CN205520106U - A clamping mechanism for laser cutting circuit boards - Google Patents

Abstract

The utility model discloses a fixture of laser cutting circuit board, which comprises a frame, be equipped with the base plate in the frame, be equipped with mutually perpendicular's first linear slide rail group and second linear slide rail group on the base plate, all be equipped with the centre gripping unit on first linear slide rail group and the second linear slide rail group, the centre gripping unit is in including fly leaf, the fixed setting that slides and set up on first linear slide rail group or second linear slide rail group connecting plate and activity on the fly leaf set up clamp plate on the connecting plate, the longitudinal section of connecting plate is down "L" type, and the connecting plate includes first vertical board and first horizontal plate, the longitudinal section of clamp plate is "L" type, and the clamp plate includes vertical board of second and second horizontal plate. The utility model discloses can be applicable to different grade type, not unidimensional circuit board, the commonality is good, reduction in production cost effectively.

Description

A clamping mechanism for laser cutting circuit boards

Technical field:

The utility model relates to the technical field of laser cutting equipment, in particular to a clamping mechanism for laser cutting circuit boards.

Background technique:

When the circuit board is being cut by laser, it needs to use the fixture for positioning. Effective positioning is the premise of realizing the precise cutting of the circuit board. The positioning fixtures for circuit boards in the prior art are usually only suitable for the same type of circuit boards, that is, circuit boards with the same size and thickness, but cannot be used universally between different types of circuit boards, and the versatility is poor. Different types of circuit boards need to develop different positioning fixtures, which greatly increases the production cost, so it is necessary to improve.

Utility model content:

The purpose of the utility model is to solve the problems existing in the prior art, and to provide a clamping mechanism for laser cutting circuit boards that can be applied to circuit boards of different types and sizes, has good versatility, and can effectively reduce production costs.

The utility model relates to a clamping mechanism for laser cutting circuit boards, which comprises a frame, on which a substrate is arranged, and on the substrate is a first linear slide rail group and a second linear slide rail which are perpendicular to each other group, the first linear slide rail group and the second linear slide rail group are provided with a clamping unit, the clamping unit includes a slide set on the first linear slide rail group or the second linear slide rail group The movable plate, the connecting plate fixedly arranged on the movable plate and the pressing plate movably arranged on the connecting plate, the longitudinal section of the connecting plate is inverted “L” shape, the connecting plate includes the first vertical plate and The first horizontal plate, the lower end of the first vertical plate is fixed on the movable plate, the upper end is fixed with the first horizontal plate, and there is an escape groove extending along the longitudinal direction of the first horizontal plate on the first horizontal plate, so The longitudinal section of the pressure plate is "L", the pressure plate includes a second vertical plate and a second horizontal plate, the second vertical plate is vertically inserted into the avoidance groove, and the second vertical plate is opposite to the first A vertical rack portion is formed on the side wall of the vertical plate, and a placement hole is formed on the first vertical plate, and a gear cooperating with the rack portion is hinged in the placement hole, and the gear and the rack The first vertical plate on one side of the gear is fixedly provided with a locking cylinder on the side wall opposite to the second vertical plate, and the piston rod of the locking cylinder is fixedly connected with a locking rod. The locking lever corresponds to the upper and lower meshing points of the gear and the rack.

By means of the above technical solution, when the clamping mechanism of the present invention is in use, according to the size of the circuit board to be processed, the movable plate of the clamping unit on the first linear slide rail group and the second linear slide rail group is moved , so that the clamping units slowly approach each other, and then place the edge of the circuit board to be processed on the movable plate, according to the thickness of the circuit board, the distance between the second horizontal plate of the pressing plate and the movable plate can be adjusted, so that the first The two horizontal plates are pressed on the circuit board. Specifically, the gear rotates in the placement hole of the first vertical plate to drive the rack portion of the second vertical plate to move up and down, thereby moving the second horizontal plate up and down. When the bottom surface of the two-horizontal plate is tightly pressed against the circuit board, the gear stops rotating. At this time, the locking cylinder starts, and the piston rod of the locking cylinder stretches to drive the locking rod to move toward the meshing part of the gear and the rack until the locking rod The meshing point protruding into the gear and the rack is stuck on the meshing point, so that the gear and the rack are locked, so that the second horizontal plate is locked on the circuit board, so that the second horizontal plate presses the circuit board tightly , to complete the clamping of the circuit board.

Through the above solution, the utility model can be applied to circuit boards of different types and sizes, has good versatility, and effectively reduces production costs.

As a preference of the above scheme, the frame includes a bottom plate and four columns fixed at the four corners of the top surface of the bottom plate, the four corners of the bottom surface of the base plate are fixed on the four columns, and a central part of the base plate is provided with a hole, the square hole is provided with a support plate of the same height as the movable plate, the size of the support plate is smaller than the size of the circuit board, the bottom surface of the support plate is fixedly connected with the piston rod of the lifting cylinder, and the lifting cylinder is fixedly arranged on the bottom plate. According to the above scheme, when in use, the circuit board to be processed is placed on the support plate, the piston rod of the lifting cylinder moves up to drive the support plate to rise to the same height as the movable plate, and then the movable plate of the clamping unit is moved to make the clamping unit slowly Close to the circuit board on the support plate, since the support plate is of the same height as the movable plate, the edge of the circuit board can automatically fall on the movable plate.

As a preference of the above solution, two rack parts are formed on both ends of one side wall of the second vertical plate, two installation holes are formed on the first vertical plate, and Two gears are hinged in the two placement holes, and the locking cylinder is fixedly arranged on the side wall of the first vertical plate between the two gears. A pair of twin shafts respectively facing the two gears are respectively formed, and the number of the locking rods is two pairs, and the two pairs of locking rods are fixed on the two pairs of twin shafts at the two ends of the bidirectional biaxial cylinder. According to the above scheme, the cooperation of the two rack parts and the two gears can make the pressure plate rise or fall stably, and the arrangement of the bidirectional double-axis cylinder can effectively lock the two gears and the two rack parts.

As a preference of the above solution, one of the gears is fixedly sleeved on the rotating shaft, one end of the rotating shaft passes through the side wall of the first vertical plate and is fixedly connected with the output shaft of the driving motor, and the driving motor passes through The motor plate is fixed on the side wall of the first vertical plate, and the two gears are fixedly connected by a connecting shaft. According to the above scheme, the drive motor drives one of the gears to rotate, and the two gears are driven by a connecting shaft so that the two gears rotate together.

As a preference of the above scheme, two sets of the first linear slide rail groups and two sets of the second linear slide rail sets are arranged on the base plate, and the two sets of first linear slide rail sets are located on the same straight line The two sets of second linear slide rail groups are located on the same straight line, and one clamping unit is provided on the first linear slide rail group and the second linear slide rail group.

As a preference of the above solution, the first vertical plate and the first horizontal plate are integrally formed, and the second vertical plate and the second horizontal plate are integrally formed.

As a preference of the above solution, a sponge layer is provided on the bottom surface of the second horizontal plate of the pressing plate, and the thickness of the sponge layer is 5mm. According to the above scheme, the arrangement of the sponge layer can prevent the pressing plate from damaging the circuit board and protect the circuit board. The 5mm thick sponge layer can protect the circuit board and avoid damage caused by the sponge. If the layer thickness is too thick, the problem of poor clamping will occur.

The above description is only an overview of the technical solution of the utility model. In order to understand the technical means of the utility model more clearly and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with accompanying drawings. rear.

Description of drawings:

The following drawings are only intended to illustrate and explain the utility model schematically, and do not limit the scope of the utility model. in:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the partial structure schematic diagram of Fig. 1;

Fig. 3 is a side view of Fig. 1;

Fig. 4 is a partial sectional view of the utility model;

Fig. 5 is a left side view of Fig. 4 .

detailed description:

Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is described in further detail. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

Referring to Fig. 1 to Fig. 5, a kind of clamping mechanism of laser cutting circuit board described in the present utility model comprises frame 10, and substrate 20 is arranged on the frame, and the first perpendicular to each other is arranged on the substrate 20. A linear slide rail group 30 and a second linear slide rail group 40, the first linear slide rail group 30 and the second linear slide rail group 40 are provided with a clamping unit 50, and the clamping unit includes a sliding The movable plate 51 arranged on the first linear slide rail group 30 or the second linear slide rail group 40, the connecting plate 52 fixedly arranged on the movable plate and the pressing plate 53 movably arranged on the connecting plate, so The longitudinal section of the connecting plate 52 is an inverted "L" shape, and the connecting plate includes a first vertical plate 521 and a first horizontal plate 522 integrally formed, the lower end of the first vertical plate 521 is fixed on the movable plate 51, The upper end is fixed with the first horizontal plate 522, and there is an avoidance groove 523 extending along the longitudinal direction of the first horizontal plate 522 on the first horizontal plate. The second vertical plate 531 and the second horizontal plate 532, the bottom surface of the second horizontal plate is provided with a sponge layer 533, the thickness of the sponge layer is 5mm, the second vertical plate 531 is inserted vertically In the escape groove 523, a vertical rack portion 534 is formed on the side wall of the second vertical plate 531 opposite to the first vertical plate 521, and a mounting hole 524 is formed on the first vertical plate 521. A gear 60 cooperating with the rack part is hinged in the placement hole, and the gear is meshed with the rack part 534. The side wall opposite to the second vertical plate 531 on the first vertical plate 521 on one side of the gear 60 is A locking cylinder 70 is fixedly arranged on the top, and a locking rod 80 is fixedly connected to the piston rod of the locking cylinder, and the locking rod corresponds to the upper and lower meshing points of the gear 60 and the rack portion 534 .

Referring to Fig. 1, Fig. 2, described frame 10 comprises base plate 11, four columns 12 that are fixed on the four corners of described base plate top surface, and the bottom surface four corners of described base plate 20 are fixed on described four upright columns 12, and base plate 20 There is a side hole 21 in the middle part of the square hole 21, and a support plate 90 equal to the movable plate 51 is provided in the square hole 21. The size of the support plate is smaller than the size of the circuit board, and the bottom surface of the support plate 90 is fixedly connected with a lifting cylinder. 91 of the piston rod, the lifting cylinder 91 is fixedly arranged on the bottom plate 11.

Referring to Fig. 3 and Fig. 4, two rack portions 534 are formed on one side wall of the second vertical plate 531, and two placement holes 524 are formed on the first vertical plate 521. , two gears 60 are hinged in the two placement holes 524, and the locking cylinder 70 is fixed on the side wall of the first vertical plate 521 between the two gears, and the locking cylinder is a two-way biaxial cylinder 70, the two ends of the two-way two-axis cylinder 70 are formed with a pair of two-axis respectively facing the two gears 60, the number of the locking rods 80 is two pairs, and the two pairs of locking rods 80 are fixed on the two-way two-axis cylinder 70. One of the gears 60 is fixedly sleeved on the rotating shaft 61, and one end of the rotating shaft 61 passes through the side wall of the first vertical plate 521 and is fixedly connected with the output shaft of the driving motor 62. The driving motor 62 is fixed on the side wall of the first vertical plate 521 through the motor plate 63 , and the two gears 60 are fixedly connected through the connecting shaft 64 .

Referring to FIG. 1 , two sets of the first linear slide rail groups 30 and two sets of the second linear slide rail sets 40 are arranged on the base plate 20, and the two sets of first linear slide rail sets 30 are located on the same straight line The two sets of second linear slide rail sets 40 are located on the same straight line, and one clamping unit 50 is provided on the first linear slide rail set 30 and the second linear slide rail set 40 .

When the clamping mechanism of the present utility model is in use, according to the size of the circuit board to be processed, the movable plate 51 of the clamping unit 50 on the first linear slide rail group 30 and the second linear slide rail group 40 is moved, so that The clamping units 50 slowly approach each other, and then the edge of the circuit board to be processed is placed on the movable plate 51. According to the thickness of the circuit board, the distance between the second horizontal plate 532 of the pressing plate 53 and the movable plate 51 can be adjusted. Thus, the second horizontal plate 532 is pressed against the circuit board. Specifically, the gear 60 rotates in the placement hole 524 of the first vertical plate 521, driving the rack portion 534 of the second vertical plate 531 to move up and down, thereby making the The second horizontal plate 532 moves up and down. When the bottom surface of the second horizontal plate 532 is tightly pressed on the circuit board, the gear 60 stops rotating. At this time, the locking cylinder 70 starts, and the piston rod 71 of the locking cylinder 70 stretches to drive the locking rod. 71 moves towards the meshing place of the gear 60 and the rack portion 534 until the locking lever 80 stretches into the meshing point of the gear 60 and the rack portion 534 and is stuck on the meshing point, so that the gear 60 and the rack portion 534 are locked, thereby locking the The second horizontal plate 532 is locked on the circuit board, so that the second horizontal plate 532 tightly presses the circuit board on the movable plate 51 to complete the clamping of the circuit board.

In summary, the utility model can be applied to circuit boards of different types and sizes, has good versatility, and effectively reduces production costs.

The clamping mechanism of the laser cutting circuit board provided by the utility model is only a specific embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. Within the disclosed technical scope, changes or substitutions can be easily thought of, and all should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.

Claims (7)

1. a clamping device for cut circuit board, including frame (10), described frame It is provided with substrate (20), it is characterised in that: described substrate (2) is provided with orthogonal One line slide rail group (30) and the second line slide rail group (30), described first line slide rail group (30) it is equipped with grip unit (50), described clamping in and the second line slide rail group (40) Unit includes being slidably arranged in the first line slide rail group (30) or the second line slide rail group (40) On portable plate (51), the connecting plate (52) being fixedly installed on described portable plate and activity The pressing plate (53) being arranged on described connecting plate, the longitudinal cross-section of described connecting plate (52) in Inverted "L" shaped, connecting plate includes the first vertical plate (521) and the first horizontal plate (522), institute State the lower end of the first vertical plate (521) and be fixed on that portable plate (51) is upper, upper end is fixing State the first horizontal plate (522), the first horizontal plate offers one along the first horizontal plate (522) The escape groove (523) that longitudinal direction extends, the longitudinal cross-section of described pressing plate (53) is in " L " Type, pressing plate includes the second vertical plate (531) and the second horizontal plate (532), and described second erects Straight plate (531) is vertically plugged in described escape groove (523), the second vertical plate (531) Vertical tooth-strip part (534) is formed on the sidewall of relative first vertical plate (521), first Form placement hole (524) on vertical plate (521), be hinged with described in described placement hole The gear (60) that tooth-strip part (534) coordinates, described wheel and rack portion (534) is meshed, First vertical plate (521) of gear (60) side is upper relative with the second vertical plate (531) Locking cylinder (70) it is fixedly installed, the company of fixing on the piston rod of described locking cylinder on sidewall It is connected to check lock lever (80), described check lock lever and gear (60) and tooth-strip part (534) upper and lower Meshing point is corresponding.

The clamping device of cut circuit board the most according to claim 1, its feature It is: described frame (10) includes base plate (11), is fixed at described plate top surface corner Four columns (12), the bottom surface Corner Strapped of described substrate (20) is at described four columns (12), on, the middle part of substrate (20) offers a square hole (21), is provided with in described square hole The gripper shoe (90) contour with portable plate (51), described gripper shoe be smaller in size than circuit board Size, the bottom surface of gripper shoe (90) is fixedly connected with the piston rod of lift cylinder (91), Described lift cylinder (91) is fixedly installed on base plate (11).

The clamping device of cut circuit board the most according to claim 1, its feature It is: sidewall two ends of described second vertical plate (531) form two described tooth bars Portion (534), described first vertical plate (521) forms two described placement holes (524), Being hinged with two gears (60) in said two placement hole, first between two gears is vertical Being fixedly installed described locking cylinder (70) on plate (521) sidewall, described locking cylinder is two-way Twin shaft cylinder (70), bidirectional double-shaft cylinder (70) two ends form respectively respectively for two A pair twin shaft of gear (6), the quantity of described check lock lever (80) is two right, and two to locking Bar (80) is fixed on two pairs of twin shafts at bidirectional double-shaft cylinder (70) two ends.

The clamping device of cut circuit board the most according to claim 3, its feature It is: described one of them gear (60) fixed cover is located in rotating shaft (61), described rotating shaft One end pass the first vertical plate (521) sidewall and with drive motor (62) output shaft Fixing connection, described driving motor (62) is fixed on the first vertical plate by motor plate (63) (521), on sidewall, connect by connecting shaft (64) is fixing between two gears (60).

The clamping device of cut circuit board the most according to claim 1, its feature It is: on described substrate (20), be provided with the first line slide rail group (30) and two described in two groups Organizing described second line slide rail group (40), two group of first line slide rail group (30) is positioned at same On straight line, two group of second line slide rail group (40) is located along the same line, the first line slide rail It is provided with a described clamping unit (50) in group (30) and the second line slide rail group (40).

The clamping device of cut circuit board the most according to claim 1, its feature It is: described first vertical plate (521) and the first horizontal plate (522) are one-body molded, described Second vertical plate (531) and the second horizontal plate (532) are one-body molded.

The clamping device of cut circuit board the most according to claim 1, its feature It is: the bottom surface of second horizontal plate (532) of described pressing plate (53) is provided with spongy layer (533), The thickness of described spongy layer (533) is 5mm.