CN202155879U

CN202155879U - Rotary pawl linkage

Info

Publication number: CN202155879U
Application number: CN201120250792XU
Authority: CN
Inventors: 梁发新; 方伟杰; 高喜宏; 曾翔清; 肖华; 陈卓标
Original assignee: Dongguan Sciencgo Machinery Co Ltd
Current assignee: Dongguan Sciencgo Machinery Manufacturing Co Ltd
Priority date: 2011-07-15
Filing date: 2011-07-15
Publication date: 2012-03-07
Anticipated expiration: 2021-07-15

Abstract

The utility model relates to the technical field of electronic processing equipment, in particular to a rotary pawl linkage. The rotary pawl linkage comprises a mechanical pawl, a link rod and a driving device, wherein the driving device is used for driving the link rod to move up and down. The upper end of the link rod is connected with the driving device, and the low end of the link rod is connected with the mechanical pawl. The mechanical pawl comprises an elbow joint, and the upper part of the elbow joint is provided with a link groove. The upper width of the link groove is smaller than the lower width. An inner diameter swelling part is arranged at the lower end of the link rod, and the inner diameter swelling part is movably inlaid at the lower part of the link groove. On the premise that the synchronous rotation of the driving device and the mechanical pawl is avoided owing to the adoption of the rotary pawl linkage, the rotary pawl linkage does not prevent the link rod from driving the elbow joint to move up and down, the bending deformation amount and deformation intensity of a pipeline connected with the driving device are greatly reduced, the service life of the pipeline is prolonged, the situation that the pipeline and the driving device wind, thereby affecting the normal production of equipment is avoided, and the practicality is strong.

Description

Revolution paw linkage

Technical field

The utility model relates to the electronics technical field of processing equipment, refers in particular to a kind of revolution paw linkage.

Background technology

Along with developing rapidly of electronics industry; The application of electronics process equipment more and more widely; And mechanical paw is a device very commonly used in the electronics process equipment, and mechanical paw is mainly used in the gripping electronic component, and it is transported and be installed to circuit board; But the existing mechanical paw is because complex structure, and the control difficulty is high and cause tooling cost higher.

In addition, the existing mechanical paw generally adopts air cylinder driven, and cylinder need be communicated with air machinery through tracheae when work; Mechanical paw not only will move up and down at work, and himself also will constantly do gyration, so that electronic component is properly inserted on the PCB circuit board by correct angle; And the existing mechanical paw is in rotation process, and its cylinder also turns round along with mechanical paw together, thereby causes tracheae constantly to rock along with cylinder; The bending deformation quantity and the deformation intensity of tracheae increase greatly; Have a strong impact on the service life of tracheae, when serious, even caused tracheae to be wound on cylinder or other parts; Cause accidents such as device damage, defective is obvious.

Summary of the invention

The technical problem that the utility model will solve provides a kind of when mechanical paw turns round action, avoids drive unit to follow the revolution paw linkage that mechanical paw rotates together.

In order to solve the problems of the technologies described above; The utility model adopts following technical scheme: a kind of revolution paw linkage comprises mechanical paw, gangbar and is used to drive the drive unit that gangbar moves up and down that the upper end of gangbar is connected with drive unit; The lower end of gangbar is connected with mechanical paw; Said mechanical paw comprises knuckle joint, and the top of this knuckle joint offers the interlock groove, and the upper width of this interlock groove is less than lower width; The lower end of said gangbar is provided with the internal diameter portion that swells, and the portion's activity that swells of this internal diameter is embedded at the bottom of interlock groove.

Wherein, the bottom, cross section of said interlock groove is rounded, and the top, cross section of this interlock groove is rectangular; The lower end of said gangbar is provided with the connection bulb, and this connection bulb activity is embedded at the bottom of interlock groove.

Wherein, the bottom, cross section of said interlock groove is rectangular, and the top, cross section of this interlock groove is rectangular; The lower end of said gangbar is provided with the connection coiled hair, and this connection coiled hair activity is embedded at the bottom of interlock groove.

Wherein, said drive unit comprises pressure cylinder, and the drive rod of this pressure cylinder and the upper end of gangbar are in transmission connection.

Preferably, said pressure cylinder is pneumatic cylinder or hydraulic cylinder.

Wherein, the junction of the upper end of said drive rod and gangbar is provided with connector, and the top of this connector is connected with the lower end of drive rod, and the bottom of this connector offers horizontal cut; The upper end of said gangbar offers annular groove, and this annular groove activity is embedded at horizontal cut.

The beneficial effect of the utility model is: the utility model provides a kind of revolution paw linkage; Comprise mechanical paw, gangbar and be used to drive the drive unit that gangbar moves up and down; The upper end of gangbar is connected with drive unit, and the lower end of gangbar is connected with mechanical paw, and said mechanical paw comprises knuckle joint; The top of this knuckle joint offers the interlock groove; The upper width of this interlock groove is less than lower width, and the lower end of said gangbar is provided with the internal diameter portion that swells, and the portion's activity that swells of this internal diameter is embedded at the bottom of interlock groove.In actual process; When doing the revolution action, said knuckle joint rotates with mechanical paw mechanical paw in the driving action of stepper motor, because the lower end of gangbar and knuckle joint flexible connection; When knuckle joint rotates; The internal diameter portion that swells that activity is embedded at interlock groove bottom rotates with respect to the interlock groove, turns round together thereby avoid gangbar to follow mechanical paw, and the drive unit that connects with the gangbar upper end also need not to do the revolution action with mechanical paw; Simultaneously, because the internal diameter portion of swelling is embedded at the bottom of interlock groove, gangbar is done when moving up and down, and knuckle joint is along with the lower end of gangbar moves up and down together, thereby realizes the clamping of mechanical paw and unclamp action.The said revolution paw of the utility model linkage does not influence gangbar again and drives knuckle joint and move up and down under the prerequisite of avoiding drive unit and mechanical paw to rotate synchronously, the bending deformation quantity and the deformation intensity of the pipeline that has reduced greatly to be connected with drive unit; Prolonged the service life of pipeline; Avoid pipeline and drive unit to twine and influence the ordinary production of equipment, the raising efficiency of equipment, simple in structure; Prolonged the service life of pipeline and equipment greatly, practical.

Description of drawings

Fig. 1 is the perspective view of the utility model embodiment one.

Fig. 2 is the cross-sectional view of the utility model embodiment one.

Fig. 3 is the structural representation of gangbar, connector and the knuckle joint of the utility model embodiment one.

Fig. 4 is the structural representation of gangbar, connector and the knuckle joint of the utility model embodiment two.

The specific embodiment

For the ease of those skilled in the art's understanding, below in conjunction with embodiment and accompanying drawing the utility model is further described, the content that embodiment is mentioned not is the qualification to the utility model.

Extremely shown in Figure 3 like Fig. 1 is a kind of embodiment one that turns round the paw linkage shown in the utility model; Comprise mechanical paw 1, gangbar 2 and be used to drive the drive unit that gangbar 2 moves up and down; The upper end of gangbar 2 is connected with drive unit, and the lower end of gangbar 2 is connected with mechanical paw 1, and said mechanical paw 1 comprises knuckle joint 3; The top of this knuckle joint 3 offers interlock groove 4; The upper width of this interlock groove 4 is less than lower width, and the lower end of said gangbar 2 is provided with the internal diameter portion that swells, and the portion's activity that swells of this internal diameter is embedded at the bottom of interlock groove 4.In actual process; Mechanical paw 1 is being done when action revolution under the driving action of stepper motor, and said knuckle joint 3 rotates with mechanical paw 1, because the lower end of gangbar 2 and knuckle joint 3 flexible connections; When knuckle joint 3 rotates; The internal diameter portion that swells that activity is embedded at interlock groove 4 bottoms rotates with respect to interlock groove 4, turns round together thereby avoid gangbar 2 to follow mechanical paw 1, and the drive unit that connects with gangbar 2 upper ends also need not to do the revolution action with mechanical paw 1; Simultaneously, because the internal diameter portion of swelling is embedded at the bottom of interlock groove 4, gangbar 2 is done when moving up and down, and knuckle joint 3 is along with the lower end of gangbar 2 moves up and down together, thereby realizes the clamping of mechanical paw 1 and unclamp action.The said revolution paw of the utility model linkage does not influence gangbar 2 again and drives knuckle joints 3 and move up and down under the prerequisite of avoiding drive unit and mechanical paw 1 to rotate synchronously, the bending deformation quantity and the deformation intensity of the pipeline that has reduced greatly to be connected with drive unit; Prolonged the service life of pipeline; Avoid pipeline and drive unit to twine and influence the ordinary production of equipment, the raising efficiency of equipment, simple in structure; Prolonged the service life of pipeline and equipment greatly, practical.

The bottom, cross section of the said interlock groove 4 of present embodiment is rounded, and the top, cross section of this interlock groove 4 is rectangular; The said internal diameter portion of swelling is for connecting bulb 6, and these connections bulb 6 activities are embedded at the bottom of the groove 4 that links.The internal diameter of the bottom that the cross section is rounded when connection bulb 6 moves up along with gangbar 2, connects the top that bulb 6 promotes the less interlock groove 4 of width greater than the rectangular upper width in cross section, moves up to drive knuckle joint 3; When connection bulb 6 moves down along with gangbar 2, connect the bottom of the bottom promotion interlock groove 4 of bulb 6, move down to drive knuckle joint 3; Moving up and moving down respectively driving device paw 1 on the knuckle joint 3 done and clamped and unclamp action; Connecting bulb 6 simultaneously can freely rotate in interlock groove 4; Need not that gangbar 2 is followed mechanical paw 1 with said drive unit or knuckle joint 3 rotates together; Simple in structure, the maintenance and the cost of overhaul are low, and economic benefit is high.

The said drive unit of present embodiment comprises pressure cylinder, and the drive rod 9 of this pressure cylinder is in transmission connection with the upper end of gangbar 2.Preferred embodiment be that said power set are pneumatic cylinder 8, utilize air pressure to drive to control the stretching out and bounce back of drive rod 9 of pneumatic cylinder 8, and then realize the driving function of power set that the control operation is simple and convenient, practicality is stronger.Certainly, said power set can also be hydraulic cylinder, utilize hydraulic-driven to control the stretching out and bounce back of drive rod 9 of hydraulic cylinder.

The said drive rod 9 of present embodiment is provided with connector 10 with the junction of the upper end of gangbar 2, and the top of this connector 10 is connected with the lower end of drive rod 9, and the bottom of this connector 10 offers horizontal cut 11; The upper end of said gangbar 2 offers annular groove 12, and these annular groove 12 activities are embedded at horizontal cut 11, and the upper end of gangbar 2 can freely be rotated in horizontal cut 11; When gangbar 2 is rotated; Avoid drive rod 9 and gangbar 2 to rotate synchronously, thereby further avoid said drive unit and mechanical paw 1 to rotate synchronously, the tracheae that reduces to be communicated with pneumatic cylinder 8 rocks; Prolong the service life of tracheae and equipment, practicality is stronger.

Be illustrated in figure 4 as a kind of embodiment two that turns round the paw linkage shown in the utility model, be with the difference of the foregoing description one: the bottom, cross section of said interlock groove 4 is rectangular, and the top, cross section of this interlock groove 4 is rectangular; The said internal diameter portion of swelling is for connecting coiled hair 7, and these connections coiled hair 7 activities are embedded at the bottom of the groove 4 that links.When connection coiled hair 7 moved up along with gangbar 2, the top that the upper surface of connection coiled hair 7 promotes the less interlock groove 4 of width moved up to drive knuckle joint 3; When connection coiled hair 7 moves down along with gangbar 2, connect the bottom of the bottom promotion interlock groove 4 of coiled hair 7, move down to drive knuckle joint 3; Moving up and moving down respectively driving device paw 1 on the knuckle joint 3 done and clamped and unclamp action; Connecting coiled hair 7 simultaneously can freely rotate in interlock groove 4; Need not that gangbar 2 is followed mechanical paw 1 with said drive unit or knuckle joint 3 rotates together; Equally also can reach above-mentioned technique effect, obviously progressive.

The foregoing description is the preferable implementation of the utility model, and in addition, the utility model can also alternate manner realizes, in any conspicuous replacement under the prerequisite that does not break away from the utility model inventive concept all within the protection domain at the utility model.

Claims

1. turn round the paw linkage; Comprise mechanical paw (1), gangbar (2) and be used to drive the drive unit that gangbar (2) moves up and down; The upper end of gangbar (2) is connected with drive unit, and the lower end of gangbar (2) is connected with mechanical paw (1), it is characterized in that: said mechanical paw (1) comprises knuckle joint (3); The top of this knuckle joint (3) offers interlock groove (4); The upper width of this interlock groove (4) is less than lower width, and the lower end of said gangbar (2) is provided with the internal diameter portion that swells, and the portion's activity that swells of this internal diameter is embedded at the bottom of interlock groove (4).

2. revolution paw linkage according to claim 1 is characterized in that: the bottom, cross section of said interlock groove (4) is rounded, and the top, cross section of this interlock groove (4) is rectangular; The said internal diameter portion of swelling is for connecting bulb (6), and this connections bulb (6) activity is embedded at the bottom of the groove (4) that links.

3. revolution paw linkage according to claim 1 is characterized in that: the bottom, cross section of said interlock groove (4) is rectangular, and the top, cross section of this interlock groove (4) is rectangular; The said internal diameter portion of swelling is for connecting coiled hair (7), and this connections coiled hair (7) activity is embedded at the bottom of the groove (4) that links.

4. revolution paw linkage according to claim 1, it is characterized in that: said drive unit comprises pressure cylinder, the drive rod of this pressure cylinder (9) is in transmission connection with the upper end of gangbar (2).

5. revolution paw linkage according to claim 4 is characterized in that: said pressure cylinder is pneumatic cylinder (8) or hydraulic cylinder.

6. revolution paw linkage according to claim 4; It is characterized in that: said drive rod (9) is provided with connector (10) with the junction of the upper end of gangbar (2); The top of this connector (10) is connected with the lower end of drive rod (9), and the bottom of this connector (10) offers horizontal cut (11); The upper end of said gangbar (2) offers annular groove (12), and this annular groove (12) activity is embedded at horizontal cut (11).