CN217183558U

CN217183558U - Circuit board printing machine

Info

Publication number: CN217183558U
Application number: CN202220504778.6U
Authority: CN
Inventors: 龚平
Original assignee: Yuyao Yuanwang Electric Co ltd
Current assignee: Yuyao Yuanwang Electric Co ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-08-12
Anticipated expiration: 2032-03-10

Abstract

The utility model belongs to the technical field of circuit board printing machine, and a circuit board printing machine is disclosed, including workstation, linear electric motor and base, linear electric motor's positive fixed mounting has scraper mechanism, the top fixed mounting of workstation has the support column, spring and printing template have been cup jointed in the surface activity of support column, the equal fixed mounting in the left and right sides of base has the fixing base, the top groove has been seted up at the top of fixing base, the seal groove has been seted up at the middle part of fixing base. The utility model discloses a bottom of sealed post produces the negative pressure at the downward movement of the inner wall of seal groove to adsorb the circuit board fixedly, be used for offsetting the resilience force of No. two springs after being compressed at the inner wall of kerve through being provided with the negative pressure post after the downward movement by the inner wall extrusion of kerve and make the tip part card of its bottom surface, thereby avoided the bolt fastening to damage the problem of circuit board easily.

Description

Circuit board printing machine

Technical Field

The utility model belongs to the technical field of circuit board printing machine, specifically a circuit board printing machine.

Background

The circuit board printing machine is a printing device for printing the circuit on the circuit board by using printing liquid such as an acid etching resistant film layer and the like to protect the circuit on the circuit board, and is an important step in the processing process of the circuit board.

At present, the circuit board needs to be fixed before the existing circuit board printer works, and the existing fixing mode needs to use a plurality of fixing structures such as bolts and the like, and the fixing pressure degree of the circuit board cannot be accurately controlled by the fixing structures, so that the circuit board is easily damaged; meanwhile, the bolts used for fixing are complex in structure and large in quantity, so that workers need to spend much time when the circuit board is dismounted and mounted every time, and the bolts are not convenient and fast enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above problem, the utility model provides a circuit board printing machine has fixed effectual, protection circuit board and the quick advantage of dismantling of being convenient for.

In order to achieve the above object, the utility model provides a following technical scheme: a circuit board printing machine comprises a workbench, a linear motor and a base, wherein a scraper mechanism is fixedly installed on the front side of the linear motor, a support column is fixedly installed at the top of the workbench, a first spring and a printing template are movably sleeved on the outer surface of the support column, fixing seats are fixedly installed on the left side and the right side of the base, a top groove is formed in the top of each fixing seat, a sealing groove is formed in the middle of each fixing seat, a bottom groove is formed in the bottom of each fixing seat, a sealing ring is fixedly connected to the top of each fixing seat, a sealing column and a second spring are movably sleeved in each sealing groove, each sealing column is elastically supported in each sealing groove through the second spring, a negative pressure column is fixedly connected to the bottom of each sealing column, and a dismounting mechanism is fixedly connected to the bottom of each negative pressure column;

this device is at the during operation, places the circuit board at the top of base, makes its bottom and seal ring contact and press the circuit board downwards, and the sealing ring realizes sealing contact through the bottom of being extruded with the circuit board on the one hand, and the circuit board of downward movement drives sealed post and moves down, drives negative pressure post and disassembly body and moves down, in the inside of seal groove: the second spring is continuously compressed downwards, the bottom end of the sealing column is connected to the inner wall of the sealing groove through a sealing sleeve to generate downward negative pressure, so that the circuit board is adsorbed downwards, and the bottom end of the negative pressure column is extruded by the inner wall of the bottom groove after moving downwards and enables the tip part of the outer surface of the bottom part of the negative pressure column to be clamped on the inner wall of the bottom groove; after the circuit board is fixed, printing work can be carried out, the bottom scraper is driven to move downwards by controlling the driving cylinder at the top of the scraper mechanism, then the printing template is driven to move downwards to the bottom in contact with the circuit board, then printing liquid is coated on the surface of the circuit board, and then the linear motor is controlled to drive the scraper mechanism to move, so that the printing template is scraped to finish printing.

Realize the sealed contact function with the circuit board through the bottom contact that is provided with sealing ring and circuit board, can drive sealed post and negative pressure post downstream when the circuit board moves down, the downstream of the bottom at the inner wall of seal groove through sealed post produces the negative pressure, thereby adsorb fixed with the circuit board, through being provided with the negative pressure post after downstream by the inner wall extrusion of kerve and make the tip part card of its bottom surface be used for offsetting the resilience force behind No. two springs compressed at the inner wall of kerve, thereby avoided the bolt fastening to damage the problem of circuit board easily.

As a preferred technical scheme of the utility model, the disassembling mechanism comprises a connecting column, a limiting ring is fixedly sleeved at the bottom of the outer surface of the connecting column, a placing ring positioned at the top of the limiting ring is movably sleeved on the outer surface of the connecting column, a disassembling column is fixedly connected to the outer surface of the placing ring, and a pressing plate is fixedly connected to the bottom of the disassembling column;

after the printing finishes, upwards lift the clamp plate and drive the disassembling column and place the ring and shift up, the top of disassembling column exerts pressure to the bottom of negative pressure post, extrudees the negative pressure post and blocks the part of entering kerve inner wall and pushes up to make the bottom of negative pressure post break away from the inside of kerve, then drive sealed post and negative pressure post and shift up under the effect of No. two spring resilience power, the negative pressure disappears, thereby takies the circuit board away.

The pressing plate is arranged to upwards drive the dismounting column and clamp the negative pressure column into the part of the inner wall of the bottom groove to push back the inside of the sealing groove, so that friction force generated by extrusion between the negative pressure column and the bottom groove disappears, then upward resilience force generated by the second spring drives the sealing column and the negative pressure column to upwards move, negative pressure generated by downward movement of the sealing column disappears, and the quick dismounting function of the circuit board is realized.

As a preferred technical scheme of the utility model, the sealing ring is made of a rubber block, and the top opening of the sealing ring is in an outward expansion design;

the sealing ring can be contacted with the bottom of the circuit board and pressed to deform, and is tightly contacted with the circuit board, so that the sealing function of the sealing ring and the circuit board is realized.

As a preferred technical solution of the present invention, the diameter value of the bottom end of the sealing column is greater than the diameter value of the top end thereof, the bottom end of the sealing column is hermetically sleeved on the inner wall of the sealing groove, and the diameter value of the top end of the sealing column is smaller than the diameter value of the top groove; the sealing post is at the in-process that moves down, and its bottom keeps sealed contact with the inner wall of seal groove to can form the negative pressure environment in the inside of top groove, the thick design under the upper and lower thin of sealing post just in time can guarantee the formation of negative pressure environment.

As a preferred technical scheme of the utility model, the height value of the top of the fixed seat close to one side of the base is lower than that of the base; the circuit board drives the sealing ring and the sealing column to be contacted with the top of the base at the bottom of the circuit board just for limiting and keeping a fixed posture by pressing downwards.

As a preferred technical solution of the present invention, the negative pressure column is made of rubber blocks and the bottom of the negative pressure column is designed to be an arrow with a vertical downward direction; the bottom of negative pressure post need block into the inner wall of kerve, moves down and compresses No. two springs at sealed post like this, and the frictional force that the extrusion produced between negative pressure post and the kerve just can offset the ascending resilience force of No. two springs, keeps the stable state of circuit board after fixed.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a bottom contact that is provided with sealing ring and circuit board realizes the sealed contact function with the circuit board, can drive sealed post and negative pressure post downstream when the circuit board moves down, bottom through sealed post produces the negative pressure at the downstream of the inner wall of seal groove, thereby adsorb the circuit board and fix, through being provided with the negative pressure post after downstream by the inner wall extrusion of kerve and make the tip part card of its bottom surface be used for offsetting the resilience force of No. two springs after being compressed at the inner wall of kerve, thereby avoided the bolt fastening to damage the problem of circuit board easily.

2. The utility model discloses a be provided with the clamp plate and upwards drive the inside of dismantling the post and pushing back the part of negative pressure column card into the kerve inner wall back seal groove to make between negative pressure column and the kerve through the frictional force that the extrusion produced disappear, then, make the ascending resilience force that No. two springs produced drive sealed post and negative pressure column rebound, make sealed post move down the negative pressure that produces and disappear, realize the quick dismantlement function of circuit board.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the structure of the present invention;

FIG. 3 is a front sectional view of the base and the fixing base of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3 according to the present invention;

fig. 5 is a schematic diagram showing the separation of the pressing plate, the sealing ring, the sealing post, the negative pressure post, the second spring and the detaching post of the present invention.

In the figure: 1. a work table; 2. a linear motor; 3. a scraper mechanism; 4. a support pillar; 5. a first spring; 6. printing a template; 7. a base; 8. a fixed seat; 9. pressing a plate; 10. a seal ring; 11. a top groove; 12. a sealing groove; 13. sealing the column; 14. a negative pressure column; 15. a second spring; 16. a bottom groove; 17. connecting columns; 18. a limiting ring; 19. placing a ring; 20. and (6) disassembling the column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 5, the present invention provides a circuit board printing machine, which comprises a worktable 1, the automatic printing machine comprises a linear motor 2 and a base 7, wherein a scraper mechanism 3 is fixedly installed on the front side of the linear motor 2, a support column 4 is fixedly installed at the top of a workbench 1, a first spring 5 and a printing template 6 are movably sleeved on the outer surface of the support column 4, fixing seats 8 are fixedly installed on the left side and the right side of the base 7, a top groove 11 is formed in the top of each fixing seat 8, a sealing groove 12 is formed in the middle of each fixing seat 8, a bottom groove 16 is formed in the bottom of each fixing seat 8, a sealing ring 10 is fixedly connected to the top of each fixing seat 8, a sealing column 13 and a second spring 15 are movably sleeved in each sealing groove 12, each sealing column 13 is elastically supported in each sealing groove 12 through the second spring 15, a negative pressure column 14 is fixedly connected to the bottom of each sealing column 13, and a dismounting mechanism is fixedly connected to the bottom of each negative pressure column 14;

this device is at the during operation, places the circuit board at the top of base 7, makes its bottom and the contact of sealing ring 10 and press the circuit board downwards, and sealing ring 10 realizes sealing contact through the bottom by extrusion and circuit board on the one hand, and the circuit board of downward movement drives sealed post 13 and moves down, drives negative pressure post 14 and disassembly body and moves down, in the inside of seal groove 12: the second spring 15 is continuously compressed downwards, the bottom end of the sealing column 13 is connected with the inner wall of the sealing groove 12 through a sealing sleeve to generate downward negative pressure so as to absorb the circuit board downwards, and the bottom end of the negative pressure column 14 is pressed by the inner wall of the bottom groove 16 after moving downwards and enables the tip part of the outer surface of the bottom part to be clamped on the inner wall of the bottom groove 16; the circuit board can carry out the printing work after finishing fixed, drives the actuating cylinder through the 3 tops of control scraper mechanism and drives the bottom scraper and move down, then drives printing template 6 and moves down to the bottom with the circuit board contact, then with printing liquid coating on the circuit board surface, then controls linear electric motor 2 and drives scraper mechanism 3 and move, strikes off printing template 6, accomplishes the printing.

Realize the sealed contact function with the circuit board through the bottom contact that is provided with sealing ring 10 and circuit board, can drive sealed post 13 and negative pressure post 14 downstream when the circuit board moves down, the downstream production negative pressure of the bottom at the inner wall of seal groove 12 through sealed post 13, thereby adsorb the circuit board and fix, through being provided with negative pressure post 14 after downstream by the inner wall extrusion of kerve 16 and make the tip part card of its bottom surface be used for offsetting the resilience force behind No. two spring 15 compressed at the inner wall of kerve 16, thereby avoided the bolt fastening to damage the problem of circuit board easily.

The dismounting mechanism comprises a connecting column 17, a limiting ring 18 is fixedly sleeved at the bottom of the outer surface of the connecting column 17, a placing ring 19 positioned at the top of the limiting ring 18 is movably sleeved on the outer surface of the connecting column 17, a dismounting column 20 is fixedly connected to the outer surface of the placing ring 19, and a pressing plate 9 is fixedly connected to the bottom of the dismounting column 20;

after printing, the pressing plate 9 is lifted upwards, the detaching column 20 and the placing ring 19 are driven to move upwards, the top of the detaching column 20 applies pressure to the bottom of the negative pressure column 14, the negative pressure column 14 is extruded and clamped into the inner wall of the bottom groove 16, the part of the inner wall of the bottom groove 16 is pushed upwards, the bottom end of the negative pressure column 14 is separated from the inside of the bottom groove 16, then the sealing column 13 and the negative pressure column 14 are driven to move upwards under the action of resilience force of the second spring 15, negative pressure disappears, and the circuit board is taken away.

Upwards drive through being provided with clamp plate 9 and dismantle post 20 and push back the inside of seal groove 12 with the part of negative pressure post 14 card income kerve 16 inner wall to make between negative pressure post 14 and the kerve 16 through the frictional force that the extrusion produced disappear, then, make the ascending resilience force that No. two springs 15 produced drive sealed post 13 and negative pressure post 14 rebound, make sealed post 13 move down the negative pressure that produces and disappear, realize the quick dismantlement function of circuit board.

Wherein, the sealing ring 10 is made of rubber blocks, and the top opening of the sealing ring 10 is in an outward expansion design;

the sealing ring 10 can be brought into close contact with the circuit board by contacting with the bottom of the circuit board and being deformed by pressure, thereby achieving a sealing contact function with the circuit board.

The diameter value of the bottom end of the sealing column 13 is larger than that of the top end of the sealing column, the bottom end of the sealing column 13 is hermetically connected to the inner wall of the sealing groove 12 in a sealing mode, and the diameter value of the top end of the sealing column 13 is smaller than that of the top groove 11; in the downward movement process of the sealing column 13, the bottom end of the sealing column is in sealing contact with the inner wall of the sealing groove 12, so that a negative pressure environment can be formed inside the top groove 11, and the upper thin and lower thick design of the sealing column 13 just can ensure the formation of the negative pressure environment.

Wherein, the height value of the top of the fixed seat 8 close to one side of the base 7 is lower than that of the base 7; the circuit board drives the sealing ring 10 and the sealing column 13 by pressing downwards, the bottom of the circuit board is contacted with the top of the base 7 just for limiting and keeping a fixed posture.

Wherein, the negative pressure column 14 is made of rubber blocks and the bottom of the negative pressure column 14 is designed to be an arrow with a vertical downward direction; the bottom of the negative pressure column 14 needs to be clamped into the inner wall of the bottom groove 16, so that the sealing column 13 moves downwards and compresses the second spring 15, and the friction force generated by extrusion between the negative pressure column 14 and the bottom groove 16 can just offset the upward resilience force of the second spring 15, so as to keep the stable state of the circuit board after being fixed.

The utility model discloses a theory of operation and use flow:

this device is at the during operation, places the circuit board at the top of base 7, makes its bottom and the contact of sealing ring 10 and press the circuit board downwards, and sealing ring 10 realizes sealing contact through the bottom by extrusion and circuit board on the one hand, and the circuit board of downward movement drives sealed post 13 and moves down, drives negative pressure post 14 and disassembly body and moves down, in the inside of seal groove 12: the second spring 15 is continuously compressed downwards, the bottom end of the sealing column 13 is connected with the inner wall of the sealing groove 12 through a sealing sleeve to generate downward negative pressure so as to absorb the circuit board downwards, and the bottom end of the negative pressure column 14 is pressed by the inner wall of the bottom groove 16 after moving downwards and enables the tip part of the outer surface of the bottom part to be clamped on the inner wall of the bottom groove 16; after the circuit board is fixed, printing can be carried out, a driving cylinder at the top of the scraper mechanism 3 is controlled to drive the bottom scraper to move downwards, then the printing template 6 is driven to move downwards to the bottom contacted with the circuit board, then printing liquid is coated on the surface of the circuit board, and then the linear motor 2 is controlled to drive the scraper mechanism 3 to move, so that the printing template 6 is scraped, and printing is finished;

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 a circuit board printing machine, includes workstation (1), linear electric motor (2) and base (7), the positive fixed mounting of linear electric motor (2) has scraper mechanism (3), the top fixed mounting of workstation (1) has support column (4), spring (5) and stencil (6), its characterized in that have been cup jointed in the surface activity of support column (4): the equal fixed mounting in the left and right sides of base (7) has fixing base (8), top groove (11) have been seted up at the top of fixing base (8), seal groove (12) have been seted up at the middle part of fixing base (8), kerve (16) have been seted up to the bottom of fixing base (8), and top fixedly connected with sealing ring (10) of fixing base (8), sealed post (13) and No. two spring (15) have been cup jointed in the inside activity of seal groove (12), sealed post (13) are through No. two spring (15) elastic support in the inside of seal groove (12), the bottom fixedly connected with negative pressure post (14) of sealed post (13), the bottom fixedly connected with disassembly body of negative pressure post (14).

2. A circuit board printing machine according to claim 1, wherein: the disassembly body includes spliced pole (17), spacing ring (18) have been cup jointed to the bottom of spliced pole (17) surface is fixed, the ring (19) of placing that is located spacing ring (18) top has been cup jointed in the surface activity of spliced pole (17), the outer fixed surface who places ring (19) is connected with disassembly column (20), the bottom fixedly connected with clamp plate (9) of disassembly column (20).

3. A circuit board printing machine according to claim 1, wherein: the sealing ring (10) is made of a rubber block, and the top opening of the sealing ring (10) is in an outward expansion design.

4. A circuit board printing machine according to claim 1, wherein: the diameter value at sealed post (13) bottom is greater than the diameter value on its top, the bottom seal of sealed post (13) cup joints the inner wall in seal groove (12), the diameter value on sealed post (13) top is less than the diameter value of apical trough (11).

5. A circuit board printing machine according to claim 1, wherein: the height value of one side of the top of the fixed seat (8), which is close to the base (7), is lower than that of the base (7).

6. A circuit board printing machine according to claim 1, wherein: the negative pressure column (14) is made of a rubber block, and the bottom of the negative pressure column (14) is designed to be an arrow with the direction vertically downward.