CN202367977U - Pre-compression device for polymer compression spring - Google Patents
Pre-compression device for polymer compression spring Download PDFInfo
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- CN202367977U CN202367977U CN2011205180040U CN201120518004U CN202367977U CN 202367977 U CN202367977 U CN 202367977U CN 2011205180040 U CN2011205180040 U CN 2011205180040U CN 201120518004 U CN201120518004 U CN 201120518004U CN 202367977 U CN202367977 U CN 202367977U
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- positioning sleeve
- compression spring
- polymer
- guide cylinder
- base
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Abstract
The utility model relates to a pre-compression device for a polymer compression spring, which is characterized by comprising a base and a guide cylinder which are connected by a fixed rod, wherein the polymer compression spring is placed in the guide cylinder; a pair of positioning sleeves are arranged at each joint of elastic ball series structures of the polymer compression spring; a gland is arranged inside the guide cylinder at the top of the polymer compression spring; a pressure rod is arranged above the gland; and each pair of positioning sleeves can be mechanically connected by a bulge and groove structure, or be connected by magnets in an adsorption mode, or be connected by hooping rings arranged on the excircles of the positioning sleeves. The pre-compression device has simple and ingenious structure setting; and all elastic balls of the pre-compressed polymer compression spring have the same compression ratio and uniform diameter, the unstable phenomenon cannot occur to the polymer compression spring and the post machining process is saved. Therefore, the pre-compression device can be widely used in the manufacturing process of the polymer compression spring.
Description
Technical field
The utility model relates to a kind of pre-compression device that is applicable to spring, the pre-compression device of particularly using about a kind of polymer compression spring.
Background technology
The advantage that a series of metal springs such as polymer compression spring has that manufacturing process is simple, non-linear rigidity, S. E. A. are high, corrosion-resistant, ageing-resistant are not had; In recent years, polymer compression spring is more and more general in the application of aspects such as automobile, train, bridge; But polymer compression spring also has its defective, mainly shows as the big problem of compression set when using, therefore; When making polymer compression spring; General at first the prefabrication of polymer compression spring is at high temperature annealed, eliminate its internal stress, the prefabrication that then polymer is compressed spring carries out precommpression; To eliminate most of permanent deformation, increase the elasticity of spring.
When carrying out the precommpression of polymer compression spring, because the lower bottom base of compression frock and the depth of parallelism of top board are had relatively high expectations, and because polymer compresses spring during fabrication because the internal soundness uniformity is incomplete same; Particularly, when precommpression, be easy to generate unstable phenomenon, and the compression factor of each elastic ball is inhomogeneous, causes each ball height different with diameter for polymer elasticity ball tandem compression spring.Therefore factory generally takes first precommpression to handle when producing polymer compression spring, carries out mach method then, and this has just increased production process and manufacturing cost greatly.
Summary of the invention
To the problems referred to above, the purpose of the utility model provides the pre-compression device that a kind of polymer compression spring that can overcome the problems such as poor, the follow-up need of unstability, finished product homogeneity machined that cause when polymer compresses the spring precommpression is used.
For realizing above-mentioned purpose, the utility model is taked following technical scheme: the pre-compression device that a kind of polymer compression spring is used, and it is characterized in that: it comprises a base, a guide cylinder, a fixed bar, some to positioning sleeve, a gland and a depression bar; Said base comprises a circular base, and said circular base top has been wholely set a cylindrical boss, and said cylindrical boss top is provided with a circular groove; Said guide cylinder is arranged on the top of said base, and said cylindrical boss is located in the said guide cylinder, and the end face that said guide cylinder contacts with said circular base has been wholely set a circle saddle laterally; Said fixed bar passes the said cylindrical boss on said guide cylinder and the said base, and said guide cylinder and said base are connected; Saidly some positioning sleeve is arranged on the junction of the elastic ball cascaded structure of polymer compression spring at interval, said positioning sleeve is arranged in the said guide cylinder after adorning with said polymer compression spring set; Said gland bottom is provided with a circular groove, and said gland be located in the top of said polymer compression spring, the inside of said guide cylinder; Said depression bar is arranged on the top of said gland.
Said positioning sleeve integral body is semi-circular, and the cross section of said positioning sleeve is " protruding " font that fell, and promptly said positioning sleeve comprises inner ring and outer ring, and the thickness of said inner ring is less than the thickness of said outer ring.
In every pair of said positioning sleeve, on two end faces of one of them said positioning sleeve a convexity is set respectively, on two end faces of another said positioning sleeve respectively correspondence one groove is set; The end face of every pair of said positioning sleeve is oppositely arranged, and being interlocked with said groove through said convexity is connected, and is fastened on the cascaded structure junction of said polymer compression spring ball.
In every pair of said positioning sleeve, on two end faces of one of them said positioning sleeve magnet is set respectively, on two end faces of another said positioning sleeve magnet is set respectively also; The end face of every pair of said positioning sleeve is oppositely arranged, and there is a natural attraction between the sexes connects through said magnet, is fastened on the cascaded structure junction of said polymer compression spring ball.
All be provided with a semi-circular recesses on every pair of said positioning sleeve along outer peripheral face; The end face of every pair of said positioning sleeve is oppositely arranged; The said semi-circular recesses that is provided with on the outer peripheral face forms a circular groove; One lock ring ring is set in the said circular groove, and the elastic reaction through said lock ring ring connects every pair of said positioning sleeve, is fastened on the cascaded structure junction of said polymer compression spring ball.
Said base is connected with forcing press or testing machine through mechanical system with said depression bar.
The groove depth of the said circular groove that said gland bottom is provided with is the half the of said positioning sleeve height; The groove depth of the said circular groove that the top of the said round boss of said base is provided with is the half the of said positioning sleeve height.
The utility model is owing to take above technical scheme; It has the following advantages: 1, the utility model is provided with positioning sleeve in the cascaded structure junction of the elastic ball of polymer compression spring; Be positioned over while assembling in the guide cylinder or after the assembling and be positioned in the guide cylinder, the top of polymer compression spring is provided with gland, through the guiding function of positioning sleeve and gland; Unstable phenomenon when having avoided the compression of polymer compression spring makes each elastic ball profile even.2, can rely on convexity and groove structure mechanical connection or rely on magnet to be attached together or be utilized in the lock ring ring that the positioning sleeve outer ring is provided with and link together between a pair of positioning sleeve of the utility model; Therefore; Can at first after polymer is compressed spring and positioning sleeve assembled in the frock outside, directly put into guide cylinder compresses; Easy to assembly, improved production efficiency.3, guide cylinder of the utility model and base link together through fixed bar; Both made things convenient for the dismounting of guide cylinder; Also avoided when spring compression and answer; Because the friction of positioning sleeve and guide cylinder inwall, cause the disengaging of guide cylinder and base and cause danger, the replacing of also compressing spring for polymer is provided convenience.4, the relative outer ring of the positioning sleeve inner ring thickness of the utility model is little, is that the elastic ball of polymer compression spring provides the flowing space when compressing like this, and positioning sleeve outer ring thickness is bigger, the friction that polymer compression spring and guide cylinder inwall produce when having stoped compression.5, the degree of depth of the utility model gland bottom circular groove is the half the of positioning sleeve height; Therefore; Gland bottom be compressed to positioning sleeve when the short transverse rigidity contact, it is consistent with the compression factor of middle elastic ball to guarantee that polymer compresses the compression factor of top elastic ball of spring.6, the circular groove degree of depth on the utility model base boss top is the half the of positioning sleeve height; Therefore; Base boss top be compressed to positioning sleeve when the short transverse rigidity contacts, can guarantee that the compression factor of bottom elastic ball of polymer compression spring is consistent with the compression factor of middle elastic ball.The utility model structure is provided with simply ingenious; Each elastic ball compression factor of the polymer compression spring that obtains after the precommpression is identical; Diameter is even, and polymer compression spring can not produce unstable phenomenon, has omitted the machining processes in later stage; Therefore, can be widely used in the manufacture process of polymer compression spring.
Description of drawings
Fig. 1 is the utility model structural representation
Fig. 2 is that the utility model positioning sleeve connects sketch map through mechanical system
Fig. 3 is the schematic top plan view of Fig. 2
Fig. 4 is the utility model positioning sleeve, and there is a natural attraction between the sexes connects sketch map through magnet
Fig. 5 is the schematic top plan view of Fig. 4
Fig. 6 is that the utility model positioning sleeve connects sketch map through the lock ring ring
Fig. 7 is the schematic top plan view of Fig. 6
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is carried out detailed description.
As shown in Figure 1, the utility model comprises a base 1, a guide cylinder 2, a fixed bar 3, some to positioning sleeve 4, a gland 5 and a depression bar 6.
The base 1 of the utility model is connected with forcing press or testing machine through mechanical system.Base 1 comprises a circular base 11, and circular base 11 tops have been wholely set a cylindrical boss 12, and cylindrical boss 12 tops are provided with a circular groove 13.Guide cylinder 2 is arranged on the top of base 1, and the cylindrical boss 12 of base 1 is located in the guide cylinder 2, and the end face that guide cylinder 2 contacts with circular base 11 has been wholely set a circle saddle 21 laterally, and saddle 21 is fitted in circular base 11 upper surfaces of base 1.Fixed bar 3 passes the cylindrical boss 12 on guide cylinder 2 and the base 1, and guide cylinder 2 and base 1 are connected, and can guarantee like this that guide cylinder 2 can not produce with base 1 to separate.Some positioning sleeve 4 is arranged on the junction of the elastic ball cascaded structure of polymer compression spring 7 at interval, positioning sleeve 4 and polymer compression spring 7 are positioned in the guide cylinder 2 while assemble and perhaps are positioned in the guide cylinder 2 after the assembled.Gland 5 bottoms are provided with a circular groove 51, and gland 5 be located in the top of polymer compression spring 7, the inside of guide cylinder 2.Depression bar 6 is arranged on the top of gland 5, and depression bar 6 is connected with forcing press or testing machine top through mechanical system.
In the foregoing description, the groove depth of the circular groove 13 that base 1 cylindrical boss 12 tops are provided with equals the half the of positioning sleeve 4 height; The groove depth of the circular groove 51 that gland 5 bottoms are provided with also equals the half the of positioning sleeve 4 height.
In the foregoing description, positioning sleeve 4 integral body of the utility model are semi-circular, and the cross section of positioning sleeve 4 is " protruding " font that fell, and promptly positioning sleeve 4 comprises inner ring 41 and outer ring 42, and the thickness of inner ring 41 is less than the thickness of outer ring 42.Enumerate following three kinds of specific embodiments of the utility model positioning sleeve 4 below.
Embodiment one: like Fig. 2, shown in Figure 3, positioning sleeve 4 integral body are semi-circular, and the cross section of positioning sleeve 4 is " protruding " font that fell, and promptly positioning sleeve 4 comprises inner ring 41 and outer ring 42, and the thickness of inner ring 41 is less than the thickness of outer ring 42.In every pair of positioning sleeve 4, be provided with respectively on two end faces of one of them positioning sleeve 4 one protruding 43, on two end faces of another positioning sleeve 4 respectively correspondence one groove 44 is set; The end face of every pair of positioning sleeve 4 is oppositely arranged; The convexity 43 and the groove 44 of the end face that is oppositely arranged are interlocked; Be fastened on the cascaded structure junction of the elastic ball of polymer compression spring 7; Can positioning sleeve 4 and polymer compression spring 7 be positioned in the guide cylinder 2 while assembling, or be positioned over after the assembled in the guide cylinder 2.
Embodiment two: like Fig. 4, shown in Figure 5, positioning sleeve 4 integral body are semi-circular, and the cross section of positioning sleeve 4 is " protruding " font that fell, and promptly positioning sleeve 4 comprises inner ring 41 and outer ring 42, and the thickness of inner ring 41 is less than the thickness of outer ring 42.In every pair of positioning sleeve 4, on two end faces of one of them positioning sleeve 4 magnet 45 is set respectively, on two end faces of another positioning sleeve 2 magnet 46 is set respectively also; The end face of every pair of positioning sleeve 4 is oppositely arranged; Magnet 46 on the magnet 45 of one of them positioning sleeve 4 end face and another positioning sleeve 4 end faces relies on the magnet principles that there is a natural attraction between the sexes to be connected; Be fastened on the cascaded structure junction of polymer compression spring 7 elastic balls; Can positioning sleeve 4 and polymer compression spring 7 be positioned in the guide cylinder 2 while assembling, or be positioned over after the assembled in the guide cylinder 2.
Embodiment three: like Fig. 6, shown in Figure 7, positioning sleeve 4 integral body are semi-circular, and the cross section of positioning sleeve 4 is " protruding " font that fell, and promptly positioning sleeve 4 comprises inner ring 41 and outer ring 42, and the thickness of inner ring 41 is less than the thickness of outer ring 42.All be provided with a semi-circular recesses 47 on every pair of positioning sleeve 4 along outer peripheral face; The end face of every pair of positioning sleeve 4 is oppositely arranged; The semi-circular recesses 47 that is provided with on the outer peripheral face forms a circular groove; One flexible lock ring ring 8 is arranged in the circular groove that forms on every pair of positioning sleeve 4 outer peripheral faces, every pair of positioning sleeve 4 is fixed as one, every pair of positioning sleeve 4 is fastened on the cascaded structure junction of polymer compression spring 7 elastic balls through the elastic reaction of lock ring ring 8; Can positioning sleeve 4 and polymer compression spring 7 be positioned in the guide cylinder 2 while assembling, or be positioned over after the assembled in the guide cylinder 2.
The method for using of the utility model device:
1) on polymer compression spring 7, the cascaded structure junction of each adjacent elastic ball is provided with a pair of positioning sleeve 4, and is some to being positioned in the guide cylinder 2 after positioning sleeve 4 and polymer compression spring 7 assembled, perhaps is positioned over while assembling in the guide cylinder 2; Inner ring 41 after every pair of positioning sleeve 4 is assembled cooperates with elastic ball cascaded structure junction, and outer ring 42 cooperates with guide cylinder 2 inwalls, and the elastic ball compression of common directs polymer compression spring 7 avoids taking place unstable phenomenon.
2) make depression bar 6 compress glands 5 through forcing press or testing machine; 7 distortion of gland 5 comperession polymers compression spring; Polymer compression spring 7 drives each the inwall of positioning sleeve 4 along guide cylinder 2 is moved, and until on short transverse, goes up between the circular groove 51 of one group of positioning sleeve 4 and gland 5, between the adjacent positioned cover 4 and next is organized between the circular groove 13 at positioning sleeve 4 and base 1 cylindrical boss 12 tops; All reach the rigidity contact; After the power unloading, polymer compression spring 7 produces part and replys, and drives each simultaneously positioning sleeve 4 is slided along guide cylinder 2 inwalls; Polymer compression spring 7 has been avoided unstable phenomenon when precommpression like this, and each elastic ball compression factor of the spring 7 of polymer compression simultaneously is even.
In the foregoing description, the degree of depth of gland 5 bottom circular grooves 51 is the half the of positioning sleeve 4 height, gland 5 bottoms be compressed to positioning sleeve 4 when the short transverse rigidity contact, the compression factor that polymer compresses spring 7 top elastic balls is consistent with middle elastic ball.
In the foregoing description; Circular groove 13 degree of depth at base 1 cylindrical boss 12 tops are the half the of positioning sleeve 4 height; Base 1 top be compressed to positioning sleeve 4 when the short transverse rigidity contacts, the compression factor of polymer compression spring 7 bottom elastic balls is consistent with middle elastic ball.
Above-mentioned each embodiment only is used to explain the utility model; Wherein the structure of each parts, connected mode etc. all can change to some extent; Every equivalents of on the basis of the utility model technical scheme, carrying out and improvement all should not got rid of outside the protection domain of the utility model.
Claims (8)
1. a polymer compresses the pre-compression device that spring is used, and it is characterized in that: it comprises a base, a guide cylinder, a fixed bar, some to positioning sleeve, a gland and a depression bar;
Said base comprises a circular base, and said circular base top has been wholely set a cylindrical boss, and said cylindrical boss top is provided with a circular groove; Said guide cylinder is arranged on the top of said base, and said cylindrical boss is located in the said guide cylinder, and the end face that said guide cylinder contacts with said circular base has been wholely set a circle saddle laterally; Said fixed bar passes the said cylindrical boss on said guide cylinder and the said base, and said guide cylinder and said base are connected; Saidly some positioning sleeve is arranged on the junction of the elastic ball cascaded structure of polymer compression spring at interval, said positioning sleeve is arranged in the said guide cylinder after adorning with said polymer compression spring set; Said gland bottom is provided with a circular groove, and said gland be located in the top of said polymer compression spring, the inside of said guide cylinder; Said depression bar is arranged on the top of said gland.
2. the pre-compression device that a kind of polymer compression spring as claimed in claim 1 is used; It is characterized in that: said positioning sleeve integral body is semi-circular; The cross section of said positioning sleeve is " protruding " font that fell; Be that said positioning sleeve comprises inner ring and outer ring, and the thickness of said inner ring is less than the thickness of said outer ring.
3. the pre-compression device that a kind of polymer compression spring as claimed in claim 2 is used; It is characterized in that: in every pair of said positioning sleeve; On two end faces of one of them said positioning sleeve a convexity is set respectively, on two end faces of another said positioning sleeve respectively correspondence one groove is set; The end face of every pair of said positioning sleeve is oppositely arranged, and being interlocked with said groove through said convexity is connected, and is fastened on the cascaded structure junction of said polymer compression spring ball.
4. the pre-compression device that a kind of polymer compression spring as claimed in claim 2 is used; It is characterized in that: in every pair of said positioning sleeve; On two end faces of one of them said positioning sleeve magnet is set respectively, on two end faces of another said positioning sleeve magnet is set respectively also; The end face of every pair of said positioning sleeve is oppositely arranged, and there is a natural attraction between the sexes connects through said magnet, is fastened on the cascaded structure junction of said polymer compression spring ball.
5. the pre-compression device that a kind of polymer compression spring as claimed in claim 2 is used; It is characterized in that: all be provided with a semi-circular recesses on every pair of said positioning sleeve along outer peripheral face; The end face of every pair of said positioning sleeve is oppositely arranged; The said semi-circular recesses that is provided with on the outer peripheral face forms a circular groove; One lock ring ring is set in the said circular groove, and the elastic reaction through said lock ring ring connects every pair of said positioning sleeve, is fastened on the cascaded structure junction of said polymer compression spring ball.
6. compress the pre-compression device that springs are used like claim 1 or 2 or 3 or 4 or 5 described a kind of polymer, it is characterized in that: said base is connected with forcing press or testing machine through mechanical system with said depression bar.
7. compress the pre-compression device that springs are used like claim 1 or 2 or 3 or 4 or 5 described a kind of polymer, it is characterized in that: the groove depth of the said circular groove that said gland bottom is provided with is the half the of said positioning sleeve height; The groove depth of the said circular groove that the top of the said round boss of said base is provided with is the half the of said positioning sleeve height.
8. the pre-compression device that a kind of polymer compression spring as claimed in claim 6 is used, it is characterized in that: the groove depth of the said circular groove that said gland bottom is provided with is the half the of said positioning sleeve height; The groove depth of the said circular groove that the top of the said round boss of said base is provided with is the half the of said positioning sleeve height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205180040U CN202367977U (en) | 2011-12-13 | 2011-12-13 | Pre-compression device for polymer compression spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205180040U CN202367977U (en) | 2011-12-13 | 2011-12-13 | Pre-compression device for polymer compression spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202367977U true CN202367977U (en) | 2012-08-08 |
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ID=46591698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205180040U Expired - Lifetime CN202367977U (en) | 2011-12-13 | 2011-12-13 | Pre-compression device for polymer compression spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202367977U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102431205A (en) * | 2011-12-13 | 2012-05-02 | 北京隆轩橡塑有限公司 | Precompression device for polymer compression spring |
| CN113211851A (en) * | 2021-05-18 | 2021-08-06 | 江苏众联祥博新能源科技有限公司 | Damping device for automobile mold |
-
2011
- 2011-12-13 CN CN2011205180040U patent/CN202367977U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102431205A (en) * | 2011-12-13 | 2012-05-02 | 北京隆轩橡塑有限公司 | Precompression device for polymer compression spring |
| CN113211851A (en) * | 2021-05-18 | 2021-08-06 | 江苏众联祥博新能源科技有限公司 | Damping device for automobile mold |
| CN113211851B (en) * | 2021-05-18 | 2021-12-10 | 江苏众联祥博新能源科技有限公司 | Damping device for automobile mold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120808 |