CN114340201A

CN114340201A - Automatic feeding and discharging workbench for pin bending angle of PCB

Info

Publication number: CN114340201A
Application number: CN202111670208.0A
Authority: CN
Inventors: 魏腾雄; 张宏斌; 黄思堂
Original assignee: QUANZHOU TIANDIXING ELECTRONICS CO Ltd
Current assignee: QUANZHOU TIANDIXING ELECTRONICS CO Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-04-12
Anticipated expiration: 2041-12-31
Also published as: CN114340201B

Abstract

The invention relates to the technical field of PCB processing, and provides an automatic feeding and discharging workbench for PCB pin bending angles, which can realize stable conveying of PCB plates, and comprises a driving panel, wherein a first driving rod and a second driving rod are provided with a first mounting groove and a second mounting groove, a first belt and a second belt are arranged in the first mounting groove and the second mounting groove, the first belt and the second belt of the first driving rod and the second driving rod are clamped by a third driving rod and a fourth driving rod, the third driving rod and the fourth driving rod are provided with a third mounting groove and a fourth mounting groove, the third mounting groove and the fourth mounting groove are provided with a third belt and a fourth belt, the first driving rod is provided with a first driving device, the third driving rod is provided with a second driving device, the first mounting groove, the second mounting groove, the third mounting groove and the fourth mounting groove are provided with a limiting clamping device, the third driving rod and the fourth driving rod are provided with an adjusting and supporting mechanism, the driving panel is provided with a third driving device and a guiding device.

Description

Automatic feeding and discharging workbench for pin bending angle of PCB

Technical Field

The invention relates to the technical field of PCB (printed circuit board) processing, in particular to an automatic feeding and discharging workbench for a pin bending angle of a PCB.

Background

When the PCB is inserted with the electrical element, pins of the electrical element need to be bent, and the phenomenon that the subsequent processing is affected by falling of the electrical element due to the fact that the PCB is moved in the subsequent processing is avoided. The existing PCB automatic inserting and bending equipment bears the PCB through the workbench, the position of the workbench is adjusted by changing the X-axis and Y-axis coordinates of the workbench so as to indirectly adjust the position of the PCB, and the position of an electrical element to be inserted on the PCB is positioned between a clamping jaw for clamping the electrical element and an ejector rod' 11 for bending pins of the electrical element.

The workbench mainly comprises a driving panel ' 1, the middle part of the driving panel is provided with an operation opening ' 2 for exposing the PCB to insert electric elements, the driving panel is provided with a first driving rod ' 3 and a second driving rod ' 4 for respectively clamping two ends of the PCB and conveying the PCB along the X-axis direction to carry out loading and unloading, the first driving rod is fixedly arranged on the driving panel, the second driving rod drives a guide chute ' 12 arranged along the Y-axis direction on the driving panel to slide back and forth through a motor ' 5 and a screw rod ' 6 arranged on the side edge of the driving panel, the first driving rod and the second driving rod drive a belt ' 8 wound on the belt pulley to clamp and drive the PCB to move through belt pulleys ' 7 arranged at the two ends of the upper layer and the lower layer, the belt pulleys are arranged at the two ends of the first driving rod and the second driving rod, and the belt between the belt pulleys at the two sides has too long stroke, the belt in the middle can sag due to gravity, and can swing up and down in the clamping process, and the plate can swing up and down when an additional pressing and clamping structure is needed to avoid inserting the electric element. The drive panel is provided with a plurality of pressing blocks' 9 capable of turning to press the PCB on one side of the first drive rod, the pressing blocks are controlled to turn up and down in an electric control mode, the PCB is pressed down to enable the PCB to be tightly attached to the first drive rod, and the phenomenon that the plate rocks up and down along with a belt when the plate is inserted into an electric element is avoided.

In order to improve the production efficiency, the working table conveys the PCB' 10 in full page, and the printing plates are arranged into one row or two rows according to the length of the PCB. When the length of the PCB is longer, the plate consists of a row of PCB boards which are arranged side by side; when the length of the PCB is not so long, the plate is composed of two rows of PCB boards which are arranged side by side. When the plate material is formed by a row of PCBs, the two ends of each PCB are respectively supported on the first driving rod and the second driving rod, and the middle of each PCB cannot collapse when an electric element is inserted. When the plate material is two rows of PCB boards, only one end of the PCB board is fixed on the first driving rod or the second driving rod, the end, which is not supported by the PCB board in the process of inserting the electric element, can be bent downwards along with the insertion of the electric element, and the PCB board on the plate material can be cracked to influence the production and processing due to the influence on the inserting precision of the electric element.

Disclosure of Invention

Therefore, aiming at the problems, the invention provides the automatic feeding and discharging workbench for the pin bending angle of the PCB, which has reasonable structural design, can realize stable conveying and prevent the PCB from shaking up and down to influence the inserting precision.

In order to solve the technical problem, the automatic feeding and discharging workbench for the pin bending angle of the PCB comprises a driving panel movably arranged on an external machine table, wherein an operation opening used for exposing the PCB for inserting electric elements is formed in the middle of the driving panel, a first driving rod and a second driving rod which are used for clamping two ends of the PCB and conveying the PCB along the X-axis direction are arranged on the driving panel, the first driving rod is fixedly arranged on the upper end surface of the driving panel, the second driving rod can be arranged on the upper end surface of the driving panel in a sliding mode along the Y-axis, a first mounting groove and a second mounting groove are formed in opposite sides of the first driving rod and the second driving rod along the X-axis direction, a first belt and a second belt which are clamped up and down are arranged in the first mounting groove and the second mounting groove respectively, and the first driving rod, the second belt and the first belt and the second belt are clamped up and down and are arranged in the first mounting groove and the second mounting groove respectively, The first driving rod and the fourth driving rod are respectively provided with a third driving rod and a fourth driving rod which can be clamped along with the first belt, the opposite sides of the third driving rod and the fourth driving rod are respectively provided with a third mounting groove and a fourth mounting groove which are used for clamping and conveying PCB (printed circuit board) materials along the X-axis direction, the third mounting groove and the fourth mounting groove are respectively internally provided with a third belt and a fourth belt which are used for horizontally clamping the PCB materials, the first driving rod is provided with a first driving device which is used for driving the first belt and the second belt in the first mounting groove and the second mounting groove to convey the third driving rod and the fourth driving rod, the third driving rod is provided with a second driving device which is used for driving the third belt and the fourth belt in the third mounting groove and the fourth mounting groove to convey the PCB materials, the first mounting groove and the second mounting groove are respectively internally provided with a second driving device which can move along with the first belt, The second belt clamping conveying process rotates a plurality of limiting clamping devices which horizontally support and limit the conveying object to move along the Z-axis direction on the first belt or the second belt, automatically reset and limit the first belt or the second belt to move along the Y-axis direction when the conveying object is not clamped and conveyed, a plurality of limiting clamping devices which horizontally support and limit the conveying object to move along the Z-axis direction on the first belt or the second belt, automatically reset and limit the third belt or the fourth belt to move along the Y-axis direction when the conveying object is not clamped and conveyed are respectively arranged in the third mounting groove and the fourth mounting groove along with the rotation of the third belt and the fourth belt clamping conveying process, and a plurality of limiting clamping devices which horizontally support and limit the third belt or the fourth belt to move along the Y-axis direction are respectively arranged between the two ends of the third driving rod and the fourth driving rod and can correspondingly adjust the length along with the second driving rod according to the Y-axis direction length adjusting position of the conveyed PCB plate and a support rod which rotates and is supported on the lower surface of the two rows of PCB plate connecting positions by ninety degrees when the longest length is reached The supporting mechanism is provided with a third driving device used for driving the second driving rod to slide on the driving panel, and the driving panel is provided with a guiding device used for guiding the second driving rod to linearly slide along the Y-axis direction.

The further improvement is that: the limiting and clamping device comprises a first upper limiting sheet, a second upper limiting sheet, a first lower limiting sheet and a second lower limiting sheet, the first upper limiting sheet and the second upper limiting sheet are symmetrically arranged at two sides of a first belt or a third belt, the upper ends of the first upper limiting sheet and the second upper limiting sheet are fixedly arranged on the upper groove wall of the first mounting groove or the second mounting groove or the third mounting groove or the fourth mounting groove, the first lower limiting sheet and the second lower limiting sheet are symmetrically arranged at two sides of the second belt or the fourth belt, the lower ends of the first lower limiting sheet and the second lower limiting sheet are fixedly arranged on the lower groove wall of the first mounting groove or the second mounting groove or the third mounting groove or the fourth mounting groove, the free ends of the first upper limiting sheet and the second upper limiting sheet are positioned in the first belt or the third belt and are horizontally provided with a first rotating shaft along the vertical conveying direction, the two ends of the first rotating shaft are respectively and rotatably arranged on the first upper limiting sheet and the second upper limiting sheet, the first rotating shaft is fixedly sleeved with an upper cam, the free ends of the first lower limiting sheet and the second lower limiting sheet are positioned in the second belt or the fourth belt and horizontally provided with a second rotating shaft along the vertical conveying direction, the two ends of the second rotating shaft are respectively and rotatably arranged on the first upper limiting sheet and the second upper limiting sheet, the second rotating shaft is fixedly sleeved with a lower cam, the symmetrical long edges of the upper cam and the lower cam are linear edges, the linear edges of the upper cam and the lower cam can respectively horizontally abut the straight long edges against the first belt or the third belt, the second belt or the fourth belt along with the conveying of the conveyed object to clamp the conveyed object, the upper cam is provided with a first resetting device which enables the protruding part of the upper cam to be positioned right above the rotating center, and the lower cam is provided with a second resetting device which enables the convex part of the lower cam to be positioned right below the rotating center.

The further improvement is that: the first reset device comprises a first reset groove which is formed in the position, away from the lug boss, of the upper cam, and a first gravity block which is used for driving the lug boss of the upper cam to reset upwards is arranged in the first reset groove.

The further improvement is that: the second reset device comprises a second reset groove which is formed in the position, far away from the lug boss, of the lower cam, and a second gravity block which is used for driving the lug boss of the upper cam to reset downwards is arranged in the second reset groove.

The further improvement is that: the adjusting and supporting mechanism comprises a first supporting rod and a second supporting rod, the first supporting rod and the second supporting rod are respectively arranged between two end portions of a third driving rod and a fourth driving rod, one end of the first supporting rod is fixedly arranged on the third driving rod, one end of the second supporting rod is fixedly arranged on the fourth driving rod, the free end of the first supporting rod is provided with a supply, the free end of the second supporting rod slides to insert an adjusting groove for adjusting the length, the free end of the second supporting rod is provided with a third supporting rod which can rotate along with the relative sliding of the first supporting rod and the second supporting rod and is used for supporting the lower surfaces of two rows of PCB connecting positions on a PCB, the second supporting rod is provided with a folding groove for folding the third supporting rod, and a driving mechanism which is used for driving the third supporting rod to rotate to the position perpendicular to the second supporting rod when the longest adjusting length relatively slides between the first supporting rod and the second supporting rod is arranged between the first supporting rod and the second supporting rod.

The further improvement is that: the driving mechanism comprises a rotating groove which is arranged along the X-axis direction and is arranged in the middle of the free end of the second supporting rod, a rotating shaft is rotatably arranged in the rotating groove along the Z-axis direction, the lower end part of the rotating shaft is rotatably arranged on the lower groove wall of the rotating groove, the upper end part of the rotating shaft penetrates through the upper groove wall of the rotating groove and extends into the folding groove, the upper end surface of the rotating shaft does not exceed the upper end surface of the second supporting rod, one end of the third support rod is provided with a connecting hole for the rotating shaft to be fixedly inserted into, the rotating shaft is fixedly sleeved with a gear at the position in the rotating groove, and a driving device which is used for driving the gear to drive the third supporting rod to rotate to a position perpendicular to the second supporting rod when the first supporting rod and the second supporting rod relatively slide to the longest adjusting length is arranged between the first supporting rod and the second supporting rod.

The further improvement is that: the driving device comprises a sliding strip arranged on the side wall of the adjusting groove, the side wall of the second supporting rod is provided with a sliding groove for sliding the sliding strip, the sliding strip is attached to the inner wall of the sliding groove along the upper surface and the lower surface of the Z-axis direction, and a rack which can be separated from or meshed with the gear is arranged in the middle of the sliding strip.

The further improvement is that: the upper surfaces of the first supporting rod, the second supporting rod and the third supporting rod are positioned on the same horizontal plane.

The further improvement is that: the first driving device comprises a first motor, a shell of the first motor is fixedly arranged on the driving panel, first belt wheels used for driving the first belt and the second belt to move are respectively arranged on two sides of the first belt and two sides of the second belt, the first belt wheels are respectively and rotatably arranged in the first mounting groove or the second mounting groove, and a rotating shaft of the first motor is fixedly connected with a roller of the first belt wheels.

The further improvement is that: the second driving device comprises a micro motor, a shell of the second motor is fixedly arranged on the third driving rod, second belt wheels used for driving the third belt and the fourth belt to move are arranged on two sides of the third belt and the fourth belt respectively, the second belt wheels are rotatably arranged in the third mounting groove or the fourth mounting groove respectively, and a rotating shaft of the third micro motor is fixedly connected with a roller shaft of the second belt wheels in the third mounting groove.

The further improvement is that: the third driving device comprises a third motor, a third motor shell is fixedly arranged on the driving panel, a threaded pipe is arranged on the lower end face of the second driving rod, a lead screw is arranged in the threaded pipe in a rotatable penetrating mode, one end of the lead screw is fixedly connected to a rotating shaft of the third motor, and the other end of the lead screw is rotatably arranged on the driving panel.

The further improvement is that: the guide device comprises guide sliding grooves which are linearly arranged at two end parts of the second driving rod along the direction parallel to the Y axis, and sliding blocks which slide with the guide sliding grooves are fixedly arranged on the lower end surface of the second driving rod.

By adopting the technical scheme, the invention has the beneficial effects that:

1. when the double-row PCB is spliced with the electrical elements, the third support rod can be supported at the joint of the two rows of PCBs, so that the PCBs cannot bend downwards in the splicing process, cannot shake up and down, and the splicing precision of the electrical elements is improved.

2. According to the invention, the third supporting rod can rotate out to support the PCB when double rows of PCB plates with specific lengths are spliced, so that the single-row PCB plate with the length in the Y-axis direction smaller than that of the double rows of PCB plates in the Y-axis direction can be adapted. In order to adapt to double-row PCB plates with different lengths, a fixed whole formed by combining the third supporting rod, the fourth supporting rod, the middle first supporting rod and the middle second supporting rod can be integrally replaced by other lengths, the replacement principle is the double-row PCB plate which is suitable for the corresponding length, and meanwhile, the double-row PCB plate can be suitable for a single-row PCB plate with the length smaller than the Y length of the double-row PCB plate. The distance between the second driving rod and the first driving rod is adjusted through program control, and meanwhile, the second driving rod drives the fourth driving rod, so that automatic adjustment of equipment is not affected.

3. The limiting clamping device replaces the original pressing and clamping structure, is arranged in the driving rod, reduces the size of the driving panel in the Y direction, enlarges the movable range of the driving panel, increases the operation space of the equipment in the Y direction, and simultaneously avoids the interference of some parts. The upper cam and the lower cam change working states along with the rotation of conveyed objects and automatically reset, other electric control driving is not needed, equipment is simplified, and a control program is simplified.

Drawings

Fig. 1 is an explanatory view of a prior art in the background art in an automatic loading and unloading workbench for a pin corner of a PCB board according to an embodiment of the present invention.

Fig. 2 is a working state diagram of an automatic loading and unloading workbench for a pin corner of a PCB board when the length of an adjusting support mechanism is adjusted to the longest length according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of an adjusting and supporting mechanism in an automatic loading and unloading workbench for a pin corner of a PCB according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of an expanded adjusting and supporting mechanism in an automatic loading and unloading workbench for a pin corner of a PCB according to an embodiment of the present invention.

Fig. 5 is a schematic view of an internal structure of an adjusting and supporting mechanism in an automatic loading and unloading workbench for a pin corner of a PCB according to an embodiment of the present invention.

Fig. 6 is a schematic structural view of a second support rod in an adjusting and supporting mechanism of an automatic loading and unloading workbench for a pin corner of a PCB board according to an embodiment of the present invention.

Fig. 7 is a schematic structural view of a driving mechanism of an adjusting and supporting mechanism in an automatic loading and unloading workbench for a pin corner of a PCB according to an embodiment of the present invention.

Fig. 8 is a schematic view of an internal structure of a limiting and clamping device in an automatic feeding and discharging workbench for a pin corner of a PCB according to an embodiment of the present invention.

Fig. 9 is an enlarged view of a portion of a structure at a position a of an automatic loading and unloading table for a pin corner of a PCB board according to the embodiment of the present invention in fig. 5.

Fig. 10 is an enlarged view of a portion of a table B for automatically loading and unloading a pin corner of a PCB of fig. 6 according to an embodiment of the present invention.

Fig. 11 is an enlarged view of a portion of a structure at a position C in the automatic loading and unloading table for a pin corner of a PCB of fig. 8 according to an embodiment of the present invention.

Detailed Description

The invention will now be further described with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 and 11, an embodiment of the invention discloses an automatic loading and unloading workbench for a pin corner of a PCB, which includes a driving panel 10 slidably disposed on an external machine along an X axis and a Y axis, an operation opening 11 for exposing the PCB for inserting an electrical component is formed in the middle of the driving panel 10, a first driving rod 12 and a second driving rod 13 are disposed on the driving panel 10 for respectively clamping two ends of the PCB and conveying along the X axis, the first driving rod 12 is fixedly disposed on the upper end surface of the driving panel 10, the second driving rod 13 is slidably disposed on the upper end surface of the driving panel 10 along the Y axis, a first mounting groove 14 and a second mounting groove are respectively formed in opposite sides of the first driving rod 12 and the second driving rod 13 along the X axis, and a first belt 16, a second belt, a first belt and a second belt are respectively disposed in the first mounting groove 14 and the second mounting groove for vertically clamping each other, Second belt 17, first belt 16 and second belt 17 of first actuating lever 12, second actuating lever 13 between can break away from respectively and press from both sides hold third actuating lever 18, fourth actuating lever 19, third mounting groove 20, the fourth mounting groove that is used for the centre gripping and carries the PCB version material are offered respectively to the opposite side of third actuating lever 18, fourth actuating lever 19 along the X axle direction, be provided with third belt 22, fourth belt 23 that are used for mutual horizontal centre gripping PCB version material in third mounting groove 20 and the fourth mounting groove respectively, be provided with on the first actuating lever 12 and be used for driving first belt 16, the action of second belt 17 in first mounting groove 14 and the second mounting groove carry first drive arrangement of third actuating lever 18 and fourth actuating lever 19, be provided with on the third actuating lever 18 and be used for driving third belt 22 in third mounting groove 20 and the fourth mounting groove, A second driving device for conveying the PCB plate by the action of a fourth belt 23, wherein a plurality of limiting clamping devices which can rotate along with the clamping and conveying processes of the first belt 16 and the second belt 17 and horizontally abut the long straight edge against the first belt 16 or the second belt 17 to limit the movement of the conveyed object along the Z-axis direction, automatically reset and limit the displacement of the first belt 16 or the second belt 17 along the Y-axis direction when the conveying is not clamped are respectively arranged in the first mounting groove 14 and the second mounting groove, a plurality of limiting clamping devices which can rotate along with the clamping and conveying processes of the third belt 22 and the fourth belt 23 and horizontally abut the long straight edge against the first belt 16 or the second belt 17 to limit the movement of the conveyed object along the Z-axis direction and automatically reset and limit the displacement of the third belt 22 or the fourth belt 23 along the Y-axis direction when the conveying is not clamped are respectively arranged in the third mounting groove 20 and the fourth mounting groove, be provided with respectively between third actuating lever 18 and the fourth actuating lever 19 both ends and can follow second actuating lever 13 according to the corresponding adjustment length of the Y axle direction length adjustment position of the PCB version of carrying and when reacing the longest length the regulation supporting mechanism that a bracing piece rotated ninety degrees and supported on two rows of PCB board hookup location's lower surface, be provided with on the driving panel 10 and be used for the drive the third drive arrangement that second actuating lever 13 slided, be provided with on the driving panel 10 and be used for the guide the guider that second actuating lever 13 slided along Y axle direction straight line.

The limiting and clamping device comprises a first upper limiting piece 24, a second upper limiting piece, a first lower limiting piece 26 and a second lower limiting piece, the first upper limiting piece 24 and the second upper limiting piece are symmetrically arranged at two sides of a first belt 16 or a third belt 22, the upper ends of the first upper limiting piece 24 and the second upper limiting piece are fixedly arranged on the upper groove wall of the first mounting groove 14 or the second mounting groove or the third mounting groove 20 or the fourth mounting groove, the first lower limiting piece 26 and the second lower limiting piece are symmetrically arranged at two sides of a second belt 17 or the fourth belt 23, the lower ends of the first lower limiting piece 26 and the second lower limiting piece are fixedly arranged on the lower groove wall of the first mounting groove 14 or the second mounting groove or the third mounting groove 20 or the fourth mounting groove, the free ends of the first upper limiting piece 24 and the second upper limiting piece are positioned in the first belt 16 or the third belt 22 and are horizontally provided with a first rotating shaft 28 along the vertical conveying direction, the two end portions of the first rotating shaft 28 are respectively rotatably arranged on the first upper limiting piece 24 and the second upper limiting piece, an upper cam 29 is fixedly sleeved on the first rotating shaft 28, the free ends of the first lower limiting piece 26 and the second lower limiting piece are positioned in the second belt 17 or the fourth belt 23 and horizontally provided with a second rotating shaft 30 along the vertical conveying direction, the two end portions of the second rotating shaft 30 are respectively rotatably arranged on the first upper limiting piece 24 and the second upper limiting piece, a lower cam 31 is fixedly sleeved on the second rotating shaft 30, the long symmetrical edges of the upper cam 29 and the lower cam 31 are linear edges 32, the linear edges 32 of the upper cam 29 and the lower cam 31 can respectively horizontally abut the long straight edges against the first belt 16 or the third belt 22, the second belt 17 or the fourth belt 23 to clamp the conveyed object along with the conveyance of the conveyed object, and a first resetting device which enables the protruding portion of the upper cam 29 to be positioned right above the rotation center is arranged on the upper cam 29 And the lower cam 31 is provided with a second resetting device which enables the convex part of the lower cam 31 to be positioned right below the rotation center. The first reset device comprises a first reset groove which is formed in the position, far away from the boss, of the upper cam 29, and a first gravity block 33 which is used for driving the boss of the upper cam 29 to reset upwards is arranged in the first reset groove. The second reset device comprises a second reset groove which is formed in the position, far away from the boss, of the lower cam 31, and a second gravity block 34 which is used for driving the boss of the upper cam 29 to reset downwards is arranged in the second reset groove.

The adjusting and supporting mechanism comprises a first supporting rod 35 and a second supporting rod 36 which are respectively arranged between two end parts of a third driving rod 18 and a fourth driving rod 19, one end of the first supporting rod 35 is fixedly arranged on the third driving rod 18, one end of the second supporting rod 36 is fixedly arranged on the fourth driving rod 19, the free end of the first supporting rod 35 is provided with an adjusting groove 37 for the free end of the second supporting rod 36 to be inserted and adjusted in length in a sliding manner, the free end of the second supporting rod 36 is provided with a third supporting rod 38 which can rotate along with the relative sliding of the first supporting rod 35 and the second supporting rod 36 and is used for supporting the lower surfaces of two rows of PCB connecting positions on a PCB plate, the upper surfaces of the first supporting rod 35, the second supporting rod 36 and the third supporting rod 38 are positioned on the same horizontal plane, the second supporting rod 36 is provided with a folding groove 39 for folding the third supporting rod 38, the first supporting rod 35 is provided with a yielding groove 9 for preventing the first supporting rod 35 from interfering with the rotation of the third supporting rod 38, and a driving mechanism for driving the third supporting rod 38 to rotate to a position perpendicular to the second supporting rod 36 when the first supporting rod 35 and the second supporting rod 36 relatively slide to the longest adjustment length is arranged between the first supporting rod 35 and the second supporting rod 36.

The driving mechanism comprises a rotating groove 40 which is arranged at the middle part of the free end of the second supporting rod 36 along the X-axis direction, a rotating shaft 41 is rotatably arranged in the rotating groove 40 along the Z-axis direction, the lower end part of the rotating shaft 41 is rotatably arranged on the lower groove wall of the rotating groove 40, the upper end of the rotating shaft 41 penetrates through the upper groove wall of the rotating groove 40 and extends into the folding groove 39, the upper end surface of the rotating shaft 41 does not exceed the upper end surface of the second supporting rod 36, one end of the third supporting rod 38 is provided with a connecting hole for the rotating shaft 41 to be fixedly inserted into, the rotating shaft 41 is located in the rotating groove 40, a gear 43 is fixedly sleeved on the rotating groove, and a driving device for driving the gear 43 to drive the third supporting rod 38 to rotate to a position perpendicular to the second supporting rod 36 when the first supporting rod 35 and the second supporting rod 36 relatively slide to the longest adjusting length is arranged between the first supporting rod 35 and the second supporting rod 36. The driving device comprises a sliding bar 44 arranged on the side wall of the adjusting groove 37, a sliding groove 45 for the sliding bar 44 to slide is formed in the side wall of the second supporting rod 36, the upper surface and the lower surface of the sliding bar 44 along the Z-axis direction are attached to the inner wall of the sliding groove 45, a rack 46 capable of being disengaged from or engaged with the gear 43 for transmission is arranged in the middle of the sliding bar 44, and when the first supporting rod 35 and the second supporting rod 36 slide relatively to the maximum adjusting distance, the rack 46 is engaged with the gear 43 to drive the third supporting rod 38 to rotate.

First drive arrangement includes first motor 47, the casing of first motor 47 fixed set up in on the drive panel 10, first belt 16, second belt 17 both sides are provided with respectively and are used for driving first belt 16, the first belt pulley 48 of second belt 17 action respectively, first belt pulley 48 respectively rotatable set up in first mounting groove 14 or the second mounting groove, one in first motor 47's the rotation axis and the first mounting groove 14 the roller bearing fixed connection of first belt pulley 48, first belt 16 action in the first mounting groove 14 of first motor 47 drive drives the second belt 17 action through the clamp, drives first belt 16 and the second belt 17 clamp action in the second mounting groove through first bracing piece 35 and second bracing piece 36 simultaneously.

Second drive arrangement includes micro motor 49, the casing of second motor fixed set up in on the third actuating lever 18, third belt 22, fourth belt 23 both sides are provided with respectively and are used for driving second belt pulley 50 of third belt 22, fourth belt 23 action respectively, second belt pulley 50 respectively rotatable set up in third mounting groove 20 or the fourth mounting groove, one in the rotation axis of third micro motor 49 and the third mounting groove 20 the roller bearing fixed connection of second belt pulley 50, micro motor 49 drive the third belt 22 action in the third mounting groove 20, drive fourth belt 23 action through clamping PCB version simultaneously to and drive third belt 22 and fourth belt 23 action in the fourth mounting groove through PCB version.

The third driving device comprises a third motor 51, a shell of the third motor 51 is fixedly arranged on the driving panel 10, a threaded pipe is arranged on the lower end face of the second driving rod 13, a lead screw 52 is rotatably arranged in the threaded pipe in a penetrating manner, one end of the lead screw 52 is fixedly connected to a rotating shaft of the third motor 51, and the other end of the lead screw is rotatably arranged on the driving panel 10.

The guide device comprises guide sliding grooves 53 which are linearly arranged at two end parts of the second driving rod 13 along a direction parallel to the Y axis, and sliding blocks which slide with the guide sliding grooves 53 are fixedly arranged on the lower end surface of the second driving rod 13.

A use method of an automatic feeding and discharging workbench for a pin bending angle of a PCB comprises the steps that a driving panel 10 is installed on an operation table of external equipment, the equipment controls the driving panel 10 to move along the X-axis direction and the Z-axis direction, and when the driving panel 10 is located at the origin of coordinates of a machine tool, the driving panel 10 is located between a feeding device and a discharging device of machining equipment and is convenient to be matched with the feeding and discharging device of the equipment.

The distance between the first driving rod 12 and the second driving rod 13 on the driving panel 10 is correspondingly adjusted according to the length of the PCB to be processed in the Y-axis direction, the lead screw is driven by the third motor 51 to rotate to drive the second driving rod 13 to slide so as to realize automatic adjustment, after the first driving rod 12 and the second driving rod 13 are adjusted, two ends of the PCB are clamped between the third belt 22 and the fourth belt 23, the upper cam 29 and the lower cam 31 in the third mounting groove 20 and the fourth mounting groove respectively abut against the lower layer of the third belt 22 and the upper layer of the fourth belt 23 and abut against the PCB to horizontally clamp the PCB, because the distance between the upper cam 29 and the lower cam 31 and the upper and lower walls of the third mounting groove 20 and the fourth mounting groove is fixed, the PCB cannot shake up and down under the abutting of the upper cam 29 and the lower cam 31, and the position accuracy of the PCB is ensured, the plugging precision of the electrical element is improved.

The third supporting rod 38 cannot rotate along with the sliding of the first supporting rod 35 and the second supporting rod 36 within a certain range of the sliding adjustment of the first supporting rod 35 and the second supporting rod 36, so that the third driving rod 18 and the fourth driving rod 19 cannot drive the third supporting rod 38 to rotate when adjusted according to a certain range of PCB printing materials, thereby avoiding the influence on the plugging of electrical elements. When the PCB plate material conveyed by clamping is the PCB plates with the specific length value in the two rows of Y-axis directions, the first supporting rod 35 and the second supporting rod 36 slide and expand to the maximum length, and at the moment, the third supporting rod 38 rotates to the position perpendicular to the second supporting rod 36 to support the PCB plates between the two rows of PCB plates, so that the weak position of the connection of the two rows of PCB plates in the process of the insertion of the electric elements of the PCB plate material cannot move up and down along with the insertion of the electric elements, the cracking of the PCB plate material is avoided, and the insertion precision of the PCB plate material is improved.

While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are included to illustrate the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims

1. The utility model provides a go up unloading workstation in automation for PCB board stitch bent angle, sets up the driver panel on outside board including the activity, the driver panel middle part is offered and is used for exposing the PCB board and carries out the operation opening that electric component inserted and establish, last first actuating lever, the second actuating lever that is used for centre gripping PCB edition material both ends respectively and carries along the X axle direction of being provided with of driver panel, first actuating lever is fixed to be set up in the driver panel up end, the second actuating lever can follow Y axle slide set up in the driver panel up end, its characterized in that: the opposite sides of the first driving rod and the second driving rod are respectively provided with a first mounting groove and a second mounting groove along the X-axis direction, a first belt and a second belt which are mutually clamped from top to bottom are respectively arranged in the first mounting groove and the second mounting groove, a third driving rod and a fourth driving rod can be respectively clamped between the first belt and the second belt of the first driving rod and the second driving rod in a detachable manner, the opposite sides of the third driving rod and the fourth driving rod are respectively provided with a third mounting groove and a fourth mounting groove which are used for clamping and conveying PCB (printed circuit board) along the X-axis direction, a third belt and a fourth belt which are used for horizontally clamping the PCB are respectively arranged in the third mounting groove and the fourth mounting groove, the first driving rod is provided with a first driving device which is used for driving the first belt and the second belt in the first mounting groove and the second mounting groove to convey the third driving rod and the fourth driving rod, the third driving rod is provided with a second driving device for driving a third belt and a fourth belt in a third mounting groove and a fourth mounting groove to move and convey the PCB, the first mounting groove and the second mounting groove are respectively internally provided with a plurality of limiting clamping devices which can rotate along with the clamping conveying process of the first belt and the second belt and horizontally abut against the first belt or the second belt to limit the movement of the conveyed object along the Z-axis direction, automatically reset when the clamping conveying is not carried out and limit the displacement of the first belt or the second belt along the Y-axis direction, the third mounting groove and the fourth mounting groove are respectively provided with a plurality of limiting clamping devices which can rotate along with the clamping conveying process of the third belt and the fourth belt and horizontally abut against the limited conveyed object on the first belt or the second belt to move along the Z-axis direction, automatically reset when the clamping conveying is not carried out and limit the displacement of the third belt or the fourth belt along the Y-axis direction, be provided with respectively between third actuating lever and the fourth actuating lever both ends and can be along with the second actuating lever according to the Y axle direction length adjustment position of the PCB version of transport and corresponding adjustment length to when reacing the longest length the regulation supporting mechanism that a bracing piece rotated ninety degrees and supported on two rows of PCB board hookup location's lower surface, be provided with on the drive panel and be used for the drive the third drive arrangement that the second actuating lever slided, be provided with on the drive panel and be used for the guide the guider that the second actuating lever slided along Y axle direction straight line.

2. The automatic feeding and discharging workbench for the pin bending angle of the PCB as claimed in claim 1, wherein: the limiting and clamping device comprises a first upper limiting sheet, a second upper limiting sheet, a first lower limiting sheet and a second lower limiting sheet, the first upper limiting sheet and the second upper limiting sheet are symmetrically arranged at two sides of a first belt or a third belt, the upper ends of the first upper limiting sheet and the second upper limiting sheet are fixedly arranged on the upper groove wall of the first mounting groove or the second mounting groove or the third mounting groove or the fourth mounting groove, the first lower limiting sheet and the second lower limiting sheet are symmetrically arranged at two sides of the second belt or the fourth belt, the lower ends of the first lower limiting sheet and the second lower limiting sheet are fixedly arranged on the lower groove wall of the first mounting groove or the second mounting groove or the third mounting groove or the fourth mounting groove, the free ends of the first upper limiting sheet and the second upper limiting sheet are positioned in the first belt or the third belt and are horizontally provided with a first rotating shaft along the vertical conveying direction, the two ends of the first rotating shaft are respectively and rotatably arranged on the first upper limiting sheet and the second upper limiting sheet, the first rotating shaft is fixedly sleeved with an upper cam, the free ends of the first lower limiting sheet and the second lower limiting sheet are positioned in the second belt or the fourth belt and horizontally provided with a second rotating shaft along the vertical conveying direction, the two ends of the second rotating shaft are respectively and rotatably arranged on the first upper limiting sheet and the second upper limiting sheet, the second rotating shaft is fixedly sleeved with a lower cam, the symmetrical long edges of the upper cam and the lower cam are linear edges, the linear edges of the upper cam and the lower cam can respectively horizontally abut the straight long edges against the first belt or the third belt, the second belt or the fourth belt along with the conveying of the conveyed object to clamp the conveyed object, the upper cam is provided with a first resetting device which enables the protruding part of the upper cam to be positioned right above the rotating center, and the lower cam is provided with a second resetting device which enables the convex part of the lower cam to be positioned right below the rotating center.

3. The automatic feeding and discharging workbench for the pin bending angle of the PCB as claimed in claim 2, wherein: the first reset device comprises a first reset groove which is formed in the position, away from the lug boss, of the upper cam, and a first gravity block which is used for driving the lug boss of the upper cam to reset upwards is arranged in the first reset groove.

4. The automatic feeding and discharging workbench for the pin bending angle of the PCB as claimed in claim 3, wherein: the second reset device comprises a second reset groove which is formed in the position, far away from the lug boss, of the lower cam, and a second gravity block which is used for driving the lug boss of the upper cam to reset downwards is arranged in the second reset groove.

5. The automatic feeding and discharging workbench for the pin bending angle of the PCB as claimed in claim 1, wherein: the adjusting and supporting mechanism comprises a first supporting rod and a second supporting rod, the first supporting rod and the second supporting rod are respectively arranged between two end portions of a third driving rod and a fourth driving rod, one end of the first supporting rod is fixedly arranged on the third driving rod, one end of the second supporting rod is fixedly arranged on the fourth driving rod, the free end of the first supporting rod is provided with a supply, the free end of the second supporting rod slides to insert an adjusting groove for adjusting the length, the free end of the second supporting rod is provided with a third supporting rod which can rotate along with the relative sliding of the first supporting rod and the second supporting rod and is used for supporting the lower surfaces of two rows of PCB connecting positions on a PCB, the second supporting rod is provided with a folding groove for folding the third supporting rod, and a driving mechanism which is used for driving the third supporting rod to rotate to the position perpendicular to the second supporting rod when the longest adjusting length relatively slides between the first supporting rod and the second supporting rod is arranged between the first supporting rod and the second supporting rod.

6. The automatic feeding and discharging workbench for the pin bending angle of the PCB as claimed in claim 5, wherein: the driving mechanism comprises a rotating groove which is arranged along the X-axis direction and is arranged in the middle of the free end of the second supporting rod, a rotating shaft is rotatably arranged in the rotating groove along the Z-axis direction, the lower end part of the rotating shaft is rotatably arranged on the lower groove wall of the rotating groove, the upper end part of the rotating shaft penetrates through the upper groove wall of the rotating groove and extends into the folding groove, the upper end surface of the rotating shaft does not exceed the upper end surface of the second supporting rod, one end of the third support rod is provided with a connecting hole for the rotating shaft to be fixedly inserted into, the rotating shaft is fixedly sleeved with a gear at the position in the rotating groove, and a driving device which is used for driving the gear to drive the third supporting rod to rotate to a position perpendicular to the second supporting rod when the first supporting rod and the second supporting rod relatively slide to the longest adjusting length is arranged between the first supporting rod and the second supporting rod.

7. The automatic feeding and discharging workbench for the pin bending angle of the PCB as claimed in claim 6, wherein: the driving device comprises a sliding strip arranged on the side wall of the adjusting groove, the side wall of the second supporting rod is provided with a sliding groove for sliding the sliding strip, the sliding strip is attached to the inner wall of the sliding groove along the upper surface and the lower surface of the Z-axis direction, and a rack which can be separated from or meshed with the gear is arranged in the middle of the sliding strip.

8. The automatic feeding and discharging workbench for the pin bending angle of the PCB as claimed in claim 6, wherein: the upper surfaces of the first supporting rod, the second supporting rod and the third supporting rod are positioned on the same horizontal plane.

9. The automatic feeding and discharging workbench for the pin bending angle of the PCB as claimed in claim 1, wherein: the first driving device comprises a first motor, a shell of the first motor is fixedly arranged on the driving panel, first belt wheels used for driving the first belt and the second belt to move are respectively arranged on two sides of the first belt and two sides of the second belt, the first belt wheels are respectively and rotatably arranged in the first mounting groove or the second mounting groove, and a rotating shaft of the first motor is fixedly connected with a roller of the first belt wheels.

10. The automatic feeding and discharging workbench for the pin bending angle of the PCB as claimed in claim 1, wherein: the second driving device comprises a micro motor, a shell of the second motor is fixedly arranged on the third driving rod, second belt wheels used for driving the third belt and the fourth belt to move are arranged on two sides of the third belt and the fourth belt respectively, the second belt wheels are rotatably arranged in the third mounting groove or the fourth mounting groove respectively, and a rotating shaft of the third micro motor is fixedly connected with a roller shaft of the second belt wheels in the third mounting groove.