CN217143235U

CN217143235U - Auxiliary supporting device

Info

Publication number: CN217143235U
Application number: CN202123195118.9U
Authority: CN
Inventors: 金圣哲; 路明鹏; 王吉慧
Original assignee: Yantai Modeteco Mechanical Fixture Co ltd
Current assignee: Yantai Modeteco Mechanical Fixture Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-08-09
Anticipated expiration: 2031-12-17

Abstract

The utility model relates to an auxiliary supporting device, including cylinder liner one, base, bracing piece and voussoir, cylinder liner one is installed on the base, be equipped with passageway one in the cylinder liner one, be equipped with crossing passageway two and passageway three in the base, passageway two with the coaxial setting of passageway, the bracing piece slides and sets up passageway one with in the passageway two, be equipped with the voussoir in the passageway three, the voussoir is connected with drive arrangement and along three reciprocating motion in the passageway be equipped with inclined plane one on the voussoir, the lower extreme of bracing piece is equipped with corresponding inclined plane two, when the bracing piece supports the work piece, inclined plane one with inclined plane two offsets. Through with the coaxial setting of passageway one and passageway two, make bracing piece reciprocating motion in passageway one and passageway two, increased the flexible stroke of bracing piece, satisfy the user demand that the bracing piece contracts the operating mode by a wide margin, avoid the bracing piece to take place to interfere when the work piece upset, guarantee that the work piece can normally overturn.

Description

Auxiliary supporting device

Technical Field

The utility model relates to a machining auxiliary fixtures technical field, concretely relates to auxiliary stay device.

Background

The axle is a key bearing and transmission part on the automobile and plays a decisive role in the bearing performance of the automobile. With the vigorous development of automobile processing and production technology in China, the processing and manufacturing technology of the axle is also continuously perfected and improved. The axle housing is complex in structure, more in processing content and distributed on different processing surfaces, wherein the perpendicularity precision requirement exists between the end face of the axle lute hole and the axle hole on the back surface of the axle lute hole in the processing process, so that a workpiece needs to be turned over after the lute hole is processed, and the axle hole is processed. In order to avoid the auxiliary support rod interfering with the overturning stroke of the axle, the auxiliary support rod needs to be greatly retracted. Because the sliding surfaces of the existing supporting rods and the wedges do not separate in the working process, the retraction stroke of the supporting rods is limited, and the axle cannot normally turn over.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the stroke that contracts to returning of current bracing piece is less, influences the problem of work piece upset processing, provides an auxiliary stay device.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides an auxiliary supporting device, includes cylinder liner one, base, bracing piece and voussoir, cylinder liner one is installed on the base, be equipped with passageway one in the cylinder liner one, be equipped with crossing passageway two and passageway three in the base, passageway two with the coaxial setting of passageway one, the bracing piece slides and sets up passageway one with in the passageway two, be equipped with the voussoir in the passageway three, the voussoir is connected with drive arrangement and along three reciprocating motion of passageway, be equipped with inclined plane one on the voussoir, the lower extreme of bracing piece is equipped with corresponding inclined plane two, when the bracing piece supported the work piece, inclined plane one with inclined plane two offsets.

On the basis of the technical scheme, the utility model discloses a reach the convenience of use and the stability of equipment, can also make following improvement to foretell technical scheme:

furthermore, a first piston is arranged on the supporting rod, the first piston is matched with the first channel to form a first sealed pneumatic cylinder, a first compressed air opening is formed in the first pneumatic cylinder, and a first elastic body is sleeved on the supporting rod at the lower end of the first piston.

Furthermore, a first guide sleeve is arranged in the first channel, a first stop table is arranged on the first guide sleeve, and one end of the elastic body abuts against the first stop table.

Further, drive arrangement includes telescopic link and cylinder liner two, the one end of telescopic link with the voussoir is connected, other end cartridge in the through-hole of cylinder liner two, be equipped with piston two on the telescopic link, piston two with the through-hole cooperation forms sealed pneumatic cylinder two, be equipped with compressed air mouth two on the pneumatic cylinder two, the cover is equipped with elastomer two on the telescopic link, elastomer two with pneumatic cylinder two is located respectively the both ends of piston two.

Furthermore, an end cover is arranged on the third channel, the end cover and the telescopic rod are arranged oppositely, a limiting rod is arranged on the end cover, and the limiting rod is located in the third channel.

And the cushion block is positioned between the first cylinder sleeve and the second cylinder sleeve, and a containing groove for containing the wedge block is formed in the cushion block.

Furthermore, a limit stop is arranged on the support rod, and a corresponding limit switch is arranged on the side wall of the first cylinder sleeve.

Further, a second guide sleeve is arranged in the through hole of the second cylinder sleeve, a second stopping platform is arranged on the second guide sleeve, the second elastomer abuts against the second stopping platform, and a protective cover is arranged at the end of the second cylinder sleeve.

Furthermore, a guide wheel is arranged on the supporting rod and is positioned at one end of the second inclined surface.

The utility model has the advantages that:

1. the utility model discloses a with the coaxial setting of passageway one and passageway two, make bracing piece reciprocating motion in passageway one and passageway two, increased the flexible stroke of bracing piece, satisfy the user demand that needs the bracing piece to contract the operating mode by a wide margin, guarantee that the work piece can upset processing, avoid the bracing piece to take place to interfere when the work piece upset.

2. The supporting force of the supporting rod is provided by the elastic body, the supporting force is small, and the problem that the workpiece is deformed due to overlarge supporting force is solved.

3. The wedge block wedging force is provided by the second elastic body, the force is small, and the problem that the workpiece is deformed due to the fact that the supporting rod excessively supports the workpiece due to the fact that the wedging force is too large is solved.

4. When the supporting rod supports the workpiece, the supporting rod is wedged tightly through the matching of the two inclined planes, the situation that the supporting rod returns back in the working process is avoided, and the workpiece can be normally processed.

5. The elastic force of the elastic body is overcome through the arrangement of the first pneumatic cylinder and the second pneumatic cylinder through the pneumatic pressure, the supporting rod and the wedge block are retracted to the specified position, and the interference of the supporting rod on a turned workpiece is avoided.

6. The retraction stroke of the supporting rod is controlled by arranging the limit switch and the limit stop block which are matched, and the supporting rod is ensured to retract to a specified position.

7. Through set up the gag lever post in three passageways, control the distance that the wedge piece removed to realize controlling wedging power, avoid wedging too big work piece emergence deformation's problem that leads to.

Drawings

FIG. 1 is a schematic view of the supporting state of the auxiliary supporting device of the present invention;

fig. 2 is a schematic view of the auxiliary supporting device in a retracted state according to the present invention.

The reference numbers are recorded as follows: 1. a base; 2. an end cap; 3. a guide wheel; 4. a support bar; 5. an elastic body I; 6. a first guide sleeve; 7. a first cylinder sleeve; 8. a limit switch; 9. a limit stop block; 10. supporting a contact; 11. a fastener; 12. a wedge block; 13. cushion blocks; 14. a second cylinder sleeve; 15. an elastic body II; 16. a second guide sleeve; 17. a telescopic rod; 18. a protective cover; 19. a first compressed air port; 20. a second compressed air port; 21. a first pneumatic cylinder; 22. a second pneumatic cylinder; 23. a first piston; 24. and a second piston.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 and 2, the utility model discloses an auxiliary supporting device, including cylinder liner 7, base 1, bracing piece 4 and voussoir 12, cylinder liner 7 is installed on the base 1, be equipped with passageway one in the cylinder liner 7, be equipped with crossing passageway two and passageway three in the base 1, passageway two with a coaxial setting of passageway, bracing piece 4 slides and sets up passageway one with in the passageway two, the upper end of bracing piece 4 is equipped with the support contact 10 that is used for supporting the work piece, be equipped with voussoir 12 in the passageway three, voussoir 12 is connected with drive arrangement and along three reciprocating motion in the passageway, be equipped with inclined plane one on the voussoir 12, the lower extreme of bracing piece 4 is equipped with corresponding inclined plane two, when bracing piece 4 supports the work piece, inclined plane one with inclined plane two offsets.

The supporting rod 4 is provided with a first piston 23, the first piston 23 is matched with the first channel to form a first sealed pneumatic cylinder 21, the first pneumatic cylinder 21 is provided with a first compressed air port 19, the supporting rod 4 at the lower end of the first piston 23 is sleeved with a first elastic body 5, and the first compressed air port 19 is connected with a compressed air source, so that sufficient air pressure is contained in the first pneumatic cylinder 21, and the supporting rod 4 is moved downwards by overcoming the elastic force of the first elastic body 5.

A first guide sleeve 6 is arranged in the first channel, a first stop table is arranged on the first guide sleeve 6, and one end of the elastic body abuts against the first stop table. The supporting rod 4 is convenient to mount and dismount through the guide sleeve I6, so that the piston I23 on the supporting rod 4I can be smoothly placed into the channel I, and the sealing performance of the pneumatic cylinder I21 can be guaranteed.

The driving device comprises an expansion rod 17 and a second cylinder sleeve 14, one end of the expansion rod 17 is connected with the wedge block 12, the other end of the expansion rod is inserted into a through hole of the second cylinder sleeve 14, the wedge block 12 is detachably mounted on the expansion rod 17 through a fastener 11 such as a screw or a bolt, the wedge block 12 with different inclination angles is replaced according to the wedging force required by a workpiece, the supporting requirements of various workpieces are met, a second piston 24 is arranged on the expansion rod 17, the second piston 24 is matched with the through hole to form a second sealed pneumatic cylinder 22, a second compressed air port 20 is arranged on the second pneumatic cylinder 22, the second compressed air port 20 is connected with a compressed air source, a second elastic body 15 is sleeved on the expansion rod 17, and the second elastic body 15 and the second pneumatic cylinder 22 are respectively located at two ends of the second piston 24.

Optionally, the driving device may also be an electric push rod or a pneumatic push rod, and can also achieve the function of driving the wedge 12 to reciprocate along the channel three.

And an end cover 2 is arranged on the third channel, the end cover 2 and the telescopic rod 17 are arranged oppositely, a limiting rod is arranged on the end cover 2, and the limiting rod is positioned in the third channel. Through set up the gag lever post in three passageways, control the distance that voussoir 12 removed to the realization is controlled the wedging power, avoids the too big problem that leads to the work piece to take place to warp of wedging power.

Alternatively, the moving distance of the wedge 12 may be controlled by controlling the elastic force of the second elastic body 15 and the magnitude of the wedging force between the two inclined surfaces.

In this embodiment, the length of the limiting rod is smaller than the length of the three single sides of the channel, so that the supporting effect of the inner wall of the channel three on the wedge block 12 is guaranteed, and the wedge block 12 is prevented from inclining when being wedged tightly with the supporting rod 4.

Optionally, the first elastic body 5 and the second elastic body 15 are compression springs or elastic rubber rings.

And a limit stop 9 is arranged on the support rod 4, and a corresponding limit switch 8 is arranged on the side wall of the first cylinder sleeve 7. The limit stop 9 is L-shaped, can be matched with the limit switch 8, and is simple in structure and convenient to install.

A second guide sleeve 16 is arranged in the through hole of the second cylinder sleeve 14, a second stopping table is arranged on the second guide sleeve 16, the second elastic body 15 abuts against the second stopping table, and a protective cover 18 is arranged at the end part of the second cylinder sleeve 14. The second guide sleeve 16 can guarantee the limiting effect on the second elastic body 15, and meanwhile, the second piston 24 is conveniently placed in the through hole of the second cylinder sleeve 14, so that the overall structure is more reasonable, the installation difficulty is reduced, and the sealing performance of the second pneumatic cylinder 22 is guaranteed. The protective cover 18 can prevent foreign matters from entering the through hole and preventing the foreign matters from influencing the normal movement of the piston and the elastic body 15.

And the support rod 4 is provided with a guide wheel 3, and the guide wheel 3 is positioned at one end of the second inclined surface. The supporting rod 4 can be prevented from rotating in the motion process through the guide wheel 3 along the first channel and the second channel in a reciprocating mode, the second inclined surface of the supporting rod 4 is guaranteed to be normally matched with the first inclined surface of the wedge block 12 in a wedging mode, and stable supporting of a workpiece is guaranteed.

In addition, in this embodiment, the wedge block further includes a cushion block 13, the cushion block 13 is located between the first cylinder liner 7 and the second cylinder liner 14, and a receiving groove for receiving the wedge block 12 is formed in the cushion block 13. The structure of the accommodating groove can prevent the wedge block 12 from being exposed outside when retracting, prevent foreign matters from entering the third channel and keep the third channel clean, thereby ensuring that the wedge block 12 can normally move in the third channel.

The utility model discloses concrete action process of auxiliary stay device during operation as follows:

1. the clamping process comprises the following steps: the pneumatic cylinder 21 releases pressure through the compressed air port I19, the supporting rod 4 moves upwards under the elastic force of the elastic body I5, the supporting rod 4 stops moving after the workpiece is touched, the supporting rod is tightly attached to the supporting surface of the workpiece under the elastic force of the elastic body I5, meanwhile, the pneumatic cylinder II 22 releases pressure through the compressed air port II 20, the telescopic rod 17 drives the wedge block 12 to move forwards under the action of the elastic body II 15 until the inclined surface I of the wedge block 12 is tightly wedged with the inclined surface II below the supporting rod 4, the wedge block 12 stops moving, the supporting rod 4 supports the workpiece through the supporting contact 10, and the supporting process is completed.

2. The workpiece overturning process comprises the following steps:

the second pneumatic cylinder 22 is filled with compressed air through the second compressed air port 20, the telescopic rod 17 is driven by the second piston 24 to move backwards, so that the wedge block 12 is driven to move backwards, the first inclined surface of the wedge block 12 is gradually separated from the second inclined surface at the lower part of the supporting rod 4 and continuously retracts until the wedge block 12 is completely separated from the supporting rod 4, part of the length of the supporting rod 4 retracts into the second channel of the base 1, then the first pneumatic cylinder 21 is filled with compressed air through the first compressed air port 19 to be pressurized, the supporting rod 4 is driven by the first piston 23 to move downwards until the limit stop 9 touches the travel switch, and the supporting rod 4 stops moving.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications made within the spirit and principle of the present invention; equivalents are substituted; the improvement and the like are all included in the protection scope of the invention.

Claims

1. The utility model provides an auxiliary supporting device, its characterized in that, includes cylinder liner one, base and bracing piece, cylinder liner one is installed on the base, be equipped with passageway one in the cylinder liner one, be equipped with crossing passageway two and passageway three in the base, passageway two with the coaxial setting of passageway one, the bracing piece slides and sets up passageway one with in the passageway two, be equipped with the voussoir in the passageway three, the voussoir is connected with drive arrangement and along three reciprocating motion in the passageway, be equipped with inclined plane one on the voussoir, the lower extreme of bracing piece is equipped with corresponding inclined plane two, when the bracing piece supported the work piece, inclined plane one with inclined plane two offsets.

2. The auxiliary supporting device as claimed in claim 1, wherein a first piston is provided on the supporting rod, a first pneumatic cylinder which cooperates with the first channel to form a seal is provided on the first piston, a first compressed air port is provided on the first pneumatic cylinder, and a first elastic body is sleeved on the supporting rod at the lower end of the first piston.

3. The auxiliary supporting device as claimed in claim 2, wherein a first guiding sleeve is disposed in the first passage, a first stopping table is disposed on the first guiding sleeve, and one end of the elastic body abuts against the first stopping table.

4. The auxiliary supporting device as claimed in claim 1, 2 or 3, wherein the driving device comprises a telescopic rod and a second cylinder sleeve, one end of the telescopic rod is connected with the wedge block, the other end of the telescopic rod is inserted into a through hole of the second cylinder sleeve, a second piston is arranged on the telescopic rod, the second piston is matched with the through hole to form a second sealed pneumatic cylinder, a second compressed air port is formed in the second pneumatic cylinder, a second elastic body is sleeved on the telescopic rod, and the second elastic body and the second pneumatic cylinder are respectively located at two ends of the second piston.

5. The auxiliary supporting device as claimed in claim 4, wherein an end cap is disposed on the third channel, the end cap is disposed opposite to the telescopic rod, a limiting rod is disposed on the end cap, and the limiting rod is disposed in the third channel.

6. The auxiliary supporting device as claimed in claim 5, further comprising a spacer block, wherein the spacer block is located between the first cylinder sleeve and the second cylinder sleeve, and a receiving groove for receiving the wedge block is formed in the spacer block.

7. The auxiliary supporting device as claimed in claim 1 or 5, wherein the supporting rod is provided with a limit stop, and the side wall of the first cylinder sleeve is provided with a corresponding limit switch.

8. The auxiliary supporting device as claimed in claim 5, wherein a second guide sleeve is arranged in the through hole of the second cylinder sleeve, a second stopping table is arranged on the second guide sleeve, the second elastic body abuts against the second stopping table, and a protective cover is arranged at the end of the second cylinder sleeve.

9. An auxiliary supporting device as claimed in claim 1, 2 or 3, wherein a guide wheel is provided on the supporting rod, the guide wheel being located at one end of the second inclined surface.