CN202804026U - Reducing swing mechanism for spring machines - Google Patents
Reducing swing mechanism for spring machines Download PDFInfo
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- CN202804026U CN202804026U CN 201220349771 CN201220349771U CN202804026U CN 202804026 U CN202804026 U CN 202804026U CN 201220349771 CN201220349771 CN 201220349771 CN 201220349771 U CN201220349771 U CN 201220349771U CN 202804026 U CN202804026 U CN 202804026U
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Abstract
The utility model discloses a reducing swing mechanism for spring machines and belongs to the technical field of key parts for spring machines. The reducing swing mechanism for spring machines comprises a cam, a rocker, a regulating block and a slider and further comprises an inverted-Y-shaped reducing lever. Swing angle of both the reducing lever and the rocker is not larger than 10 DEG. The lower portion of the reducing lever is disposed on a lever pole. Geometric positional angle between the lever pole and the cam and rolling bearing is 90 DEG. A line of a center of the cam and a swing center of the reducing lever coincides with a central line of a guide plate. The middle of the reducing lever is in contact connection with a second bolt. A first bolt is disposed at the tail end of the reducing lever. Each of the first bolt and the second bolt is provided with a spherical structure. Central lines of the first bolt and the second bolt pass through the centers of upper and lower spring ejectors respectively. The reducing swing mechanism for spring machines is applicable to spring machines and has the advantages of simple structure, high transmission precision, high stability and the like.
Description
Technical field
The utility model relates to a kind of coiling machine reducing swing mechanism, belongs to the key position technical field on the coiling machine.
Background technology
The reducing swing mechanism is the indispensable structure of coiling machine, yet at present in the reducing swinging structure of coiling machine, mainly comprise cam 1a, the first fork 2a, the second fork 3a, the 3rd fork 4a and top shoe 5a, sliding block 6a, top shoe 5a lower end is equipped with top spring abutment 7a, sliding block 6a lower end is equipped with lower top spring abutment 8a, upper top spring abutment 7a, install respectively on the lower top spring abutment 8a and decide spring pin 7b, lower top spring pin 8b, spring is by the below of top spring pin 7b in the guide plate 9a arrival and lower top spring pin 8b, be rolling bearing 10a between cam 1a and the first fork 2a, the first fork 2a, the second fork 3a is by the first fork stake 2b, the second fork stake 3b is installed on the casing, the first fork 2a laterally installs, between the first fork 2a and the second fork 3a regulating block 11a is set, the second fork 3a is " U " shape structure 3c away from the end of the first fork 2a, " U " shape structure 3c is connected with the 3rd fork 4a with the first bolt 12a respectively, be connected by roller 13a between " U " shape structure 3c and the 3rd fork 4a, " U " shape structure 3c is connected for contact with the first bolt 12a, the first bolt 12a is connected with top shoe 5a contact, and drive top shoe 5a moves, the second fork 3a drives the 3rd fork 4a by roller 13a and swings, thereby sliding block 6a moves, top shoe 5a, the movement of sliding block 6a, make top spring pin 7b be in different positions with lower top spring pin 8b, thereby realize the control of coil diameter.But such structure, the pivot angle between each fork is larger, thus the transmission pressure angle is large, and sliding ratio is large, and in use, transmission accuracy and stability are all lower, and the coiling machine wearing and tearing are large, and a covering device can only be made left-handed spring or dextrorotation spring.
Have based on this, make the utility model.
Summary of the invention
The utility model provides the coiling machine reducing swing mechanism of a kind of transmission accuracy height, good stability, a tractor serves several purposes.
The technical scheme that the utility model is taked is as follows:
Coiling machine reducing swing mechanism, comprise cam, fork, regulating block and slide block, cam is connected by rolling bearing with fork, fork is installed on the casing by the fork stake, it is characterized in that: also comprise the reducing lever, described reducing lever is for falling " people " character form structure, the pivot angle of reducing lever≤10 °, the bottom of reducing lever is installed in the lever stake, and lever pile center is vertical with the line at rolling bearing center with cam center with the line at rolling bearing center; Cam center, reducing lever swing are centered close on the center line of guide plate; The pivot angle of fork≤10 °, the middle part of reducing lever contacts with the second bolt, and the end that the second bolt contacts with the reducing lever is spherical structure, and the second bolt is installed on the fishplate bar, and the lower end of fishplate bar is equipped with sliding block, and the sliding block upper end is equipped with tension spring; The end of reducing lever is equipped with the first bolt, and the first bolt contacts with top shoe, and the end that the first bolt contacts with top shoe is spherical structure; By the center of upper top spring abutment, lower top spring abutment, upper top spring abutment is evenly distributed with 5 the first screw holes to the center line of the first bolt and the second bolt respectively; Lower top spring abutment is evenly distributed with 5 the second screw holes.
For realizing better result of use, further arrange as follows:
Described fork swings to a half of maximum pendulum angle, and the line of the oscillation center of reducing lever swing center and fork is positioned on fork and the plane that regulating block contacts.
Described reducing lever swing is to a half of maximum pendulum angle, and the line of contact point is vertical with the top shoe glide direction on the oscillation center of reducing lever and the first bolt and the slide block.
Described reducing lever swing is to a half of maximum pendulum angle, and the line of the oscillation center of reducing lever and the second bolt contact point is vertical with the sliding block glide direction.
Described reducing lever swing is to a half of maximum pendulum angle, and the line of the oscillation center of reducing lever and the first bolt contact point on slide block is vertical with the line of the oscillation center of the oscillation center of reducing lever and fork.
The position that described regulating block contacts with fork is cylindrical.
In described the first screw hole, the respectively in twos corresponding setting of 4 the first screw holes is arranged, form two pairs.
In described the second screw hole, the respectively in twos corresponding setting of 4 the second screw holes is arranged, form two pairs.
Action principle of the present utility model and beneficial effect are as follows:
Cam rotates, and by the gearing of rolling bearing, fork is swung, and regulating block contacts with fork, drives the reducing lever and swings with fork; By the first bolt and the second bolt, reducing lever drives top shoe and sliding block move, and make top spring pin be in different positions with lower top spring pin, thereby realize the control of coil diameter.
1. the utility model adopts the reducing lever of " people " character form structure, consist of the drive source of the reducing swing mechanism of coiling machine in conjunction with cam and fork, the pivot angle of reducing lever≤10 °, the pivot angle of fork≤10 °, the first bolt, the second bolt and sliding shoe are provided with spherical structure, compare with traditional reducing swing mechanism, in the utility model, only have 1 fork and 1 reducing lever, fork quantity has reduced 1, structure is simpler, this design not only makes fork each contact position sliding ratio in swing process extremely low, and pressure angle is little during swing, and how much are slided low, it is very little to wear and tear, and transmission efficiency and precision are higher.
2. the reducing lever swing is to a half of maximum pendulum angle, the line of the oscillation center of reducing lever swing center and fork is positioned on fork and the plane that regulating block contacts, the line of contact point is vertical with the top shoe glide direction on the oscillation center of reducing lever and the first spherical structure and the slide block, the line of the oscillation center of reducing lever and the contact point of the second spherical structure becomes vertical with the sliding block glide direction, the line of the oscillation center of reducing lever and the first spherical structure contact point on slide block is vertical with the line of the oscillation center of the oscillation center of reducing lever and fork, such Structure Improvement the stability of reducing swing mechanism.
3. the center line of the oscillation center line of the center of cam and reducing lever and guide plate is overlapping, on the second slide block tension spring is installed, make the symmetrical configuration of whole reducing swing mechanism, can adapt to the needs of different turns as long as a cover rolls the reducing swing mechanism of dextrorotation spring, the corresponding component upset is adjusted, just can carry out the production of left-handed spring, and not need to join in addition the left-handed reducing swing mechanism of a cover; Have 4 to be respectively in twos corresponding setting in the first screw hole, form two pairs, select different the first right screw holes, upper top spring key seat can be installed on the different directions; There are 4 to be respectively in twos corresponding setting in the second screw hole, form two pairs, the second different right screw hole of selecting, lower top spring key seat can be installed on the different directions, has reduced number of spare parts, has reduced production cost.
Description of drawings
Fig. 1 is the structural representation of prior art coiling machine reducing swing mechanism;
Fig. 2 is the structural representation of the utility model coiling machine reducing swing mechanism.
Number in the figure: 1, cam; 2, rolling bearing; 3, bearing pin; 4, fork; 41, fork stake; 5, regulating block; 6, screw; 7, reducing lever; 71, lever stake; 72, lever cover; 8, the first bolt; 81, the first spherical structure; 9, top shoe; 10, upper extension spring; 11, the first slide; 12, upper top spring pin; 121, upper top spring key seat; 122, the first screw hole; 13, the second bolt; 131, the second spherical structure; 14, tension spring; 15, fishplate bar; 16, the second slide; 17, sliding block; 18, lower top spring pin; 181, lower top spring key seat; 182, the second screw hole; 19, guide plate; 20, spring.
1a, cam; 2a, the first fork; 2b, the first fork stake; 3a, the second fork; 3b, the second fork stake; 3c, " U " shape structure; 4a, the 3rd fork; 5a, top shoe; 6a, sliding block; 7a, upper top spring abutment; 7b, upward decide the spring pin; 8a, lower top spring abutment; 8b, lower top spring pin; 9a, guide plate; 10a, rolling bearing; 11a, regulating block; 12a, the first bolt; 13a, roller.
The specific embodiment
Such as a kind of coiling machine reducing of Fig. 2 the utility model swing mechanism, comprise cam 1, fork 4 and reducing lever 7, reducing lever 7 is for falling " people " character form structure, reducing lever 7 is installed in the lever stake 71 by lever cover 72, rolling bearing 2 is connected with cam 1 contact, rolling bearing 2 is installed on the fork 4 by bearing pin 3, one end of fork 4 is sleeved on the bearing pin 3, fork 4 other ends are installed in the fork stake 41, be provided with regulating block 5 between fork 4 and the reducing lever 7, screw 6 is in order to regulate the position of regulating block 5 on reducing lever 7; The end of reducing lever 7 is equipped with the first bolt 8, the first bolt 8 is hexagon socket head cap screw, the first bolt 8 is that contact is connected with top shoe 9, top shoe 9 is positioned at the first slide 11, top shoe 9 can move along the first slide 11, the upper end of top shoe 9 is installed with extension spring 10, and the other end of upper extension spring 10 is installed on the casing, and upper top spring pin 12 is installed in the lower end of top shoe 9 by upper top spring key seat 121; The middle part of reducing lever 7 is connected with 13 contacts of the second bolt, the second bolt 13 also is hexagon socket head cap screw, the second bolt 13 is installed on the fishplate bar 15, the lower end of fishplate bar 15 is equipped with sliding block 17, sliding block 17 is positioned at the second slide 16, sliding block 15 upper ends are equipped with tension spring 14, and lower top spring pin 18 is installed in the lower end of sliding block 17 by lower top spring key seat 181.
Starting device, cam 1 rotates, promote rolling bearing 2, rolling bearing 2 swings the fork 4 that is sleeved on the bearing pin 3, by the transmission of regulating block 5 by bearing pin 3, driving reducing lever 7 swings with fork 4, the first bolt 8 promotes top shoe 9 and moves along the first slide 11, and the second bolt 13 promotes sliding block 17 and moves along the second slide 16, thereby the upper top spring pin 12 of drive and lower top spring pin 18 move; When guide plate 19 is transported to upper top spring pin 12 and spring pin 18 below, lower top with spring 20, manually spring 20 ends are moved in the lower top spring pin 18, under the acting in conjunction of upper top spring pin 12 and lower top spring pin 18, the external diameter of spring 20 changes, thereby has realized the control of spring 20 external diameter sizes.
Reducing lever 7 swings to a half of maximum pendulum angle, the line of reducing lever 7 oscillation centers and the oscillation center of fork 4 is positioned on fork 4 and the plane that regulating block 5 contacts, the line of the oscillation center of reducing lever 7 and the first bolt 8 and top shoe 9 contact points, the oscillation center that is reducing lever 7 is vertical with the glide direction of top shoe 9 with the line of the contact point of top shoe 9 with the first spherical structure 81, the contact point of the oscillation center of reducing lever 7 and the second bolt 13, the oscillation center that is reducing lever 7 becomes vertical with the line of the contact point of the second spherical structure 131 with sliding block 17 glide directions, the oscillation center of reducing lever 7 is vertical with the line of the oscillation center of fork 4 with the oscillation center of reducing lever 7 with the line of top shoe 9 contact points with the first spherical structure 81, such Structure Improvement the stability of reducing swing mechanism.
Therefore the extended line of guide plate 19 center lines as long as a cover reducing controlling organization just can roll the left and right spring that revolves, need not to join in addition the left-handed or dextrorotation coiling machine reducing swing mechanism of a cover by the center of cam 1 and the oscillation center of reducing lever 7.
5 the first screw holes 122 are arranged on the upper top spring key seat 121, and the position that wherein has 4 is corresponding respectively in pairs, forms two pairs; 5 the second screw holes 182 are arranged on the lower top spring key seat 181, and the position that wherein has 4 is corresponding respectively, forms two pairs.Select different the first right screw holes 122, upper top spring key seat 121 can be installed on the different directions, the second different right screw hole 182 of selecting, and lower top spring key seat 181 can be installed on the different directions, to adapt to the needs of different springs 20.
When cam 1 turned to high point from low spot, reducing lever 7 swung left, and when top shoe 9 moved down, extension spring 10 moved downward together in the drive, and elastic deformation occurs in upper extension spring 10; When sliding block 17 moves down, drive tension spring 14 and move downward together, elastic deformation occurs in tension spring 14, therefore, when cam 1 turned to low spot from the height point, under the effect of upper extension spring 10 and tension spring 14, reducing lever 7, top shoe 9 and sliding block 17 be in the opposite direction motion all.
Claims (10)
1. coiling machine reducing swing mechanism, comprise cam, fork, regulating block and slide block, cam is connected by rolling bearing with fork, fork is installed on the casing by the fork stake, it is characterized in that: also comprise the reducing lever, described reducing lever is for falling " people " character form structure, the pivot angle of reducing lever≤10 °, the bottom of reducing lever is installed in the lever stake, and lever pile center is vertical with the line at rolling bearing center with cam center with the line at rolling bearing center; Cam center, reducing lever swing are centered close on the center line of guide plate; The pivot angle of fork≤10 °, the middle part of reducing lever contacts with the second bolt, and the end that the second bolt contacts with the reducing lever is spherical structure, and the second bolt is installed on the fishplate bar, and the lower end of fishplate bar is equipped with sliding block, and the sliding block upper end is equipped with tension spring; The end of reducing lever is equipped with the first bolt, and the first bolt contacts with top shoe, and the end that the first bolt contacts with top shoe is spherical structure; The center line of the first bolt and the second bolt passes through respectively the center of upper top spring abutment, lower top spring abutment.
2. coiling machine reducing swing mechanism according to claim 1, it is characterized in that: described fork swings to a half of maximum pendulum angle, and the line of the oscillation center of reducing lever swing center and fork is positioned on fork and the plane that regulating block contacts.
3. coiling machine reducing swing mechanism according to claim 1 is characterized in that: described reducing lever swing is to a half of maximum pendulum angle, and the line of contact point is vertical with the top shoe glide direction on the oscillation center of reducing lever and the first bolt and the slide block.
4. coiling machine reducing swing mechanism according to claim 1, it is characterized in that: described reducing lever swing is to a half of maximum pendulum angle, and the line of the oscillation center of reducing lever and the second bolt contact point is vertical with the sliding block glide direction.
5. coiling machine reducing swing mechanism according to claim 1, it is characterized in that: described reducing lever swing is to a half of maximum pendulum angle, and the line of the oscillation center of reducing lever and the first bolt contact point on slide block is vertical with the line of the oscillation center of the oscillation center of reducing lever and fork.
6. coiling machine reducing swing mechanism according to claim 1, it is characterized in that: the position that described regulating block contacts with fork is cylindrical.
7. coiling machine reducing swing mechanism according to claim 1 is characterized in that: be evenly distributed with 5 the first screw holes on the spring abutment of described upper top.
8. coiling machine reducing swing mechanism according to claim 1 is characterized in that: be evenly distributed with 5 the second screw holes on the spring abutment of described lower top.
9. coiling machine reducing swing mechanism according to claim 7 is characterized in that: in described the first screw hole, the respectively in twos corresponding setting of 4 the first screw holes is arranged, form two pairs.
10. coiling machine reducing swing mechanism according to claim 8 is characterized in that: in described the second screw hole, the respectively in twos corresponding setting of 4 the second screw holes is arranged, form two pairs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220349771 CN202804026U (en) | 2012-07-19 | 2012-07-19 | Reducing swing mechanism for spring machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220349771 CN202804026U (en) | 2012-07-19 | 2012-07-19 | Reducing swing mechanism for spring machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202804026U true CN202804026U (en) | 2013-03-20 |
Family
ID=47862970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220349771 Expired - Fee Related CN202804026U (en) | 2012-07-19 | 2012-07-19 | Reducing swing mechanism for spring machines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202804026U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764831A (en) * | 2012-07-19 | 2012-11-07 | 绍兴市家度弹簧机械有限公司 | Variable diameter swinging mechanism of spring machine |
| CN105013976A (en) * | 2015-07-29 | 2015-11-04 | 浙江万能弹簧机械有限公司 | Metal forming robot |
-
2012
- 2012-07-19 CN CN 201220349771 patent/CN202804026U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764831A (en) * | 2012-07-19 | 2012-11-07 | 绍兴市家度弹簧机械有限公司 | Variable diameter swinging mechanism of spring machine |
| CN102764831B (en) * | 2012-07-19 | 2014-07-09 | 绍兴市家度弹簧机械有限公司 | Variable diameter swinging mechanism of spring machine |
| CN105013976A (en) * | 2015-07-29 | 2015-11-04 | 浙江万能弹簧机械有限公司 | Metal forming robot |
| CN105013976B (en) * | 2015-07-29 | 2017-07-28 | 浙江万能弹簧机械有限公司 | A kind of metal forming machine people |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20150719 |
|
| EXPY | Termination of patent right or utility model |