, and the bottom end of the punching device penetrates out of the mounting plate; the clamping mechanism is arranged at the top end of the workbench; the limiting mechanism is arranged on the surface of the mounting plate; wherein, stop gear includes fixed connection in the installation plate surface prevent the overdrive subassembly, the bottom of preventing the overdrive subassembly is provided with the spacing subassembly of self-adaptation.

Preferably, prevent the overdrive subassembly include with the first gas storage frame of mounting panel fixedly connected with, the inner wall of first gas storage frame is provided with first piston plate, one side intercommunication of first gas storage frame has second gas storage frame, the interior roof fixedly connected with spring of second gas storage frame, the bottom fixedly connected with second piston plate of spring, the circular port has been seted up to one side upper end of second gas storage frame, one side lower extreme of second gas storage frame is provided with the solenoid valve.

Preferably, the spacing subassembly of self-adaptation includes the montant of fixed connection in first piston board bottom, the bottom of montant is run through first gas storage frame and is articulated to have a limiting plate, the spacing groove has been seted up on the top of limiting plate, the inner wall sliding connection of spacing groove has the stopper, the top of stopper articulates there is the hinge bar, the top and the montant of hinge bar are articulated mutually.

Preferably, the bottom of limiting plate is provided with the protection pad, evenly distributed's recess is seted up to the bottom of protection pad.

Preferably, the surfaces of the first piston plate and the second piston plate are provided with sealing rings.

Preferably, the clamping mechanism comprises a motor fixedly connected to the top end of the workbench, an output shaft of the motor is fixedly connected with a lead screw, the surface of the lead screw is in threaded connection with two threaded sleeves, the top end of each threaded sleeve is fixedly connected with a connecting rod, and the other end of each connecting rod is fixedly connected with a clamping plate.

Preferably, the back fixedly connected with gag lever post of workstation, the surperficial swing joint of gag lever post has two slip caps, slip cap and grip block fixed connection.

The utility model has the advantages that:

1. when the device is used, the mounting plate can drive the first gas storage frame to synchronously move, the protective pad is contacted with the top end of the cylinder cover, the limiting plate can automatically adjust the inclination, the limiting block can slide in the limiting groove, the hinge rod changes in angle, when the mounting plate continues to descend, the vertical rod can drive the first piston plate to move upwards in the first gas storage frame, the first piston plate compresses gas in the first gas storage frame, the gas can enter the second gas storage frame when compressed, the gas can push the second piston plate to move upwards when the gas pressure is too high, the spring is stressed and bent, when the second piston plate ascends to a certain position, a part of gas in the second gas storage frame can be discharged from the circular hole, the gas pressure is reduced, and the second piston plate can move downwards, the air pressure in the first air storage frame and the air pressure in the second air storage frame are always in a relative limit value, so that the strongest clamping force is controlled, the limiting mechanism can automatically limit the top end of the cylinder cover in the operation process of the mounting plate, meanwhile, the excessive driving prevention assembly can avoid overlarge clamping force of the limiting mechanism, the maximum clamping force can be limited, the effective clamping is ensured, the cylinder cover is effectively protected, the self-adaptive limiting assembly can enable the limiting plate to be more attached to the surface of the cylinder cover, so that the limiting effect is improved, the clamping mechanism is combined for use, the final positioning of the cylinder cover is realized, the cylinder cover is ensured not to be displaced during punching, and the punching operation is ensured to be performed orderly;

2. through setting up fixture, the motor drives the lead screw and takes place the rotation, two inside screw thread opposite direction of thread bush, two inside movements of thread bush simultaneously, utilize two connecting rods to drive grip block synchronous movement, utilize the grip block to inject the side of cylinder head, the slip cap is followed the grip block and is slided at the gag lever post surface in step simultaneously, play the purpose spacing to the grip block, fixture can carry out the centre gripping spacing to the both sides of cylinder head, and can provide the clamping-force to the centre simultaneously in the clamping-process, play the purpose of location placed in the middle to the cylinder head, increase the stability of cylinder head when punching.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the clamping mechanism of the present invention;

fig. 3 is a schematic structural view of the overdrive prevention assembly of the present invention;

fig. 4 is a schematic structural diagram of the limiting mechanism of the present invention.

In the figure: 1. a work table; 2. a top plate; 3. a cylinder; 4. mounting a plate; 5. a punching device; 6. a clamping mechanism; 601. a motor; 602. a screw rod; 603. a threaded sleeve; 604. a connecting rod; 605. a clamping plate; 606. a limiting rod; 607. a sliding sleeve; 7. a limiting mechanism; 701. an overdrive prevention assembly; 7011. a first gas storage frame; 7012. a second gas storage frame; 7013. a first piston plate; 7014. a spring; 7015. a second piston plate; 7016. a circular hole; 7017. an electromagnetic valve; 7018. a seal ring; 702. a self-adaptive limiting component; 7021. a vertical rod; 7022. a limiting plate; 7023. a protective pad; 7024. a groove; 7025. a limiting groove; 7026. a limiting block; 7027. a hinged lever.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the specific implementation: as shown in fig. 1 to 4, a drilling apparatus for precision cylinder head machining includes: the punching machine comprises a workbench 1, wherein the top end of the workbench 1 is fixedly connected with a top plate 2, the top end of the top plate 2 is provided with a cylinder 3, the bottom end of the cylinder 3 penetrates through the top plate 2 and is fixedly connected with a mounting plate 4, the top end of the mounting plate 4 is provided with punching equipment 5, and the bottom end of the punching equipment 5 penetrates through the mounting plate 4; the clamping mechanism 6 is arranged at the top end of the workbench 1; the limiting mechanism 7 is arranged on the surface of the mounting plate 4; wherein, stop gear 7 is including fixed connection in the excessive drive subassembly 701 of preventing on mounting panel 4 surface, the bottom of preventing excessive drive subassembly 701 is provided with the spacing subassembly 702 of self-adaptation, place the cylinder head that will process on workstation 1, utilize fixture 6 to accomplish preliminary injecing, restart cylinder 3, cylinder 3 drives mounting panel 4 downstream, the position of drilling equipment 5 is set for according to the cylinder head position that punches that needs, it can to adjust the position of drilling equipment 5 on mounting panel 4, and start drilling equipment 5, when mounting panel 4 descends, stop gear 7 can contact with the top of cylinder head, utilize stop gear 7 to carry out the relocating to the cylinder head of the in-process of punching, ensure the normal clear of the process of punching, fixture 6 can carry out centre gripping spacing to the both sides of cylinder head among the device, and can provide clamping-force to the centre simultaneously in the clamping process, to the cylinder head get up the mesh of location placed in the middle, increase the stability of cylinder head when punching, stop gear 7 can accomplish the spacing to the top of cylinder head in the operation of mounting panel 4 automatically, simultaneously, can avoid the too big clamping force of clamping mechanism 701, can guarantee the maximum effective spacing subassembly of carrying out the spacing subassembly of the effective use of guaranteeing to take place, thereby can guarantee the effective spacing subassembly of punching and can not take place the spacing subassembly 706 when the displacement of the clamping, thereby it can take place, make the effective use of the effective spacing subassembly of punching.

As shown in fig. 1, 3 and 4, the excessive driving prevention assembly 701 includes a first air storage frame 7011 fixedly connected to the mounting plate 4, a first piston plate 7013 is disposed on an inner wall of the first air storage frame 7011, a second air storage frame 7012 is communicated with one side of the first air storage frame 7011, a spring 7014 is fixedly connected to an inner top wall of the second air storage frame 7012, a second piston plate 7015 is fixedly connected to a bottom end of the spring 7014, a circular hole 7016 is formed at an upper end of one side of the second air storage frame 7012, an electromagnetic valve 7017 is disposed at a lower end of one side of the second air storage frame 7012, the adaptive limiting assembly 702 includes a vertical rod 7021 fixedly connected to a bottom end of the first piston plate 7013, a bottom end of the vertical rod 7021 penetrates the first air storage frame 7011 and is hinged to a limiting plate 7022, a limiting groove 7025 is formed at a top end of the limiting plate 7022, a limiting block 7026 is slidably connected to an inner wall of the limiting groove 7025, a hinge rod 7027 is hinged to a top end of the limiting block 7026, the bottom end of the limiting plate 7022 is provided with a protective pad 7023, the bottom end of the protective pad 7023 is provided with evenly distributed grooves 7024, the surfaces of the first piston plate 7013 and the second piston plate 7015 are both provided with a sealing ring 7018, the mounting plate 4 can drive the first gas storage frame 7011 to move synchronously when moving, the protective pad 7023 is contacted with the top end of the cylinder head, the limiting plate 7022 can automatically adjust the inclination, the limiting block 7026 can slide in the limiting groove 7025, the hinge rod 7027 changes the angle, when the mounting plate 4 continues to descend, the vertical rod 7021 can drive the first piston plate 7013 to move upwards in the first gas storage frame 7011, the first piston plate 7013 compresses gas in the first gas storage frame 7011, the gas can enter the second gas storage frame 7012 when compressed, the gas can push the second piston plate 7015 to move upwards when the gas pressure is too high, the spring 7014 is stressed and bent, when the second piston 7015 rises to a certain position, a part of gas in the second air storage frame 7012 can be discharged from the circular hole 7016, the air pressure is reduced, the second piston plate 7015 can move downwards, the air pressure in the first air storage frame 7011 and the second air storage frame 7012 is enabled to be always at a relative limit value, the strongest clamping force is controlled, after the punching operation is finished, the spring 7014 can drive the second piston plate 7015 to reset, the first piston plate 7013 is driven to move to the lowest position of the inner wall of the first air storage frame 7011 by air, the electromagnetic valve 7017 is opened again, the second air storage frame 7012 is enabled to be in contact with outside air, the air pressure in the first air storage frame 7011 and the second air storage frame 7012 is enabled to be the same as the outside, the next use of the limiting mechanism 7 cannot be influenced, the limiting mechanism 7 can automatically complete limiting on the top end of the cylinder head in the operation process of the mounting plate 4, meanwhile, the over-drive prevention assembly can avoid the overlarge clamping force of the limiting mechanism 7 from being too large, the maximum clamping force can be limited, effective clamping can be ensured, effective protection can be achieved while the self-adaptive limiting mechanism 702 can enable the cylinder head assembly 702 to be automatically limited to be capable of achieving the limiting effect of the limiting, the cylinder head 701, the displacement of the cylinder head assembly 701, the limiting mechanism 701 can be more orderly attached to be ensured, the limiting mechanism 701, the limiting mechanism can be combined with the displacement of the cylinder head, the cylinder head assembly 702, and the cylinder head can be more capable of achieving the punching operation, the limiting effect of the limiting mechanism 701, the displacement when the final limiting mechanism 701, and the final limiting mechanism can be combined with the punching operation of the cylinder head can be more orderly combined, and the punching operation of the cylinder head can be more, and the punching operation can be more.

As shown in fig. 1 and fig. 2, the clamping mechanism 6 includes a motor 601 fixedly connected to the top end of the workbench 1, an output shaft of the motor 601 is fixedly connected with a lead screw 602, a surface of the lead screw 602 is in threaded connection with two threaded sleeves 603, a top end of the threaded sleeve 603 is fixedly connected with a connecting rod 604, the other end of the connecting rod 604 is fixedly connected with a clamping plate 605, a back surface of the workbench 1 is fixedly connected with a limiting rod 606, a surface of the limiting rod 606 is movably connected with two sliding sleeves 607, the sliding sleeves 607 and the clamping plate 605 are fixedly connected, the motor 601 drives the lead screw 602 to rotate, internal threads of the two threaded sleeves 603 are opposite in direction, the two threaded sleeves 603 move inwards at the same time, the two connecting rods 604 drive the clamping plate 605 to move synchronously, the clamping plate 605 is limited to a side surface of the cylinder head by the clamping plate 605, the sliding sleeves 607 slide on the surface of the limiting plate 606 synchronously, so as to limit the clamping plate 605, the clamping mechanism 6 can clamp and limit two sides of the cylinder head, and can provide clamping force to the middle of the cylinder head simultaneously in the clamping process, so as to achieve the purpose of centering positioning of the cylinder head, and increase stability of the cylinder head in punching.

When the utility model is used, the cylinder cover to be processed is placed on the workbench 1, the preliminary limit is completed by the clamping mechanism 6, the motor 601 drives the screw rod 602 to rotate, the internal threads of the two thread sleeves 603 have opposite directions, the two thread sleeves 603 move inwards at the same time, the two connecting rods 604 are used for driving the clamping plate 605 to move synchronously, the side face of the cylinder cover is limited by the clamping plate 605, meanwhile, the sliding sleeve 607 slides on the surface of the limiting rod 606 along with the clamping plate 605 to limit the clamping plate 605, the cylinder 3 is started again, the cylinder 3 drives the mounting plate 4 to move downwards, the punching equipment 5 is started, the mounting plate 4 can drive the first gas storage frame 7011 to move synchronously when moving, the top ends of the protective pad 7023 and the cylinder cover are contacted, the limiting plate 7022 can automatically adjust the inclination, the limiting block 7026 can slide in the limiting groove 7025, the angle of the hinged rod 7027 changes, when the mounting plate 4 continues to descend, the vertical rod 7021 drives the first piston plate 7013 to move upwards in the first air storage frame 7011, the first piston plate 7013 compresses air in the first air storage frame 7011, the air enters the second air storage frame 7012 when being compressed, the air pushes the second piston plate 7015 to move upwards when the air pressure is too high, the spring 7014 is stressed and bent, when the second piston plate 7015 rises to a certain position, a part of the air in the second air storage frame 7012 can be discharged from the circular hole 7016, the air pressure is reduced, the second piston plate 7015 moves downwards, so that the air pressures in the first air storage frame 7011 and the second air storage frame 7012 are always at a relative limit value, the strongest clamping force is controlled, and the punching operation is facilitated.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A drilling device for machining a precision cylinder head, comprising:

the punching device comprises a workbench (1), wherein the top end of the workbench (1) is fixedly connected with a top plate (2), the top end of the top plate (2) is provided with a cylinder (3), the bottom end of the cylinder (3) penetrates through the top plate (2) and is fixedly connected with a mounting plate (4), the top end of the mounting plate (4) is provided with punching equipment (5), and the bottom end of the punching equipment (5) penetrates through the mounting plate (4);

the clamping mechanism (6) is arranged at the top end of the workbench (1);

the limiting mechanism (7) is arranged on the surface of the mounting plate (4);

the limiting mechanism (7) comprises an over-driving preventing assembly (701) fixedly connected to the surface of the mounting plate (4), and the bottom end of the over-driving preventing assembly (701) is provided with an adaptive limiting assembly (702).

2. The drilling device for precision cylinder head machining according to claim 1, wherein: prevent excessive drive assembly (701) include with the first gas storage frame (7011) of mounting panel (4) fixedly connected with, the inner wall of first gas storage frame (7011) is provided with first piston board (7013), one side intercommunication of first gas storage frame (7011) has second gas storage frame (7012), interior roof fixedly connected with spring (7014) of second gas storage frame (7012), the bottom fixedly connected with second piston board (7015) of spring (7014), circular port (7016) have been seted up to one side upper end of second gas storage frame (7012), one side lower extreme of second gas storage frame (7012) is provided with solenoid valve (7017).

3. The drilling device for precision cylinder head machining according to claim 2, wherein: spacing subassembly of self-adaptation (702) is including montant (7021) of fixed connection in first piston board (7013) bottom, the bottom of montant (7021) is run through first gas storage frame (7011) and is articulated to have limiting plate (7022), spacing groove (7025) have been seted up on the top of limiting plate (7022), the inner wall sliding connection of limiting groove (7025) has stopper (7026), the top of stopper (7026) articulates to have hinge bar (7027), the top and montant (7021) of hinge bar (7027) are articulated mutually.

4. A drilling device for precision cylinder head machining according to claim 3, wherein: the bottom of limiting plate (7022) is provided with protection pad (7023), evenly distributed's recess (7024) is seted up to the bottom of protection pad (7023).

5. The drilling device for precision cylinder head machining according to claim 2, wherein: and sealing rings (7018) are arranged on the surfaces of the first piston plate (7013) and the second piston plate (7015).

6. The drilling device for precision cylinder head machining according to claim 1, wherein: the clamping mechanism (6) comprises a motor (601) fixedly connected to the top end of the workbench (1), an output shaft of the motor (601) is fixedly connected with a lead screw (602), the surface of the lead screw (602) is in threaded connection with two threaded sleeves (603), the top end of each threaded sleeve (603) is fixedly connected with a connecting rod (604), and the other end of each connecting rod (604) is fixedly connected with a clamping plate (605).

7. The drilling device for precision cylinder head machining according to claim 6, wherein: the back of the workbench (1) is fixedly connected with a limiting rod (606), the surface of the limiting rod (606) is movably connected with two sliding sleeves (607), and the sliding sleeves (607) are fixedly connected with a clamping plate (605).