CN211390305U - Press stroke adjusting mechanism - Google Patents
Press stroke adjusting mechanism Download PDFInfo
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- CN211390305U CN211390305U CN201922057000.6U CN201922057000U CN211390305U CN 211390305 U CN211390305 U CN 211390305U CN 201922057000 U CN201922057000 U CN 201922057000U CN 211390305 U CN211390305 U CN 211390305U
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- tensioning
- adjusting
- sleeve
- eccentric
- end cover
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Abstract
The utility model discloses a press stroke adjustment mechanism, including the bent axle, eccentric cover and adjusting collar all set up on the bent axle, the outside of adjusting collar is provided with the copper sheathing, copper sheathing fixed connection is in the frame, the tip of copper sheathing is provided with the end cover, be provided with the tensioning subassembly between adjusting collar and the end cover, the tensioning subassembly includes the tensioning dish, compression spring, locating lever and threaded rod, the tensioning dish passes through the locating lever and the threaded rod is connected on the end cover, be provided with the recess on the terminal surface of adjusting collar, the medial surface of tensioning dish passes through compression spring connecting groove. The utility model discloses a tensioning assembly can adjust the tensile force between end cover and the adjustment sleeve, and extension stroke adjustment mechanism's life through rotatory threaded rod, can drive the tensioning dish along locating lever horizontal migration, adjusts the interval between tensioning dish and the bent axle tip, and the tensioning dish supports the adjustment sleeve through compression spring, makes the adjustment sleeve support eccentric bushing, and it is rotatory to realize that the regulating spindle drives eccentric bushing.
Description
Technical Field
The utility model relates to a press stroke adjustment mechanism.
Background
On some large and medium-sized presses, in order to shorten the die replacement time and the downtime and improve the use efficiency and the production efficiency of the press, the press is generally provided with a stroke adjusting function, so that the ejector rod does not need to be replaced when the die is replaced, the ejecting distance of the ejector rod is controlled by adjusting the stroke, and the die is smoothly replaced.
The stroke adjusting mechanism of the pressure machine in the prior art generally adopts pneumatic pushing or hydraulic pushing to adjust the sleeve, so that the adjusting sleeve is separated from the eccentric sleeve, and the other end of the adjusting sleeve adopts a compression spring.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a press stroke adjustment mechanism's technical scheme to the not enough and that prior art exists, can adjust the interval between eccentric cover and the adjustment sleeve through stroke adjusting part, thereby make the press stroke obtain adjusting, tensioning part can adjust the tensile force between end cover and the adjustment sleeve, extension stroke adjustment mechanism's life, through rotatory threaded rod, can drive the tensioning dish along locating lever horizontal migration, adjust the interval between tensioning dish and the bent axle tip, the tensioning dish supports the adjustment sleeve through compression spring, make the adjustment sleeve support the eccentric cover, it is rotatory to realize that the regulating spindle drives the eccentric cover, improve compression spring's tensile force.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a press stroke adjustment mechanism, includes bent axle, eccentric cover and adjusting collar, and eccentric cover and adjusting collar all set up on the bent axle, and the outside of adjusting collar is provided with the copper sheathing, and copper sheathing fixed connection is in the frame, and the tip of copper sheathing is provided with end cover, its characterized in that: a stroke adjusting assembly is arranged between the eccentric sleeve and the adjusting sleeve, a tensioning assembly is arranged between the adjusting sleeve and the end cover, the tensioning assembly comprises a tensioning disc, a compression spring, a positioning rod and a threaded rod, the tensioning disc is connected to the end cover through the positioning rod and the threaded rod, a groove is arranged on the end surface of the adjusting sleeve, and the inner side surface of the tensioning disc is connected with the groove through the compression spring; the distance between the eccentric sleeve and the adjusting sleeve can be adjusted through the stroke adjusting assembly, so that the stroke of the press machine is adjusted, the tensioning assembly can adjust the tensioning force between the end cover and the adjusting sleeve, the service life of the stroke adjusting mechanism is prolonged, the tensioning disc can be driven to horizontally move along the positioning rod through the rotary threaded rod, the distance between the tensioning disc and the end part of the crankshaft is adjusted, the tensioning disc supports the adjusting sleeve through the compression spring, the adjusting sleeve supports the eccentric sleeve, and the adjusting shaft drives the eccentric sleeve to rotate.
Further, the stroke adjusting assembly comprises an air cylinder, a piston rod and a boosting plate, the air cylinder is fixedly connected to the frame, the boosting plate is fixedly connected to the outer side of the adjusting sleeve, the air cylinder is connected with the boosting plate through the piston rod, after air is introduced into the air cylinder, the piston rod is pushed to move horizontally, the boosting plate is further driven to move horizontally, the adjusting sleeve is separated from the eccentric sleeve, and then the adjusting shaft is driven to be separated from the eccentric sleeve.
Further, be provided with screw hole and through-hole on the tensioning dish, through-hole evenly distributed is around the screw hole, locating lever and through-hole phase-match, threaded rod and screw hole phase-match, the screw hole is the blind hole, the stability and the reliability of being connected between locating lever and the tensioning dish have been improved, make the tensioning dish can be along locating lever horizontal migration, prevent that the tensioning dish from taking place to incline and influence each compression spring's elasticity size, shorten stroke adjustment mechanism's life, the screw hole is used for supporting the top of threaded rod, be convenient for promote the tensioning dish horizontal migration through the horizontal migration of threaded rod.
Furthermore, the adjusting sleeve is horizontally provided with an adjusting shaft, one end of the adjusting shaft is provided with a speed reducing wheel, the speed reducing wheel is located on the outer side of the end cover, the other end of the adjusting shaft is provided with a second gear ring, the outer side of one end, close to the adjusting sleeve, of the eccentric sleeve is provided with a first gear ring, the first gear ring is meshed with the second gear ring, the first gear ring is connected with an external speed reducing motor through the speed reducing wheel, the adjusting shaft is driven to rotate, and then the first gear ring is driven to rotate through the second gear ring, so that the eccentric sleeve.
Furthermore, the end face, close to the adjusting sleeve, of the eccentric sleeve is evenly provided with a buffering wear-resistant pad, and the buffering wear-resistant pad can reduce impact force between the adjusting sleeve and the eccentric sleeve and reduce abrasion.
The utility model discloses owing to adopted above-mentioned technical scheme, following beneficial effect has:
1. the distance between the eccentric sleeve and the adjusting sleeve can be adjusted through the stroke adjusting assembly, so that the stroke of the press machine is adjusted.
2. Tensioning assembly can adjust the tensile force between end cover and the adjusting collar, and extension stroke adjustment mechanism's life can drive the tensioning dish along locating lever horizontal migration through rotatory threaded rod, adjusts the interval between tensioning dish and the bent axle tip, and the tensioning dish supports the adjusting collar through compression spring, makes the adjusting collar support eccentric bushing, realizes that the regulating spindle drives eccentric bushing and rotates.
Description of the drawings:
the present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a schematic structural view of a stroke adjusting mechanism of a press machine according to the present invention;
FIG. 2 is a schematic structural view of an end face of the eccentric sleeve of the present invention;
fig. 3 is a schematic structural view of the middle tension disc of the present invention.
In the figure: 1-a crankshaft; 2-eccentric sleeve; 3-adjusting sleeve; 4-adjusting the shaft; 5-a speed reducing wheel; 6-a first gear ring; 7-a second gear ring; 8-cylinder; 9-a piston rod; 10-a boosting plate; 11-end cap; 12-a tension disc; 13-a groove; 14-a compression spring; 15-positioning rods; 16-a threaded rod; 17-a cushioning wear pad; 18-a via hole; 19-threaded hole.
Detailed Description
As shown in fig. 1 to 3, for the stroke adjusting mechanism of the press machine of the present invention, comprising a crankshaft 1, an eccentric sleeve 2 and an adjusting sleeve 3, the eccentric sleeve 2 and the adjusting sleeve 3 are both disposed on the crankshaft 1, a copper sleeve is disposed outside the adjusting sleeve 3, the copper sleeve is fixedly connected to a frame, an end cap 11 is disposed at an end of the copper sleeve, a stroke adjusting assembly is disposed between the eccentric sleeve 2 and the adjusting sleeve 3, the stroke adjusting assembly comprises a cylinder 8, a piston rod 9 and a boosting plate 10, the cylinder 8 is fixedly connected to the frame, the boosting plate 10 is fixedly connected to an outside of the adjusting sleeve 3, the cylinder 8 is connected to the boosting plate 10 through the piston rod 9, when gas is introduced into the cylinder 8, the piston rod 9 is pushed to move horizontally, the boosting plate 10 is further driven to move horizontally, the adjusting sleeve 3 is separated from the eccentric sleeve 2, the adjusting shaft 4 is further driven to separate from the eccentric sleeve 2, the distance between the eccentric sleeve 2 and the adjusting sleeve, thereby enabling the stroke of the press to be adjusted.
A tensioning assembly is arranged between the adjusting sleeve 3 and the end cover 11, the tensioning assembly comprises a tensioning disc 12, a compression spring 14, a positioning rod 15 and a threaded rod 16, the tensioning disc 12 is connected to the end cover 11 through the positioning rod 15 and the threaded rod 16, a groove 13 is arranged on the end surface of the adjusting sleeve 3, the inner side surface of the tensioning disc 12 is connected with the groove 13 through the compression spring 14, a threaded hole 19 and a through hole 18 are arranged on the tensioning disc 12, the through hole 18 is uniformly distributed around the threaded hole 19, the positioning rod 15 is matched with the through hole 18, the threaded rod 16 is matched with the threaded hole 19, and the threaded hole 19 is a blind hole, so that the stability and the reliability of connection between the positioning rod 15 and the tensioning disc 12 are improved, the tensioning disc 12 can horizontally move along the positioning rod 15, the situation that the elastic force of each compression spring 14 is influenced by the inclination of the tensioning disc, the tensioning disc 12 is pushed to move horizontally by the horizontal movement of the threaded rod 16, the tensioning assembly can adjust the tensioning force between the end cover 11 and the adjusting sleeve 3, the service life of the stroke adjusting mechanism is prolonged, the tensioning disc 12 can be driven to move horizontally along the positioning rod 15 by rotating the threaded rod 16, the distance between the tensioning disc 12 and the end part of the crankshaft 1 is adjusted, the tensioning disc 12 supports the adjusting sleeve 3 through the compression spring 14, the adjusting sleeve 3 supports the eccentric sleeve 2, and the adjusting shaft 4 drives the eccentric sleeve 2 to rotate.
Adjusting collar 3 is improved level and is provided with regulating spindle 4, the one end of regulating spindle 4 is provided with gear reducer 5, gear reducer 5 is located the outside of end cover 11, the other end of regulating spindle 4 is provided with second ring gear 7, eccentric sleeve 2 is provided with first ring gear 6 near the one end outside of adjusting collar 3, first ring gear 6 meshes with second ring gear 7 mutually, be connected with outside gear motor through gear reducer 5, it is rotatory to drive regulating spindle 4, and then it is rotatory to drive first ring gear 6 through second ring gear 7, make eccentric sleeve 2 along with synchronous revolution.
The end face, close to the adjusting sleeve 3, of the eccentric sleeve 2 is evenly provided with a buffering wear pad 17, and the buffering wear pad 17 can reduce impact force between the adjusting sleeve 3 and the eccentric sleeve 2 and reduce abrasion.
The utility model discloses when in actual use, earlier through rotating the threaded rod according to the requirement of design, with tensioning dish horizontal migration to the position of settlement, make the adjusting collar support with the terminal surface of eccentric cover under compression spring's effect, the second ring gear on the regulating spindle simultaneously and the first ring gear meshing on the eccentric cover, it is rotatory that the reducing gear drives the regulating spindle, and then drives eccentric cover synchronous revolution.
When the stroke needs to be adjusted, the air cylinder is started, the piston rod drives the boosting plate and the adjusting sleeve to move outwards, the compression spring is compressed, the first gear ring on the eccentric sleeve is disengaged from the second gear ring on the adjusting shaft, the crankshaft rotates to change, and therefore the stroke of the press machine is adjusted.
After the press machine is used for a long time, the elasticity of a compression spring on the stroke adjusting mechanism can be slowly degraded, the compression spring can continuously keep the tension of the adjusting sleeve by adjusting the threaded rod and moving the tensioning disc, and the service life of the stroke adjusting mechanism of the press machine is prolonged.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to achieve substantially the same technical effects are all covered by the scope of the present invention.
Claims (5)
1. The utility model provides a press stroke adjustment mechanism, includes bent axle, eccentric cover and adjusting collar, eccentric cover with the adjusting collar all sets up on the bent axle, the outside of adjusting collar is provided with the copper sheathing, copper sheathing fixed connection is in the frame, the tip of copper sheathing is provided with end cover, its characterized in that: the eccentric sleeve and be provided with stroke adjusting part between the adjusting collar, the adjusting collar with be provided with tensioning subassembly between the end cover, tensioning subassembly includes tensioning dish, compression spring, locating lever and threaded rod, the tensioning dish passes through the locating lever with the threaded rod is connected on the end cover, be provided with the recess on the terminal surface of adjusting collar, the medial surface of tensioning dish passes through compression spring connects the recess.
2. A press stroke adjustment mechanism according to claim 1, wherein: the stroke adjusting assembly comprises an air cylinder, a piston rod and a boosting plate, the air cylinder is fixedly connected to the rack, the boosting plate is fixedly connected to the outer side of the adjusting sleeve, and the air cylinder is connected to the boosting plate through the piston rod.
3. A press stroke adjustment mechanism according to claim 1, wherein: the tensioning disc is provided with threaded holes and through holes, the through holes are evenly distributed on the periphery of the threaded holes, the positioning rods are matched with the through holes, the threaded rods are matched with the threaded holes, and the threaded holes are blind holes.
4. A press stroke adjustment mechanism according to claim 1, wherein: the level is provided with the regulating spindle on the regulating collar, the one end of regulating spindle is provided with the gear reducer, the gear reducer is located the outside of end cover, the other end of regulating spindle is provided with the second ring gear, eccentric cover is close to the one end outside of regulating collar is provided with first ring gear, first ring gear with the second ring gear meshes mutually.
5. A press stroke adjustment mechanism according to claim 1, wherein: and the end surface of the eccentric sleeve, which is close to the adjusting sleeve, is uniformly provided with a buffering wear-resistant pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922057000.6U CN211390305U (en) | 2019-11-25 | 2019-11-25 | Press stroke adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922057000.6U CN211390305U (en) | 2019-11-25 | 2019-11-25 | Press stroke adjusting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211390305U true CN211390305U (en) | 2020-09-01 |
Family
ID=72229106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922057000.6U Active CN211390305U (en) | 2019-11-25 | 2019-11-25 | Press stroke adjusting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211390305U (en) |
-
2019
- 2019-11-25 CN CN201922057000.6U patent/CN211390305U/en active Active
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