CN108380114B

CN108380114B - Wrist formula swing mechanism and wrist formula pendulum bed

Info

Publication number: CN108380114B
Application number: CN201810135880.1A
Authority: CN
Inventors: 王振明; 曹顺风; 陈志明
Original assignee: Suzhou Jiemei Electronic Co ltd
Current assignee: Suzhou Jiemei Electronic Co ltd
Priority date: 2018-02-09
Filing date: 2018-02-09
Publication date: 2021-02-02
Anticipated expiration: 2038-02-09
Also published as: CN108380114A

Abstract

The invention discloses a wrist type swing mechanism which mainly comprises a motor, a swing shaft, a left support, a large belt wheel, a base, a driving shaft, a left bearing seat, a rotary support, a sliding chute, a linear sliding rail, a moving shaft, a swing rod, a rotating shaft, a right support, a connecting pin and a swing block. The invention converts the rotation of the motor into the swing through the mechanical mechanism, can adjust the swing amplitude in the motion process through adjusting the handle, achieves the best mixing effect, has wide application, convenient operation, excellent performance and long service life, and can meet various different use environments.

Description

Wrist formula swing mechanism and wrist formula pendulum bed

Technical Field

The invention belongs to the technical field of stirring and mixing machines, and particularly relates to a wrist type swinging mechanism for a wrist type shaking table.

Background

The application of the mixing equipment in the modern society is very common, the mixing equipment is widely applied to units such as universities and colleges, environmental protection, scientific research, health epidemic prevention stations, petroleum, chemical engineering, medical treatment, biological pharmacy and the like, and the mixing equipment is necessary equipment in modern laboratories.

The mixing device generally comprises a reciprocating type, a rotating type and the like, and generally mainly comprises a clamping device, a rack, a driving device, a movement mechanism and a control system, wherein the rack is a structure for fixed support, the clamping device is used for placing tools of reagent bottles, the driving device is a structure for driving the device to move, the movement mechanism is used for executing specific movement, and the control system is a structure for controlling the driving device so that the device is automatically controllable.

In the mixing equipment in the prior art, a connecting rod mechanism is generally arranged on a motor rotating shaft to realize repeated movement so as to achieve the effect of mixing, and the swing amplitude serving as the core of the mixing equipment determines the service performance and the mixing effect of the whole machine. However, in the current market, the swing amplitude is mostly controlled by an electronic scheme, a motor shaft of the mechanism is adjusted and rotated in a reciprocating mode in a very small range, the temperature of the motor rises, an internal bearing is prone to abrasion, the service life of the motor is shortened, an electric control program is complex to operate, stepless adjustment is difficult to achieve, and the use performance of the machine is affected.

Disclosure of Invention

The invention aims to provide efficient blending equipment, which converts the rotation of a motor into swing through a mechanical mechanism, can adjust the swing amplitude in the movement process through adjusting a handle, achieves the optimal blending effect, has wide application, convenient operation, excellent performance and long service life, and can meet various different use environments.

The invention provides a wrist type swinging mechanism which mainly comprises a motor, a swinging shaft, a left support, a large belt wheel, a base, a driving shaft, a left bearing seat, a rotating support, a sliding chute, a linear sliding rail, a moving shaft, a swinging rod, a rotating shaft, a right support, a connecting pin and a swinging block, wherein the swinging shaft is arranged on the base;

the left bracket and the right bracket are vertically fixed on the base in a parallel opposite mode, and the swinging shaft is supported at the upper parts of the left bracket and the right bracket through bearings;

the driving shaft is supported on the left bracket; one end of the driving shaft is rotationally coupled with the output end of a motor fixed on the base through a large belt pulley; the other end of the driving shaft is fixed through a left bearing seat and is provided with a rotating bracket;

the sliding chute is arranged on the left bearing seat;

the rotating bracket is of an eccentric wheel structure, is fixed at the shaft end of the driving shaft and rotates along with the driving shaft;

the linear slide rail is vertically arranged in the sliding groove, a short shaft perpendicular to the rotating surface of the rotating support is arranged on one side of the linear slide rail facing the rotating support, and a bearing or a sliding shaft sleeve in contact with the outer edge of the eccentric wheel of the rotating support is sleeved on the short shaft;

the linear slide rail is fixed at one end of the moving shaft, and the moving shaft is connected with a rotating shaft;

one end of the swing rod is sleeved on the rotating shaft, and the other end of the swing rod is hinged with the swing block through a connecting pin;

the swinging block is fixedly connected with the swinging shaft.

Preferably, the device further comprises a swing amplitude adjusting mechanism; the swing amplitude adjusting mechanism comprises a movable pin, a limiting block, a rotating sleeve, a right bearing seat and an adjusting rod; one end of the limiting block is hinged to the end of the rotating shaft through a movable pin, and the other end of the limiting block is hinged to the rotating sleeve; the rotating sleeve is fixedly connected with the adjusting rod with threads and is erected on the right bearing seat through a bearing.

As a further preferable means, a locking handle for locking the adjusting lever to the right bracket is further included.

Preferably, a plurality of foot pads are arranged on the lower part of the base.

The invention also provides a wrist type swinging bed which comprises the swinging mechanism of any one of the above.

Furthermore, two ends of the swinging shaft are respectively and coaxially fixed with a fixed rod through connecting sleeves; the clamp holder is fixed on the fixed rod.

Further, the holder is of a symmetrical structure.

Further, the clamp holder is provided with a screwing handle.

The invention has the following technical effects:

1. through bilateral symmetry support mode, realize the reciprocal swing of adjustment of container through simple transmission, overall structure is reliable high-efficient.

2. The motion is transmitted by a mechanical mode, the swing amplitude is adjusted, the precision is high, and the service life is long.

3. The high-speed high-load mixing machine is driven by a high-efficiency motor, can realize high-speed high-load mixing, and has low noise and stable operation.

4. The swing amplitude is adjusted by changing the common thread stroke, the operation is very simple, the stepless adjustment of the swing amplitude can be realized under the non-stop state, and the application environment is wide.

Drawings

FIG. 1 is a perspective view of a swing bed incorporating the wrist swing mechanism of the present invention;

FIG. 2 is a front view of the pendulum bed of FIG. 1;

FIG. 3 is a top view of the swing bed of FIG. 2;

fig. 4 is a sectional view taken along line a-a of fig. 3.

Description of reference numerals:

1. a motor; 2. a swing shaft; 3. a left bracket; 4. connecting sleeves; 5. a holder; 6. screwing the handle; 7. fixing the rod; 8. a conveyor belt; 9. a large belt pulley; 10. a foot pad; 11. a base; 12. a drive shaft; 13. a left bearing seat; 14. rotating the bracket; 15. a chute; 16. a linear slide rail; 17. a movable shaft; 18. a swing rod; 19. a rotating shaft; 20. a movable pin; 21. a limiting block; 22. a rotating sleeve; 23. a right bearing seat; 24. a right bracket; 25. locking the handle; 26. adjusting a rod; 27. a connecting pin; 28. a wobble block.

Detailed Description

The invention is described in further detail below with reference to the accompanying drawings:

referring to the attached figure 1, the invention firstly discloses a wrist type swing bed, which mainly comprises a motor 1, a swing shaft 2, a left support 3, a connecting sleeve 4, a clamper 5, a screwing handle 6, a fixed rod 7, a conveyor belt 8, a large belt wheel 9, a foot pad 10, a base 11, a driving shaft 12, a left bearing seat 13, a rotating support 14, a sliding chute 15, a linear sliding rail 16, a moving shaft 17, a swing rod 18, a rotating shaft 19, a movable pin 20, a limiting block 21, a rotating sleeve 22, a right bearing seat 23, a right support 24, a locking handle 25, an adjusting rod 26, a connecting pin 27, a swing block 28 and the like.

The wrist type swing mechanism mainly comprises a motor 1, a swing shaft 2, a left support 3, a large belt wheel 9, a base 11, a driving shaft 12, a left bearing seat 13, a rotating support 14, a sliding groove 15, a linear sliding rail 16, a moving shaft 17, a swing rod 18, a rotating shaft 19, a right support 24, a connecting pin 27 and a swing block 28.

The left bracket 3 and the right bracket 24 are vertically fixed on the base 11 in parallel opposite to each other, and the swing shaft 2 is supported on the upper parts of the left bracket 3 and the right bracket 24 through bearings. The driving shaft 12 is supported at a position below the left bracket 3 through a bearing in a penetrating manner, and the projections of the driving shaft 12 and the swinging shaft 2 on the base 11 are parallel to each other but do not overlap. One end of the driving shaft 12 is fixed with a large belt wheel 9, and the large belt wheel 9 is rotationally coupled with the output end of the motor 1 fixed on the base 11 through a conveying belt 8. The other end of the drive shaft 12 is fixed by a left bearing housing 13 and is mounted with a rotating bracket 14. The slide slot 15 is mounted on the left bearing block 13. The driving shaft 12 is horizontally arranged, and the large belt wheel 9, the left support 3, the left bearing seat 13, the rotating support 14 and the sliding groove 15 are spatially and sequentially arranged along the axial direction of the driving shaft 12.

Referring to fig. 4, the rotating bracket 14 is an eccentric wheel structure, and is fixed at the axial end of the driving shaft 12 and rotates with the driving shaft 12. The linear slide rail 16 is vertically arranged in the sliding groove 15, and a short shaft perpendicular to the rotating surface of the rotating bracket 14 is arranged on one side of the linear slide rail 16 facing the rotating bracket 14, and a bearing or a sliding shaft sleeve contacted with the outer edge of the eccentric wheel of the rotating bracket 14 is sleeved on the short shaft. When the rotating bracket 14 rotates along with the driving shaft 12, the outer edge of the eccentric wheel can push the short shaft to drive the linear slide rail 16 to slide up and down in the slide slot 15.

The linear slide rail 16 is fixed to one end of a moving shaft 17, and a rotating shaft 19 is connected to the moving shaft 17. One end of the swing rod 18 is sleeved on the rotating shaft, and the other end of the swing rod 18 is hinged with the swing block 28 through a connecting pin 27. The pivot mass 28 is fixedly connected to the pivot shaft 2. When the linear slide rail 16 slides up and down in the slide slot 15, the swing shaft 2 is driven to swing back and forth by the moving shaft 17, the rotating shaft 19, the swing rod 18 and the swing block 28.

As shown in figure 1, the two ends of the swinging shaft 2 of the wrist type swinging bed of the invention are coaxially fixed with fixed rods 7 through connecting sleeves 4 respectively. On the fixed rod 7 is fixed a holder 5, preferably of symmetrical construction, which holder 5 can be held by screwing the handle 6 to hold a container, shown containing the liquid to be mixed.

In another preferred embodiment, the wrist swing mechanism of the present invention further comprises a swing amplitude adjustment mechanism. The swing amplitude adjusting mechanism comprises a movable pin 20, a limiting block 21, a rotating sleeve 22, a right bearing seat 23, a locking handle 25 and an adjusting rod 26. Wherein, one end of the limited block 21 is hinged at the end of the rotating shaft 19 through the movable pin 20, and the other end is hinged with the rotary sleeve 22. The rotary sleeve 22 is fixedly connected with an adjusting rod 26 with screw thread and is erected on the right bearing block 23 through a bearing. The locking handle 25 is used to lock the adjustment lever 26 to the right bracket 24.

The swing amplitude adjusting principle is as follows: the locking handle 25 is loosened, the adjusting rod 26 is manually rotated, the rotating sleeve 22 linearly moves along the thread direction of the adjusting rod 26, one end of the limiting block 21, which is hinged to the rotating shaft 19, moves up under the action of thrust generated by the linear motion of the rotating sleeve 22, and the rotating shaft 19 and the moving shaft 17 are fixed together, so that the moving shaft 17 simultaneously moves up, the position of the linear slide rail 16 in the sliding groove 15 is driven to change, namely the amplitude of the moving shaft 17 is changed, the swing angle of the swing shaft 2 is changed, and the adjustment of the swing amplitude is realized.

Preferably, a plurality of foot pads 10 may be provided under the swing mechanism base 11 of the present invention to absorb vibration.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

The present invention is not limited to the above description of the embodiments, and those skilled in the art should, in light of the present disclosure, appreciate that many changes and modifications can be made without departing from the spirit and scope of the invention.

Claims

1. A wrist type swing mechanism mainly comprises a motor, a swing shaft, a left support, a large belt wheel, a base, a driving shaft, a left bearing seat, a rotating support, a sliding chute, a linear sliding rail, a moving shaft, a swing rod, a rotating shaft, a right support, a connecting pin and a swing block; the method is characterized in that:

the sliding chute is arranged on the left bearing seat;

the swinging block is fixedly connected with the swinging shaft;

the swing amplitude adjusting mechanism is also included; the swing amplitude adjusting mechanism comprises a movable pin, a limiting block, a rotating sleeve, a right bearing seat and an adjusting rod;

one end of the limiting block is hinged to the end of the rotating shaft through a movable pin, and the other end of the limiting block is hinged to the rotating sleeve; the rotating sleeve is fixedly connected with the adjusting rod with threads and is erected on the right bearing seat through a bearing.

2. The wrist-mount swinging mechanism of claim 1, wherein:

the locking handle is used for locking the adjusting rod on the right support.

3. A wrist-swing mechanism according to any one of claims 1-2, wherein:

the lower part of the base is provided with a plurality of foot pads.

4. A wrist type swing bed is characterized in that: comprising the wrist-swing mechanism of any one of claims 1-3.

5. The wrist swing bed of claim 4, wherein:

two ends of the swinging shaft are respectively and coaxially fixed with a fixed rod through connecting sleeves;

the clamp holder is fixed on the fixed rod.

6. The wrist swing bed of claim 5, wherein:

the holder is of a symmetrical structure.

7. A wrist-type swing bed according to claim 5 or 6, wherein:

the clamp holder is provided with a screwing handle.