CN207858819U - One kind being convenient for fixed pcb board floating holding jaw - Google Patents

Abstract

The utility model discloses one kind being convenient for fixed pcb board floating holding jaw, including mechanical arm, No.1 gripper jaw and No. two gripper jaws, the No.1 gripper jaw and No. two gripper jaws are connected to mechanical arm both ends, the No.1 gripper jaw includes No.1 collet and No. two collets, No. two gripper jaws include No. three collets and No. four collets, the No.1 gripper jaw and No. two gripper jaw one end are both provided with driving wheel, described driving wheel one end is connected with synchronous belt, and the driving wheel is connected with driven wheel by synchronous belt.Driving wheel and driven wheel should be driven respectively using synchronous belt convenient for fixed pcb board floating holding jaw, collet is set to realize clamping of floating, complete tightening and loosening operation, performance accuracy higher can form pcb board certain buffer protection effect by connecting flexibly positioned column in collet side, by connecting hydraulic stem in connecting shaft side, control is adjusted to the flexible clamping length of mechanical arm, keeps its scope of application wider, clamping stability improves.

Description

One kind being convenient for fixed pcb board floating holding jaw

Technical field

The utility model is related to pcb board manufacturing technology fields, specially a kind of to be convenient for fixed pcb board floating holding jaw.

Background technology

PCB circuit board, that is, printed circuit board, also known as printed circuit board are the suppliers of electronic component electrical connection, it Development have more than 100 years history, the design of pcb board is mainly layout design, and the major advantage using circuit board is significantly The mistake for reducing wiring and assembly, improves the gentle productive labor rate of Automated water, in recent ten years, China's printed circuit board system It is rapid to make industry development, the gross output value, total output occupy the first in the world in pairs, and since electronic product makes rapid progress, price war changes The structure of supply chain, China have both industry distribution, cost and the market advantage, have become the most important printed circuit board in the whole world Production base, when pcb board is assembled in the production line, need to be taken circuit board and fixing circuit board using dedicated tool.

With clamping device, its structure is more single for existing pcb board production, and the linkage effect in clamping is poor, therefore its High clamp precision is needed, it is insufficient using adaptability to accordingly improve production cost, and existing clamping device pair The protectiveness component relative absence of pcb board, cannot form pcb board and device itself certain protection effect, be easy to cause volume Outer loss, use cost further increase, and in addition in terms of the adjusting adaptability to mechanical arm, existing clamping device adjusts effect Fruit is poor, and stability in use is to be improved.

Invention content

The purpose of this utility model is to provide one kind being convenient for fixed pcb board floating holding jaw, to solve existing pcb board Production is more single with clamping device structure, and the linkage effect in clamping is poor, and production cost is higher, and to pcb board Protectiveness component relative absence, be easy to cause excess loss, and effect is poor in terms of the adjusting adaptability to mechanical arm in addition, makes With stability problem to be improved.

To achieve the above object, the utility model provide the following technical solutions it is a kind of being convenient for fixed pcb board floating holding jaw, Including mechanical arm, No.1 gripper jaw and No. two gripper jaws, the No.1 gripper jaw and No. two gripper jaws are connected to mechanical arm Both ends, the No.1 gripper jaw include No.1 collet and No. two collets, and No. two gripper jaws include No. three collets and No. four folders Head, the No.1 gripper jaw and No. two gripper jaw one end are both provided with driving wheel, and described driving wheel one end is connected with synchronous belt, institute It states driving wheel and driven wheel is connected with by synchronous belt, the No.1 collet, No. two collets, No. three collets and No. four collet one end are equal It is connected with holder, and holder side is connected with flexibly positioned column, described flexibly positioned column one end is connected with fixed plate, and elasticity is fixed Position column is connect by fixed plate with holder, and described flexibly positioned column one end is provided with dashpot, and dashpot is set in holder Portion, described mechanical arm one end are connected with connecting shaft.

Preferably, the driving wheel and driven wheel one end are respectively connected with the linear guide, and the linear guide is set to synchronous belt Inside.

Preferably, the No.1 collet, No. two collets, No. three collets and No. four collet sides are both provided with V word clamping plates.

Preferably, described mechanical arm one end is connected with driving mechanism, the mechanical arm by driving mechanism respectively with No.1 Gripper jaw and No. two gripper jaw connections.

Preferably, the driving mechanism side is connected with rotation axis, and the mechanical arm is connected by rotation axis and driving mechanism It connects.

Preferably, the one end of the connecting shaft is connected with hydraulic stem, and the connecting shaft both sides are respectively connected with postive stop baffle.

Compared with prior art, the utility model has the beneficial effects that：

1, the utility model corresponds to by the way that collet is arranged two-by-two respectively and respectively one group of gripper jaw, two groups of gripper jaws when use Synchronous tightening forms clamping effect, and driving wheel and driven wheel are driven respectively using synchronous belt in operation, so that collet is realized and floats Clamping, and collet is made to complete tightening and loosening operation, it can be good at the floating for keeping plank when pcb board is clamped Property, the pcb board for needing PIN to position more can be accurately picked and placeed, to effectively reduce the positioning accuracy request to the manipulator, It is also effectively controlled to the production cost of the manipulator and clamping device.

2, the utility model in collet side by connecting flexibly positioned column, and is arranged in flexibly positioned column one end and buffers Slot can form plank certain buffer protection effect, one side energy when pcb board is clamped using flexibly positioned column It is enough effectively to be adapted to according to factors such as the different size of pcb board and thickness, on the other hand can prevent pcb board when being clamped by Power is excessively squeezed damage, while can be accepted to subtracting the pressure released using dashpot, is improved using adaptability.

3, the utility model in connecting shaft side by connecting hydraulic stem, and is respectively provided with postive stop baffle at connecting shaft both ends, Control can be adjusted to the flexible clamping length of mechanical arm using hydraulic stem, keep the scope of application of the floating holding jaw wider, On the one hand the joint of connecting shaft and power plant can be filled and screens, be prevented for a long time using postive stop baffle simultaneously It is subjected to displacement influence after work to use, the use of another aspect postive stop baffle can improve the fixed effect of mechanical arm, further Improve its stability when carrying out pcb board clamping and using.

Description of the drawings

Fig. 1 is the utility model overall structure diagram；

Fig. 2 is the utility model present invention looks up structural representation；

Fig. 3 is the utility model main structure diagram；

Fig. 4 is the utility model gripper jaw side structure schematic view；

Fig. 5 is the utility model gripper jaw main structure diagram.

In figure：1, mechanical arm, 2, No.1 gripper jaw, 3, No. two gripper jaws, 4, No.1 collet, 5, No. two collets, 6, No. three Collet, 7, No. four collets, 8, driving wheel, 9, driven wheel, 10, the linear guide, 11, connecting shaft, 12, V word clamping plates, 13, elasticity it is fixed Position column, 14, fixed plate, 15, holder, 16, dashpot, 17, rotation axis, 18, driving mechanism, 19, synchronous belt, 20, hydraulic stem； 21, postive stop baffle.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

- 5 are please referred to Fig.1, the utility model provides a kind of technical solution：One kind being convenient for fixed pcb board floating holding jaw, packet Include mechanical arm 1,2, No. two gripper jaws 3 of No.1 gripper jaw, 6, No. four collets 7 of the collet of collet 5, three of No.1 collet 4, two, master Driving wheel 8, driven wheel 9, the linear guide 10, connecting shaft 11, V words clamping plate 12, flexibly positioned column 13, fixed plate 14, holder 15, buffering Slot 16, rotation axis 17, driving mechanism 18, synchronous belt 19, hydraulic stem 20 and postive stop baffle 21, No.1 gripper jaw 2 and No. two clampings Pawl 3 is connected to 1 both ends of mechanical arm, and convenient for completion gripping is carried out while tightened from both direction, No.1 gripper jaw 2 includes one Number collet 4 and No. two collets 5, No. two gripper jaws 3 include No. three collets 6 and No. four collets 7, convenient for generating floating clamping effect, It is promoted and adaptability, No.1 gripper jaw 2 and No. two 3 one end of gripper jaw is used to be both provided with driving wheel 8, the rotation for providing collet Support, 8 one end of driving wheel are connected with synchronous belt 19, form an entirety, and convenient for generating connected effect, driving wheel 8 passes through synchronization Band 19 is connected with driven wheel 9, forms linkage section, limits scope of activities, and stability in use improves, 4, No. two collets of No.1 collet 5, No. three collets 6 and No. four 7 one end of collet are respectively connected with holder 15, support and fix respectively, and 15 side of holder It is connected with flexibly positioned column 13, clamping fixed effect is promoted when carrying out pcb board clamping, while being directed to the PCB of different size Plate can carry out adaptively, and 13 one end of flexibly positioned column is connected with fixed plate 14, and flexibly positioned column 13 is fixed and is protected, and increase The service life of strong stability in use and flexibly positioned column 13, and flexibly positioned column 13 is connect by fixed plate 14 with holder 15, Support is formed through holder 15,13 one end of flexibly positioned column is provided with dashpot 16, to generating contractile response when clamping stress and inciting somebody to action Pressure conduction subtract releasing to dashpot 16, and dashpot 16 is set to inside holder 15, and support effect is stronger, mechanical arm 1 one End is connected with connecting shaft 11, and for being engaged with power plant, driving wheel 8 and 9 one end of driven wheel are respectively connected with the linear guide 10, keep the domain of walker of collet wider, adaptation effect is more preferable, and the linear guide 10 is set to 19 inside of synchronous belt, does not influence same The normal linkage reaction of band 19 is walked, the collet 6 of collet 5, three of No.1 collet 4, two and No. four 7 sides of collet are both provided with V words Clamping plate 12, the pcb board clamping adaptation for being directed to different shape is better, and 1 one end of mechanical arm is connected with driving mechanism 18, is floating The operation of dynamic clamping jaw provides power resources, mechanical arm 1 by driving mechanism 18 respectively with No.1 gripper jaw 2 and No. two gripper jaws 3 Connection, realizes the clipping operation of gripper jaw, and 18 side of driving mechanism is connected with rotation axis 17, mechanical arm 1 by rotation axis 17 with Driving mechanism 18 connects, and laterally a wide range of adjusting can be carried out to gripper jaw, claming angle is wider, and 11 one end of connecting shaft is connected with liquid Compression bar 20, the adjusting control for carrying out clamp distance to mechanical arm 1,11 both sides of connecting shaft are respectively connected with postive stop baffle 21, Fixed effect is more preferable when connecting shaft 11 is engaged with power plant, and operation stability is promoted.

Operation principle：When using should be convenient for fixed pcb board floating holding jaw, two groups of gripper jaws synchronize tightening shapes when use At clamping effect, driving wheel 8 and driven wheel 9 are driven respectively using synchronous belt 19 in operation, and collet is made to realize clamping of floating, it is complete At tightening and loosening operation, can be good at the floatability for keeping plank when pcb board is clamped, operation is more accurate, It, can be to PCB by connecting flexibly positioned column 13 in collet side to effectively reduce the positioning accuracy request to the manipulator Plate forms certain buffer protection effect, and the factors such as different size and thickness not only according to pcb board are effectively adapted to, and Pcb board overstress in clamping can be prevented to be squeezed damage can be right by connecting hydraulic stem 20 in 11 side of connecting shaft Control is adjusted in the flexible clamping length of mechanical arm 1, keeps the scope of application of the floating holding jaw wider, while utilizing postive stop baffle 21 can be filled the joint of connecting shaft 11 and power plant and screens, keep it steady when carrying out pcb board clamping and using Qualitative raising.

Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art is come Say, still can with technical scheme described in the above embodiments is modified, or to which part technical characteristic into Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all It is included within the scope of protection of this utility model.

Claims (6)

1. one kind being convenient for fixed pcb board floating holding jaw, including mechanical arm (1), No.1 gripper jaw (2) and No. two gripper jaws (3), The No.1 gripper jaw (2) and No. two gripper jaws (3) are connected to mechanical arm (1) both ends, it is characterised in that：The No.1 folder It includes No.1 collet (4) and No. two collets (5) to hold pawl (2), and No. two gripper jaws (3) include No. three collets (6) and No. four folders Head (7), the No.1 gripper jaw (2) and No. two gripper jaw (3) one end are both provided with driving wheel (8), described driving wheel (8) one end It is connected with synchronous belt (19), the driving wheel (8) is connected with driven wheel (9) by synchronous belt (19), the No.1 collet (4), No. two collets (5), No. three collets (6) and No. four collet (7) one end are respectively connected with holder (15), and holder (15) side is connected with Flexibly positioned column (13), described flexibly positioned column (13) one end is connected with fixed plate (14), and flexibly positioned column (13) passes through admittedly Fixed board (14) is connect with holder (15), and described flexibly positioned column (13) one end is provided with dashpot (16), and dashpot (16) is set It is internal to be placed in holder (15), described mechanical arm (1) one end is connected with connecting shaft (11).

2. according to claim 1 a kind of convenient for fixed pcb board floating holding jaw, it is characterised in that：The driving wheel (8) It is respectively connected with the linear guide (10) with driven wheel (9) one end, and the linear guide (10) is set on the inside of synchronous belt (19).

3. according to claim 1 a kind of convenient for fixed pcb board floating holding jaw, it is characterised in that：The No.1 collet (4), No. two collets (5), No. three collets (6) and No. four collet (7) sides are both provided with V words clamping plate (12).

4. according to claim 1 a kind of convenient for fixed pcb board floating holding jaw, it is characterised in that：The mechanical arm (1) One end is connected with driving mechanism (18), the mechanical arm (1) by driving mechanism (18) respectively with No.1 gripper jaw (2) and No. two Gripper jaw (3) connects.

5. according to claim 4 a kind of convenient for fixed pcb board floating holding jaw, it is characterised in that：The driving mechanism (18) side is connected with rotation axis (17), and the mechanical arm (1) is connect by rotation axis (17) with driving mechanism (18).

6. according to claim 1 a kind of convenient for fixed pcb board floating holding jaw, it is characterised in that：The connecting shaft (11) one end is connected with hydraulic stem (20), and connecting shaft (11) both sides are respectively connected with postive stop baffle (21).