CN216681183U

CN216681183U - Fixing clamp for drilling and tapping engine piston of numerical control machining center

Info

Publication number: CN216681183U
Application number: CN202122385319.9U
Authority: CN
Inventors: 袁源远
Original assignee: Wuxi Bojin Precision Machinery Manufacturing Co Ltd
Current assignee: Wuxi Bojin Precision Machinery Manufacturing Co Ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-06-07
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a fixed clamp for a drilling and tapping engine piston of a numerical control machining center, which comprises a clamping seat, wherein slide cavities are respectively formed in the two sides of the clamping seat, a driving cavity is formed between the slide cavities in the two sides, a forward and reverse rotating motor is arranged on the lower side of the clamping seat, a rotating shaft extending to the inside of the driving cavity is fixedly connected to the top of the forward and reverse rotating motor, a driving wheel arranged in the driving cavity is fixedly connected to the top of the rotating shaft, driven wheels are respectively meshed with the two sides of the driving wheel, threaded shafts extending to the inside of the slide cavities are respectively fixedly connected to the opposite sides of the driven wheels, and sliding blocks are in threaded connection with the outer sides of the threaded shafts. This mounting fixture has good centre gripping effect to the generator piston, can adjust mounting fixture's centre gripping dynamics simultaneously, can avoid mounting fixture to damage or the piston aversion that centre gripping dynamics undersize leads to because of the too big piston that causes of centre gripping dynamics, satisfies people's user demand.

Description

Fixing clamp for drilling and tapping engine piston of numerical control machining center

Technical Field

The utility model relates to the technical field of clamps, in particular to a fixing clamp for a drilling and tapping engine piston of a numerical control machining center.

Background

The engine piston is the most severe part of the engine working condition, its main function is to bear the pressure of the combustion gas, it is the reciprocating machine part in the cylinder body of the automobile engine, in the process of processing the engine piston by the numerical control processing center or the drilling center, it needs to use the fixing clamp to clamp and fix the piston.

The current mounting fixture that is used for numerical control machining center to bore and attacks engine piston can't carry out the regulation of corresponding centre gripping dynamics according to the piston of equidimension not, and too big centre gripping dynamics can cause the damage of piston, and the centre gripping dynamics undersize can lead to the piston to shift in the course of working, consequently can't satisfy people's user demand.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the fixing clamp for the drilling and tapping engine piston of the numerical control machining center, which has a good clamping effect on the generator piston, can adjust the clamping force of the fixing clamp, can avoid piston damage caused by too large clamping force or piston displacement caused by too small clamping force of the fixing clamp, and meets the use requirements of people.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a stationary fixture of engine piston is attacked to numerical control machining center brill, includes the grip slipper, smooth chamber has been seted up respectively to the both sides inside of grip slipper, both sides drive chamber has been seted up between the smooth chamber, the downside of grip slipper is provided with the motor that just reverses, the top fixedly connected with of the motor that just reverses extends to the pivot of drive intracavity portion, the top fixedly connected with of pivot sets up the action wheel at drive intracavity portion, the both sides of action wheel mesh respectively from the driving wheel, from the looks back of the body side of driving wheel respectively fixedly connected with extend to the threaded shaft of smooth intracavity portion, the outside threaded connection of threaded shaft has the slider, the top fixedly connected with spliced pole of slider, the rectangular hole with smooth chamber intercommunication is seted up to the upper surface of grip slipper, the top fixedly connected with fixture of spliced pole.

Preferably, fixture include with spliced pole fixed connection's movable block, the inside of movable block is pegged graft and is had the supporting rod, the both sides of supporting rod fixedly connected with limiting plate and grip block respectively, be provided with the centre gripping spring of fixed connection in the supporting rod outside between grip block and the movable block.

Preferably, the outer side of the clamping plate is provided with a non-slip mat.

Preferably, a motor chamber is arranged outside the forward and reverse rotating motor.

Preferably, the threaded shaft is rotatably connected with the inner wall of the sliding cavity.

Preferably, the rectangular hole is matched with the size of the connecting column.

The utility model has the beneficial effects that:

1. when the clamping device is used, firstly, a piston to be processed is arranged on the upper surface of the clamping seat, the piston is fixed between the clamping plates on two sides by utilizing the elastic force generated when the clamping spring is compressed, then the forward and reverse rotating motor is started, the forward and reverse rotating motor drives the rotating shaft to rotate clockwise or anticlockwise, the rotating shaft drives the driving wheel to rotate clockwise or anticlockwise, the driving wheel is meshed with the driven wheels on two sides and drives the driven wheels to rotate clockwise or anticlockwise when rotating, the driven wheels drive the threaded shafts on two sides to rotate clockwise or anticlockwise, the threaded shafts on two sides drive the sliding blocks on two sides to move in opposite directions or opposite directions when rotating clockwise or anticlockwise, the sliding blocks drive the movable blocks to move in opposite directions or opposite directions through the connecting columns, and then the clamping plates on two sides are driven to move in opposite directions or opposite directions, the compression amount of the clamping spring is adjusted, so that the effect of adjusting the clamping force of the fixing clamp is achieved, and the phenomenon that the piston of the fixing clamp is damaged due to overlarge clamping force or the piston is prevented from moving due to undersize the clamping force A bit;

2. through setting up the slipmat, can increase the frictional force between grip block and the piston, improve this mounting fixture's centre gripping effect.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

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

FIG. 2 is a top view of a rectangular aperture configuration of the present invention;

fig. 3 is a schematic view of structural components of the clamping mechanism of the present invention.

Reference numbers in the figures: 1. a clamping seat; 2. a slide chamber; 3. a drive chamber; 4. a positive and negative rotation motor; 5. a rotating shaft; 6. a driving wheel; 7. a driven wheel; 8. a threaded shaft; 9. a slider; 10. connecting columns; 11. a rectangular hole; 12. a movable block; 13. a clamping rod; 14. a limiting plate; 15. a clamping plate; 16. a clamping spring; 17. a non-slip mat; 18. a motor chamber.

Detailed Description

The technical scheme of the utility model is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

Example one

As shown in fig. 1-3, the fixed clamp for drilling and tapping the engine piston in the numerical control machining center comprises a clamping base 1, wherein sliding cavities 2 are respectively formed in two sides of the clamping base 1, a driving cavity 3 is formed between the sliding cavities 2, a forward and reverse rotating motor 4 is arranged on the lower side of the clamping base 1, a motor chamber 18 is arranged on the outer side of the forward and reverse rotating motor 4, the forward and reverse rotating motor 4 is protected by the motor chamber 18, a rotating shaft 5 extending into the driving cavity 3 is fixedly connected to the top of the forward and reverse rotating motor 4, a driving wheel 6 arranged in the driving cavity 3 is fixedly connected to the top of the rotating shaft 5, driven wheels 7 are respectively meshed with two sides of the driving wheel 6, threaded shafts 8 extending into the sliding cavities 2 are respectively fixedly connected to opposite sides of the driven wheels 7, the threaded shafts 8 are rotatably connected to the inner walls of the sliding cavities 2, sliders 9 are in threaded connection with the outer sides of the threaded shafts 8, and connecting posts 10 are fixedly connected to the tops of the sliders 9, rectangular hole 11 with smooth 2 intercommunications in chamber is seted up to the upper surface of holder 1, the big or small adaptation of rectangular hole 11 and spliced pole 10, the top fixedly connected with fixture of spliced pole 10, fixture include with spliced pole 10 fixed connection's movable block 12, the inside of movable block 12 is pegged graft and is had supporting rod 13, supporting rod 13's both sides are fixedly connected with limiting plate 14 and grip block 15 respectively, be provided with the centre gripping spring 16 of fixed connection in the supporting rod 13 outside between grip block 15 and the movable block 12.

When the device is used, firstly, a piston to be processed is arranged on the upper surface of the clamping seat 1, the piston is fixed between the clamping plates 15 on the two sides by utilizing the elastic force generated when the clamping spring 16 is compressed, then the forward and reverse motor 4 is started, the rotating shaft 5 is driven by the forward and reverse motor 4 to rotate clockwise or anticlockwise, the rotating shaft 5 drives the driving wheel 6 to rotate clockwise or anticlockwise, the driving wheel 6 is meshed with the driven wheels 7 on the two sides when rotating and drives the driven wheels 7 to rotate clockwise or anticlockwise, the driven wheels 7 drive the threaded shafts 8 on the two sides to rotate clockwise or anticlockwise, the threaded shafts 8 on the two sides drive the sliding blocks 9 on the two sides to move towards or away from each other when rotating clockwise or anticlockwise, the sliding blocks 9 drive the movable blocks 12 to move towards or away from each other through the connecting columns 10, further, the clamping plates 15 on the two sides are driven to move towards or away from each other, the compression amount of the clamping spring 16 is adjusted, and the effect of adjusting the clamping force of the fixed clamp is achieved, piston damage caused by too large clamping force or piston displacement caused by too small clamping force of the fixing clamp is avoided.

Example two

Referring to fig. 3, as another preferred embodiment, the difference from the first embodiment is that the outer side of the clamping plate 15 is provided with the anti-slip pad 17, and by providing the anti-slip pad 17, the friction force between the clamping plate 15 and the piston can be increased, and the clamping effect of the fixing clamp can be improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a mounting fixture of engine piston is attacked to numerical control machining center brill, includes grip slipper (1), its characterized in that: the clamping device is characterized in that sliding cavities (2) are respectively formed in two sides of the clamping seat (1), driving cavities (3) are formed between the sliding cavities (2) in two sides, a forward and reverse rotating motor (4) is arranged on the lower side of the clamping seat (1), a rotating shaft (5) extending into the driving cavity (3) is fixedly connected to the top of the forward and reverse rotating motor (4), a driving wheel (6) arranged in the driving cavity (3) is fixedly connected to the top of the rotating shaft (5), driven wheels (7) are respectively meshed with two sides of the driving wheel (6), threaded shafts (8) extending into the sliding cavities (2) are respectively fixedly connected to the opposite sides of the driven wheels (7), a sliding block (9) is connected to the outer side of each threaded shaft (8) in a threaded manner, a connecting column (10) is fixedly connected to the top of the sliding block (9), and rectangular holes (11) communicated with the sliding cavities (2) are formed in the upper surface of the clamping seat (1), the top of the connecting column (10) is fixedly connected with a clamping mechanism.

2. The fixing clamp for the numerical control machining center to drill the engine piston as recited in claim 1, wherein: the clamping mechanism comprises a movable block (12) fixedly connected with a connecting column (10), a clamping rod (13) is inserted into the movable block (12), two sides of the clamping rod (13) are respectively fixedly connected with a limiting plate (14) and a clamping plate (15), and a clamping spring (16) fixedly connected to the outer side of the clamping rod (13) is arranged between the clamping plate (15) and the movable block (12).

3. The fixing clamp for the numerical control machining center to drill the engine piston as recited in claim 2, wherein: and the outer side of the clamping plate (15) is provided with an anti-skid pad (17).

4. The fixing clamp for the numerical control machining center to drill the engine piston as recited in claim 1, wherein: and a motor chamber (18) is arranged on the outer side of the forward and reverse rotating motor (4).

5. The fixed clamp for the numerical control machining center to drill the engine piston as recited in claim 1, wherein: the threaded shaft (8) is rotatably connected with the inner wall of the sliding cavity (2).

6. The fixing clamp for the numerical control machining center to drill the engine piston as recited in claim 1, wherein: the rectangular hole (11) is matched with the connecting column (10) in size.