CN220230468U - PCB V cuts incomplete thick measuring device - Google Patents

Abstract

The utility model relates to a measuring device for a V-cut residual thickness of a PCB (printed circuit board), which comprises a base, wherein the base is provided with a measuring table, a supporting frame is connected to the measuring table, a digital display meter is arranged at the top of the supporting frame, an upper blade is arranged below the digital display meter, the upper blade and the supporting frame can be movably connected up and down, a through groove for placing a lower blade is arranged on the measuring table, the through groove is positioned right below the upper blade, a rubber gasket is arranged between the upper blade and the lower blade, a cavity for placing the rubber gasket is arranged in the measuring table, the rubber gasket is connected with a push rod, the push rod penetrates through the measuring table and is connected with a rod handle, the upper blade and the lower blade are isolated through the rubber gasket, the upper blade and the lower blade are prevented from being mutually collided and rubbed to generate abrasion, and the performance of the measuring device for the V-cut residual thickness of the PCB is improved.

Description

PCB V cuts incomplete thick measuring device

Technical Field

The utility model relates to the technical field of circuit board production, in particular to a PCB V-cut residual thickness measuring device.

Background

In the production process of a PCB (printed circuit board), a V-shaped cutting is often required to be made on the PCB, wherein the V-shaped cutting is to cut a V-shaped notch on the front side and the back side of the PCB, but the PCB is not cut completely, a certain amount of residual thickness is left to enable the middle to be connected, the V-shaped cutting is generally used for splicing or processing, and the PCB is broken off when leaving a factory after the chip is attached on the PCB; in order to facilitate breaking off the PCB from the V-shaped cutting position, the residual thickness of the V-shaped cutting needs to be strictly controlled, and if the residual thickness is too thin, the PCB is easy to break in advance; the residual thickness is too thick, and the V-shaped cutting is not easy to break off, so that the V-shaped cutting residual thickness needs to be detected by a PCB V-shaped cutting residual thickness measuring device, and when the V-shaped cutting residual thickness is measured, a circuit board V-shaped groove is placed on a lower cutter reference, and an upper cutter is pressed on the V-shaped groove of the circuit board, so that a digital display meter displays the measured residual value; however, in general, the upper knife moves up and down, for example, in the existing V-groove residual thickness testing device, the upper knife moves through the eccentric wheel, and after the measurement is completed and the PCB board is taken out, the upper knife automatically moves down and contacts with the lower knife, so that the upper knife and the lower knife collide with each other and rub to generate abrasion, thereby affecting the performance of the device for measuring the residual thickness of V-cut of the PCB board.

Disclosure of Invention

The utility model aims to design a device for measuring the thickness of a V-cut residual of a PCB (printed circuit board) so as to solve the technical problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a incomplete thick measuring device of PCB board V cutting, includes the base, the base is equipped with the measurement table, be connected with the support frame on the measurement table, the top of support frame is equipped with the digital display table, the below of digital display table is equipped with the blade, go up the blade with but the support frame swing joint from top to bottom, be equipped with the logical groove that is used for placing down the blade on the measurement table, it is located to lead to the groove under the blade, go up the blade with be equipped with rubber gasket between the blade down, be equipped with in the measurement table and be used for placing rubber gasket's cavity, rubber gasket is connected with the push rod, the push rod runs through measurement table is connected with the pole handle.

Further, the lateral wall of support frame is equipped with adjust knob, adjust knob is connected with the axis of rotation, the axis of rotation is connected with the turbine, the bottom of digital display meter is connected with the worm, the worm is equipped with screw thread portion and cam, the cam is located the top of screw thread portion, the worm with the screw thread portion meshing of turbine, the outer wall of cam is equipped with spiral spout, be equipped with the mounting on the support frame, be equipped with the lug on the mounting, the lug with spiral spout sliding connection, the bottom of worm is connected with the knife rest.

Further, the upper blade is detachably connected with the upper tool rest.

Further, an air cylinder is mounted on the base, an output shaft of the air cylinder is connected with a mounting block, the mounting block is connected with a lower cutter frame, and the lower cutter frame is detachably connected with the lower cutter blade.

Further, the side wall of the measuring table is connected with a limiting block for limiting the horizontal movement of the lower blade.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the rubber gasket is arranged between the upper blade and the lower blade, the measuring table is internally provided with the cavity for placing the rubber gasket, the rubber gasket is connected with the push rod, the push rod penetrates through the measuring table and is connected with the rod handle, after the measurement of the PCB is completed, the rubber gasket in the cavity is pushed between the upper blade and the lower blade through the push rod, the upper blade and the lower blade are isolated through the rubber gasket, the upper blade and the lower blade are prevented from being mutually collided and rubbed to generate abrasion, and the performance of the PCB V cutting residual thickness measuring device is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

the names of the components marked in the figures are as follows: 1. a base; 2. a measuring station; 3. a support frame; 4. a digital display table; 5. an upper blade; 6. a lower blade; 7. a rubber gasket; 8. a push rod; 9. an adjustment knob; 10. a turbine; 11. a worm; 12. a threaded portion; 13. a cam; 14. a spiral chute; 15. a fixing member; 16. a bump; 17. an upper tool rest; 18. a cylinder; 19. a mounting block; 20. a lower tool rest; 21. and a limiting block.

Detailed Description

The following description of the present utility model will be made more fully hereinafter with reference to the accompanying drawings, in which it is shown, however, some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1-3, a device for measuring the thickness of a V-cut residual of a PCB board comprises a base 1, wherein the base 1 is provided with a measuring table 2, a supporting frame 3 is connected to the measuring table 2, the supporting frame 3 is fixed on the measuring table 2 through bolts, a digital display table 4 is arranged at the top of the supporting frame 3, an upper blade 5 is arranged below the digital display table 4, the upper blade 5 is movably connected with the supporting frame 3 up and down, the digital display table 4 comprises a gauge head and a display screen, the gauge head is arranged below the display screen and fixedly connected with the upper blade, the V-groove of the PCB board is accurately measured through the gauge head, and the measured value is displayed on the display screen; specifically, an adjusting knob 9 is arranged on the side wall of the support frame 3, a rotating shaft is fixedly connected with the adjusting knob 9, a turbine 10 is fixedly connected with the rotating shaft, a worm 11 is connected to the bottom of the digital display meter 4, a threaded part 12 and a cam 13 are arranged on the worm 11, the cam 13 is positioned above the threaded part 12 and is fixedly connected with the worm 11, the worm 11 is meshed with the threaded part 12 of the turbine 10, a spiral chute 14 is arranged on the outer wall of the cam 13, a fixing piece 15 is fixedly connected to the support frame 3, a lug 16 is fixedly connected to the fixing piece 15, the lug 16 is in sliding connection with the spiral chute 14, namely the position of the fixing piece is fixed, the rotating force of the cam 13 is converted into an pushing force, and the cam 13 moves up and down, so that the worm 11 is driven to move up and down; the bottom of the worm 11 is connected with an upper tool rest 17, and the upper tool rest 17 is used for installing an upper blade 5; the base 1 is provided with an air cylinder 18, an output shaft of the air cylinder 18 is fixedly connected with a mounting block 19, the mounting block 19 is connected with a lower cutter frame 20, the measuring table 2 is provided with a through groove for placing the lower cutter blade 6, the through groove is positioned right below the upper cutter blade 5, the lower cutter frame 20 is used for mounting the lower cutter blade 6, and the height of the lower cutter frame 20 is adjusted through the air cylinder 18, so that the height of the lower cutter blade 6 is adjusted; the side wall of the measuring table 2 is connected with a limiting block 21 for limiting the horizontal movement of the lower blade 6, the limiting block 21 is fixed on the measuring table 2 through a bolt, and the limiting block 21 limits the horizontal position of the lower tool rest 20, so that the horizontal movement of the lower blade 6 is limited; the PCB is horizontally placed on the measuring table 2, the PCB is positioned between the upper blade 5 and the lower blade 6, the cam 13 is enabled to move up and down by rotating the adjusting knob 9, so that the worm 11 is driven to move up and down, the upper blade 5 and the lower blade 6 are respectively abutted against two sides of a V groove of the PCB, the worm 11 acts on the gauge head of the digital display table 4, the gauge head of the digital display table 4 is used for accurately measuring the V groove of the PCB, measured values are displayed on a display screen of the digital display table 4, and then the measured values on the display screen of the digital display table 4 are directly read to obtain residual thickness values to be measured; in order to conveniently replace the upper blade 5 and the lower blade 6, the upper blade 5 can be detachably connected with the upper blade holder 17 through a bolt, the lower blade holder 20 can be detachably connected with the lower blade 6 through a bolt, a rubber gasket 7 is arranged between the upper blade 5 and the lower blade 6, a cavity for placing the rubber gasket 7 is arranged in the measuring table 2, the rubber gasket 7 is connected with a push rod 8, the push rod 8 penetrates through the measuring table 2 and is connected with a rod handle, the rod handle is used for conveniently pushing the push rod 8, the rubber gasket 7 in the cavity is pushed between the upper blade 5 and the lower blade 6 through the push rod 8, the upper blade 5 is isolated from the lower blade 6 through the rubber gasket 7, abrasion caused by mutual collision friction between the upper blade 5 and the lower blade 6 is prevented, and the performance of the PCB V cutting residual thickness measuring device is improved.

The working principle of the embodiment is as follows: when the device is used, a PCB is horizontally placed on the measuring table 2, the PCB is positioned between the upper blade 5 and the lower blade 6, the cam 13 is enabled to move up and down by rotating the adjusting knob 9, the worm 11 is driven to move up and down, the upper blade 5 and the lower blade are respectively abutted against V grooves on two opposite sides of the PCB, the worm 11 acts on the gauge head of the digital display table 4, the V grooves of the PCB are accurately measured through the gauge head of the digital display table 4, measured values are displayed on the display screen of the digital display table 4, then the measured values on the display screen of the digital display table 4 are directly read to be residual thickness values to be measured, after the measurement is completed, the air cylinder 18 is started to enable the lower tool rest 20 to move down, the adjusting knob 9 is rotated, so that the upper blade 5 moves up and is separated from the PCB, after the PCB is taken out, the push rod 8 is pushed into the position between the upper blade 5 and the lower blade 6, the adjusting knob 9 is released, the upper blade 5 and the lower blade 6 are isolated by the rubber gasket 7, and the residual thickness measuring device is prevented from being collided with the upper blade 5 and the lower blade 6, and the residual thickness measuring device is prevented from generating the residual thickness.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "upper," "lower," "left," "right," "front," "back," and the like are used herein for illustrative purposes only.

Claims (5)

1. The utility model provides a incomplete thick measuring device of PCB board V cutting which characterized in that: including base (1), base (1) is equipped with measurement table (2), be connected with support frame (3) on measurement table (2), the top of support frame (3) is equipped with digital display table (4), the below of digital display table (4) is equipped with blade (5), go up blade (5) with but upper and lower swing joint of support frame (3), be equipped with the logical groove that is used for placing down blade (6) on measurement table (2), it is located to lead to the groove under last blade (5), go up blade (5) with be equipped with rubber gasket (7) between blade (6) down, be equipped with in measurement table (2) and be used for placing the cavity of rubber gasket (7), rubber gasket (7) are connected with push rod (8), push rod (8) run through measurement table (2) are connected with the pole handle.

2. The device for measuring the thickness of a V-cut residual on a PCB according to claim 1, wherein: the utility model discloses a digital display table, including support frame (3), support frame, screw thread portion (12), cam (13), screw thread portion (12), screw thread portion (14) and cam (13), the lateral wall of support frame (3) is equipped with adjust knob (9), adjust knob (9) are connected with the axis of rotation, axis of rotation is connected with turbine (10), the bottom of digital display table (4) is connected with worm (11), worm (11) are equipped with screw thread portion (12) and cam (13), worm (11) with the screw thread portion (12) meshing of turbine (10), the outer wall of cam (13) is equipped with spiral spout (14), be equipped with mounting (15) on support frame (3), be equipped with lug (16) on mounting (15), lug (16) with spiral spout (14) sliding connection, the bottom of worm (11) is connected with upper knife rest (17).

3. The device for measuring the thickness of the V-cut residual of the PCB according to claim 2, wherein: the upper blade (5) is detachably connected with the upper tool rest (17).

4. The device for measuring the thickness of a V-cut residual on a PCB according to claim 1, wherein: the base (1) is provided with an air cylinder (18), an output shaft of the air cylinder (18) is connected with a mounting block (19), the mounting block (19) is connected with a lower cutter rest (20), and the lower cutter rest (20) is detachably connected with the lower cutter blade (6).

5. The device for measuring the thickness of a V-cut residual on a PCB of claim 4, wherein: the side wall of the measuring table (2) is connected with a limiting block (21) for limiting the horizontal movement of the lower blade (6).