CN212794094U

CN212794094U - Special clamp for machining automobile engine shell

Info

Publication number: CN212794094U
Application number: CN202021773650.7U
Authority: CN
Inventors: 孙绍先
Original assignee: Dalian Yeshengda Technology Co ltd
Current assignee: Dalian Yeshengda Technology Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-03-26
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses a special fixture for automobile engine casing processing belongs to car processing technology field, and it includes the arc curb plate, the upper surface of arc curb plate have with the lower fixed surface of splint be connected, the upper surface fixed surface of the lower surface bottom plate of arc curb plate is connected, the upper surface of arc curb plate is seted up flutedly. This a special fixture for automobile engine casing processing, through setting up airtight box, gas storehouse and air pump, atmospheric pressure passes through the hose afterwards and keeps synchronous atmospheric pressure to it in getting into a plurality of airtight box, atmospheric pressure passes through the breather plate afterwards and gets into airtight section of thick bamboo and pressure movable piston, the piston presses movable clamp splice through the slide bar afterwards, make it with the inseparable pressfitting of engine housing edge in the clamp groove, air current in the gas storehouse is taken out when the condition appears blockking in man-hour afterwards, can keep the not co-altitude clamping position of co-location to keep same centre gripping dynamics when this kind of mode does not block processing.

Description

Special clamp for machining automobile engine shell

Technical Field

The utility model belongs to the technical field of the car processing, specifically be a special fixture for automobile engine casing processing.

Background

The automobile as a walking tool of people plays a very important role in human development, wherein a core engine of the automobile further represents a crystal of human intelligence, wherein a common automobile engine needs a plurality of working procedures for processing during production, and particularly an engine shell has processing steps of drilling, grinding and the like, wherein the shell of the engine needs to be fixed during processing, however, the existing engine clamp forms a certain obstruction to drilling and the like of processing equipment by fixing the shell in a fixing mode during use, and simultaneously, the clamping force of the shell with an uneven surface is difficult to keep uniform.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the above-mentioned defect of prior art, the utility model provides a special fixture for automobile engine shell body processing has solved current engine fixture fixed mode when using and has formed certain hindrance to processing equipment drilling etc. to the shell is fixed, is difficult to accomplish the problem that the centre gripping dynamics keeps unity to the shell of surface unevenness simultaneously.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a special fixture for automobile engine housing processing, includes the arc curb plate, the upper surface of arc curb plate has the lower fixed surface connection with splint, the upper fixed surface connection of the lower surface bottom plate of arc curb plate, the upper surface of arc curb plate is seted up flutedly, the lower surface of recess inner wall and the bottom fixed connection of a plurality of electronic hydraulic stem, the bottom swing joint of round pin axle and transfer line is passed through on the top of electronic hydraulic stem, the lower surface swing joint of round pin axle and fly leaf is passed through on the top of transfer line, the upper surface of sliding sleeve joint at splint is passed through on the surface of electronic hydraulic stem and the surface of transfer line.

The utility model discloses a pneumatic structure, including the fly leaf, splint, fixed surface, the left surface of fly leaf is through the top fixed connection of round pin axle with the telescopic link, the bottom of telescopic link is connected with the upper surface fixed of splint, the upper surface of fly leaf is connected with pneumatic structure's lower fixed surface, pneumatic structure's upper surface is linked together through the left surface of hose with the gas storehouse, the upper surface of gas storehouse is provided with the air pump, the lower surface of gas storehouse is connected with the upper fixed surface of bottom plate, the upper surface of splint has seted up the clamp groove, the lower surface of clamp inslot wall has seted up the double-layered hole.

As a further aspect of the present invention: the surface of the hose is provided with an electromagnetic valve, the surface of the hose is sleeved with a limiting sleeve, and the right side face of the limiting sleeve is fixedly connected with the left side face of the clamping plate.

As a further aspect of the present invention: the inner wall joint of arc curb plate has the baffle, the lower surface that presss from both sides the inslot wall is provided with the rubber layer.

As a further aspect of the present invention: the specific shapes of the clamping groove and the clamping hole are matched with the engine shell which is specifically processed.

As a further aspect of the present invention: the pneumatic structure comprises an airtight box, the upper surface of the airtight box is communicated with one end of a hose, a vent plate is connected in the airtight box in a clamped mode, a plurality of air holes are formed in the surface of the vent plate, the lower surface of the vent plate is fixedly connected with the top ends of a plurality of airtight cylinders, the bottom ends of the airtight cylinders are fixedly connected with the lower surface of the inner wall of the airtight box, pistons are connected in the airtight cylinders in a sliding mode, the lower surfaces of the pistons are fixedly connected with the top ends of sliding rods, the surfaces of the sliding rods are connected to the lower surfaces of the movable plate and the airtight box in a clamped mode through the same sliding sleeve, and the bottom ends of the sliding rods are.

(III) advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the special clamp for processing the automobile engine shell comprises an airtight box, an airtight cylinder, a piston, a slide bar, a clamping block, a clamping groove, a clamping plate, a hose, an air bin and an air pump, when in use, the air pump generates air pressure in the air bin, then the air pressure enters a plurality of airtight boxes through the hoses to keep synchronous air pressure, then the air pressure enters the airtight boxes through the vent plates and presses the pistons, then the pistons press the clamping blocks through the slide bars to tightly press the edges of the shell of the engine in the clamping grooves, then the air flow in the air bin is pumped out when the blocking condition occurs during processing, then the slide bars are contracted, at the same time, the solenoid valve of the hose in the designated area is closed, then the air pump generates air pressure, so that the slide bar in the fixed area can not slide out to be clamped, the mode does not block the processing, and simultaneously can keep the clamping positions at different positions and different heights to keep the same clamping force.

2. This a special fixture for automobile engine shell processing, through setting up the fly leaf, the telescopic link, electronic hydraulic stem, pneumatic structure and transfer line, when the staff uses, it is flexible to drive the fly leaf at the activity of telescopic link top through the transfer line when electronic hydraulic stem is flexible, when loosening the centre gripping, electronic hydraulic stem extension, make the fly leaf drive the telescopic link extension, the fly leaf is the arc motion to the left side of following the telescopic link until the longest back fly leaf of telescopic link, when the centre gripping, electronic hydraulic stem shrink, pass through transfer line pulling fly leaf afterwards, make it at first drive the telescopic link and shorten, after telescopic stem length is the shortest afterwards, the fly leaf resets, and through the slide bar with accelerate with the shell centre gripping can, the placing of shell can be made things convenient for to this kind of mode.

3. This a special fixture for automobile engine housing processing through setting up baffle, double-layered hole and bottom plate, the baffle can play the sweeps effect of collecting the storage when using, and the unnecessary salient of engine case can make things convenient for simultaneously to press from both sides the hole and passes, can effectively prevent to appear inclining when placing and cause inconvenience for the centre gripping is fixed.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the pneumatic structure of the present invention;

fig. 3 is a schematic structural diagram of the airtight box of the present invention viewed from above;

in the figure: the device comprises an arc-shaped side plate 1, a clamping plate 2, a pneumatic structure 3, an airtight box 31, an air vent plate 32, an airtight cylinder 33, a piston 34, a sliding rod 35, a clamping block 36, a bottom plate 4, a groove 5, a clamping groove 6, a clamping hole 7, an electric hydraulic rod 8, an air pump 9, an expansion rod 10, a partition plate 11, a hose 12, an air bin 13, a movable plate 14, a limiting sleeve 15 and a transmission rod 16.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-3, the utility model provides a technical solution: a special fixture for processing an automobile engine shell comprises an arc-shaped side plate 1, wherein the upper surface of the arc-shaped side plate 1 is fixedly connected with the lower surface of a clamping plate 2, the upper surface of a lower surface bottom plate 4 of the arc-shaped side plate 1 is fixedly connected, a groove 5 is formed in the upper surface of the arc-shaped side plate 1, the lower surface of the inner wall of the groove 5 is fixedly connected with the bottom ends of a plurality of electric hydraulic rods 8, the top end of each electric hydraulic rod 8 is movably connected with the bottom end of a transmission rod 16 through a pin shaft, the top end of the transmission rod 16 is movably connected with the lower surface of, by arranging the movable plate 14, the movable plate 14 can have a good linkage effect when in use, so that the movable plate can move under the action of the telescopic rod 10, meanwhile, the height of the electric hydraulic rod 8 can be changed conveniently, and the surface of the electric hydraulic rod 8 and the surface of the transmission rod 16 are connected to the upper surface of the clamping plate 2 through sliding sleeves in a clamping mode.

The left surface of fly leaf 14 is through the top fixed connection of round pin axle with telescopic link 10, the bottom of telescopic link 10 is connected with the upper surface fixed connection of splint 2, the upper surface of fly leaf 14 and the lower fixed surface of pneumatic structure 3 are connected, the upper surface of pneumatic structure 3 is linked together through the left surface of hose 12 with gas storehouse 13, the upper surface of gas storehouse 13 is provided with air pump 9, the lower surface of gas storehouse 13 is connected with the upper surface fixed connection of bottom plate 4, the upper surface of splint 2 has been seted up and has been pressed from both sides groove 6, the lower surface of pressing from both sides 6 inner walls has been seted up and has been pressed from both.

Specifically, as shown in fig. 1, the surface of the hose 12 is provided with an electromagnetic valve, the surface of the hose 12 is sleeved with a stop collar 15, the right side surface of the stop collar 15 is fixedly connected with the left side surface of the clamping plate 2, the inner wall of the arc-shaped side plate 1 is clamped with a partition plate 11, the lower surface of the inner wall of the clamping groove 6 is provided with a rubber layer, the specific shape of the clamping groove 6 and the clamping hole 7 is matched with the specifically processed engine shell, through the arrangement of the electromagnetic valve, the electromagnetic valve can play a role in sealing the designated hose 12 so that the hose is not communicated with an air flow, through the arrangement of the stop collar 15, the stop collar 15 can play a good limiting role for the hose 12, through the arrangement of the arc-shaped side plate 1, the arc-shaped side plate 1 plays a good role in fixing and supporting, meanwhile, the groove 5 formed above can play a good role in protecting the electro-hydraulic rod 8, through setting up the rubber layer, the rubber layer can play certain buffering effect to it when engine case centre gripping, through setting up the double-layered groove 6, the shape of double-layered groove 6 and engine case agrees with mutually makes it can play fine location and limiting displacement.

Specifically, as shown in fig. 2, the pneumatic structure 3 includes an airtight box 31, an upper surface of the airtight box 31 is communicated with one end of the hose 12, a vent plate 32 is connected in the airtight box 31 in a clamping manner, a plurality of vent holes are formed on a surface of the vent plate 32, a lower surface of the vent plate 32 is fixedly connected with top ends of a plurality of airtight cylinders 33, a bottom end of each airtight cylinder 33 is fixedly connected with a lower surface of an inner wall of the airtight box 31, a piston 34 is connected in the airtight cylinder 33 in a sliding manner, a lower surface of the piston 34 is fixedly connected with a top end of a sliding rod 35, a surface of the sliding rod 35 is connected with lower surfaces of the movable plate 14 and the airtight box 31 in a clamping manner by a same sliding sleeve, a bottom end of the sliding rod 35 is fixedly connected with an upper surface of a clamping block 36, by providing the vent plate 32, the vent plate 32 can play a role in fixing the airtight, by providing the clamp blocks 36, the clamp blocks 36 can fix the engine housing, and keep it pressed.

The utility model discloses a theory of operation does:

s1, when a worker places the engine shell, firstly, the electro-hydraulic rod 8 is driven to extend, then, the electro-hydraulic rod 8 extends, the movable plate 14 drives the telescopic rod 10 to extend, and the movable plate 14 moves to the left side of the telescopic rod 10 in a circular manner under the action of the transmission rod 16 after the telescopic rod 10 is longest;

s2, after the shell is placed, the electric hydraulic rod 8 contracts, then the movable plate 14 is pulled through the transmission rod 16, the telescopic rod 10 is driven to be shortened firstly, then the movable plate 14 resets after the telescopic rod 10 is shortest in length, then the corresponding hose 12 which does not need to be clamped is closed according to needs, the hose 12 is closed through the electromagnetic valve, and then the air pump 9 generates air pressure in the air bin 13;

s3, the air pressure enters the air tight boxes 31 through the hose 12 to keep the synchronous air pressure, then the air pressure enters the air tight cylinder 33 through the vent plate 32 and presses the piston 34, then the piston 34 presses the clamping block 36 through the slide bar 35, so that the edge of the engine shell is tightly pressed in the clamping groove 6, and the blocked fixed part is not clamped.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a special fixture for automobile engine shell processing, includes arc curb plate (1), its characterized in that: the upper surface of the arc-shaped side plate (1) is fixedly connected with the lower surface of the clamping plate (2), the upper surface of the lower surface bottom plate (4) of the arc-shaped side plate (1) is fixedly connected, the upper surface of the arc-shaped side plate (1) is provided with a groove (5), the lower surface of the inner wall of the groove (5) is fixedly connected with the bottom ends of a plurality of electric hydraulic rods (8), the top ends of the electric hydraulic rods (8) are movably connected with the bottom end of a transmission rod (16) through pin shafts, the top end of the transmission rod (16) is movably connected with the lower surface of a movable plate (14) through pin shafts, and the surface of the electric hydraulic rods (8) and the surface of the transmission rod (16) are clamped on the upper surface of the clamping plate (;

the left surface of fly leaf (14) is through the top fixed connection of round pin axle with telescopic link (10), the bottom of telescopic link (10) and the upper surface fixed connection of splint (2), the upper surface of fly leaf (14) and the lower fixed surface of pneumatic structure (3) are connected, the upper surface of pneumatic structure (3) is linked together through the left surface of hose (12) with gas storehouse (13), the upper surface of gas storehouse (13) is provided with air pump (9), the lower surface of gas storehouse (13) and the upper surface fixed connection of bottom plate (4), the upper surface of splint (2) has been seted up and has been pressed from both sides groove (6), press from both sides hole (7) have been seted up to the lower surface of pressing from both sides groove (6) inner wall.

2. The special fixture for machining the automobile engine shell as claimed in claim 1, wherein: the surface of the hose (12) is provided with an electromagnetic valve, the surface of the hose (12) is sleeved with a limiting sleeve (15), and the right side surface of the limiting sleeve (15) is fixedly connected with the left side surface of the clamping plate (2).

3. The special fixture for machining the automobile engine shell as claimed in claim 1, wherein: the inner wall of the arc-shaped side plate (1) is clamped with a partition plate (11), and a rubber layer is arranged on the lower surface of the inner wall of the clamping groove (6).

4. The special fixture for machining the automobile engine shell as claimed in claim 1, wherein: the specific shapes of the clamping groove (6) and the clamping hole (7) are matched with the engine shell which is specifically processed.

5. The special fixture for machining the automobile engine shell as claimed in claim 1, wherein: the pneumatic structure (3) comprises an airtight box (31), the upper surface of the airtight box (31) is communicated with one end of a hose (12), an air vent plate (32) is connected in the airtight box (31) in a clamping mode, a plurality of air vents are formed in the surface of the air vent plate (32), the lower surface of the air vent plate (32) is fixedly connected with the top ends of a plurality of airtight cylinders (33), the bottom ends of the airtight cylinders (33) are fixedly connected with the lower surface of the inner wall of the airtight box (31), pistons (34) are connected in the airtight cylinders (33) in a sliding mode, the lower surfaces of the pistons (34) are fixedly connected with the top ends of sliding rods (35), the surfaces of the sliding rods (35) are connected with the lower surfaces of the movable plate (14) and the airtight box (31) in a clamping mode through the same sliding sleeve, and the bottom ends of the sliding rods (35) are fixedly connected with.