CN115140374A

CN115140374A - Cambered surface indexing cam mechanism for packaging mechanism

Info

Publication number: CN115140374A
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: 2022-10-04
Anticipated expiration: 2042-07-13
Also published as: CN115140374B

Abstract

The invention 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 indexing disc and rollers, wherein an adjusting ring is connected to the indexing disc 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 indexing disc, the driving mechanism comprises a threaded rod, the threaded rod is rotationally connected to the indexing disc, 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 indexing disc, the guide block is positioned in the guide groove, and the guide block is in sliding fit with the guide groove; when the cambered indexing cam mechanism is used, if the indexing disc and the cam can be installed at the allowed positions, the roller is separated from the cam, and the roller can be meshed with the cam by adjusting the position of the roller, so that convenience is brought to a user.

Description

Cambered surface indexing cam mechanism for packaging mechanism

Technical Field

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

Background

The cambered surface indexing cam mechanism enables the driven piece to do clearance indexing motion when the cam rotates. The mechanism can bear larger load at high speed, operates stably, has small noise and vibration, is widely applied to automatic machines such as multicolor printing machines, packaging machines and the like, and has incomparable superiority in the aspects of dynamic performance, bearing capacity, indexing precision and the like compared with the traditional intermittent indexing mechanism, so that the mechanism is known as an optimal intermittent transmission mechanism and has wide market prospect.

The cambered surface indexing cam mechanism on the market usually comprises a cam, an indexing disc and rollers, wherein the axis of the indexing disc and the axis of the cam are mutually and vertically staggered, the cam is an arc revolving body with a convex ridge-shaped outline, and the indexing disc is provided with a plurality of rollers which are uniformly distributed along the circumferential direction. 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 rest section wheel pit, two rollers on the turntable are clamped on the circular ring surface ridge of the cam in a spanning mode, and the turntable stops rotating.

Although such a cambered 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 used, if the roller and the cam are separated from each other at a position where the indexing disc and the cam can be allowed to be mounted, and the roller and the cam cannot be engaged with each other, the indexing disc and the cam are difficult to use, which brings inconvenience to a user.

Disclosure of Invention

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

The technical purpose of the invention is realized by the following technical scheme:

the cambered surface indexing cam mechanism for the packaging mechanism comprises a cam, an indexing disc and rollers, wherein the indexing disc is connected with an adjusting ring in a sliding mode, the rollers are arranged on the adjusting ring and are uniformly distributed along the circumferential edge of the adjusting ring, and the indexing disc is connected with a driving mechanism for driving the adjusting ring to move.

Further setting: the driving mechanism comprises a threaded rod, the threaded rod is rotatably connected to the dividing 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 dividing plate, the guide block is located in the guide groove, and the guide block is in sliding fit with the guide groove.

Further setting: the indexing disc is connected with a driving piece, the driving piece comprises a driving gear and a toothed ring, the driving gear is arranged on the threaded rod, the toothed ring is rotatably connected onto the indexing disc, the central line of the toothed ring coincides with the central line of the indexing disc, and the toothed ring is meshed with the driving gear.

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

Further setting: the supporting rod and the threaded rod are provided with limiting pieces, the limiting pieces are located on two sides of the toothed ring, and the limiting pieces abut against ring teeth on the toothed ring.

Further setting: the index 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 located in the annular groove.

Further setting: the tooth ring is connected with a positioning ring in a sliding mode, the positioning ring is connected with a positioning rod, a positioning hole is formed in the side wall of the end portion of the annular groove, and the positioning rod is inserted into the positioning hole.

Further setting: be equipped with the magnet piece in the locating hole, the locating lever is adsorbed by the magnet piece.

Further setting: sliding connection has the slide bar on the ring gear, and the one end of slide bar is connected with the locating piece, and the holding ring is connected to the other end, and the cover is equipped with the spring on the slide bar, and the ring gear is connected to the one end of spring, and the holding ring is connected to the other end, and when the spring was in natural state, the locating lever was inserted and is established in the locating hole.

In conclusion, the invention has the following beneficial effects:

1. after graduated disk and cam appear installing, the roller is unable during with cam meshing's phenomenon, remove the holding ring, pull out the locating lever from the locating hole, the holding ring rotates, the ring gear takes place to rotate, the ring gear drives drive gear at the rotation in-process and rotates, drive gear drives the threaded rod and rotates, the threaded rod drives the adjustable ring rotation at the rotation in-process, the roller moves along with adjusting the pole, thereby change the relative position between roller and the cam, make the roller can with cam meshing, bring the convenience for the user, the mounted position requirement of graduated disk is also looser, further bring the convenience for the user.

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

Drawings

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

FIG. 2 is a schematic structural diagram for showing the connection relationship between the indexing disk and the rollers in the embodiment;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a schematic structural diagram for showing the positional relationship between the positioning ring and the indexing disk 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 bar; 12. a support gear; 13. a limiting sheet; 14. a positioning ring; 15. a slide bar; 16. positioning blocks; 17. a spring; 18. positioning a rod; 19. positioning holes; 20. a magnet block.

Detailed Description

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

The embodiment is as follows: a cambered surface indexing cam mechanism for a packaging mechanism is shown in figure 1 and comprises a cam 1, an indexing disc 2 and rollers 3.

Be equipped with ring channel 4 on the graduated disk 2 lateral wall, sliding connection has adjusting ring 5 on graduated disk 2, adjusting ring 5 cover is established on 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 the guide block 6 that equals with guide way 7 number on adjusting ring 5, guide way 7 is the 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 to the direction of removal of adjusting ring 5, avoid adjusting ring 5 to rotate at the removal in-process, roller 3 sets up on adjusting ring 5, roller 3 is along adjusting ring 5 circumference edge evenly distributed, the length of graduated disk 2 is greater than its cross section diameter, thereby make the control range of roller 3 and adjusting ring 5 position more extensive.

As shown in fig. 2 and 3, a drive mechanism is connected to the dividing disc 2 and can be used to drive the adjusting ring 5 to move, the drive mechanism comprises a threaded rod 8, the threaded rod 8 is rotatably connected to the dividing disc 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 fig. 3, a driving member is connected to the dividing plate 2, the driving member includes a driving gear 9 and a toothed ring 10, the driving gear 9 is disposed on a threaded rod 8, the toothed ring 10 is rotatably connected to the dividing plate 2, a central line of the toothed ring 10 coincides with a central line of the dividing plate 2, the toothed ring 10 is engaged with the driving gear 9, three support rods 11 are connected to the dividing plate 2, the adjusting ring 5 is penetrated by the support rods 11 and is in sliding fit with the support rods 11, the three support rods 11 and the threaded rod 8 are in an annular array with the central line of the adjusting ring 5 as a center, a support gear 12 is rotatably connected to the support rods 11, and the support gear 12 is engaged 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 abut 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 is rotatably connected with the supporting rod 11, 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 is matched with the driving gear 9 to be used, the toothed ring 10 can be better supported, the central deviation of the toothed ring 10 in the rotating process is avoided, the limiting sheet 13 can limit the toothed ring 10, the toothed ring 10 is prevented from moving along the axis direction, and the toothed ring 10 is separated from the driving gear 9.

As shown in fig. 2 and 4, a positioning ring 14 and a sliding rod 15 are slidably connected to the toothed ring 10, the positioning ring 14 is located in the annular groove 4, the sliding rod 15 slides through the toothed ring 10, the sliding rod 15 is uniformly distributed along the circumferential direction of the toothed 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 toothed ring 10, the other end of the spring 17 is connected with the positioning ring 14, a positioning rod 18 is connected to the positioning ring 14, a positioning hole 19 is formed in the side wall of the end portion of the annular groove 4, the positioning rod 18 is inserted into the positioning hole 19 when the spring 17 is in a natural state, 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.

During the use, after the cam 1 and the graduated disk 2 are installed, if the position of the roller 3 can not 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 can not limit the positioning rod 18 at the moment, 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 which are meshed with the toothed ring 10 to rotate in the rotating process, the supporting toothed ring 10 only plays a supporting role in the original place rotation, the toothed ring 10 is driven to rotate in the original place and drives the threaded rod 8 to rotate, the threaded rod 8 drives the adjusting rod to move along the length direction of the graduated disk 2 in the rotating process, so as to adjust the position of the roller 3, and enable the roller 3 to be meshed with the cam 1 smoothly.

The above-mentioned embodiments are merely illustrative and not restrictive, and those skilled in the art can modify the embodiments without inventive contribution as required after reading this specification, but only fall within the scope of the claims of the present invention.

Claims

1. A cambered surface indexing cam mechanism for a packaging mechanism comprises a cam (1), an indexing disc (2) and rollers (3), and is characterized in that: the dividing plate is characterized in that the dividing plate (2) is connected with an adjusting ring (5) in a sliding mode, the rollers (3) are arranged on the adjusting ring (5), the rollers (3) are evenly distributed along the circumferential edge of the adjusting ring (5), and the dividing plate (2) is connected with a driving mechanism used for driving the adjusting ring (5) to move.

2. The cambered surface indexing cam mechanism for a packaging mechanism of claim 1, wherein: actuating mechanism includes threaded rod (8), and threaded rod (8) rotate to be connected on graduated disk (2), and threaded rod (8) run through adjustable ring (5) and with adjustable ring (5) threaded connection, are equipped with guide block (6) on adjustable ring (5), are equipped with guide way (7) on graduated disk (2), and guide block (6) are in guide way (7), guide block (6) and guide way (7) sliding fit.

3. The globoidal indexing cam mechanism for a packaging machine of claim 2, wherein: be connected with the driving piece on graduated disk (2), the driving piece includes drive gear (9) and ring gear (10), and drive gear (9) set up on threaded rod (8), and ring gear (10) rotate to be connected on graduated disk (2), and ring gear (10) central line and graduated disk (2) central line coincidence, ring gear (10) and drive gear (9) meshing.

4. The cambered surface indexing cam mechanism for a packaging mechanism of claim 3, wherein: be connected with bracing piece (11) on graduated disk (2), adjustable ring (5) run through by bracing piece (11) and with bracing piece (11) sliding fit, bracing piece (11) and threaded rod (8) use the central line of adjustable ring (5) to be the annular array as the center, rotate on bracing piece (11) and be connected with support gear (12), support gear (12) and ring gear (10) meshing.

5. The cambered surface indexing cam mechanism for a packaging mechanism of claim 4, wherein: the supporting rod (11) and the threaded rod (8) are provided with limiting pieces (13), the limiting pieces (13) are located on two sides of the toothed ring (10), and the limiting pieces (13) abut against ring teeth on the toothed ring (10).

6. The cambered surface indexing cam mechanism for a packaging mechanism of claim 3, wherein: be equipped with ring channel (4) on graduated disk (2), adjustable ring (5), threaded rod (8), bracing piece (11), drive gear (9), support gear (12) and ring gear (10) all are located ring channel (4).

7. The cambered surface indexing cam mechanism for a packaging mechanism of claim 6, wherein: the tooth ring (10) is connected with a positioning ring (14) in a sliding mode, the positioning ring (14) is connected with a positioning rod (18), the side wall of the end portion of the annular groove (4) is provided with a positioning hole (19), and the positioning rod (18) is inserted into the positioning hole (19).

8. The cambered surface indexing cam mechanism for a packaging mechanism of claim 7, wherein: magnet blocks (20) are arranged in the positioning holes (19), and the positioning rods (18) are adsorbed by the magnet blocks (20).

9. The globoidal indexing cam mechanism for a packaging machine of claim 7, wherein: sliding connection has slide bar (15) on ring gear (10), and the one end of slide bar (15) is connected with locating piece (16), and holding ring (14) is connected to the other end, and the cover is equipped with spring (17) on slide bar (15), and ring gear (10) is connected to the one end of spring (17), and holding ring (14) is connected to the other end, and when spring (17) was in the natural state, locating lever (18) were inserted and are established in locating hole (19).