CN102490137A - Centering and positioning fixture for automobile assembly - Google Patents
Centering and positioning fixture for automobile assembly Download PDFInfo
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- CN102490137A CN102490137A CN2011104159507A CN201110415950A CN102490137A CN 102490137 A CN102490137 A CN 102490137A CN 2011104159507 A CN2011104159507 A CN 2011104159507A CN 201110415950 A CN201110415950 A CN 201110415950A CN 102490137 A CN102490137 A CN 102490137A
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- rod
- locating support
- positioning tool
- alignment pin
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- TWFGRJUTAULJPZ-USZBIXTISA-N prodigiosin Chemical compound N1=C(C)C(CCCCC)=C\C1=C/C1=NC(C=2[N]C=CC=2)=C[C]1OC TWFGRJUTAULJPZ-USZBIXTISA-N 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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Abstract
The invention discloses a centering and positioning fixture for automobile assembly, which comprises a positioning support provided with a workpiece positioning pin. A Z-directional support block is arranged at the bottom end of the positioning support; X-directional positioning pins are arranged on two sides of the positioning support positioned in the X direction of an automobile respectively; centering and positioning mechanisms are arranged on two sides of the positioning support positioned in the Y direction of the automobile respectively; and central lines of the centering and positioning mechanisms are overlapped. The centering and positioning fixture is used for centering and positioning workpieces when the workpieces are assembled, assembly adjusting time is shortened, assembly adjusting operation is decreased, the labor intensity of staff is reduced, errors of workpiece assembly are decreased, and production assembly efficiency, product quality and production efficiency are simultaneously improved.
Description
Technical field
The present invention relates to the automobile assembling technical field, be specifically related to a kind of automobile assembling and use the centering positioning tool.
Background technology
At present, in the automobile assembling process, during the auto parts and components assembling, the coupling between parts is the bigger and requisite ring of difficulty; Especially engine compartment cover, luggage-boot lid, front and back headlight etc. are when assembling; Except that needs X to and Z to the location; Also need satisfy Y to the gap requirement; When locating, assembling could be accomplished after equating in the gap at workpiece two lateral extent edges to workpiece such as need assurance engine compartment cover, luggage-boot lid, front and back headlight at Y; Wherein automobile X to for the automobile headstock to tailstock direction, automobile Z to for automobile chassis to the roof of the vehicle direction, automobile Y is to arriving right car door direction for the automobile left-hand door.To need centering location, the assembling difficulty needs to be grasped employee than high professional qualification and adjusts repeatedly and could satisfy matching requirements workpiece such as engine compartment cover, luggage-boot lid, front and back headlight usually at Y; This fit is not only had relatively high expectations to employee's technical ability, and labour intensity is big, and consuming time longer, influences production efficiency.
Summary of the invention
The object of the present invention is to provide a kind of simple to operately, labour intensity is little, and the automobile assembling that efficiency of assembling is high is used the centering positioning tool.
To achieve these goals, the technical scheme of the present invention's employing is:
Said automobile assembling is used the centering positioning tool, comprises locating support, on said locating support, is provided with the workpiece alignment pin; Be provided with Z to back-up block in said locating support bottom, said locating support be positioned at automobile X to both sides be respectively equipped with X to alignment pin; Said locating support be positioned at automobile Y to both sides on be respectively equipped with the centering detent mechanism; The central lines of said centering detent mechanism.
Said centering detent mechanism comprises that the center is provided with the centering rod of blind hole; Said centering rod one end is connected with said locating support, is provided with in the blind hole that penetrates centering rod and the alignment pin that can in blind hole, relatively move at the other end of said centering rod; In said blind hole, be provided with spring, said spring one end is connected with said centering rod, and the other end of said spring is connected with alignment pin; On said centering rod, be provided with retaining mechanism, said retaining mechanism is made up of the tie down screw of being located at the locking nut on the centering rod and cooperate with said locking nut, is provided with the bolt hole that communicates with said blind hole in said centering rod upper locking nut position; Under locking state, said tie down screw passes locking nut and bolt hole, and tie down screw is pressed on the said alignment pin.
Edge at said locating support is provided with binding clasp, and said binding clasp comprises the base plate that is connected with said locating support, on said base plate, stretches out a projection, on this projection, is connected with compact heap; Position near compact heap on said base plate is connected with head rod, and said head rod one end and said base plate hinged are hinged with pull bar on the other end of said head rod; Also comprise second connecting rod; Hinged on said second connecting rod, one end and the said head rod near the position of said pull bar; The said second connecting rod other end and said compact heap middle part are hinged, and down, said compact heap is pressed on the said locating support in working order.
Said binding clasp is three, the Y that said binding clasp is located at locating support respectively to both sides and X to a side on.
On said centering rod, be provided with the precompressed locking pin, said centering rod is provided with the waist-shaped hole that communicates with blind hole, on said alignment pin, is provided with the pin-and-hole that matches with said precompressed locking pin; Under the duty, said precompressed locking pin one end passes said waist-shaped hole and is pressed in the said pin-and-hole, to guarantee that does not interfere with other part the centering rod both sides and the centering harness can be put into the operating position smoothly.
Pass at said alignment pin on the end of said centering rod and be provided with rubber layer.
On said tie down screw, be provided with handle.
Said locking nut is welded on the centering rod outer surface.
Said automobile assembling is used the centering positioning tool, and the technical scheme of employing has the following advantages:
At first, said automobile assembling is used the centering positioning tool, utilizes the spring stress of the same model specification of connecting identical, the principle that decrement is also identical; Be positioned at the spring stress of the centering detent mechanism of locating support Y on both sides when identical decrement also identical, thereby guarantee that locating support is in Y to center position, and then the centering location when realizing the workpiece assembling;
Secondly, said automobile assembling is simple to operate with the centering positioning tool, and is easy to use, and general assembly crewman can accomplish the workpiece assembling, and the demand of employee's workpiece location being adjusted technical ability reduces;
At last; Said automobile assembling has realized the centering location of workpiece with the centering positioning tool; Reduce assembling adjustment time and assembling adjustment work, not only reduced staff labor intensity, reduced the error of workpiece assembling simultaneously; When improving the production efficiency of assembling, product quality and production efficiency have also been improved.
Description of drawings
Facing the content of each width of cloth accompanying drawing expression of specification of the present invention and the mark among the figure down briefly explains:
Fig. 1 is the structural representation of automobile assembling of the present invention with the centering positioning tool;
Fig. 2 is the A direction sketch map of Fig. 1 automobile assembling with the centering positioning tool;
Fig. 3 is the enlarged drawing of Fig. 1 automobile assembling with the centering detent mechanism of centering positioning tool;
Fig. 4 is the structural representation of Fig. 2 automobile assembling with the binding clasp of centering positioning tool;
Fig. 5 for Fig. 4 automobile assembling with the binding clasp of the centering positioning tool structural representation when the clamped condition;
Fig. 6 is the B direction sketch map of Fig. 1 automobile assembling with the workpiece alignment pin of centering positioning tool;
Mark among the above-mentioned figure is:
1, locating support, 2, Z is to back-up block, 3, X is to alignment pin, 4, the workpiece alignment pin, 5, the centering detent mechanism; 6, binding clasp, 7, the beater or beat-up crest line, 8, centering rod, 9, alignment pin, 10, spring; 11, locking nut, 12, tie down screw, 13, handle, 14, rubber layer, 15, the precompressed locking pin; 16, base plate, 17, head rod, 18, compact heap, 19, second connecting rod, 20, pull bar.
The specific embodiment
Contrast accompanying drawing below, through the description to optimum embodiment, specific embodiments of the invention is done further detailed explanation.
Like Fig. 1 and shown in Figure 2, said automobile assembling is used the centering positioning tool, comprises locating support 1, on locating support 1, is provided with workpiece alignment pin 4; Be provided with Z to back-up block 2 in locating support 1 bottom, locating support 1 be arranged in automobile X to both sides be respectively equipped with X to alignment pin 3 (figure only drawn locating support 1 be positioned at X to a side on alignment pin); Locating support 1 be positioned at automobile Y to both sides on be respectively equipped with centering detent mechanism 5; The central lines of centering detent mechanism 5.
As shown in Figure 3, centering detent mechanism 5 comprises centering rod 8, and centering rod 8 is a hollow structure, is provided with blind hole at the center of centering rod 8; Centering rod 8 one ends are connected with locating support 1, are provided with at the other end of centering rod 8 to penetrate in centering rod 8 blind holes and the alignment pin 9 that can in blind hole, relatively move; In the blind hole of centering rod 8, be provided with spring 10, spring 10 1 ends are connected with centering rod 8, and the other end of spring 10 is connected with alignment pin 9; When said centering positioning tool uses,, pass at alignment pin 9 on the end of centering rod 8 and be provided with rubber layer 14 for preventing to scratch automobile inner part; On centering rod 8, be provided with retaining mechanism, retaining mechanism constitutes by being located at locking nut 11 on the centering rod 8 and the tie down screw 12 that cooperates with locking nut 11, is provided with the bolt hole that communicates with blind hole in centering rod 8 upper locking nuts 11 positions; Under the retaining mechanism locking state, tie down screw 12 passes locking nut 11 and bolt hole, and tie down screw 12 is pressed on the alignment pin 9, and locking nut 11 is welded on centering rod 8 outer surfaces; Further, for easy to use, on tie down screw 12, be provided with handle 13, during rotary handle 13, tie down screw 12 can slowly screw in the locking nut 11 until being pressed on the alignment pin 9.The visual concrete condition adjustment of the number of centering detent mechanism 5; When headlight and luggage-boot lid assemble before and after said centering positioning tool is used for; One group of centering detent mechanism 5 generally is set on locating support 1; When the engine compartment cover size is bigger, two groups of centering detent mechanisms 5 generally is set on locating support 1, and is positioned at centering detent mechanism 5 central lines that in groups are provided with of locating support 1Y to both sides.
Like Fig. 1 and shown in Figure 2; Edge at locating support 1 is provided with binding clasp 6, behind retaining mechanism locking centering detent mechanism 5, utilizes binding clasp 6 to fix clamping and positioning support 1 again; Guarantee that further locating support 1 is in the centering position, and then guarantee the accurate installation of engine compartment cover; Binding clasp 6 is three, the Y that is located at locating support 1 respectively to both sides and X to a side on; Binding clasp 6 can be realized 3 clampings of locating support 1 like this, and binding clasp 6 location are more stable.
Like Fig. 4 and shown in Figure 5, binding clasp 6 comprises the base plate 16 that is connected with locating support 1, on base plate 16, stretches out a projection, on this projection, is connected with compact heap 18; Position near compact heap 18 on base plate 16 is connected with head rod 17, and head rod 17 1 ends and base plate 16 are hinged, are hinged with pull bar 20 on the other end of head rod 17; Also comprise on second connecting rod 19, the second connecting rods, 19 1 ends and the head rod 17 hingedly near the position of pull bar 20, second connecting rod, 19 other ends and compact heap 18 middle parts are hinged, and down, compact heap 18 is pressed on the locating support 1 binding clasp 6 in working order; When Fig. 4 is pull bar 20 pull-ups of binding clasp 6, the sketch map when binding clasp 6 is in unclamped state; When Fig. 5 is left behind for the pull bar 20 of binding clasp 6, the sketch map when binding clasp 6 is in clamped condition; Binding clasp 6 operation principles are: pull bar 20 is drawn in the process that is in locking state by stressed; The power that acts on pull bar 20 passes to head rod 17; Pass to second connecting rod 19 by head rod 17 then; Be delivered on the compact heap 18 by second connecting rod 19, compact heap 18 is being clamped under the effect of power on the locating support 1 again, and locating support 1 is in locking state under binding clasp 6 effects.
On centering rod 8, be provided with precompressed locking pin 15, centering rod 8 is provided with the waist-shaped hole that communicates with blind hole, on alignment pin 9, is provided with the pin-and-hole that matches with precompressed locking pin 15; Before the operating position is put in the centering harness; Precompressed locking pin 15 is in running order following; Precompressed this moment locking pin 15 1 ends pass waist-shaped hole and are pressed in the pin-and-hole of alignment pin 9, to guarantee that does not interfere with other part the centering rod both sides and centering locating clip prodigiosin is put into the operating position smoothly; Like this when said centering positioning tool is worked; An end that at first passes at alignment pin 9 applies an active force; Spring 10 is in the active force lower stress compression of alignment pin 9; Alignment pin 9 penetrates into the blind hole inside of centering rod 8, precompressed locking pin 15 is pressed on the alignment pin 9 again, then said centering positioning tool is put in the enging cabin; Extract precompressed locking pin 15 this moment out, because alignment pin 9 is against left and right daughter board crest line 7 places, spring 10 still is in stressed compressive state, and locating support 1 two ends all receive the effect of the power of spring 10; Stir said centering positioning tool this moment gently; The spring 10 of centering detent mechanism 5 of being located at locating support 1 both sides is stressed identical; The decrement of spring 10 is identical, automatically the locating support 1 of harness is adjusted to the center position of left and right daughter board crest line 7, the centering of realizing said centering positioning tool.
Said automobile assembling is used the centering positioning tool, can be used for the centering location of engine compartment cover, luggage-boot lid, front and back headlight, and existing is example with the engine compartment cover, and the operation principle of said centering positioning tool is described;
(1) end that at first passes at alignment pin 9 applies an active force; Spring 10 is in the active force lower stress compression of alignment pin 9, and alignment pin 9 penetrates into the blind hole inside of centering rod 8, rotates the tie down screw 12 on the centering rod 8 then; Tie down screw 12 penetrates in the blind hole of centering rod 8 and is pressed on the alignment pin 9; Said retaining mechanism is in locking state, and an end that perhaps passes at alignment pin 9 applies an active force, and spring 10 is in the active force lower stress compression of alignment pin 9; Alignment pin 9 penetrates into the blind hole inside of centering rod 8, precompressed locking pin 15 is pressed on the alignment pin 9 again;
(2) then said centering positioning tool is put in the enging cabin, the end that alignment pin 9 is provided with rubber layer 14 contacts respectively with left and right daughter board crest line 7 (with the gapped cooperation place of engine compartment cover); The Z of locating support 1 is supported on front damper installing plate and the water tank crossbeam to back-up block 2, and the Z that realizes said centering positioning tool is to the location; Y on the water tank crossbeam matches to alignment pin 3 with the X of locating support 1 to mounting hole, and the X that realizes said centering positioning tool is to the location;
(3) the rotational lock screw rod 12, and the locking effect of retaining mechanism is removed, and perhaps extracts precompressed locking pin 15 out, because alignment pin 9 is against left and right daughter board crest line 7 places, spring 10 still is in stressed compressive state, and locating support 1 two ends all receive the effect of the power of spring 10; Stir said centering positioning tool this moment gently; The spring 10 of centering detent mechanism 5 of being located at locating support 1 both sides is stressed identical; The decrement of spring 10 is identical, automatically the locating support 1 of harness is adjusted to the center position of left and right daughter board crest line 7, the centering of realizing said centering positioning tool;
(5) engine compartment cover is matched with the workpiece alignment pin 4 of said centering positioning tool; Behind workpiece alignment pin 4 stationary engine hatchcovers location; Tighten the hinge bolt of engine compartment cover; Just accomplished the assembling of engine compartment cover, guaranteed the relative left and right daughter board of engine compartment cover centering, gap, the left and right sides meets the requirements; This centering positioning tool has been realized the centering location of engine compartment cover; Reduce assembling adjustment time and assembling adjustment work, not only reduced staff labor intensity, reduced the error of workpiece assembling simultaneously; When improving the production efficiency of assembling, product quality and production efficiency have also been improved.
Above the present invention has been carried out exemplary description; Obviously the concrete realization of the present invention does not receive the restriction of aforesaid way; As long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; Or design of the present invention and technical scheme are directly applied to other occasion without improving, all within protection scope of the present invention.
Claims (8)
1. an automobile assembling is used the centering positioning tool, it is characterized in that: comprise locating support (1), on said locating support (1), be provided with workpiece alignment pin (4); Be provided with Z to back-up block (2) in said locating support (1) bottom, said locating support (1) be positioned at automobile X to both sides be respectively equipped with X to alignment pin (3); Said locating support (1) be positioned at automobile Y to both sides on be respectively equipped with centering detent mechanism (5); The central lines of said centering detent mechanism (5).
2. use the centering positioning tool according to the described automobile assembling of claim 1, it is characterized in that: said centering detent mechanism (5) comprises that the center is provided with the centering rod of blind hole (8); Said centering rod (8) one ends are connected with said locating support (1), are provided with in the blind hole that penetrates centering rod (8) and the alignment pin that can in blind hole, relatively move (9) at the other end of said centering rod (8); In said blind hole, be provided with spring (10), said spring (10) one ends are connected with said centering rod (8), and the other end of said spring (10) is connected with alignment pin (9); On said centering rod (8), be provided with retaining mechanism; Said retaining mechanism is made up of the tie down screw (12) of being located at the locking nut (11) on the centering rod (8) and cooperating with said locking nut (11), is provided with the bolt hole that communicates with said blind hole in said centering rod (8) upper locking nut (11) position; Under locking state, said tie down screw (12) passes locking nut (11) and bolt hole, and tie down screw (12) is pressed on the said alignment pin (9).
3. use the centering positioning tool according to the described automobile assembling of claim 2; It is characterized in that: the edge at said locating support (1) is provided with binding clasp (6); Said binding clasp (6); Comprise the base plate (16) that is connected with said locating support (1), on said base plate (16), stretch out a projection, on this projection, be connected with compact heap (18); The position of going up near compact heap (18) at said base plate (16) is connected with head rod (17), and said head rod (17) one ends and said base plate (16) are hinged, are hinged with pull bar (20) on the other end of said head rod (17); Also comprise second connecting rod (19); Said second connecting rod (19) one ends and said head rod (17) are gone up hinged near the position of said pull bar (20); Said second connecting rod (19) other end and said compact heap (18) middle part are hinged; Down, said compact heap (18) is pressed on the said locating support (1) in working order.
4. use the centering positioning tool according to the described automobile assembling of claim 3, it is characterized in that: said binding clasp (6) is three, the Y that said binding clasp (6) is located at locating support (1) respectively to both sides and X to a side on.
5. use the centering positioning tool according to claim 1 or 2 or 3 or 4 described automobile assembling; It is characterized in that: on said centering rod (8), be provided with precompressed locking pin (15); Said centering rod (8) is provided with the waist-shaped hole that communicates with blind hole, on said alignment pin (9), is provided with the pin-and-hole that matches with said precompressed locking pin (15); Under the duty, said precompressed locking pin (15) one ends pass said waist-shaped hole and are pressed in the said pin-and-hole.
6. use the centering positioning tool according to the described automobile assembling of claim 5, it is characterized in that: pass at said alignment pin (9) on the end of said centering rod (8) and be provided with rubber layer (14).
7. use the centering positioning tool according to the described automobile assembling of claim 6, it is characterized in that: on said tie down screw (12), be provided with handle (13).
8. use the centering positioning tool according to the described automobile assembling of claim 7, it is characterized in that: said locking nut (11) is welded on centering rod (8) outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110415950.7A CN102490137B (en) | 2011-12-13 | 2011-12-13 | Centering and positioning fixture for automobile assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110415950.7A CN102490137B (en) | 2011-12-13 | 2011-12-13 | Centering and positioning fixture for automobile assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102490137A true CN102490137A (en) | 2012-06-13 |
| CN102490137B CN102490137B (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110415950.7A Active CN102490137B (en) | 2011-12-13 | 2011-12-13 | Centering and positioning fixture for automobile assembly |
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| CN (1) | CN102490137B (en) |
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| CN102501063A (en) * | 2011-10-11 | 2012-06-20 | 奇瑞汽车股份有限公司 | Auxiliary tool for mounting automobile front shock absorber |
| CN103894772A (en) * | 2014-03-07 | 2014-07-02 | 奇瑞汽车股份有限公司 | Engine hood installation tool and using method thereof |
| CN104229001A (en) * | 2014-08-29 | 2014-12-24 | 力帆实业(集团)股份有限公司 | Engine hatch assembling tool and fender assembling tool |
| CN104369136A (en) * | 2014-11-14 | 2015-02-25 | 南车资阳机车有限公司 | Installation tool for installing roof frames in locomotive cab and installation method |
| CN105799811A (en) * | 2014-12-08 | 2016-07-27 | 奇瑞汽车股份有限公司 | An engine cover installing tool and an installing method using the installing tool |
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| CN102501063B (en) * | 2011-10-11 | 2016-12-14 | 奇瑞汽车股份有限公司 | A kind of auxiliary tool for mounting automobile front shock absorber |
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