CN210909667U - Quick centering device for automobile cylindrical shaft assembly - Google Patents
Quick centering device for automobile cylindrical shaft assembly Download PDFInfo
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- CN210909667U CN210909667U CN201921646464.4U CN201921646464U CN210909667U CN 210909667 U CN210909667 U CN 210909667U CN 201921646464 U CN201921646464 U CN 201921646464U CN 210909667 U CN210909667 U CN 210909667U
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- sliding groove
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Abstract
The utility model discloses a quick centering device for an automobile cylindrical shaft assembly, which comprises a sliding base, a sliding side support, a side clamping plate and an upper clamping plate, wherein the sliding base is provided with an inverted T-shaped chute and a pin groove, and the sliding side support is provided with an inverted T-shaped slide bar and a pin hole; the sliding base is provided with a supporting shaft and a rolling sleeve through a semicircular angle iron; a cylindrical sliding groove of the sliding base is provided with a piston rod, and the cylindrical sliding groove is communicated with an air inlet pipe, a pressure gauge, a micro pump and an emptying pipe; the sliding side support is also connected with the upper clamp plate in a clamping fit with the piston rod through a cylindrical sliding groove, the side clamp plate is connected with the upper clamp plate through an extension spring, one side surfaces of the sliding side support, the side clamp plate and the upper clamp plate are respectively provided with two groups of rolling sleeves, and the eight rolling sleeves clamp an automobile cylindrical shaft assembly. The utility model discloses constitute a rectangle square hole anchor clamps structure that four sides distance can be adjusted, this anchor clamps accessible air pump adjustment part receives horizontal and fore-and-aft pressure, and then adjustment part clamping-force reduces the part damage rate.
Description
Technical Field
The utility model relates to an auto parts machining technical field especially relates to a quick centring means for car cylinder axle subassembly.
Background
The automobile parts comprise a large number of cylindrical shaft components of shafts, wheels, bearing rings and the like, and the large components need to be centered and clamped in the processes of processing, testing, assembling and maintaining.
The existing centering clamp for the automobile part machining workshop generally adopts a pneumatic vice type bidirectional clamping mode, the clamping force is mainly arranged on two sides, the acting force of the clamp jaw on the contact surface of the part is large, the stress on the cambered surface of the part is uneven, and the part is easy to deform and damage; particularly when the surface has depressions, the accuracy of its centering is particularly low, causing inaccuracies in the subsequent processing. If the center of the end face of a shaft member is bored, if the center is not aligned, the shaft member fails to be machined.
There is thus a need for improvements to existing centering fixtures.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the quick centring means who is used for car cylindrical shaft subassembly that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the quick centering device comprises a sliding base, a sliding side support in clamping fit with the top surface of the sliding base, a side clamping plate in sleeve fit with the side surface of the sliding base, and an upper clamping plate in sleeve fit with the top surface of the sliding side support, wherein the top surface of the sliding base is provided with two symmetrical sets of inverted T-shaped sliding grooves, the bottom of the sliding side support is provided with an inverted T-shaped sliding strip in clamping fit with the inverted T-shaped sliding grooves, the sliding base is of a flat rectangular box structure, the sliding side support is particularly of an L-shaped structure integrally formed by the flat rectangular box and a rectangular plate, a group of pin holes are formed in the rectangular plate of the sliding side support, and a plurality of pin grooves corresponding to the pin holes are formed in the top surface of the sliding base;
two sides of the top surface of the sliding base are provided with symmetrical semi-circular angle irons, two semi-circular angle irons are erected with a support shaft, the middle part of the support shaft is movably sleeved with a rolling sleeve, the top surface of the sliding base is also provided with a strip-shaped groove corresponding to the rolling sleeve, and the sliding base is provided with two rolling sleeves arranged in parallel;
a cylindrical sliding groove is arranged on the side surface of the sliding base close to the direction of the side clamping plate, a piston rod which is in sliding clamping connection with the cylindrical sliding groove is arranged at the lower part of the side surface of the side clamping plate, the caliber of an opening part of the cylindrical sliding groove is smaller than the inner diameter of the groove body, a piston which is in clamping connection with the groove body of the cylindrical sliding groove is arranged at one end of the piston rod which extends into the cylindrical sliding groove, and the rod wall of the piston rod;
the side, away from the piston rod, of the cylindrical sliding groove is communicated with an air inlet pipe, the pipe wall of the air inlet pipe is communicated with a pressure gauge, one end, away from the cylindrical sliding groove, of the air inlet pipe is connected with a micro pump, the other side of the micro pump is connected with an emptying pipe, most of the air inlet pipe, the micro pump and the emptying pipe are located inside the sliding base, the emptying pipe extends out of the sliding base, and a dial plate of the pressure gauge is arranged on the outer side wall;
the top surface of the sliding side support is also provided with a cylindrical sliding groove, an air inlet pipe, a pressure gauge, a micro pump and an emptying pipe assembly, the bottom surface of the upper clamping plate is provided with a corresponding piston rod, and the sliding side support and the upper clamping plate are also connected with the piston rod in a clamping fit manner through the cylindrical sliding groove;
pull rings are respectively arranged on the top surface of the side clamping plate and one side wall of the upper clamping plate, an extension spring is hung between the two groups of pull rings, and the side clamping plate and the upper clamping plate are connected with each other through the extension spring;
one side of slip side support, side splint and punch holder is equipped with two sets of semicircle angle irons, back shaft, rolling sleeve and bar groove set spare respectively, and an automobile cylinder axle subassembly is held to eight rolling sleeve.
Preferably, the contact surface of the inverted T-shaped sliding groove and the inverted T-shaped sliding strip is filled with lubricating oil.
Preferably, the surface of the rolling sleeve is polished smooth.
Preferably, the micropump is embodied as a Carmeler 12V/24V negative pressure vacuum pump.
Preferably, the extension spring is a high strength heavy duty spring.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model connects the sliding base and the side clamp plate through the piston rod and the cylindrical chute, connects the sliding side support and the upper clamp plate, connects the sliding base and the sliding side support through the inverted T-shaped chute and the inverted T-shaped slide bar, and connects the side clamp plate and the upper clamp plate through the extension spring, thereby forming a rectangular square hole clamp structure with adjustable four-side distance; the clamp can adjust the transverse and longitudinal pressure applied to the part through the air pump, can adjust the clamping force on the part according to the pressure, and reduces the possibility of damage to the part.
Drawings
Fig. 1 is a schematic structural view of a quick centering device for an automobile cylindrical shaft assembly according to the present invention;
fig. 2 is an assembly schematic view of the fast centering device for an automobile cylindrical shaft assembly according to the present invention;
in the figure: the device comprises a sliding base 1, a sliding side support 2, a side clamping plate 3, an upper clamping plate 4, an inverted T-shaped sliding groove 5, an inverted T-shaped sliding strip 6, a pin hole 7, a pin groove 8, semicircular angle iron 9, a supporting shaft 10, a rolling sleeve 11, a strip-shaped groove 12, a cylindrical sliding groove 13, a piston rod 14, an air inlet pipe 15, a pressure gauge 16, a micro pump 17, an emptying pipe 18, a pull ring 19 and a tension spring 20.
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.
Referring to fig. 1-2, the fast centering device for the automobile cylindrical shaft assembly comprises a sliding base 1, a sliding side support 2 in clamping fit with the top surface of the sliding base 1, a side clamp plate 3 in sleeve fit with the side surface of the sliding base 1, and an upper clamp plate 4 in sleeve fit with the top surface of the sliding side support 2, wherein the top surface of the sliding base 1 is provided with two symmetrical inverted T-shaped chutes 5, the bottom of the sliding side support 2 is provided with an inverted T-shaped slide bar 6 in clamping fit with the inverted T-shaped chute 5, the sliding base 1 is of a flat rectangular box structure, the sliding side support 2 is specifically of an L-shaped structure integrally formed by a flat rectangular box body and a rectangular plate, a group of pin holes 7 are formed in the rectangular plate of the sliding side support 2, and a plurality of pin grooves 8 corresponding to the pin holes 7 are formed in the top surface of the; two sides of the top surface of the sliding base 1 are provided with symmetrical semicircular angle irons 9, a supporting shaft 10 is erected on the two semicircular angle irons 9, the middle part of the supporting shaft 10 is movably sleeved with a rolling sleeve 11, the top surface of the sliding base 1 is also provided with a strip-shaped groove 12 corresponding to the rolling sleeve 11, and the sliding base 1 is provided with two rolling sleeves 11 which are arranged in parallel; a cylindrical sliding groove 13 is arranged on the side surface of the sliding base 1 close to the side clamping plate 3, a piston rod 14 in sliding clamping connection with the cylindrical sliding groove 13 is arranged at the lower part of the side surface of the side clamping plate 3, the caliber of the opening part of the cylindrical sliding groove 13 is smaller than the inner diameter of the groove body, a piston in clamping connection with the groove body of the cylindrical sliding groove 13 is arranged at one end of the piston rod 14 extending into the cylindrical sliding groove 13, and the rod wall of the piston rod 14 is in sliding clamping connection with the opening; an air inlet pipe 15 is communicated with one side, away from the piston rod 14, of the cylindrical sliding groove 13, a pressure gauge 16 is communicated with the pipe wall of the air inlet pipe 15, one end, away from the cylindrical sliding groove 13, of the air inlet pipe 15 is connected with a micro pump 17, the other side of the micro pump 17 is connected with an emptying pipe 18, most of the air inlet pipe 15, the micro pump 17 and the emptying pipe 18 are located inside the sliding base 1, the emptying pipe 18 extends out of the sliding base 1, and a dial plate of the pressure gauge 16 is arranged on the outer side wall of; the top surface of the sliding side support 2 is also provided with a cylindrical sliding groove 13, an air inlet pipe 15, a pressure gauge 16, a micro pump 17 and an emptying pipe 18 assembly, the bottom surface of the upper clamping plate 4 is provided with a corresponding piston rod 14, and the sliding side support 2 and the upper clamping plate 4 are also connected with the piston rod 14 in a clamping fit manner through the cylindrical sliding groove 13; pull rings 19 are respectively arranged on the top surface of the side clamping plate 3 and one side wall of the upper clamping plate 4, an extension spring 20 is hung between the two groups of pull rings 19, and the side clamping plate 3 and the upper clamping plate 4 are connected with each other through the extension spring 20; one side of sliding side support 2, side splint 3 and punch holder is equipped with two sets of semicircle angle bar 9, back shaft 10, rolling sleeve 11 and bar recess 12 subassemblies respectively, and an automobile cylinder axle subassembly is held to eight rolling sleeve 11 centre grippings.
Referring to fig. 1, the contact surface of the inverted T-shaped sliding groove 5 and the inverted T-shaped sliding strip 6 is filled with lubricating oil, so that certain flexibility is ensured before the sliding base 1 and the sliding side support 2 are adjusted, and then the sliding base 1 and the sliding side support 2 are completely fixed by fastening pins passing through the pin holes 7 and the pin grooves 8.
Referring to fig. 1, the surface of the rolling sleeve 11 is polished and smoothed, so that the friction force of the contact surface of the rolling sleeve 11 and the automobile cylindrical shaft assembly is small, and the parts are prevented from being damaged by friction.
Referring to fig. 1, a micro pump 17, specifically a camier 12V/24V negative pressure vacuum pump, is used to charge and discharge air to and from the cylindrical chute 13 to push the piston rod 14, so as to change the distance between the slide base 1 and the side clamping plate 3, and also to change the distance between the slide side support 2 and the upper clamping plate 4, so as to adapt to cylindrical parts of different sizes.
Referring to fig. 1, the tension spring 20 is a high-strength heavy-duty spring, which ensures that the side clamping plate 3 and the upper clamping plate 4 are fastened together.
The utility model discloses a working process: according to the arrangement, the sliding base 1 and the side clamping plate 3 are preferably clamped, the sliding side support 2 and the upper clamping plate 4 are also clamped, and a sliding ring can be welded to seal the opening of the cylindrical sliding groove 13, so that the caliber of the cylindrical sliding groove 13 is smaller than the inner diameter of the groove body; then clamping the sliding side support 2 on the sliding base 1, fixing the sliding side support by using a fastening pin, and finally connecting the side clamping plate 3 and the upper clamping plate 4 through an extension spring 20 to form a rectangular square hole structure with adjustable four-side distance;
the cylindrical part of the automobile cylindrical shaft assembly is arranged in the rectangular square hole structure, the micropump 17 is started according to the diameter of the part, the cylindrical sliding groove 13 is inflated and deflated to push the piston rod 14, the distance between the sliding base 1 and the side clamping plate 3 is changed, the distance between the sliding side support 2 and the upper clamping plate 4 is also changed, therefore, the part is clamped, the pressure measured by the two pressure gauges 16 is the transverse and longitudinal pressure applied to the part, and the clamping force applied to the part can be adjusted according to the pressure.
It can be extended from this that another application example of the present invention: according to above working process, arrange the cylinder of surveying in the utility model discloses an among the rectangle square hole structure, make two sets of manometer 16 be arbitrary same value in 0.3-0.5MPa, pass through the coupling joint rotation axis at the one end of this cylinder part or both ends, make the cylinder part rotatory on one side, test two sets of manometer 16's variation value (especially use electromagnetic pressure gauge as the standard, set up control chip and come the record pressure value), draw the variation curve, can test whether the surface of surveying the cylinder part is smooth arc surface. Therefore the utility model discloses can use on whether complete in surface smoothness and the radian that detects cylindrical part, only simply explain this kind of detection method's thinking here, no longer extend concrete application effect how.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A quick centering device for an automobile cylindrical shaft assembly comprises a sliding base (1), a sliding side support (2) which is in clamping fit with the top surface of the sliding base (1), a side clamping plate (3) which is in sleeve fit with the side surface of the sliding base (1), and an upper clamping plate (4) which is in sleeve fit with the top surface of the sliding side support (2), it is characterized in that the top surface of the sliding base (1) is provided with two symmetrical groups of inverted T-shaped sliding chutes (5), an inverted T-shaped sliding strip (6) clamped with the inverted T-shaped sliding groove (5) is arranged at the bottom of the sliding side support (2), the sliding base (1) is of a flat rectangular box body structure, the sliding side support (2) is of an L-shaped structure which is formed by integrally forming a flat rectangular box body and a long strip plate, a group of pin holes (7) are arranged on the long strip plate of the sliding side support (2), a plurality of groups of pin grooves (8) corresponding to the pin holes (7) are formed in the top surface of the sliding base (1);
symmetrical semi-circular angle irons (9) are arranged on two sides of the top surface of the sliding base (1), supporting shafts (10) are erected on the two semi-circular angle irons (9), rolling sleeves (11) are movably sleeved in the middle of the supporting shafts (10), strip-shaped grooves (12) corresponding to the rolling sleeves (11) are further arranged on the top surface of the sliding base (1), and the sliding base (1) is provided with two rolling sleeves (11) which are arranged in parallel;
a cylindrical sliding groove (13) is formed in the side face, close to the side clamping plate (3), of the sliding base (1), a piston rod (14) in sliding clamping connection with the cylindrical sliding groove (13) is arranged at the lower portion of the side face of the side clamping plate (3), the caliber of an opening portion of the cylindrical sliding groove (13) is smaller than the inner diameter of a groove body, a piston in clamping connection with the groove body of the cylindrical sliding groove (13) is arranged at one end, extending into the cylindrical sliding groove (13), of the piston rod (14), and the rod wall of the piston rod (14) is in sliding clamping connection with the opening portion of the cylindrical sliding groove (;
one side, far away from the piston rod (14), of the cylindrical sliding groove (13) is communicated with an air inlet pipe (15), the pipe wall of the air inlet pipe (15) is communicated with a pressure gauge (16), one end, far away from the cylindrical sliding groove (13), of the air inlet pipe (15) is connected with a micro pump (17), the other side of the micro pump (17) is connected with an emptying pipe (18), most of the air inlet pipe (15), the micro pump (17) and the emptying pipe (18) are located inside the sliding base (1), the emptying pipe (18) extends out of the sliding base (1), and a dial plate of the pressure gauge (16) is arranged on the outer side wall of the sliding base (1);
the top surface of the sliding side support (2) is also provided with a cylindrical sliding groove (13), an air inlet pipe (15), a pressure gauge (16), a micro pump (17) and an emptying pipe (18) assembly, the bottom surface of the upper clamping plate (4) is provided with a corresponding piston rod (14), and the sliding side support (2) and the upper clamping plate (4) are also connected with the piston rod (14) in a clamping fit manner through the cylindrical sliding groove (13);
pull rings (19) are respectively arranged on the top surface of the side clamping plate (3) and one side wall of the upper clamping plate (4), an extension spring (20) is hung between the two groups of pull rings (19), and the side clamping plate (3) and the upper clamping plate (4) are connected with each other through the extension spring (20);
one side of sliding side support (2), side splint (3) and punch holder is equipped with two sets of semicircle angle bar (9), back shaft (10), rolling sleeve (11) and bar recess (12) subassembly, eight respectively a car cylinder axle subassembly of rolling sleeve (11) centre gripping.
2. The quick centering device for the automobile cylindrical shaft assembly according to claim 1, characterized in that the contact surface of the inverted-T-shaped sliding groove (5) and the inverted-T-shaped sliding strip (6) is filled with lubricating oil.
3. The quick centering device for automobile cylindrical shaft assemblies according to claim 1, characterized in that the surface of the rolling sleeve (11) is subjected to a grinding and smoothing treatment.
4. The device for the rapid centering of cylindrical axle components for motor vehicles according to claim 1, characterized in that the micropump (17) is embodied as a kamer 12V/24V negative pressure vacuum pump.
5. The quick centering device for automobile cylindrical axle assemblies according to claim 1, characterized in that the extension spring (20) is a high strength heavy duty spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921646464.4U CN210909667U (en) | 2019-09-30 | 2019-09-30 | Quick centering device for automobile cylindrical shaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921646464.4U CN210909667U (en) | 2019-09-30 | 2019-09-30 | Quick centering device for automobile cylindrical shaft assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210909667U true CN210909667U (en) | 2020-07-03 |
Family
ID=71354527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921646464.4U Active CN210909667U (en) | 2019-09-30 | 2019-09-30 | Quick centering device for automobile cylindrical shaft assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210909667U (en) |
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2019
- 2019-09-30 CN CN201921646464.4U patent/CN210909667U/en active Active
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