CN209671545U - A kind of plane cam driving device convenient for adjusting - Google Patents

Abstract

The utility model discloses a kind of plane cam driving devices convenient for adjusting, including driving motor, shaft is fixedly connected on the output shaft of the driving motor, the end of the shaft is welded with sliding block, the sliding block is slidably connected to the inside of sliding slot, the sliding slot is welded in the side of cam, the end of the sliding slot is equipped with steel plate, the first screw hole is offered at the center of steel plate described in two groups, the internal whorl of first screw hole is connected with the first screw, the end of first screw is movably connected on the inside of limiting slot, the limiting slot is opened in the edge of sliding block.The utility model changes between traditional the mode being connected to cam on motor output shaft, linking together for sliding block and sliding slot will be passed through between cam and shaft, when needing to adjust cam stroke, two group of first screw is rotated simultaneously, to move position of the sliding block in sliding slot, the stroke distances of cam are conveniently adjusted, meanwhile, convenient for sliding block is fixed.

Description

A kind of plane cam driving device convenient for adjusting

Technical field

The utility model relates to technical field of engineering machinery, specially a kind of plane cam driving device convenient for adjusting.

Background technique

Cam mechanism is a kind of common movement mechanism, the higher pair mechanism that it is made of cam, driven member and rack.When The displacement of driven member, velocity and acceleration must strictly change according to predetermined rule, especially when driving link makees continuous movement and When driven member must make intermittent movement, then with the easiest using cam mechanism.The characteristics of motion of cam follower depends on convex The contour line of wheel or the shape of groove, cam can convert continuous rotary motion to reciprocal linear motion, may be implemented multiple The miscellaneous characteristics of motion.Cam mechanism is widely used in various automations, instrument and maneuver control device.Why is cam mechanism So be widely applied, mainly since cam mechanism may be implemented the movement needs of various complexity, and structure it is simple, It is compact, it can accurately realize the characteristics of motion of requirement.As long as being suitably designed the contour curve of cam, so that it may so that push rod obtains The various expected characteristics of motion.

In plane cam driving device, the stroke of push rod is determined by the eccentricity of cam and rotating shaft, in the prior art, It is to be directly bonded to cam on the output shaft of motor mostly, the stroke of cam is not adjustable.For this purpose, it is proposed that one kind is convenient for The plane cam driving device of adjusting.

Utility model content

The purpose of this utility model is to provide a kind of plane cam driving device convenient for adjusting, by cam and shaft it Between linking together by sliding block and sliding slot, when needing to adjust cam stroke, while rotating two group of first screw, come Position of the mobile sliding block in sliding slot, to solve the problems, such as to propose that cam stroke is not adjustable in above-mentioned background technique.

To achieve the above object, the utility model provides the following technical solutions: a kind of plane cam driving convenient for adjusting Device, including driving motor are fixedly connected with shaft on the output shaft of the driving motor, and the end of the shaft is welded with cunning Block, the sliding block are slidably connected to the inside of sliding slot, and the sliding slot is welded in the side of cam, and the end of the sliding slot is equipped with Steel plate offers the first screw hole at the center of steel plate described in two groups, and the screw thread of two group of first screw hole is opposite threads, The internal whorl of first screw hole is connected with the first screw, and the end of first screw is movably connected on the interior of limiting slot Portion, the limiting slot are opened in the edge of sliding block.

Preferably, the top two sides of the sliding slot offer opening, and the internal activity of the opening is connected with the second spiral shell Silk.

Preferably, second screw thread is connected to the inside of the second screw hole, and second screw hole is opened in cunning The top of block.

Preferably, the steel plate is fixedly connected on the end of sliding slot by third screw.

Preferably, the outside of the third screw and the second screw hole is socketed with spring pad.

Preferably, the installation direction of the sliding slot and the protrusion direction of cam are consistent.

Compared with prior art, the utility model has the beneficial effects that

The utility model changes between traditional the mode being connected to cam on motor output shaft, by cam and shaft Between linking together by sliding block and sliding slot, when needing to adjust cam stroke, while rotating two group of first screw, Position of the sliding block in sliding slot is moved, is conveniently adjusted the stroke distances of cam, meanwhile, convenient for sliding block is fixed.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the area Tu1Zhong A enlarged structure schematic diagram；

Fig. 3 is the side elevational cross-section structural schematic diagram of the utility model；

Fig. 4 is the area Tu3Zhong B enlarged structure schematic diagram；

Fig. 5 is the sliding slot and cam structure schematic diagram of the utility model.

In figure: 1 driving motor, 2 shafts, 3 sliding blocks, 4 sliding slots, 5 cams, 6 steel plates, 7 first screw holes, 8 first screws, 9 Opening, 10 second screws, 11 second screw holes, 12 spring pads, 13 third screws, 14 limiting slots.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1~5 are please referred to, the utility model provides a kind of technical solution: a kind of plane cam driving dress convenient for adjusting It sets, including driving motor 1, shaft 2 is fixedly connected on the output shaft of the driving motor 1, the end of the shaft 2 is welded with Sliding block 3, the sliding block 3 are slidably connected to the inside of sliding slot 4, and the sliding slot 4 is welded in the side of cam 5, the end of the sliding slot 4 Portion is equipped with steel plate 6, and the first screw hole 7, and the spiral shell of two group of first screw hole 7 are offered at the center of steel plate 6 described in two groups Line is opposite threads, and the internal whorl of first screw hole 7 is connected with the first screw 8, and the screw thread of two group of first screw 8 is also Opposite threads are conducive to band movable slider 3 and move in sliding slot 4, while sliding block 3 being fixed, and the end of first screw 8 is living The dynamic inside for being connected to limiting slot 14, the limiting slot 14 are opened in the edge of sliding block 3.

Specifically, the top two sides of the sliding slot 4 offer opening 9, the internal activity of the opening 9 is connected with second Screw 10.It is mobile that the opening 9 is conducive to the second screw 10.

Specifically, second screw 10 is threadedly connected to the inside of the second screw hole 11, second screw hole 11 is opened Set on the top of sliding block 3.The second screw 10 is tightened after the position for adjusting sliding block 3, is conducive to fix sliding block 3, be mentioned Stability of the high sliding block 3 in sliding slot 4.

Specifically, the steel plate 6 is fixedly connected on the end of sliding slot 4 by third screw 13.The end of sliding slot 4 offers The screw hole to match with third screw 13 is conducive to the installation and removal to steel plate 6, while being convenient for the replacement of cam 5.

Specifically, the outside of the third screw 13 and the second screw hole 11 is socketed with spring pad 12.The spring pad 12 Be conducive to improve the stability of third screw 13 and the second screw hole 11, so that third screw 13 and the second screw hole 11 will not be with Meaning loosens.

Specifically, the installation direction of the sliding slot 4 is consistent with the protrusion direction of cam 5.With guarantee adjusting slider 3 when It waits, the stroke distances of adjustable cam 5.

Working principle: in use, cam 5 is mounted in sliding slot 4 by sliding block 4, steel plate 6 is then passed through third screw 13 are fixed on the end of sliding slot 4, as needed, while rotating two group of first screw 8, position of the Lai Yidong sliding block 3 in sliding slot 4 It sets, so that the center of cam 5 and the center of shaft 2 shift, so as to adjust the stroke distances of cam 5, then Second screw 10 is screwed into the screw hole 11 at 3 top of sliding block, sliding block 3 is fixed, prevents cam 5 from freeing at work Displacement.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of plane cam driving device convenient for adjusting, including driving motor (1), it is characterised in that: the driving motor (1) it is fixedly connected on output shaft shaft (2), the end of the shaft (2) is welded with sliding block (3), sliding block (3) sliding It is connected to the inside of sliding slot (4), the sliding slot (4) is welded in the side of cam (5), and the end of the sliding slot (4) is equipped with steel Plate (6) offers the first screw hole (7) at the center of steel plate described in two groups (6), and the screw thread of two group of first screw hole (7) Internal whorl for opposite threads, first screw hole (7) is connected with the first screw (8), the end of first screw (8) It is movably connected on the inside of limiting slot (14), the limiting slot (14) is opened in the edge of sliding block (3).

2. a kind of plane cam driving device convenient for adjusting according to claim 1, it is characterised in that: the sliding slot (4) top two sides offer opening (9), and the internal activity of the opening (9) is connected with the second screw (10).

3. a kind of plane cam driving device convenient for adjusting according to claim 2, it is characterised in that: second spiral shell Silk (10) is threadedly connected to the inside of the second screw hole (11), and second screw hole (11) is opened in the top of sliding block (3).

4. a kind of plane cam driving device convenient for adjusting according to claim 1, it is characterised in that: the steel plate (6) end of sliding slot (4) is fixedly connected on by third screw (13).

5. a kind of plane cam driving device convenient for adjusting according to claim 4, it is characterised in that: the third spiral shell The outside of silk (13) and the second screw hole (11) is socketed with spring pad (12).

6. a kind of plane cam driving device convenient for adjusting according to claim 1, it is characterised in that: the sliding slot (4) installation direction is consistent with the protrusion direction of cam (5).