CN214779205U

CN214779205U - Automatic change cam moment-changing balance mechanism

Info

Publication number: CN214779205U
Application number: CN202023275804.2U
Authority: CN
Inventors: 杨震; 唐仙华
Original assignee: Suzhou Longcheng Electronic Equipment Co ltd
Current assignee: Suzhou Longcheng Electronic Equipment Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-11-19
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses an automatic change cam moment-changing balance mechanism, include: a substrate; a driving unit fixed on one side of the substrate along a first direction and capable of moving along a vertical direction; the connecting plate is in transmission connection with the driving unit, at least one sliding groove which forms an included angle of not 0 degrees or 180 degrees with the first direction is formed in the connecting plate along the first direction, a cam follower capable of rolling along the inclination direction of the sliding groove is correspondingly arranged in the sliding groove, and the cam follower is fixed along the second direction; the sucker group is arranged below the substrate and fixedly connected with one end, far away from the sliding groove, of the cam follower, and the sucker group can be in sliding connection with first guide rails fixed at two ends of the substrate along a first direction. The utility model discloses at least, include following advantage: this balance mechanism simple structure through the mode that adopts spout and cam follower to combine, and this mechanism converts equidistant moment of change motion into, has improved and has put efficiency and degree of accuracy, can press from both sides to get to the product of difference and put, has better commonality.

Description

Automatic change cam moment-changing balance mechanism

Technical Field

The utility model relates to a work piece balance technical field, specificly be an automatic change cam moment of change balance mechanism.

Background

At present, in the automatic production process of products, the products need to be placed in the processing process or after the products are processed, so that the products are arranged according to preset placing positions, and workers can take or store the products conveniently. In the prior art, the products are usually sucked and placed in sequence through a single suction nozzle or multiple suction nozzles, so that the placing efficiency and accuracy of the products are greatly reduced, and the placing period of the products is prolonged; and when placing different products, need change the pendulum and put the mechanism, greatly increased manufacturing cost, be not convenient for the workman to operate.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect among the prior art, the embodiment of the utility model provides an automatic change cam moment-changing balance mechanism, it is used for solving the product and puts the problem that inefficiency, manufacturing cost are high.

The embodiment of the application discloses an automatic cam torque-changing swinging plate mechanism which is simple in structure, a motor is adopted to drive a U-shaped sliding groove, cam followers are arranged in the U-shaped sliding groove, the displacement increment of each cam follower is consistent, so that a sucker group is driven to move, the mechanism is converted into equidistant torque-changing movement, and the placing efficiency and the placing accuracy of products are greatly improved; and the products at different intervals can be clamped and placed by only adjusting the displacement of the cam follower for different products, the mechanism does not need to be replaced, the production cost is reduced, and the universality is better. Wherein, an automatic change cam moment-changing wobble plate mechanism includes:

a substrate;

the driving unit is fixed on one side of the substrate along the first direction and can move along the vertical direction;

the connecting plate is arranged below the base plate and is in transmission connection with the driving unit, at least one sliding groove which forms an included angle of not 0 degrees or 180 degrees with the first direction is formed in the connecting plate along the first direction, a cam follower which can roll along the inclined direction of the sliding groove is correspondingly arranged in the sliding groove, and the cam follower is fixed along the second direction;

the sucker group is arranged below the base plate and fixedly connected with one end, far away from the sliding groove, of the cam follower, and can be in sliding connection with first guide rails fixed at two ends of the base plate along a first direction so as to change the distance between the sucker groups along the first direction;

one sucker group is correspondingly connected with one cam follower, and the first direction and the second direction are perpendicular to each other.

Furthermore, the driving unit is arranged in the middle of the substrate and comprises a lead screw motor fixed on the substrate, a lead screw is connected to the lower portion of the lead screw motor in a transmission mode, a nut is sleeved outside the lead screw, and the lead screw motor can drive the nut to move in the vertical direction.

Furthermore, the outside of nut is equipped with U type connecting plate, the both sides of nut along first direction respectively with the both sides fixed connection of the inside in U type groove, the U type connecting plate is kept away from the both sides of nut respectively with connecting plate fixed connection.

Furthermore, each connecting plate is provided with a plurality of chutes with different gradients, the chutes are U-shaped, the heights of the chutes are the same, the middle of each chute is in a long strip shape, and two ends of each long strip-shaped groove are respectively provided with a semicircular groove with the same radius.

Furthermore, the inclined directions of the sliding grooves on each connecting plate are consistent, and the inclined directions of the sliding grooves on two adjacent connecting plates are opposite.

Furthermore, one side, far away from the lead screw motor, of each connecting plate is provided with a linear sliding groove, and the linear sliding grooves can be connected with sliding rails arranged at two ends of the base plate in a sliding mode along the vertical direction.

Furthermore, a plurality of sucker groups are arranged below the substrate, each sucker group comprises sliders arranged below the substrate at intervals in the vertical direction, and a vacuum sucker with a downward suction nozzle is fixedly connected to one side, far away from the cam follower, of the lower portion of each slider.

Furthermore, one side of the sliding block, which is far away from the vacuum chuck, is fixedly connected with a clamping groove, and the other side of the clamping groove is fixedly connected with one end, which is far away from the sliding groove, of the cam follower.

Furthermore, a first through hole correspondingly penetrates through the upper part of each sliding block, and the first guide rail is in sliding connection with the first through hole.

Furthermore, a second through hole correspondingly penetrates through the lower part of each sliding block, and a second guide rail which is arranged in parallel with the first guide rail and fixed at two ends of the substrate is connected in the second through hole in a sliding mode.

The utility model has the advantages as follows:

the swinging plate mechanism is simple in structure, the motor is adopted to drive the U-shaped sliding groove, the cam followers are arranged in the U-shaped sliding groove, the displacement increment of each cam follower is consistent, so that the sucker groups are driven to move, the distance between the sucker groups is changed, the mechanism is converted into equidistant variable-torque motion, and the placing efficiency and the placing accuracy of products are greatly improved; and the products at different intervals can be clamped and placed by only adjusting the displacement of the cam follower for different products, the mechanism does not need to be replaced, the production cost is reduced, and the universality is better.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a first view angle of an automatic cam torque-variable wobble plate mechanism according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a second view angle of the automatic cam torque-converting wobble plate mechanism in the embodiment of the present invention;

fig. 3 is a schematic structural diagram of an automatic cam torque-conversion wobble plate mechanism in an embodiment of the present invention without a connecting plate.

Reference numerals of the above figures: 1. a substrate; 2. a connecting plate; 3. a chute; 4. a cam follower; 5. a sucker group; 6. a first guide rail; 7. a screw motor; 8. a screw rod; 9. a nut; 10. a U-shaped connecting plate; 11. a slide rail; 12. a linear chute; 13. a slider; 14. a vacuum chuck; 15. a card slot; 16. a first through hole; 17. a first guide rail; 18. a second through hole; 19. a second guide rail.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The automatic cam torque-converting swinging plate mechanism is simple in structure, the motor is adopted to drive the U-shaped sliding groove, the cam followers are arranged in the U-shaped sliding groove, the displacement increment of each cam follower is consistent, so that the sucker group is driven to move, the mechanism is converted into equidistant torque-converting motion, and the placing efficiency and the placing accuracy of products are greatly improved; and the products at different intervals can be clamped and placed by only adjusting the displacement of the cam follower for different products, the mechanism does not need to be replaced, the production cost is reduced, and the universality is better.

The automatic cam torque-conversion wobble plate mechanism comprises: a substrate 1;

a driving unit fixed on one side of the substrate 1 along a first direction and capable of moving along a vertical direction;

the connecting plate 2 is arranged below the base plate 1 and is in transmission connection with the driving unit, at least one sliding chute 3 which forms an included angle of not 0 degrees or 180 degrees with the first direction is formed in the connecting plate 2 along the first direction, a cam follower 4 which can roll along the inclined direction of the sliding chute 3 is correspondingly arranged in the sliding chute 3, and the cam follower 4 is fixed along the second direction;

the sucker group 5 is arranged below the base plate 1 and fixedly connected with one end, far away from the sliding groove 3, of the cam follower 4, and the sucker group 5 can be in sliding connection with first guide rails 17 fixed at two ends of the base plate 1 along a first direction so as to change the distance between the sucker groups 5 along the first direction;

wherein, one sucker group 5 is correspondingly connected with one cam follower 4, and the first direction and the second direction are mutually vertical.

With the adoption of the structure, a worker starts the motor 7 of the screw rod 8, and the motor 7 of the screw rod 8 drives the nut 9 sleeved at the bottom of the motor 7 of the screw rod 8 to move up and down along the vertical direction by combining the structure shown in the figure 1, the figure 2 and the figure 3. The nut 9 drives the connecting plates 2 arranged on two sides of the motor to move along the vertical direction through the U-shaped connecting plate 10. A plurality of chutes 3 with inconsistent inclination are arranged on the connecting plate 2 along the first direction. The height of each of the chutes 3 is uniform. A cam follower 4 is correspondingly arranged in each sliding groove 3. The cam follower 4 is fixedly connected with the sucker group 5. The lead screw 8 and the motor 7 drive the connecting plate 2 to move along the vertical direction, and the cam follower 4 arranged in the sliding groove 3 moves along the inclination direction of the sliding groove 3. When the cam followers 4 slide from the upper part to the lower part, each of the cam followers 4 gives the suction cup group 5 a force toward the motor 7 of the lead screw 8 to reduce the distance between the suction cup groups 5. When the cam followers 4 slide from the lower part to the upper part, each cam follower 4 gives the suction cup group 5 a force away from the motor 7 of the lead screw 8 to increase the distance between the suction cup groups 5. When the cam follower 4 is positioned at the uppermost portion of the chute 3, the distance between the plurality of sucker groups 5 is maximized; when the cam follower 4 is located at the lowermost portion of the slide groove 3, the distance between the plurality of suction cup groups 5 is minimized. The length of the chute 3 in the oblique direction is a range of the distance between the sucker groups 5. The distance between a plurality of sucker groups 5 is adjusted by combining the cam follower 4 with the sliding chute 3 so as to adapt to the requirements of different product swinging plates.

Specifically, in the present embodiment, the automated cam torque-converting wobble plate mechanism includes a base plate 1. The substrate 1 may be rectangular. A driving unit is fixedly arranged on one side of the substrate 1 along the first direction. The drive unit is movable in a vertical direction. And a connecting plate 2 in transmission connection with the driving unit is arranged below the base plate 1. The connection plate 2 may be rectangular. At least one sliding groove 3 which forms an included angle of not 0 degree or 180 degrees with the first direction is arranged on the connecting plate 2 along the first direction. The chute 3 is U-shaped. The height of each of the chutes 3 is the same. The middle part of each sliding groove 3 is in a long strip shape. Two ends of each strip-shaped groove are respectively provided with a semicircular groove with equal radius. A cam follower 4 capable of rolling along the inclined direction of the chute 3 is correspondingly arranged in the chute 3. The cam follower 4 is stationary in the second direction. At least one sucker group 5 is arranged below the substrate 1. The sucker group 5 is fixedly connected with one end of the cam follower 4 far away from the sliding groove 3. Each sucker group 5 comprises sliders 13 which are arranged below the substrate 1 at intervals along the vertical direction. A vacuum suction cup 14 with a downward suction nozzle is fixedly connected to one side of the lower part of each slide block 13 far away from the cam follower 4. The sucker groups 5 can be slidably connected with first guide rails 17 fixed at two ends of the substrate 1 along a first direction so as to change the distance between the sucker groups 5 along the first direction. Wherein, one sucker group 5 is correspondingly connected with one cam follower 4, and the first direction and the second direction are mutually vertical. The swinging plate mechanism is simple in structure, the motor is adopted to drive the U-shaped sliding groove 3, the cam followers 4 are arranged in the U-shaped sliding groove 3, the displacement increment of each cam follower 4 is consistent, so that the sucker group 5 is driven to move, the mechanism is converted into equidistant variable-pitch motion, and the placing efficiency and the placing accuracy of products are greatly improved; and the products at different intervals can be clamped and placed by only adjusting the displacement of the cam follower 4 for different products, the mechanism does not need to be replaced, the production cost is reduced, and the universality is better.

Specifically, in the present embodiment, the driving unit is disposed in the middle of the substrate 1. The driving unit comprises a screw 8 and a motor 7 fixed on the base plate 1. The motor 7 of the screw rod 8 is fixedly connected with the base plate 1 in a bolt or welding mode. The lower part of the motor 7 of the screw rod 8 is connected with a screw rod 8 in a transmission way. And a nut 9 is sleeved outside the screw rod 8. The screw 8 and the motor 7 can drive the nut 9 to move up and down along the vertical direction.

In a preferred embodiment, the nut 9 is provided on its outside with a U-shaped web 10. And two sides of the nut 9 in the first direction are respectively fixedly connected with two sides of the inside of the U-shaped groove. The two sides of the U-shaped connecting plate 10 far away from the nut 9 are respectively fixedly connected with the connecting plate 2. The motor 7 of the screw rod 8 drives the nut 9 to move along the vertical direction, and further drives the connecting plate 2 fixedly connected with the nut 9 to move along the vertical direction, so that the relative position of the cam follower 4 in the chute 3 is changed, the distance between the sucker groups 5 is changed, and clamping and placing of different products are realized.

As shown in fig. 1, in the present embodiment, each of the connecting plates 2 is provided with a plurality of chutes 3 having different inclinations. The chute 3 is U-shaped. The height of each of the chutes 3 is the same. The middle part of each sliding groove 3 is in a long strip shape. Two ends of each strip-shaped groove are respectively provided with a semicircular groove with equal radius. When the cam follower 4 is positioned at the upper part of the slide groove 3, the distance between the sucker groups 5 is the largest; when the cam follower 4 is located at the lower portion of the slide groove 3, the distance between the suction cup groups 5 is minimized. The mechanism can be suitable for more products and has high universality.

In a preferred embodiment, the chutes 3 on each of the connecting plates 2 are inclined in the same direction. The inclination of each of said runners 3 can be calculated as the maximum distance between the upper parts of the runners 3 and the minimum distance between the lower parts. The sliding chutes 3 on two adjacent connecting plates 2 are inclined in opposite directions. The distance between each slide groove 3 has a maximum value and a minimum value, and the increase of the slide grooves 3 is kept consistent all the time when the slide grooves 3 move, so that the distance between the sucker groups 5 can be increased or reduced simultaneously.

Specifically, in the present embodiment, a linear sliding groove 12 is disposed on one side of each connecting plate 2 away from the motor 7 of the screw 8. The linear sliding grooves 12 can be connected with sliding rails 11 arranged at two ends of the substrate 1 in a sliding manner along the vertical direction. The linear sliding groove 12 is used for further ensuring the stable motion of the connecting plate 2 when the lead screw 8 motor 7 drives the connecting plate 2 to move along the vertical direction, so that the connecting plate 2 is limited to move only along the vertical direction, and the direction change in the moving process is avoided.

As shown in fig. 2, in the present embodiment, a plurality of chuck sets 5 are disposed below the substrate 1. Each sucker group 5 comprises sliders 13 which are arranged below the substrate 1 at intervals along the vertical direction. The slider 13 may be rectangular. A vacuum suction cup 14 with a downward suction nozzle is fixedly connected to one side of the lower part of each slide block 13, which is far away from the cam follower 4, so as to suck and place products.

In an alternative embodiment, a pneumatic gripper can be fixedly connected to the lower portion of each slide 13 on the side away from the cam follower 4, so as to grip and place the product.

In a preferred embodiment, as shown in fig. 3, a clamping groove 15 is fixedly connected to a side of the slider 13 away from the vacuum chuck 14. The width of the locking groove 15 matches the width of the slider 13. The other side of the clamping groove 15 is fixedly connected with one end of the cam follower 4 far away from the sliding groove 3, so that when the connecting plate 2 moves, the cam follower 4 moves to change the distance between the sucker groups 5.

Specifically, in the present embodiment, a first through hole 16 is correspondingly penetrated through an upper portion of each of the sliders 13. The first through hole 16 is circular. The first guide rail 17 is slidably connected to the first through hole 16. A second through hole 18 is correspondingly arranged at the lower part of each sliding block 13. The second through hole 18 is circular. The second through hole 18 is slidably connected with a second guide rail 19 which is arranged in parallel with the first guide rail 17 and fixed at two ends of the substrate 1. The first guide rail 17 and the second guide rail 19 enable the sliders 13 to smoothly slide in the first direction to change the distance between the sliders 13.

The utility model discloses the principle and the implementation mode of the utility model are explained by applying the concrete embodiment, and the explanation of the above embodiment is only used for helping to understand the technical scheme and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. An automated cam torque-converting wobble plate mechanism, comprising:

a substrate;

2. The automatic cam torque-converting wobble plate mechanism according to claim 1, wherein the driving unit is disposed in a middle portion of the base plate, the driving unit comprises a lead screw motor fixed on the base plate, a lead screw is drivingly connected to a lower portion of the lead screw motor, a nut is sleeved on an outer portion of the lead screw, and the lead screw motor can drive the nut to move in a vertical direction.

3. The automatic cam torque-converting wobble plate mechanism according to claim 2, wherein a U-shaped connecting plate is arranged on the outer side of the nut, two sides of the nut along the first direction are fixedly connected with two sides of the inner portion of the U-shaped groove respectively, and two sides of the U-shaped connecting plate far away from the nut are fixedly connected with the connecting plate respectively.

4. The automatic cam torque-converting wobble plate mechanism according to claim 1, wherein each connecting plate is provided with a plurality of chutes with different inclinations, the chutes are U-shaped, the height of each chute is the same, the middle of each chute is elongated, and two ends of each elongated slot are provided with semi-circular slots with equal radius.

5. The automated cam torque-converting wobble plate mechanism of claim 4, wherein the chutes on each of the connecting plates are inclined in the same direction, and the chutes on two adjacent connecting plates are inclined in opposite directions.

6. The automatic cam torque-converting wobble plate mechanism according to claim 2, wherein a linear sliding groove is formed in one side of each connecting plate, which is away from the screw motor, and the linear sliding grooves can be connected with sliding rails arranged at two ends of the base plate in a sliding manner in a vertical direction.

7. The automatic cam torque-converting wobble plate mechanism of claim 1, wherein a plurality of suction cup sets are arranged below the base plate, each suction cup set comprises slide blocks arranged below the base plate at intervals along a vertical direction, and a vacuum suction cup with a downward suction nozzle is fixedly connected to one side of the lower portion of each slide block, which is far away from the cam follower.

8. The automatic cam torque-converting wobble plate mechanism of claim 7, wherein a slot is fixedly connected to one side of the slider away from the vacuum chuck, and the other side of the slot is fixedly connected to one end of the cam follower away from the sliding groove.

9. The automated cam torque-converting wobble plate mechanism of claim 7, wherein a first through hole is correspondingly formed through an upper portion of each of the sliders, and the first guide rail is slidably connected to the first through hole.

10. The automatic cam torque-converting wobble plate mechanism of claim 7, wherein a second through hole is correspondingly formed in the lower portion of each sliding block, and second guide rails which are arranged in parallel with the first guide rails and fixed at two ends of the base plate are slidably connected into the second through holes.