CN215845841U

CN215845841U - Drilling device for machining precision cylinder cover

Info

Publication number: CN215845841U
Application number: CN202122083265.0U
Authority: CN
Inventors: 束伟; 毛伟武; 魏波
Original assignee: Danyang Xuling Precision Components Co ltd
Current assignee: Danyang Xuling Precision Components Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-02-18
Anticipated expiration: 2031-08-31

Abstract

The utility model discloses a drilling device for machining a precision cylinder cover, which comprises a bottom plate, wherein the lower end of the bottom plate is fixedly connected with a first connecting box, a gear is arranged in the middle of the first connecting box, the upper end of the bottom plate is fixedly connected with a protective box, the left end and the right end of the protective box are movably connected with supporting rods, the middle of the lower end of each supporting rod is fixedly connected with a second connecting box, the left side and the right side of the upper end of the protective box are respectively and fixedly connected with cylinders, and the output ends of the two groups of cylinders are fixedly connected to the upper ends of the supporting rods; through opening the second motor and driving the connecting axle that its output is connected and rotate, mutual centre gripping motion is done to two sets of L type splint this moment, and the clamping labour saving and time saving gets up, and when two sets of clamp plates contacted the cylinder head, the continuous compression spring of T type pole, the clamp plate was just big more to the pressure of cylinder head under the spring action of spring this moment, prevented to rock from top to bottom at the drilling in-process cylinder head and lead to droing, improved the processing effect.

Description

Drilling device for machining precision cylinder cover

Technical Field

The utility model relates to the technical field of drilling devices, in particular to a drilling device for machining a precision cylinder cover.

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 is cast by cast iron or aluminum alloy, is an installation base body of a valve mechanism and also is a sealing cover of the cylinder, a combustion chamber is formed by the top of the cylinder and the top of a piston, a plurality of structures for casting a camshaft supporting seat and a tappet guide hole seat into a whole with the cylinder cover are adopted, and the damage phenomenon of the cylinder cover is mostly the warping deformation of the sealing plane of the cylinder cover and a cylinder hole; traditional cylinder head is mostly manual clamping when the drilling, and the clamping is got up comparatively difficultly, and simultaneously at the drilling in-process, the condition of shake about the cylinder head appears easily influences the processing effect, for this reason, we have released a drilling equipment for the processing of accurate cylinder head.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a drilling device for machining a precision cylinder cover, which solves the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a drilling device for machining a precision cylinder cover comprises a bottom plate, wherein a first connecting box is fixedly connected to the lower end of the bottom plate, a gear is arranged in the middle of the inside of the first connecting box and fixedly sleeved on a connecting shaft, the front end and the rear end of the connecting shaft are movably connected into the first connecting box through bearings, a first L-shaped rack and a second L-shaped rack are respectively meshed at the upper end and the lower end of the gear, the first L-shaped rack and the second L-shaped rack are respectively and movably connected into the first connecting box in a sliding mode, the upper ends of the first L-shaped rack and the second L-shaped rack are respectively and fixedly connected with an L-shaped clamping plate after penetrating through a sliding through groove, the front end of the connecting shaft extends out of the first connecting box and is fixedly connected to the output end of a second motor, the second motor is fixedly installed in an installation box, and the installation box can play a role in protecting the second motor after the second motor is installed;

the protective box is fixedly connected to the upper end of the bottom plate, the left end and the right end in the protective box are movably connected with supporting rods, the left end and the right end of each supporting rod are respectively and fixedly connected with pulleys, two groups of pulleys are respectively or slidably connected into T-shaped chutes, two groups of T-shaped chutes are respectively arranged in the middle of the left end and the right end in the protective box, and the pulleys are used for driving the supporting rods connected to the output ends of the two groups of cylinders to move downwards along the T-shaped chutes through the pulleys after the two groups of cylinders are opened, so that the drill bits are driven by the supporting rods to synchronously move downwards;

the utility model discloses a safety protection box, including bracing piece lower extreme middle part fixedly connected with second connecting box, fixed mounting has first motor in the second connecting box, first motor output stretches out fixedly connected with drill bit behind the second connecting box, set up the spring chamber respectively in the end about the second connecting box, it is two sets of spring chamber has the T type pole in the spring chamber cunning respectively, T type pole lower extreme stretches out fixedly connected with clamp plate behind the second connecting box, and is two sets of be equipped with the spring in the spring chamber respectively, the lower extreme of spring is fixed connection respectively in spring chamber upper end and T type pole upper end, there is the fixedly connected with cylinder respectively on the left and right sides of protection box upper end, and is two sets of cylinder output fixed connection is in the bracing piece upper end.

The side swing joint has the guard gate respectively about the guard box front end, the guard gate can prevent that the iron fillings that the cylinder head produced in the course of working from flying out, leads to the injured condition of operator, guard gate left end fixedly connected with handle, the handle can make things convenient for the operator to carry out centre gripping work to the cylinder head after opening the guard gate fast, guard gate middle part fixed mounting has the observation window, the observation window can be used to observe the processing condition of cylinder head in drilling process, bottom plate lower extreme is fixedly connected with supporting leg, four groups respectively all around the supporting leg is equidistant setting.

The L-shaped clamping plate right end and the lower end of the pressing plate are respectively pasted with a rubber protection pad, the bearing is fixedly connected in the first connecting box, the rubber protection pad can play a role in protecting the cylinder cover when the L-shaped clamping plate and the pressing plate contact the cylinder cover, and the cylinder cover is prevented from being indented after being clamped, so that the using effect of the cylinder cover is influenced.

Compared with the prior art, the utility model has the beneficial effects that: the second motor is turned on to drive the connecting shaft connected with the output end of the second motor to rotate, the first L-shaped rack and the second L-shaped rack which are meshed with the upper end and the lower end of the gear are driven by the gear to move leftwards and rightwards respectively, the two groups of L-shaped clamping plates perform mutual clamping movement, the cylinder cover is clamped at the moment, and time and labor are saved when the cylinder cover is clamped;

when two sets of clamp plates contacted the cylinder head, the T-shaped rod that is located the clamp plate upper end connection this moment moved upward along the spring chamber, and the spring was compressed this moment, and at the continuous decline in-process of bracing piece, the continuous compression spring of T-shaped rod, the clamp plate was just bigger to the pressure of cylinder head under the spring action of spring this moment, prevented to rock from top to bottom at drilling in-process cylinder head and lead to droing, improved the processing effect.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

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

FIG. 3 is a schematic view of a first L-shaped rack structure according to the present invention;

fig. 4 is a schematic front view of the present invention.

In the figure: 1. a base plate; 2. a protective box; 3. a T-shaped chute; 4. a pulley; 5. a cylinder; 6. a handle; 7. a support bar; 8. a first connection box; 9. a gear; 10. a second L-shaped rack; 11. supporting legs; 12. a connecting shaft; 13. a sliding connection through groove; 14. a first L-shaped rack; 15. an L-shaped splint; 16. a rubber protective pad; 17. a second connecting box; 18. a T-shaped rod; 19. pressing a plate; 20. a drill bit; 21. an observation window; 22. a spring cavity; 23. a spring; 24. a first motor; 25. installing a box; 26. a second motor; 27. a bearing; 28. a guard gate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a drilling device for machining a precision cylinder cover comprises a bottom plate 1, wherein a first connecting box 8 is fixedly connected to the lower end of the bottom plate 1, a gear 9 is arranged in the middle of the inside of the first connecting box 8, the gear 9 is fixedly sleeved on a connecting shaft 12, the front end and the rear end of the connecting shaft 12 are movably connected into the first connecting box 8 through bearings 27, the upper end and the lower end of the gear 9 are respectively engaged with a first L-shaped rack 14 and a second L-shaped rack 10, the first L-shaped rack 14 and the second L-shaped rack 10 are respectively movably connected into the first connecting box 8 in a sliding mode, and the upper ends of the first L-shaped rack 14 and the second L-shaped rack 10 are respectively and fixedly connected with an L-shaped clamping plate 15 after penetrating through a sliding connecting through groove 13;

the upper end of the bottom plate 1 is fixedly connected with a protective box 2, the left end and the right end in the protective box 2 are movably connected with a supporting rod 7, the middle part of the lower end of the supporting rod 7 is fixedly connected with a second connecting box 17, a first motor 24 is fixedly arranged in the second connecting box 17, the output end of the first motor 24 extends out of the second connecting box 17 and is fixedly connected with a drill bit 20, spring cavities 22 are respectively arranged at the left end and the right end of the second connecting box 17, T-shaped rods 18 are respectively connected in the two groups of spring cavities 22 in a sliding way, the lower end of the T-shaped rod 18 extends out of the second connecting box 17 and then is fixedly connected with a pressure plate 19, springs 23 are respectively arranged in the two groups of spring cavities 22, the upper end and the lower end of the spring 23 are respectively and fixedly connected with the upper end of the spring cavity 22 and the upper end of the T-shaped rod 18, the left side and the right side of the upper end of the protective box 2 are respectively fixedly connected with a cylinder 5, and the output ends of the cylinders 5 are fixedly connected to the upper end of a supporting rod 7.

Side swing joint has protection door 28 about 2 front ends of guard box respectively, protection door 28 can prevent that the iron fillings that the cylinder head produced in the course of working from flying out, leads to the injured condition of operator, protection door 28 left end fixedly connected with handle 6, handle 6 can make things convenient for the operator to open protection door 28 back fast and carry out centre gripping work to the cylinder head, protection door 28 middle part fixed mounting has observation window 21, observation window 21 can be used to observe the processing condition of cylinder head in drilling process, bottom plate 1 lower extreme is fixedly connected with supporting leg 11 all around respectively, four groups supporting leg 11 is equidistant setting.

The front end of the connecting shaft 12 extends out of the first connecting box 8 and then is fixedly connected to the output end of a second motor 26, the second motor 26 is fixedly installed in an installation box 25, the installation box 25 can protect the second motor 26 after the installation, when the second motor 26 is opened, the connecting shaft 12 connected with the output end of the second motor 26 rotates and drives the gear 9 to rotate synchronously, the first L-shaped rack 14 meshed with the upper end of the gear 9 moves rightwards under the driving of the gear 9, the second L-shaped rack 10 meshed with the lower end of the gear 9 moves leftwards under the driving of the gear 9, at the moment, the two groups of L-shaped clamping plates 15 perform mutual clamping movement, and at the moment, the cylinder cover is clamped.

End fixedly connected with pulley 4 respectively about bracing piece 7, two sets of pulley 4 is respectively or sliding connection in T type spout 3, and is two sets of end middle part about in protective housing 2 is seted up respectively to T type spout 3, pulley 4's effect is after opening two sets of cylinders 5, and bracing piece 7 that is located the connection of two sets of cylinders 5 output passes through pulley 4 and moves down along T type spout 3, and bracing piece 7 drives drill bit 20 synchronous downstream.

The right end of the L-shaped clamping plate 15 and the lower end of the pressure plate 19 are respectively adhered with a rubber protection pad 16, the bearing 27 is fixedly connected in the first connecting box 8, and the rubber protection pad 16 can protect a cylinder cover when the L-shaped clamping plate 15 and the pressure plate 19 contact the cylinder cover, so that the cylinder cover is prevented from being indented after being clamped, and the using effect of the cylinder cover is prevented from being influenced.

Specifically, when the device is used, the protective door 28 is opened through the handle 6, the cylinder cover to be processed is placed between the two groups of L-shaped clamping plates 15, the second motor 26 is opened, the connecting shaft 12 connected with the output end of the second motor 26 rotates and drives the gear 9 to synchronously rotate, the first L-shaped rack 14 meshed with the upper end of the gear 9 moves rightwards under the driving of the gear 9, the second L-shaped rack 10 meshed with the lower end of the gear 9 moves leftwards under the driving of the gear 9, the two groups of L-shaped clamping plates 15 perform mutual clamping movement, and the cylinder cover is clamped at the moment;

opening a first motor 24, the first motor 24 rotates to drive a drill bit 20 connected with the output end of the first motor to synchronously rotate, opening two groups of cylinders 5, at the moment, a support rod 7 connected with the output ends of the two groups of cylinders 5 moves downwards along a T-shaped sliding groove 3 through a pulley 4, the support rod 7 drives the drill bit 20 to synchronously move downwards, when two groups of pressure plates 19 contact a cylinder cover, at the moment, a T-shaped rod 18 connected with the upper end of the pressure plate 19 moves upwards along a spring cavity 22, at the moment, the spring 23 is compressed, in the continuous descending process of the support rod 7, the spring 23 is continuously compressed by the T-shaped rod 18, at the moment, the pressure of the pressure plate 19 on the cylinder cover under the elastic force of the spring 23 is larger, the cylinder cover is prevented from shaking up and down to cause falling off in the drilling process, after the drilling is finished, the two groups of cylinders 5 are controlled to do contraction movement, at the moment, the support rod 7 is lifted upwards until the support rod returns to the original position, and then the first motor 24 is closed, at this point, the drilling is complete and the L-clamp 15 is opened and out of the cylinder head by newly opening the second motor 26.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A drilling device for machining a precision cylinder head comprises a base plate (1), and is characterized in that: the lower end of the bottom plate (1) is fixedly connected with a first connecting box (8), a gear (9) is arranged in the middle of the inside of the first connecting box (8), the gear (9) is fixedly sleeved on a connecting shaft (12), the front end and the rear end of the connecting shaft (12) are movably connected into the first connecting box (8) through bearings (27), the upper end and the lower end of the gear (9) are respectively meshed with a first L-shaped rack (14) and a second L-shaped rack (10), the first L-shaped rack (14) and the second L-shaped rack (10) are respectively movably connected into the first connecting box (8) in a sliding manner, and the upper ends of the first L-shaped rack (14) and the second L-shaped rack (10) penetrate through a sliding connection through groove (13) and are respectively and fixedly connected with an L-shaped clamping plate (15);

the protective box is characterized in that the upper end of the bottom plate (1) is fixedly connected with a protective box (2), the left end and the right end in the protective box (2) are movably connected with a supporting rod (7), the middle part of the lower end of the supporting rod (7) is fixedly connected with a second connecting box (17), a first motor (24) is fixedly installed in the second connecting box (17), the output end of the first motor (24) extends out of the second connecting box (17) and is fixedly connected with a drill bit (20), spring cavities (22) are respectively formed in the left end and the right end of the second connecting box (17), T-shaped rods (18) are respectively connected in the two groups of spring cavities (22) in a sliding mode, the lower ends of the T-shaped rods (18) extend out of the second connecting box (17) and are fixedly connected with a pressing plate (19), springs (23) are respectively arranged in the two groups of spring cavities (22), and the upper ends and the lower ends of the springs (23) are respectively fixedly connected to the upper end of the spring cavities (22) and the upper end of the T-shaped rods (18), the left side and the right side of the upper end of the protective box (2) are respectively and fixedly connected with an air cylinder (5), and the output ends of the air cylinders (5) are fixedly connected to the upper end of a supporting rod (7).

2. The drilling device for precision cylinder head machining according to claim 1, wherein: side swing joint has guard gate (28) about guard box (2) front end respectively, guard gate (28) left end fixedly connected with handle (6), guard gate (28) middle part fixed mounting has observation window (21).

3. The drilling device for precision cylinder head machining according to claim 1, wherein: the lower end of the bottom plate (1) is fixedly connected with supporting legs (11) all around, and the four groups of supporting legs (11) are arranged at equal intervals.

4. The drilling device for precision cylinder head machining according to claim 1, wherein: the front end of the connecting shaft (12) extends out of the first connecting box (8) and then is fixedly connected to the output end of a second motor (26), and the second motor (26) is fixedly installed in the installation box (25).

5. The drilling device for precision cylinder head machining according to claim 1, wherein: the support rod (7) is fixedly connected with pulleys (4) at the left end and the right end respectively, the pulleys (4) are connected in the T-shaped sliding grooves (3) in a sliding mode respectively, and the T-shaped sliding grooves (3) are arranged in the middle of the left end and the right end of the protection box (2) respectively.

6. The drilling device for precision cylinder head machining according to claim 1, wherein: the rubber protection pad (16) is respectively pasted to L type splint (15) right-hand member and clamp plate (19) lower extreme, bearing (27) fixed connection is in first connecting box (8).