CN211778795U

CN211778795U - Motor transmission structure of brush grinding machine

Info

Publication number: CN211778795U
Application number: CN202020289634.4U
Authority: CN
Inventors: 高亚松
Original assignee: Dongguan Hongren Automation Equipment Technology Co ltd
Current assignee: Dongguan Hongren Automation Equipment Technology Co ltd
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-10-27
Anticipated expiration: 2030-03-10

Abstract

The utility model relates to a motor drive structure of brush machine, follow the drive assembly of the grinding roller of rotation connection in the brush machine frame including driving motor and connection driving motor, drive assembly is including fixing at the epaxial action wheel of driving motor output, fixing on the grinding roller from the driving wheel and around establishing at the action wheel, from the driving belt on the driving wheel, the action wheel is located from the driving wheel below, still including setting up the motor coupling assembling in the frame bottom, motor coupling assembling includes the connecting block and fixes the mount in brush machine frame bottom, connecting block swing joint is on the mount, driving motor installs on the connecting block. The utility model discloses have the effect that can prevent the drive belt after the drawing from droing from the band pulley.

Description

Motor transmission structure of brush grinding machine

Technical Field

The utility model belongs to the technical field of the technique of scrubbing machine and specifically relates to a motor drive structure of scrubbing machine is related to.

Background

At present, in the production process of a circuit board, in order to remove dirt and burrs on the surface of the circuit board, the surface of the circuit board needs to be brushed, and the brushing on the surface of the circuit board is usually realized by a brushing machine.

Referring to fig. 1, the conventional brushing machine includes a frame 2, a brushing assembly is provided on the frame 2, the brushing assembly includes a brushing roller 21 and a matching roller 22 rotatably connected to the frame 2, a plurality of bristles for brushing a circuit board are densely provided on the brushing roller 21, the brushing roller 21 and the matching roller 22 are vertically spaced, a set of brushing assemblies includes a brushing roller 21 and a matching roller 22, the grinding and brushing machine is characterized in that a plurality of groups of grinding and brushing assemblies are often arranged on the existing grinding and brushing machine, two grinding and brushing rollers 21 in two adjacent groups of grinding and brushing assemblies are vertically arranged at intervals, two matching rollers 22 are vertically arranged at intervals, a driving motor 1 is fixedly arranged at the bottom of the frame 2, one group of grinding and brushing rollers 21 in two adjacent groups of grinding and brushing assemblies are aligned to the other group of matching rollers 22, the two driving motors 1 respectively drive the two grinding and brushing rollers 21 to rotate through belt transmission, and the rotating directions of the two grinding and brushing rollers 21 are opposite.

When the circuit board is ground and brushed, an operator places the circuit board between the grinding roller 21 and the matching roller 22 in one group of grinding and brushing assemblies, the grinding roller 21 rotates to drive the circuit board to move to the next group of grinding and brushing assemblies, the matching roller 22 and the grinding roller 21 synchronously clamp the circuit board to enable the circuit board to be stably transported, and the grinding roller 21 in the multiple groups of grinding and brushing assemblies is used for grinding the top surface and the bottom surface of the circuit board while transmitting the circuit board.

The above prior art solutions have the following drawbacks: the grinding roller is driven to rotate through belt transmission on the existing grinding and brushing machine, so that the transmission belt for realizing the belt transmission is easy to stretch after being used for a long time and fall off from a belt wheel, and the normal use of the grinding and brushing machine is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a motor drive structure of brushing machine, has the advantage that can prevent that the drive belt after the drawing from droing from the band pulley.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a motor drive structure of scrubbing machine, includes driving motor and connects driving motor and follows the transmission assembly who rotates the grinding roller of connection in the scrubbing machine frame, transmission assembly is including fixing the action wheel in driving motor output shaft, fixing on the scrubbing roller from the driving wheel and around establishing at the action wheel, from the driving belt on the driving wheel, the action wheel is located from the driving wheel below, still including setting up the motor coupling assembling in the frame bottom, motor coupling assembling includes the connecting block and fixes the mount in scrubbing machine frame bottom, connecting block swing joint is on the mount, driving motor installs on the connecting block.

Through adopting above-mentioned technical scheme, take place moulding tensile deformation when the drive belt uses for a long time, drive belt length increases, swing joint makes driving motor on the connecting block can drive the connecting block activity under self gravity at the connecting block on the mount, driving motor drives the action wheel through self gravity and pushes down, thereby make the drive belt that takes place tensile deformation keep the tensioning, prevent that the drive belt after the drawing from the action wheel, drop from the driving wheel, and can make still can use a period after the moulding tensile deformation of drive belt, the change to the drive belt has been reduced, the processing cost has been practiced thrift.

The present invention may be further configured in a preferred embodiment as: one side of the connecting block is hinged on the fixing frame.

Through adopting above-mentioned technical scheme, connecting block one side is articulated in order to realize the swing joint of connecting block and mount, the opposite side is unsettled, when the drive belt around establishing at the action wheel with from the driving wheel on, the tensioning under driving motor's action of gravity, when the drive belt uses for a long time and takes place moulding tensile deformation, the connecting block upset under driving motor's action of gravity, the drive belt lasts and keeps the tensioning under driving motor's action of gravity, prevent that the drive belt after the drawing from the action wheel, drop from the driving wheel, and can make still can use a period of time after the moulding tensile deformation of drive belt, the change to the drive belt has been reduced, the processing cost has been practiced thrift.

The present invention may be further configured in a preferred embodiment as: the connecting block is vertically connected with the fixing frame in a sliding manner.

Through adopting above-mentioned technical scheme, the swing joint of connecting block and mount is in order to realize connecting block and mount with the vertical sliding connection of mount, when the drive belt around establishing at the action wheel with from the driving wheel on, the tensioning of drive belt under driving motor's action of gravity, when the drive belt uses for a long time and takes place moulding tensile deformation, connecting block and driving motor move down under driving motor's action of gravity, the drive belt lasts and keeps the tensioning under driving motor's action of gravity, prevent that the drive belt after the drawing from the action wheel, drop from the driving wheel, and can make still can use a period after the moulding tensile deformation of drive belt, the change to the drive belt has been reduced, and the processing cost is saved.

The present invention may be further configured in a preferred embodiment as: the connecting block is arranged on both sides of the fixing frame.

Through adopting above-mentioned technical scheme, be provided with two sets of brush components in the brush mill frame, need rotate the drive to the brush roll in two sets of brush components, driving motor on the connecting block that the mount both sides set up has realized the rotation drive to two brush rolls, and two driving motor and two connecting block settings make mount both sides atress be close balanced in the mount both sides, prevent that the mount from to a lateral buckling and influencing the normal upset or the slip of connecting block when mount only one side atress.

The present invention may be further configured in a preferred embodiment as: the interval between one side of keeping away from the mount on the connecting block, the one side of articulating on the mount is less than the interval between the pin joint of connecting block, mount and the mill brush machine frame bottom upper surface.

Through adopting above-mentioned technical scheme, prevented that the connecting block from taking place the butt with the scrubbing machine frame when overturning downwards, the sufficient distance of pin joint distance scrubbing machine frame bottom upper surface of connecting block and mount provides sufficient space for the upset of connecting block, has further prolonged the live time of drive belt, has reduced the change to the drive belt, has practiced thrift the processing cost.

The present invention may be further configured in a preferred embodiment as: the fixing frame comprises a fixing portion and a protruding portion, the fixing portion is fixed to the bottom of the frame of the grinding and brushing machine, the protruding portion is fixed to the fixing portion, a connecting shaft is fixed to the end portion of the connecting block, and the connecting shaft is rotatably connected with the protruding portion.

Through adopting above-mentioned technical scheme, be connected the articulated of having realized connecting block and mount through the rotation of connecting axle and bellying, the setting of bellying has avoided the connecting block to pass through the upset of connecting axle restriction connecting block when direct hinge on the fixed part, the rotation angle of connecting block has been increaseed, when the initial length of drive belt is less, thereby the operator can upwards overturn the connecting block and reduce the distance between action wheel and the band pulley, usable drive belt length's scope on the mill brush machine has been increased, and when the drive belt takes place moulding tensile deformation because long-term the use, under driving motor's action of gravity, the connecting block is earlier downwards upset to the level, resume downward upset again, but the time of drive belt normal use has been prolonged, the change of drive belt has been reduced, save cost.

The present invention may be further configured in a preferred embodiment as: the protruding part is detachably connected with the fixing part.

Through adopting above-mentioned technical scheme, when the installation connecting block, the operator can realize being connected of connecting axle and bellying earlier, again with bellying fixed mounting on the fixed part afterwards to realize being connected of connecting block and mount, convenient operation.

The present invention may be further configured in a preferred embodiment as: and a supporting piece is fixed at the bottom of the connecting block and is vertically matched with the fixing frame in a sliding manner.

Through adopting above-mentioned technical scheme, support piece supports the connecting block, avoids because its that driving motor weight is great and lead to is great to connecting block pressure, avoids the damage of connecting block and influences the normal operating of mill brush machine.

To sum up, the utility model discloses a following at least one useful technological effect:

1. when the transmission belt is used for a long time, the transmission belt is subjected to plastic tensile deformation, the length of the transmission belt is increased, and the driving motor drives the driving wheel to press downwards through self gravity, so that the transmission belt subjected to tensile deformation is kept tensioned, and the stretched transmission belt is prevented from falling off from the driving wheel and the driven wheel;

2. the transmission belt can still be used for a period of time after being subjected to shaping, stretching and deformation, so that the replacement of the transmission belt is reduced, and the processing cost is saved.

Drawings

FIG. 1 is a schematic view of a prior art brusher;

FIG. 2 is a schematic structural diagram according to the first embodiment;

FIG. 3 is a schematic structural diagram of a fixing frame and a connecting block in the first embodiment;

FIG. 4 is a schematic structural view of the second embodiment;

fig. 5 is a schematic structural view of the fixing frame and the connecting block in the second embodiment.

In the figure, 1, a motor is driven; 2. a frame; 21. grinding the roller; 22. a mating roller; 23. an extension shaft; 3. a fixed mount; 31. a fixed part; 32. a boss portion; 33. a chute; 4. connecting blocks; 41. a connecting plate; 42. a slider; 5. a driving wheel; 6. a driven wheel; 7. a transmission belt; 8. a connecting shaft; 9. and a support member.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 2, for the motor transmission structure of the brush grinder disclosed by the utility model, comprising a driving motor 1, a transmission assembly and a motor connecting assembly, a frame 2 of the brush grinder is arranged on the ground, the motor connecting assembly comprises a fixed mount 3 and a connecting block 4, the fixed mount 3 is fixed on the upper surface of the bottom of the frame 2, the connecting block 4 is a plate-shaped block hinged on the fixed mount 3, the driving motor 1 is fixedly arranged on the connecting block 4, the transmission assembly comprises a driving wheel 5, a driven wheel 6 and a driving belt 7, the driving wheel 5 is coaxially fixed with an output shaft of the driving motor 1, a brush roller 21 is rotatably connected on the frame 2, a plurality of brush hairs for grinding the surface of a circuit board are fixed on the cambered surface of the brush roller 21, a matching roller 22 vertically spaced from the brush roller 21 is rotatably connected on the frame 2, an extension shaft 23 is fixed on the, the driven wheel 6 is coaxially fixed with the extension shaft 23, the driven wheel 6 is coaxially fixed with the grinding brush roller 21 through coaxial fixation with the extension shaft 23, and the transmission belt 7 is wound on the driving wheel 5 and the driven wheel 6 to realize belt transmission.

Referring to fig. 2, a group of grinding and brushing assemblies is composed of one grinding and brushing roller 21 and one matching roller 22 which are vertically arranged at intervals, two groups of grinding and brushing assemblies are horizontally arranged on the frame 2 at intervals, two grinding and brushing rollers 21 in the two groups of grinding and brushing assemblies are vertically arranged at intervals, two matching rollers 22 are vertically arranged at intervals, and one group of grinding and brushing rollers 21 in the two groups of grinding and brushing assemblies are horizontally arranged to be aligned with the other group of matching rollers 22.

Referring to fig. 2 and 3, the fixing frame 3 includes a fixing portion 31 and a protrusion 32, the fixing portion 31 is in a rectangular block shape, the fixing portion 31 is fixed on the upper surface of the bottom of the frame 2, the fixing portion 31 is disposed at a side where the extension shaft 23 penetrates out of the frame 2, the protrusion 32 is in a rectangular block shape, the protrusion 32 is fixed on the side portion of the fixing portion 31 through a screw, two protrusions 32 are fixed on two side surfaces of the fixing portion 31, the connecting block 4 and the driving motor 1 are respectively disposed on two sides of the fixing portion 31, a connecting shaft 8 is fixed on one side of the connecting block 4, two ends of the connecting shaft 8 protrude out of two ends of the connecting block 4, the connecting shaft 8 penetrates through the protrusion 32 and is rotatably connected with the protrusion 32, a gap exists between the connecting shaft 8 and the side surface of the fixing portion 32, the connecting shaft 4 is hinged to the fixing frame 3 through the rotating connection of the connecting shaft 8 and the protrusion 32 The distance from the side of the connecting shaft 8.

The implementation principle of the embodiment is as follows: when the grinding and brushing machine is started, the output shafts of the driving motors 1 rotate, the rotating directions of the output shafts of the two driving motors 1 are opposite, so that the rotating directions of the two driving wheels 5 and the rotating direction of the transmission belt 7 are opposite, the rotating directions of the two grinding and brushing rollers 21 are opposite, the circuit board penetrates through a gap between the grinding and brushing rollers 21 and the matching roller 22, the circuit board is horizontally transported under the driving of the rotation of the grinding and brushing rollers 21, and meanwhile, the surface of the circuit board is ground and brushed by the bristles on the grinding and brushing rollers 21.

After the long-time use of scrubbing machine, drive belt 7 takes place the tensile deformation of plasticity, and driving motor 1 drives action wheel 5 through self gravity and pushes down, and connecting block 4 overturns downwards, and action wheel 5 and the interval between the follow driving wheel 6 increase, action wheel 5 and follow driving wheel 6 tensioning drive belt 7 again, and the scrubbing machine can continue normal operating.

Example two:

referring to fig. 4 and 5, for another electric motor transmission structure of a brushing machine disclosed in the present invention, the difference between the first embodiment and the second embodiment is that the specific linking mode of the connecting block 4 and the fixing frame 3 is different, and the specific structure of the fixing frame 3 is different.

Referring to fig. 4 and 5, mount 3 is a rectangular frame body, mount 3 is fixed at 2 bottom upper surfaces of frame, mount 3 sets up the one side department that extends axle 23 and wear out on frame 2, spout 33 has been seted up to mount 3 both sides, connecting block 4 includes connecting plate 41 and slider 42, slider 42 is T type piece, slider 42 is fixed in connecting plate 41 one side, slider 42 is fixed with two on connecting plate 41, spout 33 and slider 42 adaptation and the vertical sliding connection of slider 42 and spout 33, connecting plate 41 and the vertical sliding fit of mount 3, connecting plate 41 bottom is fixed with support piece 9, support piece 9 is triangle-shaped fast, support piece 9 and the vertical sliding fit of mount 3.

After the long-term use of the polishing and brushing machine, the transmission belt 7 is subjected to plastic tensile deformation, the driving motor 1 drives the driving wheel 5 to press down through self gravity, the connecting plate 41 and the sliding block 42 slide downwards, the distance between the driving wheel 5 and the driven wheel 6 is increased, the driving wheel 5 and the driven wheel 6 re-tension the transmission belt 7, and the polishing and brushing machine can continue to operate normally.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a motor drive structure of scrubbing machine, includes driving motor (1) and connects driving motor (1) to follow the transmission assembly who rotates grinding brush roller (21) of connection on scrubbing machine frame (2), transmission assembly is including fixing action wheel (5) on driving motor (1) output shaft, fixing on grinding brush roller (21) from driving wheel (6) and around establishing at action wheel (5), from drive belt (7) on driving wheel (6), action wheel (5) are located from driving wheel (6) below, its characterized in that: still including setting up the motor coupling assembling in frame (2) bottom, motor coupling assembling includes connecting block (4) and fixes mount (3) in mill brush machine frame (2) bottom, connecting block (4) swing joint is on mount (3), driving motor (1) is installed on connecting block (4).

2. The motor transmission structure of the brush grinding machine according to claim 1, characterized in that: one side of the connecting block (4) is hinged on the fixing frame (3).

3. The motor transmission structure of the brush grinding machine according to claim 1, characterized in that: the connecting block (4) is vertically connected with the fixing frame (3) in a sliding manner.

4. The motor transmission structure of the brush grinding machine according to claim 1, characterized in that: the connecting blocks (4) are arranged on two sides of the fixing frame (3).

5. The motor drive structure of a brush grinder of claim 2, characterized in that: the interval between one side of keeping away from mount (3) on connecting block (4), the one side of articulating on mount (3) is less than the interval between the pin joint of connecting block (4), mount (3) and the upper surface of mill brush machine frame (2) bottom.

6. The motor drive structure of a brush grinder of claim 2, characterized in that: the fixing frame (3) comprises a fixing portion (31) and a protruding portion (32), the fixing portion (31) is fixed to the bottom of the grinding and brushing machine frame (2), the protruding portion (32) is fixed to the fixing portion (31), a connecting shaft (8) is fixed to the end of the connecting block (4), and the connecting shaft (8) is rotatably connected with the protruding portion (32).

7. The motor transmission structure of the brush grinding machine according to claim 6, characterized in that: the protruding part (32) is detachably connected with the fixing part (31).

8. The motor transmission structure of the brush grinding machine according to claim 1, characterized in that: support piece (9) are fixed with to connecting block (4) bottom, support piece (9) and the vertical sliding fit of mount (3).