CN218835646U

CN218835646U - Arc spring tail end angle tolerance control device

Info

Publication number: CN218835646U
Application number: CN202223467350.8U
Authority: CN
Inventors: 沈志刚; 耿生; 邵安
Original assignee: Brand Kern Liebers Precision Parts Taicang Co ltd
Current assignee: Brand Kern Liebers Precision Parts Taicang Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-04-11
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses an arc spring tail end angle tolerance controlling means relates to the spring and makes technical field, including the installation storehouse, one side of installation storehouse front end is provided with the optical camera, the opposite side of installation storehouse front end is provided with infrared inductor. The utility model provides an arc spring tail end angle tolerance controlling means surveys the regulation through optical camera, guarantee that every spring is last to wind the number of turns and all reaches unanimity, when in the cold forming in-process of arc spring after that, through the threshold value of infrared inductor identification arc spring terminal surface, thereby the terminal position after the shaping of more accurate control arc spring, make change the spring press and the stress that the in-process bore and the terminal contact surface of spring when pressing, the stress that bears after making the spring pressurized is in the application range of material, the effectual weakest contact point of spring end of having avoided, great promotion spring fatigue life number of times.

Description

Arc spring tail end angle tolerance control device

Technical Field

The utility model relates to a technical field is made to the spring, concretely relates to arc spring tail end angle tolerance controlling means.

Background

In recent years, china has made good progress in the aspect of automobile energy-saving technology, advanced internal combustion engines, efficient transmissions, light-weight materials, complete automobile optimization design, hybrid power and other energy-saving technologies are vigorously popularized to form a primary market scale, but key technologies of core parts are still mastered in hands of foreign manufacturers, for example, arc springs on tensioning wheels, and the key technologies are not broken through, so that the product cost is high, the industrialization and marketization development are restricted, and a certain gap is left compared with the international advanced level.

The most problem of the arc spring is fatigue fracture, the applicant analyzes the fragile part at the tail end of the spring and arranges and improves thought, one of the solutions is to control the angle of the tail end position of the spring, firstly, the easy fracture area of the arc spring is analyzed, and the stress borne by the spring in the compression and combination process and the contact surface at the tail end of the spring in the compression and combination process are changed by adjusting the contact surface of the easy fracture area, so that an angle tolerance control device at the tail end of the arc spring is needed to control the end surface of the arc spring, and the stress borne by the compressed spring is in the use range of materials.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned problem that current arc spring tail end angle tolerance controlling means exists, provided the utility model discloses.

Therefore, the utility model aims at providing an arc spring tail end angle tolerance controlling means has solved the fatigue fracture problem of arc spring.

In order to achieve the above object, the present invention provides the following technical solutions:

an angle tolerance control device for the tail end of an arc-shaped spring comprises an installation bin, wherein an optical camera is arranged on one side of the front end of the installation bin, and an infrared sensor is arranged on the other side of the front end of the installation bin; the utility model discloses an optical camera, infrared inductor's one end is all fixedly connected with installation piece, and the installation piece extends to the inner chamber of installation storehouse, the installation piece is located the one end of installation storehouse inner chamber and has seted up the hexagon socket head cap locating hole, the both sides fixedly connected with hexagon socket head cap locating piece of installation storehouse inner chamber one end, and the hexagon socket head cap locating piece extends to the inner chamber of hexagon socket head cap locating hole, the inner chamber of installation storehouse is provided with stop gear, has effectually avoided the terminal weakest contact point of spring, great promotion spring fatigue life number of times to strengthen the power transmission volume of take-up pulley effectively, reduce vibrations in operation, noise, improve the life of take-up pulley.

Preferably, the limiting mechanism comprises: the utility model discloses a fixing device for fixing the installation piece, including installation bin, locating hole, connecting plate, fixed connection board, locating hole, inserted bar, the inner chamber of installation bin, set up in the slide bar of installation bin inner chamber both sides bottom, the surface slip cover of slide bar is equipped with two sets of cover pieces, the top fixedly connected with connecting plate of cover piece is two sets of three locating holes have been seted up to one side that the installation piece is close to each other, and the locating hole is located the inner chamber of installation bin, the inserted bar is close to three groups of fixedly connected with in one side of installation piece to the connecting plate, and the one end of inserted bar extends to the inner chamber of locating hole, the inner chamber of installation bin is provided with the fixed subassembly that resets, is convenient for carry out fixed operation to the installation piece.

Preferably, the reduction fixation assembly comprises: set up in the installation base of installation storehouse inner chamber bottom, the slide bar runs through the installation base, the top fixedly connected with locating lever of installation base, the top slip cover on locating lever surface is equipped with the pull rod, and the one end of pull rod extends to the outside of installation storehouse, the fixed cover of one end that the pull rod surface is close to the locating lever is equipped with articulated piece, the both sides of articulated piece articulate there is the connecting rod, and the one end of connecting rod and the bottom of connecting plate are articulated each other, the top cover that the pull rod is located the articulated piece of installation storehouse inner chamber surface is equipped with spring A, slide bar surface slip cover is equipped with two sets of spring B, and two sets of spring B are located between installation base and the pocket, can carry out the pulling operation of linkage to two sets of connecting plates.

Preferably, the both sides at installation storehouse inner chamber top are provided with supplementary slide rail, the inboard sliding connection of supplementary slide rail has supplementary slider, and the bottom of supplementary slider and the top interconnect of connecting plate, can carry on spacingly to the removal orbit of connecting plate, takes place the skew when avoiding the connecting plate to remove, guarantees the stability when connecting plate removes.

Further, the bottom fixedly connected with backup pad A in installation storehouse, backup pad A's surperficial slip cover is equipped with backup pad B, backup pad B's bottom fixedly connected with installation base can make the installation storehouse carry out altitude mixture control according to the operation demand of reality, and then improves the device's suitability.

Preferably, a plurality of groups of positioning holes are formed in the two ends of the supporting plate A and penetrate through the supporting plate A, a fixing bolt is sleeved on the top thread of one end of the supporting plate B and penetrates through the supporting plate B and the supporting plate A through the positioning holes, and the supporting plate B and the supporting plate A are convenient to fix.

In the technical scheme, the utility model provides a technological effect and advantage:

1. the utility model discloses, survey the regulation through optical camera, guarantee that the last number of turns of convoluteing of every spring all reaches unanimity, when following at the cold shaping in-process of arc spring, through the threshold value of infrared inductor identification arc spring terminal surface, thereby terminal position after the shaping of more accurate control arc spring, make the terminal contact surface of spring when changing the stress that spring pressure and in-process bore and pressure, the stress that makes the spring bear after the pressurized is in the application range of material, the effectual weakest contact point of spring end of having avoided, great promotion spring fatigue life number of times, and strengthen the power transmission volume of take-up pulley effectively, reduce vibrations in the operation, noise, improve the life of take-up pulley, the bottleneck of one of the internal take-up pulley technical development has been filled, good market prospect has.

2. The utility model discloses, can drive the quick locating hole from the installation piece of following of inserted bar on two sets of connecting plates through the pulling pull rod and shift out, then the installation processing is dismantled to the quick installation storehouse of following of installation piece to the convenience, and then can be quick dismantles maintenance or change the processing to optical camera and infrared inductor, and simple structure convenient operation, great reduction operating personnel's the operation degree of difficulty.

3. The utility model discloses, through backup pad A move fixing bolt through twisting after backup pad B inboard slides and fix, can make the installation storehouse carry out altitude mixture control according to the operation demand of reality, and then improve the device's suitability.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a back sectional perspective view of the mounting bin of the present invention;

fig. 3 is a side-sectional perspective view of the mounting bin of the present invention;

fig. 4 is a bottom cut-away perspective view of the installation bin of the present invention.

Description of the reference numerals:

1. installing a bin; 2. an optical camera; 3. an infrared sensor; 4. mounting blocks; 5. a pull rod; 6. a support plate A; 7. a support plate B; 8. fixing the bolt; 9. positioning holes; 10. installing a base; 11. a connecting plate; 12. inserting a rod; 13. a spring A; 14. a slide bar; 15. sleeving blocks; 16. a connecting rod; 17. installing a base; 18. positioning a rod; 19. a hinged block; 20. a spring B; 21. positioning holes; 22. an inner hexagonal positioning block; 23. and an inner hexagonal positioning hole.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The embodiment of the utility model discloses arc spring tail end angle tolerance controlling means.

The utility model provides an arc spring tail end angle tolerance controlling means as shown in fig. 1-4 is including installation storehouse 1, one side of installation storehouse 1 front end is provided with optical camera 2, the opposite side of installation storehouse 1 front end is provided with infrared inductor 3, when pay-off length in the arc spring coiling forming process and the optical camera 2 after the coiling forming survey the regulation, guarantee that the last coiling number of turns of every spring all reaches unanimity, when following at the cold shaping in-process of arc spring, through the threshold value of infrared inductor 3 discernment arc spring terminal surface, thereby terminal position behind the more accurate control arc spring shaping, make the terminal contact surface of spring when changing the stress that the spring pressed and in-process bore and pressure, the stress that bears after making the spring pressurized is in the application range of material, the effectual contact point that has avoided the spring end weakest, great promotion spring fatigue life number of times, and strengthen the power transmission volume of take-up pulley effectively, reduce vibrations in operation, the noise, improve the life of take-up pulley, the bottleneck of a take-up pulley, the internal technological development, the good market prospect has.

In order to facilitate the disassembly and assembly operation, as shown in fig. 2-4, one end of each of the optical camera 2 and the infrared sensor 3 is fixedly connected with an installation block 4, the installation block 4 extends to the inner cavity of the installation bin 1, one end of the installation block 4, which is located in the inner cavity of the installation bin 1, is provided with an inner hexagonal positioning hole 23, two sides of one end of the inner cavity of the installation bin 1 are fixedly connected with inner hexagonal positioning blocks 22, the inner hexagonal positioning blocks 22 extend to the inner cavity of the inner hexagonal positioning hole 23, and the inner cavity of the installation bin 1 is provided with a limiting mechanism;

stop gear includes: the sliding rod 14 is arranged at the bottoms of two sides of an inner cavity of the installation bin 1, two sets of sleeve blocks 15 are slidably sleeved on the surface of the sliding rod 14, a connecting plate 11 is fixedly connected to the top of each sleeve block 15, three sets of positioning holes 21 are formed in one side, close to each other, of each of the two sets of installation blocks 4, the positioning holes 21 are located in the inner cavity of the installation bin 1, three sets of insertion rods 12 are fixedly connected to one side, close to the installation blocks 4, of the connecting plate 11, one ends of the insertion rods 12 extend to the inner cavity of the positioning holes 21, and a reset fixing assembly is arranged in the inner cavity of the installation bin 1;

the reset fixing component comprises: set up in the installation base 17 of 1 inner chamber bottom in installation storehouse, slide bar 14 runs through installation base 17, installation base 17's top fixedly connected with locating lever 18, the top on locating lever 18 surface slides the cover and is equipped with pull rod 5, and the one end of pull rod 5 extends to the outside of installation storehouse 1, the fixed cover of one end that the pull rod 5 surface is close to locating lever 18 is equipped with articulated piece 19, articulated piece 19's both sides articulate there is connecting rod 16, and connecting rod 16's one end and connecting plate 11's bottom articulate each other, the top cover that pull rod 5 is located the articulated piece 19 of installation storehouse 1 inner chamber surface is equipped with spring A13, slide bar 14 surface slides the cover and is equipped with two sets of spring B20, and two sets of spring B20 are located between installation base 17 and the cover piece 15.

When the optical camera 2 or the infrared sensor 3 is in failure, the pull rod 5 is pulled to slide on the surface of the positioning rod 18, then the hinge block 19 moves upwards to drive the spring A13 to compress, then the angle between the two sets of connecting rods 16 and the hinge block 19 can be changed, further the two sets of sleeve blocks 15 can be driven to slide on the surface of the sliding rod 14 close to each other, then the spring B20 is compressed, then the connecting plate 11 can be moved simultaneously, the inserting rod 12 can be moved out of the positioning hole 21, the fixing of the mounting block 4 is cancelled, and then the mounting block 4 can be quickly moved out of the inner cavity of the mounting bin 1, and then can overhaul or dismantle the processing with optical camera 2 or infrared inductor 3 on the installation piece 4, when needs are installed installation piece 4, at first pulling pull rod 5 drives spring A13 and the shrink of spring B20, then push back installation piece 4 in the installation storehouse 1, and make the interior hexagonal locating piece 22 of installation storehouse 1 inner chamber insert the inboard of hexagonal locating hole 23, can loosen pull rod 5 at this moment, utilize spring A13's resilience force to drive articulated piece 19 and reset, make two sets of pockets 15 reset through spring B20's resilience force simultaneously, and drive three groups of inserted bars 12 on the connecting plate 11 insert the locating hole 21 on installation piece 4 again and carry out spacing fixed to installation piece 4.

And for the convenience of carrying out the regulation of height to installation storehouse 1, as shown in fig. 1, the bottom fixedly connected with backup pad A6 of installation storehouse 1, the cover of sliding surface of backup pad A6 is equipped with backup pad B7, the bottom fixedly connected with installation base 10 of backup pad B7, multiunit locating hole 9 is seted up at backup pad A6 both ends, and locating hole 9 runs through backup pad A6, the top thread bush of backup pad B7 one end is equipped with fixing bolt 8, and fixing bolt 8 runs through backup pad B7 and backup pad A6 through locating hole 9.

When the optical camera 2 and the infrared sensor 3 on the installation bin 1 are required to be used for control operation, the installation base 10 is firstly moved to the ground of a specified position, then the installation bin 1 is pulled to drive the supporting plate A6 to slide on the inner side of the supporting plate B7, after the installation bin 1 is moved and adjusted to a proper position, the fixing bolt 8 is screwed, so that the fixing bolt 8 penetrates through the supporting plate B7 and the supporting plate A6 through the positioning hole 9, and the position of the supporting plate A6 is fixed.

Finally, in order to improve the stability that connecting plate 11 removed, as shown in fig. 4, the both sides at 1 inner chamber top of installation storehouse are provided with supplementary slide rail, the inboard sliding connection of supplementary slide rail has supplementary slider, and the bottom of supplementary slider and the top interconnect of connecting plate 11, can drive supplementary slider and remove in supplementary slide rail inboard when connecting plate 11 removes, carry on spacingly to the removal orbit of connecting plate 11, take place the skew when avoiding connecting plate 11 to remove, stability when guaranteeing connecting plate 11 to remove.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive on the scope of the appended claims.

Claims

1. An angle tolerance control device for the tail end of an arc spring comprises a mounting bin (1), and is characterized in that an optical camera (2) is arranged on one side of the front end of the mounting bin (1), and an infrared sensor (3) is arranged on the other side of the front end of the mounting bin (1);

the optical camera is characterized in that one end of the optical camera (2) and one end of the infrared inductor (3) are fixedly connected with mounting blocks (4), the mounting blocks (4) extend to the inner cavity of the mounting bin (1), one end of each mounting block (4) located in the inner cavity of the mounting bin (1) is provided with an inner hexagonal positioning hole (23), two sides of one end of the inner cavity of the mounting bin (1) are fixedly connected with inner hexagonal positioning blocks (22), the inner hexagonal positioning blocks (22) extend to the inner cavity of the inner hexagonal positioning holes (23), and the inner cavity of the mounting bin (1) is provided with a limiting mechanism.

2. The arcuate spring tail end angular tolerance control device of claim 1, wherein said limiting mechanism comprises: set up in slide bar (14) of installation storehouse (1) inner chamber both sides bottom, the surface sliding cover of slide bar (14) is equipped with two sets of cover blocks (15), the top fixedly connected with connecting plate (11) of cover block (15), two sets of three locating holes (21) have been seted up to one side that installation block (4) are close to each other, and locating hole (21) are located the inner chamber of installation storehouse (1), one side fixedly connected with three inserted bar (12) of group that connecting plate (11) are close to installation block (4), and the one end of inserted bar (12) extends to the inner chamber of locating hole (21), the inner chamber of installation storehouse (1) is provided with the fixed subassembly that resets.

3. The arcuate spring tail end angular tolerance control device of claim 2, wherein said reset fixture assembly comprises: set up in installation base (17) of installation storehouse (1) inner chamber bottom, slide bar (14) run through installation base (17), the top fixedly connected with locating lever (18) of installation base (17), the top slip cover on locating lever (18) surface is equipped with pull rod (5), and the one end of pull rod (5) extends to the outside of installation storehouse (1), the fixed cover of one end that pull rod (5) surface is close to locating lever (18) is equipped with articulated piece (19), the both sides of articulated piece (19) articulate there is connecting rod (16), and the one end of connecting rod (16) and the bottom of connecting plate (11) are articulated each other, the top cover that pull rod (5) are located the articulated piece (19) of installation storehouse (1) inner chamber surface is equipped with spring A (13), slide bar (14) surface slip cover is equipped with two sets of springs B (20), and two sets of springs B (20) are located between installation base (17) and cover piece (15).

4. The arc spring tail end angle tolerance control device according to claim 2, characterized in that auxiliary sliding rails are arranged on two sides of the top of the inner cavity of the installation bin (1), an auxiliary sliding block is connected to the inner sides of the auxiliary sliding rails in a sliding manner, and the bottom of the auxiliary sliding block is connected with the top of the connecting plate (11).

5. The arc spring tail end angle tolerance control device according to claim 1, characterized in that a support plate A (6) is fixedly connected to the bottom of the installation bin (1), a support plate B (7) is slidably sleeved on the surface of the support plate A (6), and an installation base (10) is fixedly connected to the bottom of the support plate B (7).

6. The arc spring tail end angle tolerance control device according to claim 5, wherein a plurality of groups of positioning holes (9) are formed in two ends of the support plate A (6), the positioning holes (9) penetrate through the support plate A (6), a fixing bolt (8) is sleeved on the top of one end of the support plate B (7) in a threaded manner, and the fixing bolt (8) penetrates through the support plate B (7) and the support plate A (6) through the positioning holes (9).