CN219335773U

CN219335773U - Automatic pin shearing machine

Info

Publication number: CN219335773U
Application number: CN202223254480.3U
Authority: CN
Inventors: 张森; 左宏
Original assignee: Jiangsu Shihang Iot Technology Co ltd
Current assignee: Jiangsu Shihang Iot Technology Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-07-14
Anticipated expiration: 2032-12-06

Abstract

The utility model relates to an automatic pin shearing machine relates to PCB board processing equipment technical field, for the big problem of manual shearing intensity of labour, it includes the frame, be provided with the workstation that is used for placing the PCB board on the frame, be provided with the fixture that is used for fixed PCB board on the workstation, be provided with the support on the frame, the support sets up in the workstation top, be provided with shearing mechanism on the support, shearing mechanism includes pneumatic shearing sword, hydraulic cylinder and support, the support sets up on the support, be provided with the drive arrangement who is used for driving the support and removes on the support, hydraulic cylinder connects one side that is close to the workstation at the support, hydraulic cylinder's output is connected on pneumatic shearing sword, pneumatic shearing sword's shearing end sets up towards the workstation direction, still be provided with the auxiliary device who is used for driving the workstation to remove on the frame. The automatic control device has the effects of reducing the labor intensity and improving the automation of equipment.

Description

Automatic pin shearing machine

Technical Field

The application relates to the technical field of PCB processing equipment, in particular to an automatic pin shearing machine.

Background

The printed circuit board, also called printed circuit board, printed circuit board for short, PCB for short, is cut into a certain size by using insulating board as base material, on which at least one conductive pattern is attached, and holes (such as element holes, fastening holes and metallized holes) are distributed, so as to replace the chassis of the electronic components of the previous device and implement interconnection between electronic components.

After the PCB is printed and manufactured, pins of all electronic components are required to be welded on the PCB through soldering tin, so that corresponding circuit functions are realized, and after a welding spot is cooled, the overlong pins on the welding spot are required to be cut off, so that error contact is avoided.

In the existing pin shearing operation, the overlong pins of the electronic components are sheared by manually utilizing tools such as bevel pliers, and the like, because the electronic components are small in size and large in number, the manual pin shearing labor intensity is high, the production efficiency is low, and the possibility of pin shearing errors exists after the manual pin shearing operation is performed for a long time, equipment can possibly be prevented from being used normally, and therefore the improvement is needed.

Disclosure of Invention

In order to solve the problem of high labor intensity of manual shearing, the application provides an automatic foot shearing machine.

The application provides an automatic pin shearing machine adopts following technical scheme:

the utility model provides an automatic foot machine cuts, includes the frame, be provided with the workstation that is used for placing the PCB board on the frame, be provided with the fixture that is used for fixed PCB board on the workstation, be provided with the support on the frame, the support sets up in the workstation top, be provided with shearing mechanism on the support, shearing mechanism includes pneumatic shearing sword, hydraulic cylinder and support, the support sets up on the support, be provided with the drive arrangement who is used for driving the support and remove on the support, hydraulic cylinder connects one side that is close to the workstation at the support, hydraulic cylinder's output is connected on pneumatic shearing sword, pneumatic shearing sword's shearing end sets up towards the workstation direction, still be provided with the auxiliary device who is used for driving the workstation to remove on the frame.

In the existing pin shearing operation, the overlong pins of the electronic components are sheared by manually utilizing tools such as bevel pliers, the volume of the electronic components is small, the number of the electronic components is large, the labor intensity of manual pin shearing is high, the production efficiency is low, and the possibility of pin shearing errors exists after the manual pin shearing operation for a long time, so that the equipment can not be normally used; through adopting the technical scheme, after the pins of all electronic components are welded on the PCB through soldering tin, the PCB is placed on the workbench, the clamping mechanism fixes the PCB, at the moment, the hydraulic cylinder works and drives the pneumatic shearing knife to move downwards, the pneumatic shearing knife shears overlong pins on the PCB, meanwhile, the driving device drives the support to move, so that pins in the same row on the PCB are sheared, the auxiliary device drives the workbench to move after shearing, and the hydraulic cylinder drives the pneumatic shearing knife to shear pins at other positions until all overlong pins on the PCB are sheared; through fixture, pneumatic shearing sword, hydraulic cylinder, drive arrangement and auxiliary device's setting, help realizing shearing's automated handling, need not the manual work and carry out shearing operation, reduced workman's intensity of labour, greatly improved production efficiency, reduced the manual work simultaneously and sheared the possibility that appears the error, guaranteed the qualification rate of PCB board.

Optionally, drive arrangement includes linkage lead screw, linkage slider and driving motor, the linkage lead screw sets up along the length direction of frame, the both ends of linkage lead screw rotate and connect on the support, driving motor's output is connected at the tip of linkage lead screw, linkage slider and linkage lead screw threaded connection, linkage slider connects on the lateral wall of support.

By adopting the technical scheme, the driving device consists of a linkage screw rod, a linkage sliding block and a driving motor; when the pneumatic shearing knife is required to be driven to shear pins in the same row on the PCB, the driving motor is started to rotate, the linkage screw rod and the driving motor rotate simultaneously, at the moment, the linkage sliding block slides on the linkage screw rod, and the linkage sliding block drives the support to move, so that the position change of the pneumatic shearing knife is realized; through the arrangement of the linkage screw rod, the linkage sliding block and the driving motor, the automation capacity of the equipment is improved, and the stability of the pneumatic shearing knife during movement is ensured.

Optionally, the support is close to one side of linkage slider and has seted up the recess, the inner wall looks adaptation of support and recess, support sliding connection is on the support.

By adopting the technical scheme, a groove is formed in one side, close to the linkage slide block, of the support; through the setting of recess, help realizing sliding connection between support and the support, further improved the stationarity when the support removes, reduced the possibility that the shake appears when the linkage slider drives the support and remove, guaranteed the shearing effect of pneumatic shearing sword.

Optionally, the support all is provided with the limit baffle that is used for restricting the support and deviate from along self length direction's both ends, two set up relatively between the limit baffle, and two limit baffle all connects on the support.

By adopting the technical scheme, the two ends of the bracket in the length direction are welded and fixed with the limit baffle; through limit baffle's setting, help realizing the restriction to the support position, reduce the linkage slider and drive the support and deviate from thereby lead to the unable normal operating possibility of pneumatic shearing sword from the support, guaranteed the normal operating of pneumatic shearing sword.

Optionally, the fixture includes two grip blocks and two centre gripping cylinders, two the grip block is corresponding with two centre gripping cylinders, two the centre gripping cylinder sets up respectively in the both ends of workstation, the output of centre gripping cylinder is connected on the grip block, the cross-section of grip block is "L" form, the end butt of buckling of grip block is on the PCB board.

By adopting the technical scheme, the clamping mechanism consists of two clamping plates and two clamping cylinders; when the PCB is placed on the workbench, the clamping cylinders on two sides drive the two clamping plates to move, and the two clamping plates are abutted on the PCB, so that the PCB is fixed; through the setting of grip block and centre gripping cylinder, improved the stability to the PCB board installation, thereby reduce the pneumatic shearing sword and take place the skew at the in-process PCB board of shearing and influence shearing work's possibility, fixed reliable.

Optionally, the bending end of grip block runs through and has offered a plurality of breach grooves, and a plurality of breach grooves are offered in proper order along the length direction of grip block.

By adopting the technical scheme, the bending end of the clamping plate is provided with a plurality of notch grooves; through the setting in a plurality of breach grooves, help reducing the area of contact of grip block and PCB board, reduce the possibility that electrical components and parts take place to touch on grip block and the PCB board.

Optionally, auxiliary device includes drive belt, auxiliary motor, auxiliary splint and two auxiliary pulleys, two auxiliary pulleys all rotate and connect on the frame, and two auxiliary pulleys are located frame length direction's both sides respectively, the both ends of drive belt are tensioning respectively on two auxiliary pulleys, auxiliary splint fixed connection is on the drive belt, auxiliary splint links to each other with the workstation, auxiliary motor's output is connected one it on the auxiliary pulleys.

By adopting the technical scheme, the auxiliary device consists of a transmission belt, an auxiliary motor, an auxiliary clamping plate and two auxiliary belt wheels; when the pneumatic shearing knife shears pins of the same row on the PCB, the auxiliary motor drives the auxiliary belt pulley on the same side to rotate, and the driving belt moves, so that the driving belt is driven to move, and after the driving belt moves to a designated position, the auxiliary motor stops rotating, and the pneumatic shearing knife shears; through the setting of moving area, auxiliary motor, auxiliary splint and two auxiliary pulleys, improved the automation level of equipment, need not the manual work and remove PCB board position, improved work efficiency.

Optionally, the outer walls of the two auxiliary pulleys are provided with auxiliary ring grooves for sliding of the transmission belt, and the auxiliary ring grooves are arranged along the circumferential direction of the auxiliary pulleys.

By adopting the technical scheme, an auxiliary ring groove is formed in the auxiliary belt wheel; through the arrangement of the auxiliary ring grooves, the stability of the transmission belt during transmission is improved, and the possibility that the transmission belt falls off from the auxiliary belt wheel in the rotation process of the auxiliary belt wheel is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the automatic shearing treatment is facilitated by the arrangement of the clamping mechanism, the pneumatic shearing knife, the hydraulic cylinder, the driving device and the auxiliary device, the shearing operation is not needed to be performed manually, the labor intensity of workers is reduced, the production efficiency is greatly improved, meanwhile, the possibility of errors caused by manual shearing is reduced, and the qualification rate of the PCB is ensured;

2. through the arrangement of the linkage screw rod, the linkage sliding block and the driving motor, the automation capacity of the equipment is improved, and the stability of the pneumatic shearing knife during movement is ensured;

3. through the setting of grip block and centre gripping cylinder, improved the stability to the PCB board installation, thereby reduce the pneumatic shearing sword and take place the skew at the in-process PCB board of shearing and influence shearing work's possibility, fixed reliable.

Drawings

Fig. 1 is a front view of an automatic pin shearing machine according to an embodiment of the present application.

Fig. 2 is a schematic structural view of a clamping plate according to an embodiment of the present application.

Fig. 3 is an enlarged view of a portion a of fig. 1.

Fig. 4 is a left side view of an automatic pin shearing machine in an embodiment of the present application.

Reference numerals illustrate: 1. a base; 2. a work table; 3. a clamping mechanism; 31. a clamping plate; 311. a notch groove; 32. a clamping cylinder; 4. a bracket; 41. a limit baffle; 5. a shearing mechanism; 51. a pneumatic shearing knife; 52. a hydraulic cylinder; 53. a support; 531. a groove; 6. a driving device; 61. a linkage screw rod; 62. a linkage slide block; 63. a driving motor; 7. an auxiliary device; 71. a transmission belt; 72. an auxiliary motor; 73. an auxiliary clamping plate; 74. an auxiliary belt wheel; 741. and an auxiliary ring groove.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses an automatic foot shearing machine. Referring to fig. 1, the automatic pin shearing machine comprises a machine base 1, a workbench 2 for placing a PCB board is mounted on the machine base 1, a clamping mechanism 3 for fixing the PCB board is mounted on the workbench 2, a support 4 is welded and fixed on the machine base 1, the support 4 is located above the workbench 2, in this embodiment, the support 4 is of a portal frame structure, and a shearing mechanism 5 is mounted on the support 4.

Referring to fig. 1 and 4, the clamping mechanism 3 includes two clamping plates 31 and two clamping cylinders 32, the two clamping cylinders 32 are welded and fixed at two ends of the workbench 2 respectively, the two clamping cylinders 32 correspond to the two clamping plates 31, one end of the clamping plate 31 is welded and fixed at the output end of the clamping cylinder 32, in this embodiment, the section of the clamping plate 31 is in an L shape, and the bending end of the clamping plate 31 is abutted to the PCB board, so as to improve the stability of PCB board installation, and reduce the possibility of the offset of the PCB board caused by the pneumatic shearing knife 51 in the shearing process, thereby affecting the shearing work.

Referring to fig. 1 and 2, the bending end of each clamping plate 31 is provided with a plurality of notch grooves 311 in a penetrating manner, and the notch grooves 311 are provided along the length direction of the clamping plate 31, so as to reduce the contact area between the clamping plate 31 and the PCB, and reduce the possibility of touching between the clamping plate 31 and the electrical components on the PCB.

Referring to fig. 1 and 3, an auxiliary device 7 for driving the workbench 2 to move is installed on the machine base 1, in this embodiment, the two groups of auxiliary devices 7 are respectively located at two sides of the workbench 2, the auxiliary device 7 includes a driving belt 71, an auxiliary motor 72, an auxiliary clamping plate 73 and two auxiliary pulleys 74, the two auxiliary pulleys 74 are respectively rotatably connected to the machine base 1, the two auxiliary pulleys 74 are respectively located at two sides of the machine base 1 in the length direction, the auxiliary motor 72 is installed on the machine base 1, the output end of the auxiliary motor 72 is welded and fixed on one of the auxiliary pulleys 74, and in this embodiment, the auxiliary pulleys 74 can realize forward and reverse rotation.

Referring to fig. 1 and 3, auxiliary ring grooves 741 are formed on the outer walls of the two auxiliary pulleys 74, the auxiliary ring grooves 741 are formed along the circumferential direction of the auxiliary pulleys 74, two ends of the driving belt 71 are respectively tensioned on the two auxiliary pulleys 74, and the driving belt 71 is slidably connected on the inner wall of the auxiliary ring grooves 741, so as to improve the stability of the driving belt 71 during driving and reduce the possibility that the driving belt 71 falls off from the auxiliary pulleys 74 during the rotation of the auxiliary pulleys 74; the auxiliary clamping plate 73 is clamped and fixed on the driving belt 71, and the auxiliary clamping plate 73 is welded and fixed on the workbench 2.

Referring to fig. 1 and 4, two ends of the support 4 along the length direction are respectively welded and fixed with a limit baffle 41, the two limit baffles 41 are oppositely arranged, the limit of the position of the support 53 is reduced, the possibility that the linkage slider 62 drives the support 53 to deviate from the support 4, and the pneumatic shearing knife 51 cannot work normally is reduced, and the normal operation of the pneumatic shearing knife 51 is ensured.

Referring to fig. 1, the shearing mechanism 5 includes a pneumatic shearing blade 51, a hydraulic cylinder 52 and a support 53, the support 53 is disposed on the support 4, a groove 531 is formed on a side wall of the support 53, the support 4 is adapted to an inner wall of the groove 531, the support 53 is slidably connected to the support 4, the hydraulic cylinder 52 is welded and fixed at one end of the support 53 near the workbench 2, the pneumatic shearing blade 51 is welded and fixed at an output end of the hydraulic cylinder 52, and a shearing end of the pneumatic shearing blade 51 is disposed towards the workbench 2.

Referring to fig. 1, a driving device 6 for driving the support 53 to move is installed on the support 4, the driving device 6 includes a linkage screw 61, a linkage sliding block 62 and a driving motor 63, the linkage screw 61 is arranged along the length direction of the machine base 1, two ends of the linkage screw 61 are respectively connected to the support 4, the driving motor 63 is installed on the support 4, an output end of the driving motor 63 is welded and fixed with an end wall of the linkage screw 61, in this embodiment, the driving motor 63 can realize forward and reverse rotation, the linkage sliding block 62 is in threaded connection with the linkage screw 61, and the linkage sliding block 62 is welded and fixed on the support 53.

The implementation principle of the automatic pin shearing machine in the embodiment of the application is as follows: when pins of each electronic component are welded on a PCB through soldering tin, the PCB is placed on the workbench 2, the clamping cylinder 32 works, the clamping cylinder 32 drives the clamping plate 31 to move downwards, the clamping plate 31 is abutted on the PCB, the hydraulic cylinder 52 works at the moment, the hydraulic cylinder 52 drives the pneumatic shearing knife 51 to move downwards, the pneumatic shearing knife 51 shears overlength pins on the PCB, meanwhile, the driving motor 63 is started, the linkage screw rod 61 rotates, the linkage sliding block 62 drives the support 53 to move along the length direction of the support 4, the pneumatic shearing knife 51 shears pins on the same row of the PCB, after shearing, the auxiliary motor 72 rotates, the auxiliary belt pulley 74 drives the driving belt 71 to move, the auxiliary clamping plate 73 drives the workbench 2 to move to a specified position, the auxiliary motor 72 stops rotating, the driving motor 63 is reversely started, the support 53 drives the pneumatic shearing knife 51 to reversely move, and the pneumatic shearing knife 51 shears pins on other positions until all overlength pins on the PCB are sheared; through fixture 3, pneumatic shearing sword 51, hydraulic cylinder 52, drive arrangement 6 and auxiliary device 7's setting, help realizing shearing's automated handling, need not the manual work and carry out shearing operation, reduced workman's intensity of labour, greatly improved production efficiency, reduced the possibility that the manual work sheared the mistake and appears simultaneously, guaranteed the qualification rate of PCB board.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. An automatic pin shearing machine which is characterized in that: including frame (1), be provided with workstation (2) that are used for placing the PCB board on frame (1), be provided with fixture (3) that are used for fixed PCB board on workstation (2), be provided with support (4) on frame (1), support (4) set up in workstation (2) top, be provided with shearing mechanism (5) on support (4), shearing mechanism (5) include pneumatic shearing sword (51), hydraulic cylinder (52) and support (53), support (53) set up on support (4), be provided with on support (4) and be used for driving drive arrangement (6) that support (53) removed, hydraulic cylinder (52) are connected in one side that support (53) are close to workstation (2), the output of hydraulic cylinder (52) is connected on pneumatic shearing sword (51), the shearing end of pneumatic shearing sword (51) sets up towards workstation (2) direction, still be provided with auxiliary device (7) that are used for driving workstation (2) to remove on frame (1).

2. An automatic pin shearing machine as set forth in claim 1 wherein: the driving device (6) comprises a linkage screw rod (61), a linkage sliding block (62) and a driving motor (63), wherein the linkage screw rod (61) is arranged along the length direction of the machine base (1), two ends of the linkage screw rod (61) are rotationally connected to the support (4), the output end of the driving motor (63) is connected to the end part of the linkage screw rod (61), the linkage sliding block (62) is in threaded connection with the linkage screw rod (61), and the linkage sliding block (62) is connected to the side wall of the support (53).

3. An automatic pin shearing machine as set forth in claim 2 wherein: the support (53) is close to one side of the linkage slider (62) and is provided with a groove (531), the support (4) is matched with the inner wall of the groove (531), and the support (53) is connected to the support (4) in a sliding mode.

4. An automatic pin shearing machine as set forth in claim 3 wherein: limiting baffles (41) used for limiting the support (53) to deviate from are arranged at two ends of the support (4) along the length direction of the support, the limiting baffles (41) are oppositely arranged, and the limiting baffles (41) are connected to the support (4).

5. An automatic pin shearing machine as set forth in claim 1 wherein: the clamping mechanism (3) comprises two clamping plates (31) and two clamping cylinders (32), the two clamping plates (31) and the two clamping cylinders (32) are corresponding, the two clamping cylinders (32) are respectively arranged at two ends of the workbench (2), the output ends of the clamping cylinders (32) are connected to the clamping plates (31), the cross section of the clamping plates (31) is L-shaped, and the bent ends of the clamping plates (31) are abutted to the PCB.

6. An automatic pin shearing machine as defined in claim 5 wherein: the bending end of the clamping plate (31) is provided with a plurality of notch grooves (311) in a penetrating mode, and the notch grooves (311) are sequentially formed in the length direction of the clamping plate (31).

7. An automatic pin shearing machine as set forth in claim 1 wherein: auxiliary device (7) are including drive belt (71), auxiliary motor (72), auxiliary splint (73) and two auxiliary pulleys (74), two auxiliary pulleys (74) all rotate and connect on frame (1), and two auxiliary pulleys (74) are located the both sides of frame (1) length direction respectively, the both ends of drive belt (71) are tensioning respectively on two auxiliary pulleys (74), auxiliary splint (73) fixed connection is on drive belt (71), auxiliary splint (73) link to each other with workstation (2), the output of auxiliary motor (72) is connected in one of them auxiliary pulleys (74).

8. An automatic pin shearing machine as defined in claim 7 wherein: an auxiliary ring groove (741) for the sliding of the transmission belt (71) is formed in the outer wall of each auxiliary belt wheel (74), and the auxiliary ring grooves (741) are formed in the circumferential direction of the auxiliary belt wheels (74).