CN103770457B - Pump type scraper head corollary apparatus - Google Patents
Pump type scraper head corollary apparatus Download PDFInfo
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- CN103770457B CN103770457B CN201410005839.4A CN201410005839A CN103770457B CN 103770457 B CN103770457 B CN 103770457B CN 201410005839 A CN201410005839 A CN 201410005839A CN 103770457 B CN103770457 B CN 103770457B
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- scraper head
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- 230000009471 action Effects 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 16
- 230000007306 turnover Effects 0.000 claims description 6
- 239000006071 cream Substances 0.000 abstract description 82
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract description 81
- 238000001125 extrusion Methods 0.000 abstract description 6
- 239000000306 component Substances 0.000 description 72
- 229910000831 Steel Inorganic materials 0.000 description 17
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- 238000003825 pressing Methods 0.000 description 15
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- 230000006835 compression Effects 0.000 description 2
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- 230000035939 shock Effects 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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Abstract
The present invention relates to a kind of pump type scraper head corollary apparatus, comprising: for driving the first driven unit of the first depression bar elevating movement; For driving the second driven unit of the second depression bar elevating movement; For responding to the sensor cluster of first, second depression bar position signalling; And to be connected with sensor cluster and first, second driven unit to be played to the controller of control action.Also comprise the installation component for installing pump type scraper head and pump type scraper head level installed to the guidance set play the guiding role, and the even number damping be arranged in the first support component, described even number damping is divided into two groups, equivalent, is symmetrically distributed in the both sides of line centered by rotating shaft.The present invention can accurate Auto-mounting and control pump type scraper head, can realize automatically tin cream extruding being sprayed, accurately control the extrusion capacity of tin cream.
Description
Technical field
The present invention relates to pump type scraper head corollary apparatus.
Background technology
Printed substrate is the core component of the electronic product such as computer, household electrical appliance.When making printed substrate, the tin cream of half curdled appearance is printed on special PCB with certain pattern, can be mounted on the PCB after printing to make the electronic component such as semiconductor chip, resistance.The a series of actions be coated in by tin cream on pcb board adopts special equipment to complete, and this equipment is called as stencil printer.Tin cream is bitten on PCB by the specific aperture pattern be arranged on steel mesh by the scraper head of stencil printer, and the electronic components such as chip are then mounted on the PCB region being coated with tin cream.
In order to improve tin cream coating efficiency and improve coating effect, the applicant has invented pump type scraper head before this, and this pump type scraper head 10 to be installed on stencil printer and to be coated on steel mesh by tin cream.As shown in Figure 1, pump type scraper head 10 comprises following structure: the first cavity 13, second cavity 14, first pressing plate 15, first depression bar 11, second pressing plate 16, second depression bar 12, nozzle 18.Pump type scraper head 10 is divided in the first cavity 13 and the second cavity 14, two cavitys fills tin cream.First pressing plate 15 comes and goes elevating movement in the first cavity 13.First pressing plate 15 connects with the first depression bar 11, and the first depression bar 11 drives the first pressing plate 15 to the tin cream pressurization in the first cavity 13 by External Force Acting.Same, the second pressing plate 16 comes and goes elevating movement in the second cavity 14, and the second pressing plate 16 connects with the second depression bar 12, and the second depression bar 12 drives the second pressing plate 16 to the tin cream pressurization in the second cavity 14 by External Force Acting.When the first depression bar 11 and the second depression bar 12 repeatedly move up and down, the tin cream being contained in the first cavity 13 and the second cavity 14 is extruded, and is sprayed on steel mesh by nozzle 18.As shown in Figure 1, first, second depression bar alternately tin cream of extrusion packing in first, second cavity being sprayed on steel mesh, thus ensure the lasting supply of same quality tin cream, and reduce tin cream waste to greatest extent.
But inventor finds, not yet there is the ratio more comprehensive pump type scraper head corollary apparatus that can realize accurately control automatically to pump type scraper head at present.
Summary of the invention
In view of this, the invention provides a kind of pump type scraper head corollary apparatus that accurately automatically can control pump type scraper head.When to pcb board coating tin cream, use this pump type scraper head corollary apparatus, can realize automatically tin cream extruding being sprayed, accurately control the extrusion capacity of tin cream, and be filled in circuit pads position by steel mesh.
Object of the present invention is achieved through the following technical solutions: pump type scraper head corollary apparatus, comprising:
For driving the first driven unit of the first depression bar elevating movement;
For driving the second driven unit of the second depression bar elevating movement;
For responding to the sensor cluster of first, second depression bar position signalling;
And to be connected with sensor cluster and first, second driven unit to be played to the controller of control action.
Further, this pump type scraper head corollary apparatus also comprises the installation component for installing pump type scraper head and pump type scraper head level is installed to the guidance set play the guiding role.By arranging installation component and guidance set, pump type scraper head can be realized to be automatically installed on this corollary apparatus.
Described installation component comprises the pulley part be arranged on pump type scraper head, for installing the support component of first, second connecting plate, and to be arranged on support component and the track segment matched with pulley part described in both sides; The guiding driver element that described guidance set comprises installing plate and arranges on a mounting board, described guiding driver element comprise can with installing plate vertical direction on make the driver part of flexible alternating movement and be evenly distributed in the magnetic fixed part of driver part periphery, described driver part is connected with controller signals.
Particularly, described support component comprises the first support component be arranged at above the first connecting plate and the second connecting plate, and for installing the second support component of first, second driven unit; Second support component is connected with the first support component by a rotating shaft parallel with pump type scraper head moving direction; Described track segment is arranged at bottom the second support component.
Can control the motion in the horizontal direction of pump type scraper head easily to realize guidance set, pulley part is preferably arranged on two row's assembly pulleys at pump type scraper head top, and track segment is preferably the guide rail arranged assembly pulley and match for a pair and two.During installation, two row's assembly pulleys on pump type scraper head embed respectively in two guide rails and play guide effect.Two row's assembly pulleys are sleeved on after on guide rail, pump type scraper head can be arranged on pump type scraper head corollary apparatus, and fixing front permission pump type scraper head horizontal slip in guide rail.The stretching motion of guidance set can control being separated and compact siro spinning technology of pump type scraper head and installing plate; When the first connecting plate and the second connecting plate move downward and the first depression bar and the second depression bar respectively by first sensor and the second sensor sensing then, pump type scraper head will by connecting driver part and installing plate compact siro spinning technology, and the first depression bar and the second depression bar will enter in the first contiguous block and the second contiguous block respectively simultaneously.
More specifically, described first support component is the support transverse slat that bottom, side is provided with flange, support transverse slat to be horizontally disposed with in the plane parallel with pump type scraper head moving direction, described second support component is a support riser, described support riser is vertical with support transverse slat, and the top supporting riser is connected on the flange of support transverse slat by rotating shaft.
Above-mentioned first driven unit comprises the first connecting plate connected with the first depression bar, and for driving the first driver of the first connecting plate elevating movement; Described second driven unit comprises the second connecting plate connected with the second depression bar, and for driving the second driver of the second connecting plate elevating movement; Described sensor cluster comprise be arranged on the first connecting plate for respond to the first depression bar position signalling first sensor and be arranged on the second connecting plate for responding to the second sensor of the second depression bar position signalling.
Described first both sides, connecting plate bottom surface are respectively provided with the first contiguous block, first contiguous block is provided with the U-shaped draw-in groove that can hold the first depression bar level turnover, described second both sides, connecting plate bottom surface are respectively provided with the second contiguous block, and the second contiguous block is provided with the U-shaped draw-in groove that can hold the second depression bar level turnover.
During actual enforcement, the setting position of first, second contiguous block of first, second both sides, connecting plate bottom surface is distinguished corresponding with the first depression bar, the second depression bar, and first, second contiguous block cross section is L-shaped, the vertical edges of first, second contiguous block is connected with first, second connecting plate one, horizontal sides is then parallel with first, second connecting plate respectively, and described U-shaped draw-in groove arranges perpendicular with the first depression bar, the second depression bar respectively on the horizontal sides.The annular groove with U-shaped pocket matches is provided with on the surface at the first depression bar, the second depression bar, during plant running, annular groove on first depression bar, the second depression bar enters in U-shaped draw-in groove, then the first depression bar, the second depression bar snap in the first contiguous block, the second contiguous block respectively, when the first connecting plate, the second connecting plate move up and down, the first depression bar, the second depression bar will move up and down along with the first pressing plate, the second pressing plate.
The elevating movement that first, second driver is respectively first, second connecting plate provides driving force.In the present invention, the ball screw that first, second driver includes motor and is connected with motor, the ball screw of the first driver is connected with the first connecting plate, and the ball-screw of the second driver is connected with the second connecting plate.But when practical application, the structure of first, second driver is not limited thereto, air cylinder driven or other linear driving mechanism can also be adopted to replace motor.
During installation, be arranged on first sensor on the first connecting plate for responding to the position signalling of the first depression bar, when pulley part is embedded into track segment, the first contiguous block on first connecting plate and the annular groove on the first depression bar are on differing heights, and therefore the first depression bar can not be connected with the first contiguous block.After the first driver drives first connecting plate moves downward, when the tail end of first sensor and the first depression bar moves in the induction range of first sensor, first sensor senses the first depression bar, and controller controls the first driver and stops action.Now, the first contiguous block of the first connecting plate and the annular groove of the first depression bar are adjusted to sustained height.In like manner, be arranged on the second sensor on the second connecting plate for responding to the position signalling of the second depression bar, when pump type scraper head is arranged on this corollary apparatus, the second contiguous block on second connecting plate and the annular groove on the second depression bar are on differing heights, and therefore the second depression bar can not be connected with the second contiguous block.After the second driver drives second connecting plate moves downward, when the tail end of the second sensor and the second depression bar moves in the induction range of the second sensor, the second sensor sensing is to the second depression bar, and controller controls the second driver and stops action.Now, the second contiguous block of the second connecting plate and the annular groove of the second depression bar are adjusted to sustained height, so far complete installation action.
In order to realize the accurate control to this corollary apparatus, thus realize controlling the exact automatic of pump type scraper head tin cream extrusion capacity, the sensor assembly also comprises the 3rd sensor being arranged on and locating above the U-shaped draw-in groove correspondence of the first contiguous block on the first connecting plate, and is arranged on the four-sensor that the U-shaped draw-in groove correspondence of the second contiguous block on the second connecting plate is located.3rd sensor is for responding to the position signalling of the first depression bar, four-sensor for responding to the position signalling of the second depression bar.The course of work utilizing this corollary apparatus to control pump type scraper head is as follows: promote tin cream when the first depression bar moves downward and up promoted until after being sensed by four-sensor in direction by the second depression bar, second connecting plate just can move upward and to be separated with four-sensor, and the second depression bar just can continue to move upward.Promote tin cream when the second depression bar moves downward and up promoted until after being arrived by the 3rd sensor sensing in direction by the first depression bar, the first connecting plate just can move upward and to be separated with the 3rd sensor, and the first depression bar just can continue to move upward.
Compared to first sensor, 3rd sensor is equally for responding to the position signalling of the first depression bar, difference is, locates above the U-shaped draw-in groove correspondence that the 3rd sensor is installed in the first contiguous block on the first connecting plate, also the i.e. junction of the first connecting block on the first depression bar and the first connecting plate.Similarly, compared to the second sensor, four-sensor is also for responding to the second depression bar, and difference is, the U-shaped draw-in groove correspondence that four-sensor is installed in the second contiguous block on the second connecting plate is located, also the i.e. junction of the second contiguous block on the second depression bar and the second connecting plate.
In addition, the 3rd sensor and four-sensor, also for waiting for that enough pressure is reached first, second depression bar by tin cream, maintain the uniformity of tin cream pressure in pump type scraper head thus, impel and are sprayed onto outside tin cream amount uniformity.
During actual enforcement, first sensor and the 3rd sensor are along the movement line linear array of pump type scraper head, second sensor and four-sensor are along the movement line linear array of pump type scraper head, and first sensor and the 3rd sensor form the straight line parallel that straight line and the second sensor and four-sensor are formed.
This device is equipped with by arranging sensor cluster, and connect the depression bar in pump type scraper head by driver, sensor cluster is for responding to the depression bar of pump type scraper head, depression bar is connected with driver, thus the automation realizing pump type scraper head is installed, and make moving up and down of depression bar be easy to control, thus effectively control pump type scraper head and two different cavitys, continual and steady for the tin cream in pump type scraper head is sprayed on steel mesh.And controller, then can receive the induced signal of the first depression bar and the second depression bar passed back by first sensor and the second sensor, and control the first driver and the second driver stop motion, control reciprocating guiding parts and move to retraction direction.After controller receives the code device signal of the first driver and the second driver, by determining that the first depression bar and the second depression bar shift position calculate the tin cream amount be filled in pump type scraper head, realize controlling the exact automatic of tin cream amount of compression.
In addition, controller, except the induced signal by collecting sensor assembly, controls the action of the first driven unit and the second driven unit, realizes the automatic operation to tin cream extruding and accurately control.The code signal also sent by the motor of the first driver and the second driver accurately calculates the tin cream amount in pump type scraper head.The code signal sent based on driver can calculate the surplus of tin cream in pump type scraper head, thus can control the tin cream amount that outside tin cream container supplies to pump type scraper head easily.
First driver of above-mentioned first driven unit is arranged on the second support component side, and the second driver of the second driven unit is arranged on the opposite side of the second support component, and first, second driver is isolated by the first support component.More specifically, first, second driver described is fixed on the second support component both sides respectively by installing rack.
Above-mentioned driver part can adopt the piston rod of the piston rod of cylinder or other and cylinder to possess identity function and have sufficient length, and can be connected the rod unit moved reciprocatingly with other linear actuating devices.Magnetic fixed part then can adopt magnet or other magnetic material to make, its shape can set according to actual needs, and magnetic fixed part can be attached to installing plate surface, can also be embedded in installing plate, but as preferred, magnetic fixed part is that cylindrical magnetic stripe is so that be embedded in installing plate.Utilize the magnetic pull of magnetic fixed part, pump type scraper head adopt magnetic metal material make, can by pump type scraper head inhale to installing plate so that pump type scraper head can with installing plate close contact.
In practical operation, installing plate can be equipped with at least one driver part and multiple magnetic fixed part, and multiple magnetic fixed part can independently be arranged on driver part periphery.Wherein, the quantity of magnetic fixed part is preferably four, and two be one group, linear array is in driver part both sides symmetrically.
Owing to arranging driver part and magnetic fixed part for making pump type scraper head and installing plate close contact, thus realize connecting between pressing plate with depression bar, be conducive to the overall structure simplifying depression bar and pump type scraper head corollary apparatus, alleviate the weight of pump type scraper head corollary apparatus, be conducive to the lighting of device.
The present inventor finds through research, by arranging damping, effectively can slowing down because producing collision belt when the second support component rotates with the first support component to the vibrations of second parts, being conducive to raising homework precision and security.Therefore, this pump type scraper head corollary apparatus also comprises the even number damping be arranged in the first support component, and described even number damping is divided into two groups, equivalent, is symmetrically distributed in the both sides of line centered by rotating shaft.Described damping can for conventional shock absorber, and the such as elastic component such as air cushion absorber, shell fragment spring, described damping one end is embedded in the first support component, and the other end contacts with the second support component end face.
Owing to being connected by rotating shaft between the first support component with the second support component, and be provided with damping, on the one hand pump type scraper head can be swung, produce collision belt when on the other hand the second support component rotates suitably to be eliminated by damping to the vibrations of second parts with the first support component, pump type scraper head and steel mesh keeping parallelism always can be made thus.
The present invention, compared to prior art, has following beneficial effect:
1, the present invention is only made up of skeleton symbol parts such as driven unit, sensor cluster, controllers, structure is simple, light, cost of manufacture is low, easily implement, accurately can automatically control pump type scraper head, by using this pump type scraper head corollary apparatus, can realize simply automatically tin cream extruding being sprayed, the extrusion capacity of accurate control tin cream, and be filled in circuit pads position by steel mesh.
2, the present invention is owing to arranging driver part and magnetic fixed part for making pump type scraper head and installing plate close contact, thus realize connecting between pressing plate with depression bar, be conducive to the overall structure simplifying depression bar and pump type scraper head corollary apparatus, alleviate the weight of pump type scraper head corollary apparatus, be conducive to the lighting of device.
3, this device is equipped with by arranging sensor cluster, and connect the depression bar in pump type scraper head by driver, sensor cluster is for responding to the depression bar of pump type scraper head, depression bar is connected with driver, thus the automation realizing pump type scraper head is installed, and make moving up and down of depression bar be easy to control, thus effectively control pump type scraper head and two different cavitys, continual and steady for the tin cream in pump type scraper head is sprayed on steel mesh.In addition, the 3rd sensor and four-sensor, also for waiting for that enough pressure is reached first, second depression bar by tin cream, maintain the uniformity of tin cream pressure in pump type scraper head thus, impel and are sprayed onto outside tin cream amount uniformity.
4, the present invention is by the Automated condtrol of controller realization to device, and controller, by the induced signal of collecting sensor assembly, controls the action of the first driven unit and the second driven unit, realizes the automatic operation to tin cream extruding and accurately control.In addition, the code signal that controller also sends by the motor of the first driver and the second driver accurately calculates the tin cream amount in pump type scraper head.The code signal sent based on driver can calculate the surplus of tin cream in pump type scraper head, thus can control the tin cream amount that outside tin cream container supplies to pump type scraper head easily.
5, the present invention first support component is connected by rotating shaft with between the second support component, and be provided with damping, on the one hand pump type scraper head can be swung, produce collision belt when on the other hand the second support component rotates suitably to be eliminated by damping to the vibrations of second parts with the first support component, pump type scraper head and steel mesh keeping parallelism always can be made thus, realize remarkable tin cream coating effect.
6, by technical scheme of the present invention, pump type scraper head can be made and realize automation between corollary apparatus and be connected, and be easy to control the tin cream amount that outside tin cream container supplies to pump type scraper head.
Accompanying drawing explanation
Fig. 1 is pump type scraper head schematic cross-section;
Fig. 2 is embodiment of the present invention pump type scraper head corollary apparatus structural representation;
Fig. 3 is embodiment of the present invention pump type scraper head corollary apparatus front view;
Fig. 4 is embodiment of the present invention pump type scraper head corollary apparatus side view;
Fig. 5 is the first connecting plate and the second connecting board structure schematic diagram in inventive embodiments pump type scraper head corollary apparatus;
Fig. 6 to 8 is the operating principle schematic diagram of embodiment of the present invention pump type scraper head corollary apparatus;
Fig. 9 is the schematic diagram of the second support component rotary motion in embodiment of the present invention pump type scraper head corollary apparatus.
Detailed description of the invention
The present invention to be described in further detail below in conjunction with accompanying drawing and embodiment for the ease of it will be appreciated by those skilled in the art that:
As shown in figs. 2-9, present invention is disclosed a kind of pump type scraper head corollary apparatus that accurately automatically can control pump type scraper head 10.When to pcb board coating tin cream, by using this pump type scraper head corollary apparatus, can realize automatically tin cream extruding being sprayed, and being filled in circuit pads position by steel mesh.
With reference to Fig. 2, this pump type scraper head corollary apparatus, comprising:
For driving the first driven unit of the first depression bar elevating movement;
For driving the second driven unit of the second depression bar elevating movement;
For responding to the sensor cluster of first, second depression bar position signalling;
And to be connected with sensor cluster and first, second driven unit to be played to the controller of control action.
In the present embodiment, the first driven unit comprises the first connecting plate 111 connected with the first depression bar 11, and for driving the first driver 112 of the first connecting plate elevating movement; Second driven unit comprises the second connecting plate 121 connected with the second depression bar, and for driving the second driver 122 of the first connecting plate elevating movement; Sensor cluster comprises and being arranged on the first connecting plate for responding to the first sensor 130 of the first depression bar position signalling and being arranged on the second connecting plate for responding to the second sensor 140 of the second depression bar position signalling.
First both sides, connecting plate 111 bottom surface is respectively provided with the first contiguous block 113, first contiguous block is provided with the U-shaped draw-in groove that can hold the first depression bar level turnover, second both sides, connecting plate 121 bottom surface is respectively provided with the second contiguous block 123, second contiguous block and is provided with the U-shaped draw-in groove that can hold the second depression bar level turnover.
The setting position of first, second contiguous block 113,123 of first, second connecting plate 111,121 both sides, bottom surface is distinguished corresponding with the first depression bar, the second depression bar 11,12, and first, second contiguous block cross section is L-shaped, the vertical edges of first, second contiguous block is connected with first, second connecting plate one, horizontal sides is then parallel with first, second connecting plate respectively, and U-shaped draw-in groove arranges perpendicular with the first depression bar, the second depression bar respectively on the horizontal sides.Annular groove 11a, 12a with U-shaped pocket matches is provided with on the surface at the first depression bar, the second depression bar, during plant running, annular groove on first depression bar, the second depression bar enters in U-shaped draw-in groove, then the first depression bar, the second depression bar snap in the first contiguous block, the second contiguous block respectively, when the first connecting plate, the second connecting plate move up and down, the first depression bar, the second depression bar will move up and down along with the first pressing plate, the second pressing plate.
The elevating movement that first, second driver 112,122 is respectively first, second connecting plate provides driving force.In the present embodiment, the ball screw that first, second driver includes motor and is connected with motor, the ball screw of the first driver is connected with the first connecting plate, and the ball-screw of the second driver is connected with the second connecting plate.
In the present embodiment, this pump type scraper head corollary apparatus also comprises the installation component for installing pump type scraper head and pump type scraper head level is installed to the guidance set play the guiding role.
Above-mentioned installation component comprises the pulley part be arranged on pump type scraper head, for installing the support component of first, second connecting plate, and to be arranged on support component and the track segment matched with pulley part described in both sides; The guiding driver element that above-mentioned guidance set comprises installing plate 150 and arranges on a mounting board, described guiding driver element comprise can with installing plate vertical direction on make the driver part 161 of flexible alternating movement and be evenly distributed in the magnetic fixed part 162 of driver part periphery, described driver part is connected with controller signals.
By arranging installation component and guidance set, pump type scraper head can be realized to be automatically installed on this corollary apparatus.And the stretching motion of guiding parts can control being separated and compact siro spinning technology of pump type scraper head and installing plate; When the first connecting plate and the second connecting plate move upward and the first depression bar and the second depression bar respectively by first sensor and the second sensor sensing then, pump type scraper head will by guidance set and installing plate compact siro spinning technology, and the first depression bar and the second depression bar will enter in the first contiguous block and the second contiguous block respectively simultaneously.
Particularly, support component comprises the first support component 181 be arranged at above the first connecting plate and the second connecting plate, and for installing the second support component 182 of first, second driven unit; Second support component is connected with the first support component by a rotating shaft C1 parallel with pump type scraper head moving direction; Described track segment is arranged at bottom the second support component.
Can control the motion in the horizontal direction of pump type scraper head easily to realize guidance set, pulley part is preferably arranged on two row's assembly pulleys 17 at pump type scraper head top, and in the present embodiment, track segment is the guide rail 184 arranged assembly pulley and match for a pair and two.During installation, two row's assembly pulleys on pump type scraper head embed respectively in two guide rails and play guide effect.Two row's assembly pulleys 17 are sleeved on after on guide rail 184, pump type scraper head can be arranged on pump type scraper head corollary apparatus, and fixing front permission pump type scraper head horizontal slip in guide rail.The stretching motion of guidance set can control being separated and compact siro spinning technology of pump type scraper head and installing plate; When the first connecting plate and the second connecting plate move downward and the first depression bar and the second depression bar respectively by first sensor and the second sensor sensing then, pump type scraper head will by connecting driver part and installing plate compact siro spinning technology, and the first depression bar and the second depression bar will enter in the first contiguous block and the second contiguous block respectively simultaneously.
In the present embodiment, first support component is the support transverse slat that bottom, side is provided with flange, support transverse slat to be horizontally disposed with in the plane parallel with pump type scraper head moving direction, described second support component is a support riser, described support riser is vertical with support transverse slat, and the top supporting riser is connected on the flange of support transverse slat by rotating shaft.First driver of above-mentioned first driven unit is arranged on the second support component side, and the second driver of the second driven unit is arranged on the opposite side of the second support component, and first, second driver is isolated by the first support component.More specifically, first, second driver described is fixed on the second support component both sides respectively by installing rack.
In this enforcement example, driver part is the piston rod of cylinder, but in practical operation, other is similar possesses identity function with the piston rod of cylinder and has sufficient length, and the rod unit moved reciprocatingly can be connected with other linear actuating devices and all can be used as driver part.
Magnetic fixed part 162 can adopt magnet or other magnetic material to make, its shape can set according to actual needs, and magnetic fixed part can be attached to installing plate surface, can also be embedded in installing plate, in the present embodiment, magnetic fixed part 162 is for cylindrical magnetic stripe is so that be embedded in installing plate.Utilize the magnetic pull of magnetic fixed part, pump type scraper head adopt magnetic metal material make, can by pump type scraper head inhale to installing plate so that pump type scraper head can with mount pad close contact.
In practical operation, installing plate can be equipped with at least one guiding parts and multiple magnetic fixed part, and multiple magnetic fixed part can independently be arranged on guiding parts periphery.In the present embodiment, the quantity of magnetic fixed part is four, and two be one group, linear array is in guiding parts both sides symmetrically.
Owing to arranging driver part and magnetic fixed part, pump type scraper head both can be separated under the driving of driver part with installing plate; Can also under the attraction effect of magnetic fixed part with installing plate close contact, thus realize connecting between pressing plate with depression bar.Be conducive to the overall structure simplifying depression bar and pump type scraper head corollary apparatus, alleviate the weight of pump type scraper head corollary apparatus, be conducive to the lighting of device.
During installation, be arranged on first sensor on the first connecting plate for responding to the position signalling of the first depression bar, when pulley part is embedded into track segment, the first contiguous block on first connecting plate and the annular groove on the first depression bar are on differing heights, and therefore the first depression bar can not be connected with the first contiguous block.After the first driver drives first connecting plate moves downward, when the tail end of first sensor and the first depression bar moves in the induction range of first sensor, first sensor senses the first depression bar, and controller controls the first driver and stops action.Now, the first contiguous block of the first connecting plate and the annular groove of the first depression bar are adjusted to sustained height.In like manner, be arranged on the second sensor on the second connecting plate for responding to the position signalling of the second depression bar, when pump type scraper head is arranged on this corollary apparatus, the second contiguous block on second connecting plate and the annular groove on the second depression bar are on differing heights, and therefore the second depression bar can not be connected with the second contiguous block.After the second driver drives second connecting plate moves downward, when the tail end of the second sensor and the second depression bar moves in the induction range of the second sensor, the second sensor sensing is to the second depression bar, and controller controls the second driver and stops action.Now, the second contiguous block of the second connecting plate and the annular groove of the second depression bar are adjusted to sustained height, so far complete installation action.
In order to realize the accurate control to this corollary apparatus, thus realize controlling the exact automatic of pump type scraper head tin cream extrusion capacity, the sensor assembly also comprises the 3rd sensor 171 being arranged on and locating above the U-shaped draw-in groove correspondence of the first contiguous block on the first connecting plate, and is arranged on the four-sensor 172 that the U-shaped draw-in groove correspondence of the second contiguous block on the second connecting plate is located.3rd sensor 171 is for responding to the position signalling of the first depression bar, four-sensor for responding to the position signalling of the second depression bar.The course of work utilizing this corollary apparatus to control pump type scraper head is as follows: promote tin cream when the first depression bar moves downward and up promoted until after being sensed by four-sensor in direction by the second depression bar, second connecting plate just can move upward and to be separated with four-sensor, and the second depression bar just can continue to move upward.Promote tin cream when the second depression bar moves downward and up promoted until after being arrived by the 3rd sensor sensing in direction by the first depression bar, the first connecting plate just can move upward and to be separated with the 3rd sensor, and the first depression bar just can continue to move upward.
Compared to first sensor 130,3rd sensor 171 is same for responding to the position signalling of the first depression bar, difference is, locate above the U-shaped draw-in groove correspondence that 3rd sensor is installed in the first contiguous block on the first connecting plate, also the i.e. junction of the first connecting block on the first depression bar and the first connecting plate.Similarly, compared to the second sensor 140, four-sensor 172 is also for responding to the second depression bar, and difference is, the U-shaped draw-in groove correspondence that four-sensor is installed in the second contiguous block on the second connecting plate is located, also the i.e. junction of the second contiguous block on the second depression bar and the second connecting plate.
In addition, the 3rd sensor and four-sensor, also for waiting for that enough pressure is reached first, second depression bar by tin cream, maintain the uniformity of tin cream pressure in pump type scraper head thus, impel and are sprayed onto outside tin cream amount uniformity.During actual enforcement, first sensor and the 3rd sensor are along the movement line linear array of pump type scraper head, second sensor and four-sensor are along the movement line linear array of pump type scraper head, and first sensor and the 3rd sensor form the straight line parallel that straight line and the second sensor and four-sensor are formed.
This device is equipped with by arranging sensor cluster, and connect the depression bar in pump type scraper head by driver, sensor cluster is for responding to the depression bar of pump type scraper head, depression bar is connected with driver, thus the automation realizing pump type scraper head is installed, and make moving up and down of depression bar be easy to control, thus effectively control pump type scraper head and two different cavitys, continual and steady for the tin cream in pump type scraper head is sprayed on steel mesh.And controller, then can receive the induced signal of the first depression bar and the second depression bar passed back by first sensor and the second sensor, and control the first driver and the second driver stop motion, control reciprocating guiding parts and move to retraction direction.After controller receives the code device signal of the first driver and the second driver, by determining that the first depression bar and the second depression bar shift position calculate the tin cream amount be filled in pump type scraper head, realize controlling the exact automatic of tin cream amount of compression.
In addition, controller, except the induced signal by collecting sensor assembly, controls the action of the first driven unit and the second driven unit, realizes the automatic operation to tin cream extruding and accurately control.The code signal also sent by the motor of the first driver and the second driver accurately calculates the tin cream amount in pump type scraper head.The code signal sent based on driver can calculate the surplus of tin cream in pump type scraper head, thus can control the tin cream amount that outside tin cream container supplies to pump type scraper head easily.
In the present embodiment, this pump type scraper head corollary apparatus also comprises the even number damping 183 be arranged in the first support component, and described even number damping is divided into two groups, equivalent, is symmetrically distributed in the both sides of line centered by rotating shaft.Described damping can for conventional shock absorber, and the such as elastic component such as air cushion absorber, shell fragment spring, described damping one end is embedded in the first support component, and the other end contacts with the second support component end face.
By arranging damping 183, effectively can slowing down because producing collision belt when the second support component rotates with the first support component to the vibrations of second parts, being conducive to raising homework precision and security.Owing to being connected by rotating shaft between the first support component with the second support component, and be provided with damping, on the one hand pump type scraper head can be swung, produce collision belt when on the other hand the second support component rotates suitably to be eliminated by damping to the vibrations of second parts with the first support component, pump type scraper head and steel mesh keeping parallelism always can be made thus.
With reference to Fig. 1, normally used pump type scraper head 10 comprises to be provided the first depression bar 11 of pressure to the tin cream in the first cavity and provides the second depression bar 12 of pressure to the tin cream in the second cavity.According to the technical scheme of the present embodiment, use this pump type scraper head corollary apparatus for controlling pump type scraper head, operating process is described in detail as follows:
With reference to Fig. 2, first, second depression bar 11,12 of pump type scraper head is controlled by pump type scraper head corollary apparatus.At the afterbody of first, second depression bar, annular groove 11a, 12a are set.Namely the annular groove of surface setting lower than the first depression bar surface of the first depression bar 11 tail end of pressure be provided at the tin cream for the first cavity, tin cream for the second cavity provides the surface setting of the second depression bar tail end of pressure lower than the annular groove on the second depression bar surface, makes the annular groove on first, second depression bar be able to be connected with the first contiguous block and the second contiguous block.In addition, pump type scraper head is provided with two row's pulleys, two row's pulleys are corresponding supporting with the guide rail on pump type scraper head corollary apparatus, and two row's pulleys just can embed in guide rail.
With reference to Fig. 5, because the first connecting plate two bottom sides is provided with a pair first contiguous blocks, the first contiguous block is provided with U-shaped draw-in groove, can be used for the annular groove on the first depression bar is entered wherein.After annular groove on first depression bar snaps in the first contiguous block, when the first connecting plate moves up and down, the first depression bar can move up and down along with the first connecting plate.First driver 112 provides driving force for the first moving up and down of connecting plate 111.In like manner, the second connecting plate 121 two bottom sides is provided with on the second contiguous block 123, second contiguous block 123 and is provided with U-shaped draw-in groove, can be used for the annular groove on the second depression bar is entered wherein.After annular groove on second depression bar snaps in the second contiguous block, when the second connecting plate moves up and down, the second depression bar can move up and down along with the second connecting plate.Second driver provides driving force for moving up and down of the second connecting plate.
With reference to Fig. 6, be arranged on first sensor 130 on the first connecting plate 111 for responding to the first depression bar 11, when pump type scraper head 10 is arranged on pump type scraper head corollary apparatus 100, at various height, therefore the first depression bar can not be connected with the first contiguous block 113 for the first contiguous block 113 on first connecting plate and the annular groove 11a on the first depression bar 11.Now, the first driver 112 drives the first connecting plate 111 to move up and down, and when the tail end of first sensor 130 and the first depression bar 11 moves in the induction range of inductor, first sensor 130 senses that the first depression bar 11, first driver stops action.Now, the first contiguous block 113 of the first connecting plate 111 and the annular groove 11a of the first depression bar are adjusted to sustained height.
Be arranged on the second sensor 140 on the second connecting plate 121 for responding to the second depression bar 12, when pump type scraper head 10 is arranged on pump type scraper head corollary apparatus 100, at various height, therefore the second depression bar can not be connected with the second contiguous block 123 for the second contiguous block 123 on second connecting plate and the annular groove 12a on the second depression bar 12.Now, the second driver 122 drives the second connecting plate 121 to move up and down, and when the tail end of the second sensor 140 and the second depression bar 12 moves in the induction range of inductor, the second sensor 140 senses that the second depression bar 12, second driver stops action.Now, the second contiguous block 123 of the second connecting plate 121 and the annular groove 12a of the second depression bar are adjusted to sustained height.
Pump type scraper head corollary apparatus is provided with installation component and guidance set in order to install pump type scraper head 10.But when first, second depression bar 11,12 is not connected with first, second contiguous block 113,123, pump type scraper head 10 just cannot be arranged on installing plate 150.On the other hand, when first, second depression bar 11,12 is connected with first, second contiguous block 113,123, pump type scraper head 10 just can be arranged on installing plate 150.
Guiding driver element is used for making pump type scraper head 10 and installing plate 150 compact siro spinning technology, so that pump type scraper head 10 can stably be arranged on installing plate 150.The driver part 161 can making stretching motion to installing plate 150 projected direction A1 with to installing plate 150 retraction direction A2 alternate reciprocating motion.When the first contiguous block 113 of the first connecting plate and the second contiguous block 123 of the second connecting plate and the annular groove 11a of the first depression bar and the annular groove 12a of the second depression bar be not at sustained height, guiding parts 161 moves to the projected direction A1 of installing plate 150.When first sensor 130 and the second sensor 140 sense the first depression bar 11 second depression bar 12 respectively, first contiguous block 113 of the first connecting plate and the second contiguous block 123 of the second connecting plate are adjusted to the annular groove 12a on the annular groove 11a of the first depression bar and the second depression bar at sustained height, and now guiding parts 161 moves to the retraction direction A2 of installing plate 150.
Magnetic fixed part 162 is made up of magnetic material, and adopt the metal material that can be attracted magnetically to make pump type scraper head, make magnetic fixed part 162 can utilize magnetic pull that pump type scraper head 10 is pulled to installing plate 150, pump type scraper head 10 is contacted with installing plate 150.Therefore, when guiding parts 161 moves to installing plate retraction direction A2, pump type scraper head 10 can be pulled to magnetic fixed part 162 by magnetic force.When the driver element that leads makes pump type scraper head 10 and installing plate 150 close contact, the first depression bar 11 is connected with the first contiguous block 113, and the second depression bar 12 is connected with the second contiguous block 123.
Controller control a series of by first sensor 130 and the second sensor 140 respectively to the induced signal of the first depression bar 11 and the second depression bar 12, thus stop the first driver 112 and the second driver 122 action, and control guiding parts 161 and move to retraction direction A2.In addition, the code signal that controller can also be sent by the motor of the motor of the first driver 112 and the second driver 122 calculates the tin cream amount in pump type scraper head 10.When the code signal that the motor that controller receives the first driver 112 and the second driver 122 sends, controller can draw the position of the first depression bar 11 and the second depression bar 12, to determine the volume of the first cavity 13 below the first depression bar 11 current location and the volume of the second cavity 14 below the second depression bar 12 current location, the tin cream surplus in pump type scraper head 10 can be calculated thus.
Compared to first sensor 130, the 3rd sensor 171 is same for responding to the first depression bar 11, and difference is, the 3rd sensor 171 is installed in the junction of the first contiguous block 113 on the first depression bar 11 and the first connecting plate 111.Similarly, compared to the second sensor 140, four-sensor 172 is same for responding to the second depression bar 12, and difference is, four-sensor 172 is installed in the junction of the second contiguous block 123 on the second depression bar 12 and the second connecting plate 121.
With reference to Fig. 8, when the first driver 112 drives the first depression bar 11 to move downward, the tin cream in pump type scraper head 10 will be squeezed.Meanwhile, the second depression bar 12 correspondingly moves upward to spray with ensureing the tin cream consistent in pump type scraper head 10 in proportion.But due to the viscosity of tin cream, when the first depression bar 11 move downward the pressure that tin cream is produced pass to the second depression bar 12 by tin cream time, will time delay be produced, and easily occur being short of power when therefore upwardly there is the second depression bar 12 of constant weight.When the first driver 112 drives the first depression bar 11 to move downward, the second driver 122 is needed to drive the second depression bar 12 to move upward.But, due to the time delay of tin cream transmission of pressure, by the movement degree being difficult to control second depression bar 12 and moving upward.Such as, if operate simultaneously, the first depression bar 11 moves downward, the second depression bar 12 moves upward, and due to the time delay that tin cream pressure transmits, the second depression bar 12 will be made just to move upward before pressure is not yet delivered to, thus negative pressure is formed in pump type scraper head 10, make tin cream to stablize ejection.And when adopting this pump type scraper head corollary apparatus to operate, when the first depression bar 11 moves downward, when the pressure being passed to the second depression bar 12 by tin cream is enough, second depression bar 12 is subject to a thrust upwards and up moves, when four-sensor 172 senses the second depression bar 12, second driver 122 drives the second connecting plate 121 move upward to the position of expectation thus make the second depression bar 12 can continue to move upward, and so repeats.This makes the pressure energy in pump type scraper head 10 suitably maintain, thus maintains the tin cream amount being sprayed onto outside equably.
Similarly, when the second depression bar 12 moves downward, when the pressure being passed to the first depression bar 11 by tin cream is enough, first depression bar 11 is subject to a thrust upwards and up moves, when the 3rd sensor 171 senses the first depression bar 11, first driver 112 drives the first connecting plate 111 move upward to the position of expectation thus make the first depression bar 11 can continue to move upward, and so repeats.
First support component 181 is installed on the first plate 111 and the second plate 121.Second support component 182 and the first connecting plate 111, second connecting plate 121 connect, and are rotated with the first support component 181 by a rotating shaft C1 parallel with pump type scraper head moving direction and connect.The direction of movement when pump type scraper head moving direction described here refers to that pump type scraper head sprays tin cream on steel mesh.Due to the connecting mode of the first support component and the second support component, even if the steel mesh that tin cream sprays is also not exclusively parallel with ground, there is certain inclination angle with ground, as long as but the nozzle 18 of pump type scraper head is parallel with steel mesh, and tin cream just can normally spray.Therefore, the second support component 182 connected with pump type scraper head 10 by the first connecting plate 111, second connecting plate 121 can be swung with rotating shaft C1 rotary connection, ensured that the nozzle 18 of pump type scraper head can be parallel to steel mesh when printing always.
Damping 183 is arranged on the both sides of rotating shaft C1 on the first support component 181, for slowing down when the second support component 182 rotates and the first support component 181 produces collision belt to the vibrations that bring of second parts 182.Guide rail 184 is arranged on below the second support component 182, plays guide effect when pump type scraper head 10 is installed.
Be more than wherein specific implementation of the present invention, it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these apparent replacement forms all belong to protection scope of the present invention.
Claims (9)
1. pump type scraper head corollary apparatus, is characterized in that comprising:
For driving the first driven unit of the first depression bar elevating movement;
For driving the second driven unit of the second depression bar elevating movement;
For responding to the sensor cluster of first, second depression bar position signalling;
And to be connected with sensor cluster and first, second driven unit to be played to the controller of control action, it is characterized in that, described first driven unit comprises the first connecting plate connected with the first depression bar, and for driving the first driver of the first connecting plate elevating movement; Described second driven unit comprises the second connecting plate connected with the second depression bar, and for driving the second driver of the second connecting plate elevating movement; Described sensor cluster comprise be arranged on the first connecting plate for respond to the first depression bar position signalling first sensor and be arranged on the second connecting plate for responding to the second sensor of the second depression bar position signalling.
2. pump type scraper head corollary apparatus according to claim 1, is characterized in that: also comprise the installation component for installing pump type scraper head and pump type scraper head level installed to the guidance set play the guiding role.
3. pump type scraper head corollary apparatus according to claim 2, it is characterized in that: described installation component comprises the pulley part be arranged on pump type scraper head, for installing the support component of first, second connecting plate, and to be arranged on support component and the track segment matched with pulley part described in both sides; The guiding driver element that described guidance set comprises installing plate and arranges on a mounting board, described guiding driver element be included in installing plate vertical direction on make the driver part of flexible alternating movement and be evenly distributed in the magnetic fixed part of driver part periphery, described driver part is connected with controller signals.
4. pump type scraper head corollary apparatus according to claim 3, is characterized in that: described support component comprises the first support component be arranged at above the first connecting plate and the second connecting plate, and for installing the second support component of first, second driven unit; Second support component is connected with the first support component by a rotating shaft parallel with pump type scraper head moving direction; Described track segment is arranged at bottom the second support component.
5. pump type scraper head corollary apparatus according to claim 4, it is characterized in that: described first support component is the support transverse slat that bottom, side is provided with flange, support transverse slat to be horizontally disposed with in the plane parallel with pump type scraper head moving direction, described second support component is a support riser, described support riser is vertical with support transverse slat, and the top supporting riser is connected on the flange of support transverse slat by rotating shaft.
6. pump type scraper head corollary apparatus according to claim 1, it is characterized in that: described first both sides, connecting plate bottom surface are respectively provided with the first contiguous block, first contiguous block is provided with the U-shaped draw-in groove of accommodating first depression bar level turnover, described second both sides, connecting plate bottom surface are respectively provided with the second contiguous block, and the second contiguous block is provided with the U-shaped draw-in groove of accommodating second depression bar level turnover.
7. pump type scraper head corollary apparatus according to claim 3, it is characterized in that: described magnetic fixed part is the cylindrical magnetic stripe be embedded in installing plate, the quantity of described magnetic fixed part is four, and two be one group, linear array is in driver part both sides symmetrically.
8. pump type scraper head corollary apparatus according to claim 5, it is characterized in that: also comprise the even number damping be arranged in the first support component, described even number damping is divided into two groups, equivalent, is symmetrically distributed in the both sides of line centered by rotating shaft.
9. pump type scraper head corollary apparatus according to claim 6, it is characterized in that: described sensor cluster also comprises the 3rd sensor being arranged on and locating above the U-shaped draw-in groove correspondence of the first contiguous block, and be arranged on the four-sensor of the second contiguous block junction of the second depression bar and the second connecting plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410005839.4A CN103770457B (en) | 2014-01-06 | 2014-01-06 | Pump type scraper head corollary apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410005839.4A CN103770457B (en) | 2014-01-06 | 2014-01-06 | Pump type scraper head corollary apparatus |
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| CN103770457A CN103770457A (en) | 2014-05-07 |
| CN103770457B true CN103770457B (en) | 2016-03-02 |
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| CN111530688B (en) * | 2020-05-09 | 2021-08-24 | 广东博智林机器人有限公司 | Scribble and scrape mechanism and coating device |
| CN112976781B (en) * | 2021-05-06 | 2021-07-20 | 四川英创力电子科技股份有限公司 | Printed circuit board silk screen printing scraper subassembly and hinder and weld printing ink filling system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4808435A (en) * | 1987-04-06 | 1989-02-28 | International Business Machines Corporation | Screen printing method for producing lines of uniform width and height |
| US5265773A (en) * | 1991-05-24 | 1993-11-30 | Kabushiki Kaisha Marukomu | Paste feeding apparatus |
| FR2754474B1 (en) * | 1996-10-15 | 1999-04-30 | Novatec | DEVICE FOR DEPOSITING A VISCOUS OR PASTA ON A SUBSTRATE THROUGH THE OPENINGS OF A STENCIL |
| CN201907258U (en) * | 2011-01-06 | 2011-07-27 | 北京航天达盛电子技术有限公司 | Automatic feeding device of SMT printing machine |
| CN102582230A (en) * | 2011-01-11 | 2012-07-18 | 苏州辉隆自动化设备有限公司 | Automatic tin adding machine |
| KR101360022B1 (en) * | 2011-11-14 | 2014-02-12 | 주식회사 두원정밀 | Solder cream supplying apparatus for screen printer |
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