Guide track transmission mechanism
Technical field
The present invention relates to a kind of guide track transmission mechanism, belong to the single shaft or the transmission system field, multiaxis location of section bar process equipment, wood processing equipment and metal-working plant.
Background technique
Most of at present mode by driven by motor band realization transmission on straight line synchronously mostly need use linear slide rail or linear bearing fitted shaft core type slide rail to position.The basic structure of this mode is to use connecting plate to be installed on linear slide rail or the axial center type slide rail parts that need transmission (can be working machine head or other equipment, also can be the multiaxis transmission), realizes the linear orientation transmission of transmission part.The synchronous band drive of output motor being housed through the end needs the parts linear motion of transmission.This mode is linear slide rail or axial center type slide rail owing to what use; So permissible load is big in the working procedure; Single shaft or the work of multiaxis direction all have high rigidity, have the function of four directions to even load characteristics and self-aligning simultaneously, can absorb the processing and the assembly error of attachment face.
Because it is high that processing linear slide rail or axial center type slide rail require lathe, and guide rail self material is good, shapes complex process, rail length receives the influence of each side such as lathe.Aspect stroke; Though all sliceable use of linear slide rail or axial center type slide rail is all influential to guide rail intensity, precision and the working life of jointing positions, and under the prerequisite that satisfies product processing Design Orientation precision; Use the guide rail cost of longer stroke high, cause unnecessary waste.Because itself no self-lubricating function, want regular when using linear slide rail or axial center type slide rail to guide rail and slide member filling oiling agent or other lubricant methods, with the normal use of assurance guide rail.
Summary of the invention
The technical problem that the present invention will solve provides a kind of guide track transmission mechanism, not only easy to install, stable drive, accurate positioning, and can selflubricating.
In order to solve the problems of the technologies described above, the present invention adopts following scheme:
A kind of guide track transmission mechanism comprises guide rail, and said guide rail inside is provided with the slide block that can move along said guide rail length direction, and said slide block inside is provided with driven gear unit, and is provided with lubricious strip between slide block and the guide rail.
Consider and install and adjust driving error conveniently, said guide rail inside has more than one chute, and said lubricious strip is arranged on chute inside, and links to each other with slide block through T type bolt.
The chute that it is right-angled triangle that said guide rail inside has four cross sections, and chute is in one foursquare four jiaos; Said shoe surface has four T-slots; Said lubricious strip is four, and it is inner to be arranged on said chute; Every lubricious strip two ends are equipped with the adjusting screw that T-slot matches, and are middle through T type bolt and slide block.
For accurate spacing and safe transmission, the inside, two ends of said guide rail is equipped with the photoelectric protection limit switch, said slide block upper surface be provided with along its length can with the contacted boss of photoelectric protection limit switch.
Consider that transmission is convenient, said guide rail simultaneously is provided with opening, and said slide block side is provided with the linkage unit that is used to connect workpiece, and this linkage unit passes opening and stretches out.
Said gear unit is synchronous pulley group or sprocket wheel chain group.
Said gear unit is the synchronous pulley group, and said synchronous band inside is provided with pressing plate, and this pressing plate links to each other with slide block through bolt.
Clean and tidy in order to guarantee guide rail, the upper and lower surface of said opening is provided with the mounting hole of two symmetries, and this mounting hole inside is provided with dust-proofing seal.
Install and fix for ease, the outer surface of said guide rail is evenly equipped with eight T type mounting grooves.
Consider wear resistance, stability, self lubricity and cost, said lubricious strip is engineering plastics.
Beneficial effect of the present invention:
Adopt said structure, easy to install; Owing to be provided with lubricious strip between slide block and the guide rail, not only strengthened self lubricity, stability and the wear resistance of guide rail, and reduced noise.
Figure of description
Fig. 1 is the selected embodiment's of the present invention structural representation.
Fig. 2 is vertical cross-sectional schematic of the selected embodiment of the present invention.
Fig. 3 is the selected embodiment's of the present invention axial cross-sectional schematic.
Among the figure 1, guide rail, 2, slide block, 3, lubricious strip, 4, band synchronously, 5, pressing plate, 6, the photoelectric protection limit switch, 7, mounting hole, 8, linkage unit, 9, T type bolt, 10, T type mounting groove, 11, chute, 12, T-slot, 13, boss, 14, end cap.15, adjusting screw.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is explained further details, following explanation only is exemplary, is used for those skilled in the art and better understands the present invention.
Like Fig. 1,2, shown in 3; A kind of guide track transmission mechanism comprises guide rail 1, and said guide rail 1 inside is provided with the slide block 2 that can move along said guide rail 1 length direction; Said slide block 2 inside are provided with driven gear unit, and are provided with lubricious strip 3 between slide block 2 and the guide rail 1.
As shown in Figure 1, guide rail 1 cross section is a square, the chute 11 that it is right-angled triangle that said guide rail 1 inside has four cross sections, and chute 11 is in four jiaos of a square interior; Said lubricious strip 3 is four, and is arranged on said chute 11 inside; Link to each other through T type bolt 9 between lubricious strip 3 and the slide block 2; Said slide block 2 surfaces have four T-slots 12; Said T type bolt 9 matches with T-slot 12, and the other end links to each other with lubricious strip 3, through the adjusting screw 15 adjusting lubricious strip 3 at lubricious strip 3 two ends and the matching gap of chute 11.Certainly the field personnel can expect under, if when slide block 2 and guide rail 1 inner chamber be triangle, said lubricious strip 3 three of needs get final product.
For accurate spacing and safe transmission; The inside, two ends of said guide rail 1 is equipped with photoelectric protection limit switch 6, said slide block 2 upper surfaces be provided with along its length can with photoelectric protection limit switch 6 contacted boss 13, mechanism when assembling; At first the limit circuit plate is fixedly mounted in the groove at guide rail 1 two ends through end cap 14; During gear unit work, photoelectric protection limit switch 6 is in "on" position, when guide rail 1 inner slide block 2 moves to guide rail 1 end; Slide block 2 triggers photoelectric protection limit switch 6 and sends power-off signal; And with the power mechanism of signal conveys to the driving gear unit, power mechanism quits work after receiving signal, stop motion when slide block 2 moves to photoelectric protection limit switch 6.
Said guide rail simultaneously is provided with opening, and said slide block 2 sides are provided with the linkage unit 8 that is used to connect workpiece, and this linkage unit 8 passes opening and stretches out, and can power conveniently be driven to workpiece.
Consider cost and implement conveniently; Said gear unit is the synchronous pulley group, and it drives power and can select motor to provide, and said 4 inside of being with synchronously are provided with pressing plate 5; This pressing plate 5 links to each other with slide block 2 through bolt, and certain said gear unit can also be sprocket wheel chain group.
The upper and lower surface of said opening is provided with the mounting hole 7 of two symmetries, and these mounting hole 7 inside are provided with dust-proofing seal, can keep guide rail 1 cleaning of inner chamber in the course of the work.
The outer surface of said guide rail 1 is evenly equipped with eight T type mounting grooves 10, is convenient to the installation of guide rail 1 and fixing.
Said lubricious strip 3 is engineering plastics, and itself has self lubricity engineering plastics, when lubricious strip 3 and guide rail 1 sliding friction, need not again it to be added oiling agent.
When utilizing the present invention to work, the electrical power that is installed in guide rail 1 one ends drives is with 4 work synchronously, and slide block is screwed through pressing plate 5 and is being with on 4 synchronously; Synchronously with 4 Idle wheel tensioning work in guide rail 1 through being installed in the guide rail the other end; Lubricious strip 3 is fixed in four T type grooves of slide block 2, and cooperates slip with guide rail 11 inner chambers location, at the two ends of lubricious strip 3 expansion screw 15 is arranged respectively; In assembly process; Use expansion screw 9 to regulate the matching gap of wear ribs 3 and guide rail 1,2 of cunnings that makes reciprocatingly slide at guide rail 11 neutral lines under synchronously with 4 drive.
For spacing to driving mechanism and to the protection of equipment, at the two ends of guide rail 11 photoelectric protection limit switch 6 is installed respectively, be fixed on the end cap 14 with screw, and can photosignal be transferred to motor.When slide block 2 moves to guide rail 11 ends, when the boss 13 of slide block 2 upper ends was triggered to photoelectric limit switch 6, photoelectric limit switch 6 issued a signal to motor, and motor quits work after receiving signal, played the spacing effect of safety.
Basic principle of the present invention and advantage have more than been described.The present invention is not restricted to the described embodiments; In the prerequisite that does not break away from the scope of the invention; Those skilled in the art can do many variations and improvement as required, can be set as other shapes as required like said lubricious strip 3, and slide block 2 can be provided with other shapes as required.Protection scope of the present invention should be defined by accompanying claims and equivalent.