CN115140374B

CN115140374B - Cambered surface indexing cam mechanism for packaging mechanism

Info

Publication number: CN115140374B
Application number: CN202210828564.9A
Authority: CN
Inventors: 张文光; 袁静云; 刘辑; 裴圣华; 姜波波
Original assignee: Jian College
Current assignee: Jian College
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2023-08-15
Anticipated expiration: 2042-07-13
Also published as: CN115140374A

Abstract

The application relates to the field of cambered surface indexing cam mechanisms, in particular to a cambered surface indexing cam mechanism for a packaging mechanism, which comprises a cam, an index plate and rollers, wherein an adjusting ring is connected to the index plate in a sliding manner, the rollers are arranged on the adjusting ring, the rollers are uniformly distributed along the circumferential edge of the adjusting ring, a driving mechanism for driving the adjusting ring to move is connected to the index plate, the driving mechanism comprises a threaded rod, the threaded rod is rotationally connected to the index plate, the threaded rod penetrates through the adjusting ring and is in threaded connection with the adjusting ring, a guide block is arranged on the adjusting ring, a guide groove is arranged on the index plate, the guide block is positioned in the guide groove, and the guide block is in sliding fit with the guide groove; the cambered surface indexing cam mechanism can adjust the position of the roller, and when the cambered surface indexing cam mechanism is used, if the position where the indexing disc and the cam can be allowed to be installed enables the roller to be separated from the cam, the roller can be meshed with the cam by adjusting the position of the roller, and convenience is brought to a user.

Description

Cambered surface indexing cam mechanism for packaging mechanism

Technical Field

The application relates to the field of cambered surface indexing cam mechanisms, in particular to a cambered surface indexing cam mechanism for a packaging mechanism.

Background

And the cambered surface indexing cam mechanism enables the driven piece to perform clearance indexing movement when the cam rotates. The mechanism can bear larger load at high speed, runs stably, has very small noise and vibration, is widely applied to automatic machines such as multicolor printers, packaging machines and the like, has incomparable superiority in the aspects of dynamics performance, bearing capacity, indexing accuracy and the like compared with the traditional intermittent indexing mechanism, is praised as an optimal intermittent transmission mechanism, and has wide market prospect.

The cambered surface indexing cam mechanism on the market generally comprises a cam, an index plate and rollers, wherein the axis of the index plate is mutually perpendicular to the axis of the cam in a staggered mode, the cam is a circular arc revolving body with a ridge-shaped outline, and a plurality of rollers which are uniformly distributed along the circumferential direction are arranged on the index plate. When the cam rotates, the profile of the indexing section pushes the roller to index and index the turntable; when the cam rotates to the idle section wheel nest, two rollers on the turntable ride on the circular surface ridge of the cam to stop the rotation of the turntable.

Although the arc surface indexing mechanism is widely used, the relative position between the roller on the indexing disc and the indexing disc cannot be adjusted, and when the indexing disc and the cam are allowed to be installed at the position which enables the roller to be separated from the cam and the roller to be meshed with the cam, the indexing mechanism is difficult to use and brings inconvenience to a user.

Disclosure of Invention

In order to solve the problems, the application provides a cambered indexing cam mechanism for a packaging mechanism.

The technical aim of the application is realized by the following technical scheme:

the utility model provides a cambered surface graduation cam mechanism for packagine machine constructs, includes cam, graduated disk and roller, sliding connection has the adjusting ring on the graduated disk, and the roller setting is on the adjusting ring, and the roller is along adjusting ring circumference edge evenly distributed, is connected with the actuating mechanism who is used for driving the adjusting ring and removes on the graduated disk.

Further set up: the driving mechanism comprises a threaded rod, the threaded rod is rotationally connected to the index plate, the threaded rod penetrates through the adjusting ring and is in threaded connection with the adjusting ring, a guide block is arranged on the adjusting ring, a guide groove is formed in the index plate, the guide block is located in the guide groove, and the guide block is in sliding fit with the guide groove.

Further set up: the driving piece is connected to the dividing plate and comprises a driving gear and a toothed ring, the driving gear is arranged on the threaded rod, the toothed ring is rotationally connected to the dividing plate, the central line of the toothed ring coincides with that of the dividing plate, and the toothed ring is meshed with the driving gear.

Further set up: the supporting rod is connected to the index plate, the adjusting ring is penetrated by the supporting rod and is in sliding fit with the supporting rod, the supporting rod and the threaded rod are in an annular array with the central line of the adjusting ring as the center, the supporting rod is rotatably connected with a supporting gear, and the supporting gear is meshed with the toothed ring.

Further set up: and the support rods and the threaded rods are provided with limiting pieces, the limiting pieces are positioned on two sides of the toothed ring and abut against ring teeth on the toothed ring.

Further set up: the dividing plate is provided with an annular groove, and the adjusting ring, the threaded rod, the supporting rod, the driving gear, the supporting gear and the toothed ring are all positioned in the annular groove.

Further set up: the gear ring is connected with a positioning ring in a sliding manner, the positioning ring is connected with a positioning rod, a positioning hole is formed in the side wall of the end part of the annular groove, and the positioning rod is inserted into the positioning hole.

Further set up: and a magnet block is arranged in the positioning hole, and the positioning rod is adsorbed by the magnet block.

Further set up: the gear ring is connected with a sliding rod in a sliding manner, one end of the sliding rod is connected with a positioning block, the other end of the sliding rod is connected with a positioning ring, a spring is sleeved on the sliding rod, one end of the spring is connected with the gear ring, the other end of the spring is connected with the positioning ring, and when the spring is in a natural state, the positioning rod is inserted into the positioning hole.

In summary, the application has the following beneficial effects:

1. when the phenomenon that the roller cannot be meshed with the cam after the dividing plate and the cam are installed occurs, the positioning ring is moved, the positioning rod is pulled out from the positioning hole, the positioning ring is rotated, the toothed ring rotates, the driving gear is driven to rotate in the rotating process, the driving gear drives the threaded rod to rotate, the threaded rod drives the adjusting ring to rotate in the rotating process, the roller moves along with the adjusting rod, so that the relative position between the roller and the cam is changed, the roller can be meshed with the cam, convenience is brought to a user, the requirement on the installation position of the dividing plate is also more relaxed, and convenience is further brought to the user.

2. The adjusting ring, the threaded rod, the supporting rod, the driving gear, the supporting gear and the toothed ring are all positioned in the annular groove, so that space can be saved, and the space can be effectively utilized.

Drawings

FIG. 1 is a schematic diagram of a configuration for embodying an indexing cam mechanism of cambered surface in an embodiment;

FIG. 2 is a schematic diagram of a structure for embodying the connection relationship between the index plate and the roller in the embodiment;

fig. 3 is an enlarged view of a portion a of fig. 2;

fig. 4 is a schematic structural view showing the positional relationship between the positioning ring and the index plate in the embodiment.

In the figure, 1, a cam; 2. an index plate; 3. a roller; 4. an annular groove; 5. an adjusting ring; 6. a guide block; 7. a guide groove; 8. a threaded rod; 9. a drive gear; 10. a toothed ring; 11. a support rod; 12. a support gear; 13. a limiting piece; 14. a positioning ring; 15. a sliding rod; 16. a positioning block; 17. a spring; 18. a positioning rod; 19. positioning holes; 20. a magnet block.

Detailed Description

The present application will be described in further detail with reference to the accompanying drawings.

Examples: a cambered indexing cam mechanism for a packaging mechanism, as shown in figure 1, comprises a cam 1, an indexing disc 2 and a roller 3.

Be equipped with ring channel 4 on the graduated disk 2 lateral wall, sliding connection has adjusting ring 5 on the graduated disk 2, adjusting ring 5 cover is established on the graduated disk 2 and is located ring channel 4, be equipped with a plurality of guide way 7 on the ring channel 4 lateral wall, be connected with on the adjusting ring 5 with the guide block 6 that guide way 7 number equals, the guide way 7 is annular array with the central line of ring channel 4 as the center, guide block 6 is in guide way 7 and with guide way 7 sliding fit, when adjusting ring 5 takes place to remove, guide block 6 slides along guide way 7, thereby can lead the direction of movement of adjusting ring 5, avoid adjusting ring 5 to take place to rotate at the removal in-process, roller 3 sets up on adjusting ring 5, roller 3 evenly distributed along adjusting ring 5 circumference edge, the length of graduated disk 2 is greater than its cross section diameter, thereby make the accommodation of roller 3 and adjusting ring 5 position more extensive.

As shown in fig. 2 and 3, a driving mechanism is connected to the index plate 2, the driving mechanism can be used for driving the adjusting ring 5 to move, the driving mechanism comprises a threaded rod 8, the threaded rod 8 is rotatably connected to the index plate 2, the threaded rod 8 penetrates through the adjusting ring 5 and is in threaded connection with the adjusting ring 5, and the threaded rod 8 is located in the annular groove 4.

As shown in fig. 2 and 3, a driving part is connected to the dividing plate 2, the driving part comprises a driving gear 9 and a toothed ring 10, the driving gear 9 is arranged on a threaded rod 8, the toothed ring 10 is rotationally connected to the dividing plate 2, the central line of the toothed ring 10 coincides with that of the dividing plate 2, the toothed ring 10 is meshed with the driving gear 9, three supporting rods 11 are connected to the dividing plate 2, the adjusting ring 5 is penetrated by the supporting rods 11 and is in sliding fit with the supporting rods 11, the three supporting rods 11 and the threaded rod 8 are in annular array with the central line of the adjusting ring 5 as the center, a supporting gear 12 is rotationally connected to the supporting rods 11, and the supporting gear 12 is meshed with the toothed ring 10. The supporting rod 11 and the threaded rod 8 are connected with limiting pieces 13, the limiting pieces 13 are located on two sides of the toothed ring 10, the limiting pieces 13 are abutted against ring teeth on the toothed ring 10, and the supporting rod 11, the driving gear 9, the limiting pieces 13, the supporting gear 12 and the toothed ring 10 are located in the annular groove 4.

When the toothed ring 10 rotates, the toothed ring 10 drives the driving gear 9 and the supporting gear 12 to rotate, the driving gear 9 drives the threaded rod 8 to rotate in the rotating process, the threaded rod drives the adjusting ring 5 to rotate, and the supporting gear 12 and the supporting rod 11 are rotationally connected, so that the supporting rod 11 cannot be influenced by the supporting gear 12 in the rotating process of the supporting gear 12, the supporting gear 12 and the driving gear 9 are matched for use, the toothed ring 10 can be better supported, the central offset of the toothed ring 10 in the rotating process is avoided, the limiting piece 13 can limit the toothed ring 10, and the toothed ring 10 is prevented from moving along the axis direction of the toothed ring 10, so that the toothed ring 10 is separated from the driving gear 9.

As shown in fig. 2 and 4, the gear ring 10 is slidably connected with a positioning ring 14 and a sliding rod 15, the positioning ring 14 is located in the annular groove 4, the sliding rod 15 slidably penetrates through the gear ring 10, the sliding rod 15 is uniformly distributed along the circumferential direction of the gear ring 10, one end of the sliding rod 15 is connected with a positioning block 16, the other end of the sliding rod is connected with the positioning ring 14, a spring 17 is sleeved on the sliding rod 15, one end of the spring 17 is connected with the gear ring 10, the other end of the spring 17 is connected with the positioning ring 14, a positioning rod 18 is connected on the positioning ring 14, a positioning hole 19 is formed in the side wall of the end part of the annular groove 4, when the spring 17 is in a natural state, the positioning rod 18 is inserted in the positioning hole 19, a magnet block 20 is arranged in the positioning hole 19, the positioning rod 18 is an iron rod, and the positioning rod 18 is adsorbed by the magnet block 20.

When the cam 1 and the index plate 2 are used, after the cam 1 and the index plate 2 are installed, if the position of the roller 3 cannot be meshed with the cam 1, the positioning ring 14 is pulled, the sliding rod 15 slides, the spring 17 is compressed, the positioning rod 18 is pulled out from the positioning hole 19, the positioning rod 18 is separated from the magnet block 20, the positioning hole 19 cannot limit the positioning rod 18, then the positioning ring 14 is rotated, the positioning ring 14 drives the toothed ring 10 to rotate through the sliding rod 15, the toothed ring 10 drives the driving gear 9 and the supporting gear 12 meshed with the toothed ring 10 to rotate in the rotating process, the supporting toothed ring 10 only plays a supporting role in the in-situ rotation, the toothed ring 10 is driven to rotate and the threaded rod 8 is driven to rotate, the threaded rod 8 drives the adjusting rod to move along the length direction of the index plate 2 in the rotating process, and therefore the position of the roller 3 is adjusted, and the roller 3 and the cam 1 can be smoothly meshed.

The above-described embodiments are provided for illustration only and not for limitation of the present application, and modifications may be made to the embodiments without creative contribution by those skilled in the art after reading the present specification, as long as they are protected by patent laws within the scope of claims of the present application.

Claims

1. The utility model provides a cambered surface graduation cam mechanism for packagine machine constructs, includes cam (1), graduated disk (2) and roller (3), its characterized in that: the adjustable support rod is characterized in that an adjusting ring (5) is slidably connected to the dividing plate (2), rollers (3) are arranged on the adjusting ring (5), the rollers (3) are evenly distributed along the circumferential edge of the adjusting ring (5), a driving mechanism for driving the adjusting ring (5) to move is connected to the dividing plate (2), the driving mechanism comprises a threaded rod (8), the threaded rod (8) is rotatably connected to the dividing plate (2), the threaded rod (8) penetrates through the adjusting ring (5) and is in threaded connection with the adjusting ring (5), a guide block (6) is arranged on the adjusting ring (5), a guide groove (7) is formed in the dividing plate (2), the guide block (6) is in the guide groove (7) and is in sliding fit with the guide groove (7), a driving piece is connected to the dividing plate (2), the driving piece comprises a driving gear (9) and a toothed ring (10), the driving gear (9) is arranged on the threaded rod (8), the toothed ring (10) is rotatably connected to the dividing plate (2), the central line of the toothed ring (10) coincides with the dividing plate (2), the central line of the dividing plate (2) is meshed with the supporting rod (11) in a sliding manner, the supporting rod (11) is meshed with the dividing plate (11), bracing piece (11) and threaded rod (8) are annular array with the central line of adjusting ring (5) as the center, rotate on bracing piece (11) and are connected with support gear (12), support gear (12) and ring gear (10) meshing, be equipped with ring channel (4) on graduated disk (2), adjusting ring (5), threaded rod (8), bracing piece (11), drive gear (9), support gear (12) and ring gear (10) all are located ring channel (4), sliding connection has holding ring (14) on ring gear (10), is connected with locating lever (18) on holding ring (14), is equipped with locating hole (19) on ring channel (4) tip lateral wall, and holding rod (18) are inserted and are established in locating hole (19).

2. A cambered indexing cam mechanism for a packaging mechanism as claimed in claim 1 wherein: the support rod (11) and the threaded rod (8) are provided with limiting pieces (13), the limiting pieces (13) are positioned on two sides of the toothed ring (10), and the limiting pieces (13) are abutted against ring teeth on the toothed ring (10).

3. A cambered indexing cam mechanism for a packaging mechanism as claimed in claim 1 wherein: a magnet block (20) is arranged in the positioning hole (19), and the positioning rod (18) is adsorbed by the magnet block (20).

4. A cambered indexing cam mechanism for a packaging mechanism as claimed in claim 3, wherein: the gear ring (10) is connected with a sliding rod (15) in a sliding manner, one end of the sliding rod (15) is connected with a positioning block (16), the other end of the sliding rod is connected with a positioning ring (14), a spring (17) is sleeved on the sliding rod (15), one end of the spring (17) is connected with the gear ring (10), the other end of the spring is connected with the positioning ring (14), and when the spring (17) is in a natural state, the positioning rod (18) is inserted into the positioning hole (19).