CN218988684U

CN218988684U - Cam pushing device

Info

Publication number: CN218988684U
Application number: CN202223470816.XU
Authority: CN
Inventors: 李俊林; 吴武彬; 张金峰; 杨科; 李帆; 项立伟
Original assignee: Syscan Medical Technology Suzhou Co ltd
Current assignee: Syscan Medical Technology Suzhou Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-05-09
Anticipated expiration: 2032-12-22

Abstract

The utility model relates to a cam pushing device, comprising: the L-shaped fixing plate comprises a bottom plate and a mounting plate, and a driving motor is arranged on the mounting plate; the pushing frame is in sliding connection with the mounting plate: a ball bearing provided on the push frame; and the cam is arranged on the mounting plate, and the circumferential arc surface of the cam is always clung to the ball bearing. According to the cam lifting device, the lifting frame is used for lifting related products, the driving motor drives the cam to rotate, the base circular surface and the protruding arc surface of the cam are alternately contacted with the ball bearing and drive the lifting frame to reciprocate up and down, the maximum lifting distance of the lifting frame is determined by the difference value between the protruding vertex of the cam and the base circular radius, and then small-distance lifting reciprocating motion can be achieved.

Description

Cam pushing device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a cam pushing and lifting device.

Background

The process of manufacturing and assembling the reagent rack usually requires the cooperation of a plurality of production lines, and one condition commonly encountered is: after the reagent rack is transferred from one direction, the reagent rack needs to be lifted to a certain height and then is grabbed by an external manipulator or pushed to another conveying line perpendicular to the transfer direction by a pushing mechanism, the lifting height is generally small and is only 10-30mm, and the space and the height which can accommodate the lifting mechanism at the position are limited.

In the conventional mechanical mechanism, although the standard linear screw rod module can be used for pushing and lifting products to reach the required height by matching with the pushing plate, the linear screw rod module has a large height ratio in the vertical direction, cannot adapt to the installation in a small space and is not accurate enough, and if the nonstandard linear screw rod module is designed according to the same proportion, the manufacturing cost is high, and the reliability is unknown.

Disclosure of Invention

Therefore, the technical problem to be solved by the utility model is to solve the problem that a tool which is reliable in structure and can lift a product in a short distance is lacking in the prior art.

In order to solve the above technical problems, the present utility model provides a cam lifting device, including:

the L-shaped fixing plate comprises a bottom plate and a mounting plate, and a driving motor is arranged on the mounting plate;

the pushing frame is in sliding connection with the mounting plate:

a ball bearing provided on the push frame;

and the cam is arranged on the mounting plate, and the circumferential arc surface of the cam is always clung to the ball bearing.

In one embodiment of the utility model, the mounting plate is provided with a high-level groove-shaped photoelectric switch and a low-level groove-shaped photoelectric switch, and the lifting frame is provided with a shading baffle plate.

In one embodiment of the utility model, the mounting plate is provided with a linear sliding rail, the lifting frame is provided with a sliding block, and the sliding block is connected with the linear sliding rail.

In one embodiment of the utility model, a spring is connected between the base plate and the slider.

In one embodiment of the utility model, the pushing frame comprises a supporting plate and a supporting plate, wherein the supporting plate is connected with the supporting plate, and the supporting plate is connected with the sliding block.

In one embodiment of the utility model, the two ends of the supporting plate extend upwards to form guard plates.

In one embodiment of the utility model, the sliding block is provided with an L-shaped connecting plate, and the L-shaped connecting plate is connected with the supporting plate.

In one embodiment of the utility model, the spring is a hook spring, a spring fixing plate is arranged on the sliding block, a first through hole is arranged on the spring fixing plate, one end of the spring is connected with the first through hole, a second through hole is arranged on the bottom plate, and the other end of the spring is connected with the second through hole.

In one embodiment of the utility model, a clamping groove is formed in the linear sliding rail, and a clamping strip is arranged on the sliding block and connected with the clamping groove.

In one embodiment of the present utility model, the device further comprises a base, and the base is connected to the bottom plate.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

according to the cam lifting device, the lifting frame is used for lifting related products, the driving motor drives the cam to rotate, the base circular surface and the protruding circular arc surface of the cam are alternately contacted with the ball bearing and drive the lifting frame to reciprocate up and down, the maximum lifting distance of the lifting frame is dependent on the difference value between the protruding vertex of the cam and the base circular radius, and therefore small-distance lifting reciprocating movement can be achieved.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which

FIG. 1 is a schematic view of the overall structure of a cam jack of the present utility model;

FIG. 2 is a side view of the cam lifter of the present utility model;

fig. 3 is a front view of the cam lifter of the present utility model.

Description of the specification reference numerals: 1. an L-shaped fixing plate; 101. a bottom plate; 102. a mounting plate; 2. a driving motor; 3. a pushing frame; 301. a support plate; 302. a supporting plate; 303. a guard board; 4. a ball bearing; 5. a cam; 6. high-level groove-shaped photoelectric switch; 7. a low-level groove-shaped photoelectric switch; 8. a shading baffle; 9. a linear slide rail; 10. a slide block; 11. a spring; 12. an L-shaped connecting plate; 13. and (5) a base.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.

Referring to fig. 1 to 3, the present utility model provides a cam 5 lifting device comprising:

an L-shaped fixing plate 1, which comprises a bottom plate 101 and a mounting plate 102, wherein a driving motor 2 is arranged on the mounting plate 102;

a push frame 3 slidably connected to the mounting plate 102:

a ball bearing 4 provided on the push frame 3;

and a cam 5 provided on the mounting plate 102, wherein the circumferential arc surface of the cam 5 is always in close contact with the ball bearing 4.

In summary, according to the cam lifting device, the lifting frame 3 is used for lifting a related product, the driving motor 2 drives the cam 5 to rotate, the base circular surface and the convex circular surface of the cam 5 are alternately contacted with the ball bearing 4 and drive the lifting frame 3 to reciprocate up and down, the maximum lifting distance of the lifting frame 3 is determined by the difference value between the convex vertex of the cam 5 and the radius of the base circular surface, and then small-distance lifting reciprocating movement can be realized.

In the initial state, the proximal end (i.e., the base circular surface) of the cam 5 is in contact with the ball bearing 4, and the lifting frame 3 is at the lowest position; along with the rotation of the driving motor 2, the distal end (i.e. the convex arc surface) of the cam 5 is contacted with the ball bearing 4, and the lifting frame 3 reaches the highest position; as the drive motor 2 continues to rotate, the jack 3 moves downward by gravity to the lowest position to complete a change in position from low to high and then from high to low.

Specifically, the center of the base circle of the cam 5 is provided with a rotating shaft, a bearing is arranged in front of the mounting plate 102, the rotating shaft of the cam 5 is connected with the inner ring of the bearing, the rear of the mounting plate 102 is bent to form a motor mounting plate 102, the motor mounting plate 102 is used for being connected with a driving shell, the output shaft of the driving motor 2 is connected with the rotating shaft of the cam 5 through a coupler, the distance from the lowest position to the highest position of the lifting frame 3 is determined by the size of the cam 5, the cam 5 with the corresponding size can be selected or processed according to the reciprocating distance of the lifting frame 3, the falling of the lifting frame 3 mainly depends on gravity, but because of the arc surface of the cam 5, the whole falling is relatively stable, the space occupied by a conventional reciprocating linear motion mechanism in the vertical direction is greatly reduced, and the structure is suitable for the installation of a compact space and quite reliable.

Further, the mounting plate 102 is provided with a high-level groove-shaped photoelectric switch 6 and a low-level groove-shaped photoelectric switch 7, and the lifting frame 3 is provided with a shading baffle 8.

Specifically, when the proximal end of the cam 5 contacts with the ball bearing 4, the shading baffle 8 shields the low-level groove-shaped photoelectric switch 7, along with the rising of the lifting frame 3, the distal end of the cam 5 contacts with the ball bearing 4, the shading baffle 8 shields the high-level groove-shaped photoelectric switch 6, and the photoelectric switch and the controller are added, so that the control of the driving motor 2 can be effectively realized, and further the stop of the front and rear end production line can be met, and meanwhile, the limit movement point position of the lifting frame 3 can be more accurate.

Further, a linear slide rail 9 is arranged on the mounting plate 102, a slide block 10 is arranged on the lifting frame 3, and the slide block 10 is connected with the linear slide rail 9.

In particular, the slide 10 and the linear slide 9 can provide a guiding function for the up-and-down movement of the jack 3.

Further, a spring 11 is connected between the bottom plate 101 and the slider 10.

Specifically, after the lifting frame 3 reaches the highest point, the lifting frame 3 will quickly descend to the lowest point under the action of the tension of the spring 11 as the cam 5 continues to rotate.

Further, the lifting frame 3 includes a support plate 301 and a supporting plate 302, the supporting plate 302 is connected to the support plate 301, and the support plate 301 is connected to the slider 10.

Specifically, the supporting plate 301 and the supporting plate 302 may be integrally formed, the supporting plate 301 is disposed along a vertical direction, and the supporting plate 302 is disposed along a horizontal direction for lifting and lifting a product.

Further, both ends of the pallet 302 extend upward to form guard plates 303.

Specifically, the guard plates 303 at two ends can provide two-side limiting effects for the product, so that the product is more stable in the moving process, and related product limiting mechanisms can be additionally arranged on the guard plates 303.

Further, an L-shaped connecting plate 12 is provided on the slider 10, an L-shaped fixing plate 1 is provided on the slider 10, and the L-shaped connecting plate 12 is connected with the supporting plate 301.

Specifically, the L-shaped connecting plate 12 may be a bent angle steel, which has a better structural strength and can provide a more stable support for the connection between the slider 10 and the support plate 301.

Further, the spring 11 is a hook spring 11, a spring 11 fixing plate is arranged on the sliding block 10, a first through hole is arranged on the spring 11 fixing plate, one end of the spring 11 is connected with the first through hole, a second through hole is arranged on the bottom plate 101, and the other end of the spring 11 is connected with the second through hole.

Specifically, the hook spring 11 only plays a role in pulling in the whole process, and is convenient to install and detach.

Further, a clamping groove is formed in the linear sliding rail 9, and a clamping strip is arranged on the sliding block 10 and connected with the clamping groove.

Specifically, the design of card strip and draw-in groove makes the connection of linear slide rail 9 and slider 10 more stable, and then has promoted the stability of pushing away in-process of lifting frame 3.

More, the upper and lower ends of the linear guide rail are also provided with limiting blocks for preventing the sliding block 10 from being separated from the linear guide rail.

Further, the device also comprises a base 13, and the base 13 is connected with the bottom plate 101.

In particular, the base 13 provides support for the entire device and is also more convenient to mount to the equipment rack.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims

1. A cam jack, comprising:

the pushing frame is in sliding connection with the mounting plate:

a ball bearing provided on the push frame;

2. The cam jack of claim 1, wherein: the mounting plate is provided with a high-position groove-shaped photoelectric switch and a low-position groove-shaped photoelectric switch, and the lifting frame is provided with a shading baffle plate.

3. The cam jack of claim 1, wherein: the mounting plate is provided with a linear slide rail, the pushing frame is provided with a slide block, and the slide block is connected with the linear slide rail.

4. A cam lifter according to claim 3, wherein: and a spring is arranged between the bottom plate and the sliding block.

5. A cam lifter according to claim 3, wherein: the pushing frame comprises a supporting plate and a supporting plate, wherein the supporting plate is connected with the supporting plate, and the supporting plate is connected with the sliding block.

6. The cam jack of claim 5, wherein: the two ends of the supporting plate extend upwards to form guard plates.

7. The cam jack of claim 5, wherein: the sliding block is provided with an L-shaped connecting plate, and the L-shaped connecting plate is connected with the supporting plate.

8. The cam jack of claim 4, wherein: the spring is a hook spring, a spring fixing plate is arranged on the sliding block, a first through hole is formed in the spring fixing plate, one end of the spring is connected with the first through hole, a second through hole is formed in the bottom plate, and the other end of the spring is connected with the second through hole.

9. A cam lifter according to claim 3, wherein: the linear sliding rail is provided with a clamping groove, the sliding block is provided with a clamping strip, and the clamping strip is connected with the clamping groove.

10. The cam jack of claim 1, wherein: the base is connected with the bottom plate.