CN112173553B

CN112173553B - Automatic change band conveyer speed adjusting mechanism for production line

Info

Publication number: CN112173553B
Application number: CN202011111830.3A
Authority: CN
Inventors: 董江海
Original assignee: Shenzhen Huazhi Information Technology Co ltd
Current assignee: SHENZHEN HUAZHI INFORMATION TECHNOLOGY CO.,LTD.
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2022-02-11
Anticipated expiration: 2040-10-16
Also published as: CN112173553A

Abstract

The invention relates to the technical field of automatic production lines and discloses a speed regulating mechanism of a belt conveyor for an automatic production line, which comprises a box body, wherein a power shaft is movably connected inside the box body, a shell is fixedly connected outside the power shaft, an induction assembly is movably connected inside the shell, a limiting plate is movably connected inside the shell, and a current variant is movably connected inside the limiting plate; through the pivot, response subassembly, the limiting plate, the electric wire, the current variant, spring one, the movable block, spring two, the speed reduction board, the interact between the movable rod, can carry out timely speed reduction when the slew velocity of pivot surpasss normal scope and handle the pivot to avoided motor current overload or some other reasons to lead to the rotational speed of pivot to lead to the fact the unable normal work of band conveyer and to lead to the fact the condition of health injury to the staff to take place at the excessive speed, and then accorded with actual conditions's use more.

Description

Automatic change band conveyer speed adjusting mechanism for production line

Technical Field

The invention relates to the technical field of automation production lines, in particular to a speed regulating mechanism of a belt conveyor for an automatic production line.

Background

The belt conveyor is a conveying device for objects, has the advantages of large conveying capacity, simple structure, convenience in maintenance, part standardization and the like, is widely applied to the production fields of electronics, machinery and the like, and can meet the production requirements of an automatic production line.

The transmission speed of the belt conveyor is controlled by the speed regulating mechanism in the running process, the current overload can occur in the running process of the existing speed regulating mechanism, so that the rotating speed of a motor rotating shaft is too high, or the rotating speed of the rotating shaft exceeds the normal rotating speed range of the belt conveyor due to misoperation of an operator, so that the condition that the product conveying speed is too high to be matched with other equipment or the conveying speed of the belt conveyor is suddenly accelerated, and the operator at the production line is easily injured is caused, not only the normal work of an automatic production line is influenced, but also certain potential safety hazards exist in the use of the speed regulating mechanism, in addition, due to negligence of the operator, two speed regulating rods can be in a speed regulating state at the same time, so that the power output shaft is subjected to power input at two different speeds simultaneously, the power output shaft cannot normally work and the speed regulating mechanism component is damaged, can not meet the requirements of actual production and use.

Therefore, in order to solve the problems, a speed regulating mechanism of a belt conveyor for an automatic production line is needed.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a speed regulating mechanism of a belt conveyor for an automatic production line, which has the advantages of timely carrying out speed reduction treatment on a power shaft when the power shaft stalls and avoiding the situation that the speed regulating mechanism cannot normally work due to the simultaneous rotation of two speed regulating rods, and solves the problems that when the input current is too large or the rotating speed of the power shaft exceeds the normal speed due to the misoperation of an operator, the conveyor cannot normally work and the potential safety hazard is easy to occur, and simultaneously, the speed regulating mechanism cannot normally work due to the fact that the two speed regulating rods are simultaneously in a speed regulating state due to the negligence of the operator.

(II) technical scheme

In order to achieve the purposes of timely carrying out speed reduction treatment on the power shaft when the power shaft stalls and avoiding the situation that the speed regulating mechanism cannot work normally due to the simultaneous rotation of two speed regulating rods, the invention provides the following technical scheme: a belt conveyor speed regulating mechanism for an automatic production line comprises a box body, wherein a power shaft is movably connected inside the box body, a shell is fixedly connected outside the power shaft, a sensing assembly is movably connected inside the shell, a limiting plate is movably connected inside the shell, an electrorheological body is movably connected inside the limiting plate, a first spring is movably connected inside the limiting plate, a movable block is movably connected inside the limiting plate, an electric wire is fixedly connected inside the limiting plate, a second spring is movably connected inside the shell, a movable rod is movably connected inside the shell, a speed reducing plate is fixedly connected outside the movable rod, a first connecting rod is movably connected inside the box body, a first rack is fixedly connected outside the first connecting rod, a third spring is fixedly connected outside the first connecting rod, a first photosensitive assembly is fixedly connected inside the first connecting rod, and a second connecting rod is movably connected inside the box body, the outer portion of the second connecting rod is fixedly connected with a second rack, the outer portion of the second rack is movably connected with a limiting assembly, and the inner portion of the second connecting rod is fixedly connected with a second photosensitive assembly.

Preferably, the number of the limiting assemblies and the number of the springs are four, the number of the connecting rods I, the connecting rods II, the racks I, the racks II, the photosensitive assemblies I and the photosensitive assemblies II is two, one limiting assembly, one connecting rod I, one photosensitive assembly I, one spring III and one rack I form one control assembly I, one limiting assembly, one connecting rod II, one photosensitive assembly II, one spring III and one rack II form one control assembly II, the number of the control assembly I and the control assembly II is two, the inside of the box body is movably connected with the speed adjusting rod I, the inside of the box body is movably connected with the speed adjusting rod II, the position and the specification of the control assembly I are matched with the speed adjusting rod I, and the position and the specification of the control assembly II are matched with the speed adjusting rod II.

Preferably, spacing subassembly mainly comprises gear, ratchet, dwang, kelly, short column, spring four, the electro-magnet, the inside swing joint of box has the dwang, the fixed cover in outside of dwang has connect the gear, the fixed cover in outside of dwang has connect the ratchet, the outside swing joint of ratchet has the pull rod, the outside fixedly connected with spring four of kelly, the outside fixedly connected with electro-magnet of spring four, electro-magnet and box fixed connection, the outside swing joint of kelly has the short column, four gears mesh with two racks one and two racks two respectively, the kelly is made by the metal iron material.

Preferably, the photosensitive assembly I mainly comprises a shading shell I, a photosensitive resistor I and a light transmission hole I, the shading shell I is fixedly connected inside the connecting rod I, the photosensitive resistor I is fixedly connected inside the shading shell I, the light transmission hole I is formed in the surface of the shading shell, the position and the specification of the light transmission hole I are matched with the speed adjusting rod I, the photosensitive assembly II mainly comprises a shading shell II, a photosensitive resistor II and a light transmission hole II, the shading shell II is fixedly connected inside the connecting rod II, the photosensitive resistor II is fixedly connected inside the shading shell II, the light transmission hole II is formed in the surface of the shading shell, and the position and the specification of the light transmission hole II are matched with the speed adjusting rod II.

Preferably, the inside fixedly connected with connecting plate of box, connecting plate and limiting plate fixed connection for the limiting plate can not rotate along with the rotation of shell, thereby can realize slowing down power shaft slew velocity, spring one swing joint is in the inside of current variant, the inside fixedly connected with electricity post of limiting plate, electricity post swing joint is in the inside of current variant, the electric wire is with electricity post fixed connection, the current variant mainly comprises gypsum, lime, carbon powder and olive oil, the current variant is in solid state when the circular telegram, be in liquid when the outage, the elasticity coefficient value of spring two is greater than the elasticity coefficient value of spring one, make spring two more difficult to take place compression deformation than spring one.

Preferably, the response subassembly is mainly by the sleeve pipe, cup joint the pole, the balancing weight, the bar copper, the N utmost point, the S utmost point, five constitutions of spring, the inside fixedly connected with N utmost point of shell, the inside fixedly connected with S utmost point of shell, the inside fixedly connected with sleeve pipe of shell, sheathed tube outside swing joint has the pole of cup jointing, the outside fixedly connected with balancing weight of the pole of cup jointing, the inside fixed cup joint of balancing weight has the bar copper, the position of bar copper, the specification all with the N utmost point, the S utmost point matches, the inside fixedly connected with spring of shell is five, can in time send signal slow down the slew velocity of power shaft when the slew velocity of power shaft surpasss normal range, thereby the slew velocity of power shaft has been avoided resulting in the unable normal work of conveyer at the excessive speed.

Preferably, the electric wire, the first photoresistor, the second photoresistor, the electromagnet, the copper bar and the external power supply are all electrically connected with the control center, the electric wire is electrically connected with the external power supply, and the electric connecting column is electrically connected with the electric wire.

(III) advantageous effects

Compared with the prior art, the invention provides a speed regulating mechanism of a belt conveyor for an automatic production line, which has the following beneficial effects:

1. this automatic change band conveyer speed adjusting mechanism for production line, through the pivot, the response subassembly, the limiting plate, the electric wire, the electrorheological body, spring one, the movable block, spring two, the speed reduction board, interact between the movable rod, can carry out timely speed reduction processing to the pivot when the slew velocity of pivot exceedes normal range, thereby avoided motor current to transship or some other reasons to lead to the rotational speed of pivot to lead to the fact the unable normal work of band conveyer and to lead to the fact the condition emergence of health injury to the staff too fast, and then accord with actual conditions's use more.

2. This automatic change band conveyer speed adjusting mechanism for production line, through spacing subassembly, rack one, rack two, photosensitive assembly one, photosensitive assembly two, spring three, the interact of connecting rod, can reset in other speed adjusting rod can be synchronous when the user adjusts a speed adjusting rod, thereby avoided two speed adjusting rods to be in the unable normal condition emergence of going on of rotation that the speed governing state leads to the output shaft simultaneously, the security when also making speed adjusting mechanism use simultaneously improves greatly.

Drawings

FIG. 1 is a schematic view of the internal structure of the case according to the present invention;

FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic view of the internal structure of the housing of the present invention;

FIG. 4 is an enlarged view of the invention at B of FIG. 3;

FIG. 5 is an enlarged view of the invention at C in FIG. 3.

In the figure: 1. a box body; 2. a power shaft; 3. a housing; 4. an inductive component; 5. a limiting plate; 6. an electrorheological fluid; 7. a first spring; 8. a movable block; 9. an electric wire; 10. a second spring; 11. a movable rod; 12. a speed reduction plate; 13. a first connecting rod; 14. a first rack; 15. a third spring; 16. a first photosensitive component; 17. a second connecting rod; 18. a second rack; 19. a limiting component; 20. and a second photosensitive component.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a speed adjusting mechanism of a belt conveyor for an automatic production line comprises a box body 1, a power shaft 2 is movably connected inside the box body 1, a housing 3 is fixedly connected outside the power shaft 2, a sensing component 4 is movably connected inside the housing 3, the sensing component 4 mainly comprises a sleeve, a sleeve rod, a balancing weight, a copper rod, an N pole, an S pole and a spring five, the N pole is fixedly connected inside the housing 3, the S pole is fixedly connected inside the housing 3, the sleeve rod is movably connected outside the sleeve, the balancing weight is fixedly connected outside the sleeve rod, the copper rod is fixedly sleeved inside the balancing weight, the position and the specification of the copper rod are matched with the N pole and the S pole, the spring five is fixedly connected inside the housing 3, and can timely send a signal to slow down the rotation speed of the power shaft 2 when the rotation speed of the power shaft 2 exceeds a normal range, thereby avoided the slew velocity of power shaft 2 too fast to lead to the unable normal work of conveyer, when power shaft 2 was in normal rotational speed within range, the centrifugal force value of balancing weight was less than the elastic force value of five springs, and when the rotational speed of power shaft 2 exceeded normal rotational speed within range, the centrifugal force value of balancing weight was greater than the elastic force value of five springs, and the balancing weight is made by insulating material.

The inner part of the shell 3 is movably connected with a limiting plate 5, the inner part of the limiting plate 5 is movably connected with an electrorheological body 6, the inner part of the limiting plate 5 is movably connected with a spring I7, the inner part of the limiting plate 5 is movably connected with a movable block 8, the inner part of the limiting plate 5 is fixedly connected with an electric wire 9, the electric wire 9, a photo resistor I, a photo resistor II, an electromagnet, a copper bar and an external power supply are electrically connected with a control center, the electric wire 9 is electrically connected with the external power supply, an electric connection post is electrically connected with the electric wire 9, the inner part of the shell 3 is movably connected with a spring II 10, the inner part of the box body 1 is fixedly connected with a connecting plate, the connecting plate is fixedly connected with the limiting plate 5, so that the limiting plate 5 cannot rotate along with the rotation of the shell 3, the rotation speed of the power shaft 2 can be reduced, the spring I7 is movably connected inside the electrorheological body 6, and the inner part of the limiting plate 5 is fixedly connected with the electric connection post, the current connection column is movably connected inside the current variant 6, the electric wire 9 is fixedly connected with the current connection column, the current variant 6 mainly comprises gypsum, lime, carbon powder and olive oil, the current variant 6 is in a solid state when being electrified and is in a liquid state when being powered off, and the elasticity coefficient value of the spring II 10 is larger than that of the spring I7, so that the spring II 10 is less prone to compression deformation than the spring I7.

The inner part of the shell 3 is movably connected with a movable rod 11, the outer part of the movable rod 11 is fixedly connected with a speed reducing plate 12, the inner part of the box body 1 is movably connected with a first connecting rod 13, the outer part of the first connecting rod 13 is fixedly connected with a first rack 14, the outer part of the first connecting rod 13 is fixedly connected with a third spring 15, the inner part of the first connecting rod 13 is fixedly connected with a first photosensitive assembly 16, the inner part of the box body 1 is movably connected with a second connecting rod 17, the outer part of the second connecting rod 17 is fixedly connected with a second rack 18, the outer part of the second rack 18 is movably connected with a limiting assembly 19, the number of the limiting assemblies 19 and the number of the third springs 15 are four, the first connecting rod 13, the second rack 14, the second rack 18, the first photosensitive assembly 16 and the second photosensitive assembly 20 are respectively two, one limiting assembly 19, the first connecting rod 13, the first photosensitive assembly 16, the third spring 15 and the first rack 14 form a first control assembly, a limit component 19, a connecting rod II 17, a photosensitive component II 20, a spring III 15 and a rack II 18 form a control component II, the number of the control component I and the control component II is two, the interior of the box body 1 is movably connected with a speed regulating rod I, the interior of the box body 1 is movably connected with a speed regulating rod II, the position and the specification of the control component I are matched with the speed regulating rod I, the position and the specification of the control component II are matched with the speed regulating rod II, the limit component 19 mainly comprises a gear, a ratchet wheel, a rotating rod, a clamping rod, a short column, a spring IV and an electromagnet, the interior of the box body 1 is movably connected with the rotating rod, the gear is fixedly sleeved outside the rotating rod, the ratchet wheel is fixedly sleeved outside the rotating rod, the pull rod is movably connected outside the ratchet wheel, the spring IV is fixedly connected outside the clamping rod, and the electromagnet is fixedly connected outside the spring IV, the electromagnet is fixedly connected with the box body 1, the outside of the clamping rod is movably connected with a short column, the four gears are respectively meshed with the two first racks 14 and the two second racks 18, and the clamping rod is made of a metal iron material.

The inside fixedly connected with photosensitive element two 20 of connecting rod two 17, photosensitive element one 16 mainly is by shading shell one, photo resistance one, the light trap is constituteed, the inside fixedly connected with shading shell one of connecting rod one 13, the inside fixedly connected with photo resistance one of shading shell one, the light trap one has been seted up on the surface of shading shell, the position of light trap one, specification and governor lever phase-match, photosensitive element two 20 mainly is by shading shell two, photo resistance two, the light trap is constituteed, the inside fixedly connected with shading shell two of connecting rod two 17, the inside fixedly connected with photo resistance two of shading shell two, the light trap two has been seted up on the surface of shading shell, the position of light trap two, the specification all matches with governor lever two.

The working principle is as follows: when the input current of the speed regulating mechanism is overlarge suddenly in the operation process or the rotating speed of the power shaft 2 exceeds the normal rotating speed range due to misoperation of an operator, the centrifugal force value of the balancing weight is larger than the elastic force value of the spring five, at the moment, the balancing weight moves outwards and drives the copper rod to cut the magnetic induction line between the N pole and the S pole, current is generated in the copper rod, so that the control center controls the external power supply to electrify the electric wire 9, the electric wire 9 is electrified to electrify the electric connection post, the electric connection post is electrified to electrify the current variant 6, the electrified current variant 6 is changed into a solid state, the spring I7 cannot be compressed, the movable block 8 cannot move, the rotation of the power shaft 2 can drive the shell 3 to rotate, the shell 3 can drive the speed reducing plate 12 to rotate, and when the speed reducing plate 12 rotates to be contacted with the movable block 8, the spring II 10 can be compressed to a smaller degree, make the space that slows down board 12 can follow movable block 8 and pass through, also make the frictional force increase between the contact surface of slowing down board 12 and movable block 8 simultaneously, and then can play certain deceleration to power shaft 2 for the slew velocity of power shaft 2 reduces gradually.

When a user uses the second speed adjusting rod to adjust speed, the second speed adjusting rod is pushed, the second speed adjusting rod moves to drive the second connecting rod 17 to move, the second connecting rod 17 moves to drive the second rack 18 to move, the second rack 18 moves to drive the third spring 15 to compress, meanwhile, the third spring 15 is kept in a compressed state under the action of the ratchet wheel and the clamping rod, when the first speed adjusting rod is reused to adjust the rotation speed of the power shaft 2, the first speed adjusting rod moves to be separated from the first connecting rod 13, at the moment, the first photoresistor can receive external light and the intensity of the received light is increased, the resistance value of the first photoresistor is reduced, the passing current is increased, so that the control center controls the external power supply to stop electrifying the electromagnet matched with the first speed adjusting rod, and controls the external power supply to cut off the electromagnet matched with the second speed adjusting rod, and after the electromagnet matched with the first speed adjusting rod is cut off, the second speed adjusting rod returns to be in contact with the ratchet wheel under the action of the resilience force of the spring four springs, therefore, after the first speed regulating rod regulates speed, automatic reset can not be carried out under the action of resilience force of the third spring 15, after the electromagnet matched with the second speed regulating rod is electrified, the electromagnet can drive the clamping rod to rotate and separate from the ratchet wheel, and under the action of resilience force of the third spring 15, the second connecting rod 17 moves and drives the second speed regulating rod to move and reset, so that the situation that the two speed regulating rods are in a speed regulating state simultaneously to cause the abnormal operation of a speed regulating mechanism is avoided.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic change band conveyer speed adjustment mechanism for production line, includes box (1), its characterized in that: the box body is characterized in that a power shaft (2) is movably connected inside the box body (1), a shell (3) is fixedly connected outside the power shaft (2), an induction component (4) is movably connected inside the shell (3), a limiting plate (5) is movably connected inside the shell (3), an electrorheological body (6) is movably connected inside the limiting plate (5), a first spring (7) is movably connected inside the limiting plate (5), a movable block (8) is movably connected inside the limiting plate (5), an electric wire (9) is fixedly connected inside the limiting plate (5), a second spring (10) is movably connected inside the shell (3), a movable rod (11) is movably connected inside the shell (3), a speed reducing plate (12) is fixedly connected outside the movable rod (11), a first connecting rod (13) is movably connected inside the box body (1), and a first rack (14) is fixedly connected outside the first connecting rod (13), the connecting device comprises a first connecting rod (13), a third spring (15) fixedly connected to the outer portion of the first connecting rod (13), a first photosensitive assembly (16) fixedly connected to the inner portion of the first connecting rod (13), a second connecting rod (17) movably connected to the inner portion of the box body (1), a second rack (18) fixedly connected to the outer portion of the second connecting rod (17), a limiting assembly (19) movably connected to the outer portion of the second rack (18), and a second photosensitive assembly (20) fixedly connected to the inner portion of the second connecting rod (17).

2. The speed regulating mechanism of the belt conveyor for the automatic production line according to claim 1, wherein: the number of the limiting assemblies (19) and the number of the springs III (15) are four, the number of the connecting rods I (13), the connecting rods II (17), the racks I (14), the racks II (18), the photosensitive assemblies I (16) and the photosensitive assemblies II (20) is two, one limiting assembly (19), one connecting rod I (13), one photosensitive assembly I (16), one spring III (15) and one rack I (14) form one control assembly I, one limiting assembly (19), one connecting rod II (17), one photosensitive assembly II (20), one spring III (15) and one rack II (18) form one control assembly II, the number of the control assembly I and the number of the control assembly II are two, the speed regulating rod I is movably connected inside the box body (1), the speed regulating rod II is movably connected inside the box body (1), the position of the control assembly I, the position of the speed regulating rod II and the position of the control assembly II are connected, The specification of the control assembly II is matched with that of the first speed regulating rod, and the position and the specification of the control assembly II are matched with that of the second speed regulating rod.

3. The speed regulating mechanism of the belt conveyor for the automatic production line according to claim 2, wherein: spacing subassembly (19) mainly by the gear, the ratchet, the dwang, the kelly, the short column, the spring is four, the electro-magnet is constituteed, the inside swing joint of box (1) has the dwang, the outside fixed cover of dwang has connect the gear, the outside fixed cover of dwang has the ratchet, the outside swing joint of ratchet has the kelly, the outside fixedly connected with spring of kelly is four, the outside fixedly connected with electro-magnet of spring four, electro-magnet and box (1) fixed connection, the outside swing joint of kelly has the short column, four gears respectively with two rack one (14) and two rack two (18) meshing, the kelly is made by metal iron material.

4. The speed regulating mechanism of the belt conveyor for the automatic production line according to claim 3, wherein: photosensitive element (16) mainly comprises shading shell one, photo resistance one, light trap one, and the inside fixedly connected with shading shell one of connecting rod one (13), and the inside fixedly connected with photo resistance one of shading shell one has seted up light trap one on the surface of shading shell, and the position, the specification and the first phase-match of speed adjusting lever of light trap one, photosensitive element two (20) mainly comprises shading shell two, photo resistance two, light trap two, and the inside fixedly connected with shading shell two of connecting rod two (17), and the inside fixedly connected with photo resistance two of shading shell two has seted up light trap two on the surface of shading shell, and the position, the specification of light trap two all match with speed adjusting lever two.

5. The speed regulating mechanism of the belt conveyor for the automatic production line according to claim 4, wherein: the inside fixedly connected with connecting plate of box (1), connecting plate and limiting plate (5) fixed connection, spring (7) swing joint is in the inside of current variant (6), the inside fixedly connected with electric connection post of limiting plate (5), electric connection post swing joint is in the inside of current variant (6), electric wire (9) and electric connection post fixed connection, current variant (6) mainly comprise gypsum, lime, carbon powder and olive oil, the elasticity coefficient value of spring two (10) is greater than the elasticity coefficient value of spring (7).

6. The speed regulating mechanism of the belt conveyor for the automatic production line according to claim 5, wherein: response subassembly (4) mainly by the sleeve pipe, cup joint the pole, the balancing weight, the bar copper, the N utmost point, the S utmost point, five constitutions of spring, the inside fixedly connected with N utmost point of shell (3), the inside fixedly connected with S utmost point of shell (3), the inside fixedly connected with sleeve pipe of shell (3), sheathed tube outside swing joint has the pole of cup jointing, the outside fixedly connected with balancing weight of the pole of cup jointing, the inside fixed cover of balancing weight has cup jointed the bar copper, the position of bar copper, the specification all with the N utmost point, the S utmost point matches, the inside fixedly connected with spring of shell (3) is five.

7. The speed regulating mechanism of the belt conveyor for the automatic production line according to claim 6, wherein: the electric wire (9), the first photoresistor, the second photoresistor, the electromagnet, the copper bar and the external power supply are all electrically connected with the control center, the electric wire (9) is electrically connected with the external power supply, and the electric connecting column is electrically connected with the electric wire (9).