CN114340201B

CN114340201B - Automatic feeding and discharging workbench for pin bent angles of PCB (printed circuit board)

Info

Publication number: CN114340201B
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: 2023-09-29
Anticipated expiration: 2041-12-31
Also published as: CN114340201A

Abstract

The invention relates to the technical field of PCB processing, and provides an automatic feeding and discharging workbench for PCB pin bent angles, which can stably convey PCB materials.

Description

Automatic feeding and discharging workbench for pin bent angles of PCB (printed circuit board)

Technical Field

The invention relates to the technical field of PCB processing, in particular to an automatic feeding and discharging workbench for pin bent angles of a PCB.

Background

When the electrical element is inserted into the PCB, pins of the electrical element are required to be bent, and the problem that the follow-up processing is affected due to the falling of the electrical element caused by moving the PCB in the follow-up processing is avoided. In the existing equipment for automatically inserting and bending the PCB, the PCB is borne by a workbench, and 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, so that the position of the PCB, in which an electric element is to be inserted, is positioned between a clamping jaw for clamping the electric element and a push rod' 11 for bending the pin of the electric element.

The workbench mainly comprises a driving panel '1, an operation opening '2 for inserting an electric element is formed in the middle of the driving panel, 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 feeding and discharging are arranged on the driving panel, the first driving rod is fixedly arranged on the driving panel, the second driving rod drives a guide chute '12 formed 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 pulleys through belt pulleys '7 arranged at the two ends of the upper layer and the lower layer to clamp the PCB to move, 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 is too long in stroke, so that the belt at the middle part can sag due to gravity, and the other clamping structure can shake up and down in the clamping process to avoid shaking of the panel when the electric element is inserted. The drive panel is provided with a plurality of pressing blocks' 9 which can turn over and 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 board is prevented from shaking up and down along with the belt when the electric element is inserted.

In order to improve production efficiency, the workbench is integrally conveyed when conveying the PCB 10, and the boards 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 plates which are arranged side by side; when the length of the PCB is not so long, the plate consists of two rows of PCB plates which are arranged side by side. When the plate is formed by a row of PCB boards, two ends of the PCB boards are respectively supported on the first driving rod and the second driving rod, and the middle part of the PCB board cannot collapse when the electric element is inserted. When the edition is formed by two rows of PCB boards, only one end of the PCB board is fixed on the first driving rod or the second driving rod, one end of the PCB board which is not supported in the process of inserting the electric element can be bent downwards along with the insertion of the electric element, and the influence on the inserting precision of the electric element can also lead the PCB board on the edition to be split and influence on the production and processing.

Disclosure of Invention

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

In order to solve the technical problems, the invention adopts the following solution: the automatic feeding and discharging workbench for the stitch bent angle of the PCB comprises a driving panel movably arranged on an external machine table, an operation opening for inserting an electric element is formed in the middle of the driving panel, a first driving rod and a second driving rod which are used for respectively clamping two ends of a PCB and conveying 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 slidably arranged on the upper end surface of the driving panel along the Y-axis, a first mounting groove and a second mounting groove are respectively 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 mutually clamped up and down are respectively arranged in the first mounting groove and the second mounting groove, the first driving rod and the second driving rod are respectively and detachably clamped with a third driving rod and a fourth driving rod, 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 used for clamping and conveying PCB printing plates along the X-axis direction, the third mounting groove and the fourth mounting groove are respectively provided with a third belt and a fourth belt used for clamping the PCB horizontally, the first driving rod is provided with a first driving device used for driving the first belt and the second belt in the first mounting groove and the second mounting groove, the second driving rod is used for conveying the third driving rod and the fourth driving rod in an action mode, the third driving rod is provided with a second driving device used for driving the third belt and the fourth belt in the third mounting groove and the fourth mounting groove, the first mounting groove is provided with a second driving device used for conveying the PCB in an action mode, the first mounting groove is provided with a third driving device, the second mounting groove is respectively provided with a plurality of limiting clamping devices which can horizontally support against the first belt or the second belt in a rotating manner along the Z-axis direction along with the clamping and conveying process of the first belt or the second belt, automatically reset and limit the displacement of the first belt or the second belt along the Y-axis direction when the first belt or the second belt is not clamped and conveyed, the third mounting groove and the fourth mounting groove are respectively provided with an adjusting supporting mechanism which can horizontally support against the first belt or the second belt in a rotating manner along with the clamping and conveying process of the third belt or the fourth belt, automatically reset and limit the displacement of the third belt or the fourth belt along the Y-axis direction when the third belt or the fourth belt is not clamped and conveyed, the adjusting supporting mechanism which can correspondingly adjust the length along with the Y-axis direction length adjustment position of the second driving rod according to the PCB printing plate material conveyed and is rotatably ninety degrees supported on the lower surface of the connecting position of the two rows of plates when the second driving rod reaches the longest length is respectively arranged between the two ends of the third driving rod and the fourth driving rod, and the second driving rod is provided with a linear driving device for sliding the second driving rod along the Y-axis direction.

The further improvement is that: the limiting clamping device comprises a first upper limiting piece, a second upper limiting piece, a first lower limiting piece and a second lower limiting piece, wherein the first upper limiting piece and the second upper limiting piece are symmetrically arranged on two sides of a first belt or a third belt, the upper ends of the first upper limiting piece and the second upper limiting piece 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 piece and the second lower limiting piece are symmetrically arranged on two sides of the second belt or the fourth belt, the lower ends of the first lower limiting piece and the second lower limiting piece 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 piece and the second upper limiting piece 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 limit plate and the second upper limit plate, an upper cam is fixedly sleeved on the first rotating shaft, the free ends of the first lower limit plate and the second lower limit plate are positioned in the second belt or the fourth belt and are horizontally provided with the 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 limit plate and the second upper limit plate, a lower cam is fixedly sleeved on the second rotating shaft, the symmetrical long sides of the upper cam and the lower cam are linear sides, the linear sides of the upper cam and the lower cam can respectively horizontally support the straight long sides against the first belt or the third belt, the second belt or the fourth belt along with the conveying of a conveyed object to clamp the conveyed object, the upper cam is provided with a first reset device which enables the protruding part of the upper cam to be located right above the rotation center, and the lower cam is provided with a second reset device which enables the protruding part of the lower cam to be located right below the rotation center.

The further improvement is that: the first reset device comprises a first reset groove which is formed in the position, far away from the protruding part, of the upper cam, and a first gravity block which is used for driving the protruding part 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, away from the protruding part, of the lower cam, and a second gravity block used for driving the protruding part 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 which are respectively arranged between two end parts 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 an adjusting groove for enabling the free end of the second supporting rod to slide and insert an adjusting 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 the connecting positions of two rows of PCB boards on a PCB board, a folding groove for folding the third supporting rod is formed in the second supporting rod, and a driving mechanism which is used for driving the third supporting rod to rotate to be perpendicular to the position of the second supporting rod when the first supporting rod and the second supporting rod slide relatively to the longest adjusting length is arranged between the first supporting rod and the second supporting rod.

The further improvement is that: the driving mechanism comprises a rotating groove formed in the middle of the free end of the second supporting rod along the X-axis direction, 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 out of 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, a connecting hole for fixing and inserting the rotating shaft is formed in one end of the third supporting rod, a gear is fixedly sleeved on the rotating shaft in the position of the rotating groove, and a driving device used for driving the gear to rotate to be perpendicular to the position of the second supporting rod when the gear relatively slides to the longest adjusting length 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 device comprises a sliding bar arranged on the side wall of the adjusting groove, a sliding groove for sliding the sliding bar is formed in the side wall of the second supporting rod, the upper surface and the lower surface of the sliding bar along the Z-axis direction are attached to the inner wall of the sliding groove, and a rack capable of being separated from the gear or meshed with the gear for transmission is arranged in the middle of the sliding bar.

The further improvement is that: the upper surfaces of the first support rod, the second support rod and the third support 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 pulleys used for driving the first belt and the second belt to act are respectively arranged on two sides of the first belt and two sides of the second belt, the first belt pulleys are respectively 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 pulley in the first mounting groove.

The further improvement is that: the second driving device comprises a micro motor, a shell of the micro motor is fixedly arranged on the third driving rod, two sides of the third belt and the fourth belt are respectively provided with a second belt pulley used for driving the third belt and the fourth belt to act, the second belt pulleys are respectively rotatably arranged in the third mounting groove or the fourth mounting groove, and a rotating shaft of the micro motor is fixedly connected with a rolling shaft of the second belt pulley 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 screw rod is rotatably arranged in the threaded pipe in a penetrating mode, one end of the screw rod is fixedly connected to a rotating shaft of the third motor, and the other end of the screw rod 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 ends of the second driving rod along the direction parallel to the Y axis, and a sliding block which slides with the guide sliding grooves is fixedly arranged on the lower end face of the second driving rod.

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

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

2. According to the invention, the third support rod can rotate out to support the PCB when the double-row PCB with a specific length is inserted, so that the PCB can be suitable for single-row PCB with the length in the Y-axis direction smaller than the length range of the double-row PCB in the Y-axis direction. In order to adapt to double-row PCB boards with different lengths, a fixed whole formed by combining the third support rod, the fourth support rod, the first support rod in the middle and the second support rod can be integrally replaced by other lengths, the replacement principle is to adapt to double-row PCB boards with corresponding lengths, and meanwhile, the double-row PCB board with the length less than that of the double-row PCB board Y can be applied to single-row PCB boards. The distance between the second driving rod and the first driving rod is controlled and regulated through a program, and meanwhile, the second driving rod drives the fourth driving rod, so that automatic regulation of equipment is not affected.

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

Drawings

Fig. 1 is an explanatory diagram of the prior art in the background technology in an automatic feeding and discharging workbench for pin corners of a PCB board according to an embodiment of the present invention.

Fig. 2 is a working state diagram of an automatic feeding and discharging workbench for pin bending angles of a PCB board according to an embodiment of the invention, wherein the supporting mechanism is adjusted to be the longest adjusting length.

Fig. 3 is a schematic structural diagram of an adjusting and supporting mechanism in an automatic feeding and discharging workbench for pin bending angles of a PCB board according to an embodiment of the invention.

Fig. 4 is a schematic structural view of an expanded adjusting and supporting mechanism in an automatic feeding and discharging workbench for pin bending angles of a PCB board according to an embodiment of the invention.

Fig. 5 is a schematic diagram of an internal structure of an adjusting and supporting mechanism in an automatic feeding and discharging workbench for pin bending angles of a PCB board according to an embodiment of the invention.

Fig. 6 is a schematic structural view of a second support rod in an adjusting support mechanism in an automatic feeding and discharging workbench for pin bending angles of a PCB board according to an embodiment of the invention.

Fig. 7 is a schematic structural diagram of a driving mechanism of an adjusting and supporting mechanism in an automatic feeding and discharging workbench for pin bending angles of a PCB board according to an embodiment of the invention.

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

Fig. 9 is an enlarged view of a partial structure at a position a in an automatic feeding and discharging workbench for pin corners of a PCB board according to the embodiment of the invention of fig. 5.

Fig. 10 is an enlarged view of a part of the structure at B in the automatic loading and unloading table for pin corners of the PCB board according to the embodiment of the invention of fig. 6.

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

Description of the embodiments

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

Referring to fig. 1 to 11, the embodiment of the invention discloses an automatic feeding and discharging workbench for pin corners of a PCB board, comprising a driving panel 10 slidably and movably arranged on an external machine along an X axis and a Y axis, wherein an operation opening 11 for inserting electric elements is arranged in the middle of the driving panel 10 for exposing the PCB board, a first driving rod 12 and a second driving rod 13 for respectively clamping two ends of the PCB board and conveying the PCB board along the X axis are arranged on the driving panel 10, the first driving rod 12 is fixedly arranged on the upper end surface of the driving panel 10, the second driving rod 13 is slidably arranged 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 arranged on opposite sides of the first driving rod 12 and the second driving rod 13 along the X axis, the first mounting groove 14 and the second mounting groove are respectively provided with a first belt 16 and a second belt 17 which are mutually clamped up and down, a third driving rod 18 and a fourth driving rod 19 are respectively and detachably clamped between the first belt 16 and the second belt 17 of the first driving rod 12 and the second driving rod 13, opposite sides of the third driving rod 18 and the fourth driving rod 19 are respectively provided with a third mounting groove 20 and a fourth mounting groove which are used for clamping and conveying the PCB plate along the X axis direction, the third mounting groove 20 and the fourth mounting groove are respectively provided with a third belt 22 and a fourth belt 23 which are used for mutually and horizontally clamping the PCB plate, the first driving rod 12 is provided with a first driving device which is used for driving the first belt 16 and the second belt 17 in the first mounting groove 14 and the second mounting groove to move and convey the third driving rod 18 and the fourth driving rod 19, the third driving rod 18 is provided with a second driving device for driving the third belt 22 and the fourth belt 23 in the third mounting groove 20 and the fourth mounting groove to move and convey the PCB, the first mounting groove 14 and the second mounting groove are respectively provided with a plurality of limiting clamping devices which can rotate along the Z axis direction along the clamping conveying process of the first belt 16 and the second belt 17 and horizontally support the linear long side against the first belt 16 or the second belt 17, automatically reset when the conveying is not clamped and limit the displacement of the first belt 16 or the second belt 17 along the Y axis direction, the third mounting groove 20 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 22 and the fourth belt 23 and horizontally support the linear long side against the first belt 16 or the second belt 17, automatically reset when the conveying is not clamped and limit the displacement of the third belt 22 or the fourth belt 23 along the Y axis direction, the third driving rod 18 and the fourth driving rod 18 are respectively provided with a plurality of limiting clamping devices which can slide along the Y axis direction along with the length direction along the length direction of the support rod 10, and the sliding device is used for adjusting the length of the PCB along the Y axis direction along the support surface of the second driving rod 13, and the driving rod is provided with an adjusting mechanism which can adjust the length of the PCB along the length of the second driving rod 13.

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, wherein the first upper limiting piece 24 and the second upper limiting piece are symmetrically arranged at two sides of the first belt 16 or the 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 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 the 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 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 ends of the first rotating shaft 28 are respectively rotatably arranged on the first upper limit plate 24 and the second upper limit plate, an upper cam 29 is fixedly sleeved on the first rotating shaft 28, the free ends of the first lower limit plate 26 and the second lower limit plate are positioned in the second belt 17 or the fourth belt 23 and are horizontally provided with a second rotating shaft 30 along the vertical conveying direction, the two ends of the second rotating shaft 30 are respectively rotatably arranged on the first upper limit plate 24 and the second upper limit plate, a lower cam 31 is fixedly sleeved on the second rotating shaft 30, the symmetrical long sides of the upper cam 29 and the lower cam 31 are straight sides 32, the straight sides 32 of the upper cam 29 and the lower cam 31 can respectively horizontally lean against the first belt 16 or the third belt 22 along with the conveying of a conveying object, the second belt 17 or the fourth belt 23 clamps the conveyed article, the upper cam 29 is provided with a first reset device which makes the convex part of the upper cam 29 located right above the rotation center, and the lower cam 31 is provided with a second reset device which makes the convex part of the lower cam 31 located right below the rotation center. The first resetting device comprises a first resetting groove which is formed in the position, far away from the protruding part, of the upper cam 29, and a first gravity block 33 used for driving the protruding part of the upper cam 29 to reset upwards is arranged in the first resetting groove. The second resetting device comprises a second resetting groove which is arranged at the position of the lower cam 31 far away from the protruding part, and a second gravity block 34 for driving the protruding part of the upper cam 29 to reset downwards is arranged in the second resetting 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 enabling the free end of the second supporting rod 36 to slide and insert an adjusting length, 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 surface of the connecting position of two rows of PCB boards on a PCB board, 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 avoiding the rotation of the third supporting rod 38, and the first supporting rod 35 and the second supporting rod 35 is arranged between the first supporting rod 35 and the second supporting rod 36 and is used for being in the vertical to the relative sliding and the position of the second supporting rod 36 and is used for adjusting the length to be perpendicular to the second supporting rod 36 and the relative to the length.

The driving mechanism comprises a rotating groove 40 arranged in the middle of the free end of the second support 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 part of the rotating shaft 41 penetrates out of 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 support rod 36, a connecting hole for fixedly inserting the rotating shaft 41 is formed in one end of the third support rod 38, a gear 43 is fixedly sleeved on the position of the rotating shaft 41 in the rotating groove 40, and a driving device for driving the gear 43 to drive the third support rod 38 to rotate to a position perpendicular to the second support rod 36 when the relative sliding between the first support rod 35 and the second support rod 36 is carried out to the longest adjusting length. The driving device comprises a sliding bar 44 arranged on the side wall of the adjusting groove 37, a sliding groove 45 for sliding the sliding bar 44 is arranged on the side wall of the second supporting bar 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 which can be separated from or meshed with the gear 43 is arranged in the middle of the sliding bar 44, and when the first supporting bar 35 and the second supporting bar 36 relatively slide to the maximum adjusting distance, the rack 46 meshes with the gear 43 to drive the third supporting bar 38 to rotate.

The first driving device comprises a first motor 47, a shell of the first motor 47 is fixedly arranged on the driving panel 10, two sides of the first belt 16 and the second belt 17 are respectively provided with a first belt pulley 48 for driving the first belt 16 and the second belt 17 to act, the first belt pulleys 48 are respectively rotatably arranged in the first mounting groove 14 or the second mounting groove, a rotating shaft of the first motor 47 is fixedly connected with a roller of the first belt pulley 48 in the first mounting groove 14, the first motor 47 drives the first belt 16 in the first mounting groove 14 to act and drives the second belt 17 to act through clamping, and meanwhile, the first belt 16 in the second mounting groove is driven to act through clamping of the first supporting rod 35 and the second supporting rod 36.

The second driving device comprises a micro motor 49, a casing of the micro motor is fixedly arranged on the third driving rod 18, two sides of the third belt 22 and the fourth belt 23 are respectively provided with a second belt pulley 50 for driving the third belt 22 and the fourth belt 23 to act, the second belt pulley 50 is respectively rotatably arranged in the third mounting groove 20 or the fourth mounting groove, a rotating shaft of the micro motor 49 is fixedly connected with a roller of the second belt pulley 50 in the third mounting groove 20, the micro motor 49 drives the third belt 22 in the third mounting groove 20 to act, and meanwhile, the PCB plate is clamped to drive the fourth belt 23 to act, and the PCB plate drives the third belt 22 and the fourth belt 23 in the fourth mounting groove to act.

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

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

The application method of the automatic feeding and discharging workbench for the stitch bent angle of the PCB board comprises the steps of installing a driving panel 10 in the scheme on an operation table of external equipment, controlling the driving panel 10 to move along the X-axis and Z-axis directions by the equipment, and when the driving panel 10 is located at the origin of machine tool coordinates, the driving panel 10 is located between a feeding device and a discharging device of processing equipment, so that the driving panel 10 can be conveniently 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 plate to be processed in the Y-axis direction, the third motor 51 drives the lead screw to rotate so as to drive the second driving rod 13 to slide, automatic adjustment is achieved, after the first driving rod 12 and the second driving rod 13 are adjusted, two ends of the PCB plate are clamped between the third belt 22 and the fourth belt 23, the upper cams 29 and the lower cams 31 in the third mounting groove 20 and the fourth mounting groove are respectively abutted against the lower layer of the third belt 22 and the upper layer of the fourth belt 23, and the PCB plate is horizontally clamped because the distances between the upper cams 29, the lower cams 31 and the upper wall and the lower wall of the third mounting groove 20 and the fourth mounting groove are fixed, the PCB plate cannot shake up and down under the abutment of the upper cams 29 and the lower cams 31, the position accuracy of the PCB plate is guaranteed, and the plugging accuracy of an electric element is improved.

The third support rod 38 does not rotate along with the sliding of the first support rod 35 and the second support rod 36 within a certain range of sliding adjustment of the first support rod 35 and the second support rod 36, so that the third support rod 38 is not driven to rotate when the third driving rod 18 and the fourth driving rod 19 are adjusted according to the PCB in a certain range, and the plugging of electric elements is avoided. When the PCB board that the centre gripping was carried is by two rows of Y axial direction for the PCB board of specific length value, first bracing piece 35 and second bracing piece 36 slide and expand to maximum length, and third bracing piece 38 also rotates along with it and supports the PCB board between two rows of PCB boards to the position support of perpendicular second bracing piece 36 this moment for the weak department that two rows of PCB boards connect at electric component grafting in-process PCB board can not follow electric component's grafting and reciprocate, avoids the schizolysis of PCB board, improves the grafting precision of PCB board material.

While the basic principles and main features of the present invention and advantages thereof have been shown and described, it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are described merely by way of illustration of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic unloading workstation that goes up for PCB board stitch bent angle, sets up the drive panel on outside board including the activity, the operation opening that is used for exposing the PCB board to carry out electric elements and inserts to establish is offered at the drive panel middle part, be provided with on the drive panel and be used for respectively centre gripping PCB version material both ends and follow X axle direction and carry first actuating lever, second actuating lever, first actuating lever is fixed to be set up in the drive panel up end, the second actuating lever can follow Y axle slide set up in drive 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, the first mounting groove and the second mounting groove are respectively provided with a first belt and a second belt which are mutually clamped up and down, a third driving rod and a fourth driving rod can be respectively separated from and clamped between the first belt and the second belt of the first driving rod and the second driving rod, 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 plate materials along the X-axis direction, the third mounting groove and the fourth mounting groove are respectively provided with a third belt and a fourth belt which are mutually and horizontally used for clamping the PCB plate 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 move and convey the third driving rod and the fourth driving rod, the third driving rod is provided with a second driving device for driving the third belt and the fourth belt in the third mounting groove and the fourth mounting groove to move and convey the PCB printing plate material, the first mounting groove and the second mounting groove are respectively provided with a plurality of limiting clamping devices which can horizontally support against the first belt or the second belt in a rotating manner along the first belt and the second belt clamping conveying process and limit the conveyed object to move along the Z axis direction, automatically reset when the conveying is not clamped and limit the first belt or the second belt to move along the Y axis direction, and the third mounting groove and the fourth mounting groove are respectively provided with a plurality of limiting clamping devices which can horizontally support against the first belt or the second belt in a rotating manner along the third belt and the fourth belt clamping conveying process and limit the conveyed object to move along the Z axis direction, the automatic reset and limiting device comprises a plurality of limiting clamping devices which are used for automatically resetting and limiting displacement of a third belt or a fourth belt along the Y-axis direction when the PCB is not clamped and conveyed, wherein corresponding adjustment lengths which can be adjusted along with the length adjustment positions of the second driving rod along the Y-axis direction of conveyed PCB materials are respectively arranged between the two ends of the third driving rod and the two ends of the fourth driving rod, an adjusting and supporting mechanism which is used for supporting one supporting rod to ninety degrees to the longest length on the lower surface of the connecting position of the two rows of PCB boards is arranged, a third driving device which is used for driving the second driving rod to slide is arranged on the driving panel, and a guiding device which is used for guiding the second driving rod to slide linearly along the Y-axis direction is arranged on the driving panel.

2. The automatic feeding and discharging workbench for pin bending of a PCB (printed Circuit Board) according to claim 1, wherein the automatic feeding and discharging workbench is characterized in that: the limiting clamping device comprises a first upper limiting piece, a second upper limiting piece, a first lower limiting piece and a second lower limiting piece, wherein the first upper limiting piece and the second upper limiting piece are symmetrically arranged on two sides of a first belt or a third belt, the upper ends of the first upper limiting piece and the second upper limiting piece 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 piece and the second lower limiting piece are symmetrically arranged on two sides of the second belt or the fourth belt, the lower ends of the first lower limiting piece and the second lower limiting piece 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 piece and the second upper limiting piece 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 limit plate and the second upper limit plate, an upper cam is fixedly sleeved on the first rotating shaft, the free ends of the first lower limit plate and the second lower limit plate are positioned in the second belt or the fourth belt and are horizontally provided with the 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 limit plate and the second upper limit plate, a lower cam is fixedly sleeved on the second rotating shaft, the symmetrical long sides of the upper cam and the lower cam are linear sides, the linear sides of the upper cam and the lower cam can respectively horizontally support the straight long sides against the first belt or the third belt, the second belt or the fourth belt along with the conveying of a conveyed object to clamp the conveyed object, the upper cam is provided with a first reset device which enables the protruding part of the upper cam to be located right above the rotation center, and the lower cam is provided with a second reset device which enables the protruding part of the lower cam to be located right below the rotation center.

3. The automatic feeding and discharging workbench for pin bending of a PCB (printed Circuit Board) according to claim 2, wherein the automatic feeding and discharging workbench is characterized in that: the first reset device comprises a first reset groove which is formed in the position, far away from the protruding part, of the upper cam, and a first gravity block which is used for driving the protruding part of the upper cam to reset upwards is arranged in the first reset groove.

4. An automatic loading and unloading workbench for pin bending of a PCB board according to claim 3, wherein: the second reset device comprises a second reset groove which is formed in the position, away from the protruding part, of the lower cam, and a second gravity block used for driving the protruding part of the upper cam to reset downwards is arranged in the second reset groove.

5. The automatic feeding and discharging workbench for pin bending of a PCB (printed Circuit Board) according to claim 1, wherein the automatic feeding and discharging workbench is characterized in that: the adjusting and supporting mechanism comprises a first supporting rod and a second supporting rod which are respectively arranged between two end parts 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 an adjusting groove for enabling the free end of the second supporting rod to slide and insert an adjusting 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 the connecting positions of two rows of PCB boards on a PCB board, a folding groove for folding the third supporting rod is formed in the second supporting rod, and a driving mechanism which is used for driving the third supporting rod to rotate to be perpendicular to the position of the second supporting rod when the first supporting rod and the second supporting rod slide relatively to the longest adjusting length is arranged between the first supporting rod and the second supporting rod.

6. The automatic feeding and discharging workbench for pin corners of a PCB according to claim 5, wherein: the driving mechanism comprises a rotating groove formed in the middle of the free end of the second supporting rod along the X-axis direction, 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 out of 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, a connecting hole for fixing and inserting the rotating shaft is formed in one end of the third supporting rod, a gear is fixedly sleeved on the rotating shaft in the position of the rotating groove, and a driving device used for driving the gear to rotate to be perpendicular to the position of the second supporting rod when the gear relatively slides to the longest adjusting length between the first supporting rod and the second supporting rod is arranged between the first supporting rod and the second supporting rod.

7. The automatic feeding and discharging workbench for pin corners of a PCB according to claim 6, wherein: the driving device comprises a sliding bar arranged on the side wall of the adjusting groove, a sliding groove for sliding the sliding bar is formed in the side wall of the second supporting rod, the upper surface and the lower surface of the sliding bar along the Z-axis direction are attached to the inner wall of the sliding groove, and a rack capable of being separated from the gear or meshed with the gear for transmission is arranged in the middle of the sliding bar.

8. The automatic feeding and discharging workbench for pin corners of a PCB according to claim 6, wherein: the upper surfaces of the first support rod, the second support rod and the third support rod are positioned on the same horizontal plane.

9. The automatic feeding and discharging workbench for pin bending of a PCB (printed Circuit Board) according to claim 1, wherein the automatic feeding and discharging workbench is characterized in that: the first driving device comprises a first motor, a shell of the first motor is fixedly arranged on the driving panel, first belt pulleys used for driving the first belt and the second belt to act are respectively arranged on two sides of the first belt and two sides of the second belt, the first belt pulleys are respectively 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 pulley in the first mounting groove.

10. The automatic feeding and discharging workbench for pin bending of a PCB (printed Circuit Board) according to claim 1, wherein the automatic feeding and discharging workbench is characterized in that: the second driving device comprises a micro motor, a shell of the micro motor is fixedly arranged on the third driving rod, two sides of the third belt and the fourth belt are respectively provided with a second belt pulley used for driving the third belt and the fourth belt to act, the second belt pulleys are respectively rotatably arranged in the third mounting groove or the fourth mounting groove, and a rotating shaft of the micro motor is fixedly connected with a rolling shaft of the second belt pulley in the third mounting groove.

11. The automatic feeding and discharging workbench for pin bending of a PCB (printed Circuit Board) according to claim 1, wherein the automatic feeding and discharging workbench is characterized in 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 screw rod is rotatably arranged in the threaded pipe in a penetrating mode, one end of the screw rod is fixedly connected to a rotating shaft of the third motor, and the other end of the screw rod is rotatably arranged on the driving panel.

12. The automatic feeding and discharging workbench for pin bending of a PCB (printed Circuit Board) according to claim 1, wherein the automatic feeding and discharging workbench is characterized in that: the guide device comprises guide sliding grooves which are linearly arranged at two ends of the second driving rod along the direction parallel to the Y axis, and a sliding block which slides with the guide sliding grooves is fixedly arranged on the lower end face of the second driving rod.