Portable fitter's marking rule
Technical Field
The utility model provides a portable bench worker scribing ruler, and belongs to the technical field of bench workers.
Background
Scribing during a bench work operation is performed to accurately mark the location of a cut, drill or other machining operation during the work process. The scribing can help the fitter maintain accuracy and precision in the machining process, and the final product is ensured to meet the design requirements.
The existing scribing ruler is always a single ruler, secondary operation is needed when a stepped workpiece is scribed, namely, the scribing ruler is positioned once, the scribing ruler is positioned after scribing is completed, and scribing is performed on the same workpiece, because of the shape of the step of the workpiece, the scribing is needed to be positioned twice, so that operation steps are increased, and scribing errors are increased easily. In view of the above, a new bench mark ruler is needed to solve the above problems.
Disclosure of utility model
The utility model aims to solve the technical problems that when a stepped workpiece is scribed, the operation steps are increased by utilizing the secondary operation of a scribing ruler, and the scribing error is easily increased by secondary positioning.
The portable bench scribing ruler comprises a step-shaped working plate, a bearing plate is arranged on the working plate, an lower scribing ruler is arranged below the bearing plate and corresponds to the lower step of the working plate, a groove is formed in the bearing plate, a lifting structure fixedly connected with the lower scribing ruler is arranged in the groove, a horizontal sliding groove is formed in the bearing plate, an upper scribing ruler is arranged in the sliding groove in a sliding mode and corresponds to the step on the working plate, jacks which are uniformly distributed horizontally are formed in the upper scribing ruler, a fixed cylinder is fixedly arranged on the bearing plate, and a plug-in structure which is inserted into the jacks is arranged in the fixed cylinder.
The lifting structure comprises a lifting plate, a lifting cylinder and a connecting rod, wherein the lifting plate is arranged in the groove in a sliding mode, the lifting cylinder is fixedly connected below the lifting plate, the connecting rod is fixedly connected below the lifting cylinder, the connecting rod is fixedly connected with the underline ruler, a screw rod is rotationally arranged in the bearing plate, and the lifting plate is connected to the screw rod in a threaded mode.
As an improvement, the groove is square, the lifting plate is square corresponding to the groove, and the lifting plate is attached to the inner wall of the groove.
The guide block is fixedly connected with the lower scribing ruler, the guide hole is formed in the bottom of the bearing plate, and the sliding rod is fixedly connected with the lower scribing ruler.
The improved plug-in structure comprises a plug rod and a fixing ring, wherein the plug rod is positioned in the fixing cylinder, the fixing ring is fixedly sleeved on the plug rod, the plug rod is downwards inserted into the jack, the plug rod is sleeved with a spring, and the spring is reserved with compression amount during installation.
As an improvement, the lower scribing ruler corresponds to the scribing part of the upper scribing ruler up and down.
The utility model has the beneficial effects that:
1. The lower part of the bearing plate is provided with an lower scribing ruler, the lower scribing ruler corresponds to the lower step of the working plate, an upper scribing ruler is arranged in the sliding groove in a sliding manner and corresponds to the upper step of the working plate, and the height difference of the upper scribing ruler and the lower scribing ruler can be utilized to correspond to the stepped working plate by arranging the upper scribing ruler and the lower scribing ruler on one bearing plate, so that the upper step and the lower step of the working plate are scribed at the same time, the operation steps are reduced, and only one-time positioning is needed, so that the scribing error of a workpiece is reduced.
2. The lifting structure fixedly connected with the lower scribing ruler is arranged in the groove, the height of the lower scribing ruler can be adjusted according to the step height of the working plate, meanwhile, the exposed length of the upper scribing ruler can be changed through the arrangement of the sliding groove, the upper scribing ruler can be stored when not used, and therefore the carrying of the scribing ruler is convenient.
Drawings
FIG. 1 is a diagram showing the working state of a portable bench mark ruler according to the present utility model.
Fig. 2 is a bottom view of a portable bench mark ruler according to the utility model.
Fig. 3 is a cross-sectional view of a carrier plate of a portable bench mark ruler of the utility model.
Fig. 4 is an enlarged view of a portion of a portable bench mark ruler of the present utility model.
Fig. 5 is a cross-sectional view of a fixed barrel of a portable bench mark ruler of the utility model.
Fig. 6 is a block diagram of an upper rule of the portable bench mark ruler of the present utility model.
1. The device comprises a working plate, a bearing plate, an upper scribing ruler, an lower scribing ruler, a guide groove, a guide block, a guide hole, a guide rod, a sliding groove, a fixing cylinder, a groove, a screw rod, a lifting plate, a lifting cylinder, a lifting rod, a connecting rod, a spring, a lifting rod, a plug rod, a fixing ring, a plug hole, a lifting plate, a lifting cylinder, a lifting rod, a connecting rod, a spring, a plug rod, a fixing ring, a plug hole and a jack.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
According to the utility model, as shown in figures 1-6, the portable bench scribing ruler comprises a stepped working plate 1, wherein a bearing plate 2 is arranged on the working plate 1, an underline ruler 4 is arranged below the bearing plate 2, the underline ruler 4 corresponds to the lower step of the working plate 1, a groove 11 is formed in the bearing plate 2, a lifting structure fixedly connected with the underline ruler 4 is arranged in the groove 11, a horizontal sliding groove 9 is formed in the bearing plate 2, an upper scribing ruler 3 is arranged in the sliding groove 9 in a sliding manner, the upper scribing ruler 3 corresponds to the upper step of the working plate 1, jacks 19 which are horizontally and uniformly distributed are formed in the upper scribing ruler 3, a fixing cylinder 10 is fixedly arranged on the bearing plate 2, and a plug-in structure inserted into the jacks 19 is arranged in the fixing cylinder 10.
By providing the upper scribing ruler 3 and the lower scribing ruler 4 on one carrying plate 2, the height difference of the upper scribing ruler 4 and the lower scribing ruler 4 can be utilized to correspond to the stepped working plate 1, so that the upper step and the lower step of the working plate 1 are scribed at the same time, the operation steps are reduced, only one-time positioning is needed, and the scribing error of a workpiece is reduced.
The lifting structure comprises a lifting plate 13, a lifting cylinder 14 and a connecting rod 15, wherein the lifting plate 13 is arranged in the groove 11 in a sliding mode, the lifting cylinder 14 is fixedly connected below the lifting plate 13, the connecting rod 15 is fixedly connected below the lifting cylinder 14, the connecting rod 15 is fixedly connected with the underline ruler 4, a screw rod 12 is rotationally arranged in the bearing plate 2, and the lifting plate 13 is connected to the screw rod 12 in a threaded mode. The groove 11 is square, the lifting plate 13 is square corresponding to the groove 11, and the lifting plate 13 is attached to the inner wall of the groove 11.
The cooperation of the square groove 11 and the square lifting plate 13 can limit the rotation of the lifting plate 13, so that the rotation of the screw 12 is converted into the movement of the lifting plate 13, and the movement is transmitted to the underline scale 4 through the lifting cylinder 14 and the connecting rod 15.
The bottom of the bearing plate 2 is provided with a guide groove 5, a guide block 6 fixedly connected with the underline ruler 4 is arranged in the guide groove 5, the bottom of the bearing plate 2 is provided with a guide hole 7, and a sliding rod 8 fixedly connected with the underline ruler 4 is arranged in the guide hole 7, so that the effect of guiding the up-and-down sliding of the underline ruler 4 can be achieved.
The plug-in structure comprises a plug rod 17 and a fixed ring 18, wherein the plug rod 17 is positioned in the fixed cylinder 10, the fixed ring 18 is fixedly sleeved on the plug rod 17, the plug rod 17 is downwards inserted into the jack 19, the plug rod 17 is sleeved with a spring 16, and the compression amount of the spring 16 is reserved during installation.
The setting of grafting structure is convenient for take out and accomodate last marking off chi 3, and the spring 16 of reserving the compression simultaneously can continuously produce the clamp force to solid fixed ring 18 to increase the stability that inserted bar 17 inserted jack 19.
The lower scribing ruler 4 corresponds to the scribing part of the upper scribing ruler 3 vertically, and the scribing consistency can be ensured.
Principles of the utility model
When the application is used for scribing the stepped working plate 1, firstly, the position of the lower scribing ruler 4 is adjusted according to the height of the steps, as shown in fig. 2-4, the screw 12 is screwed, and the lower scribing ruler 4 can move up and down under the drive of the lifting structure, so that the height difference between the upper scribing ruler 3 and the lower scribing ruler 4 is adjusted, and the step height of the working plate 1 is suitable. As shown in fig. 1, 5 and 6, the adjusted lower marking rule 4 is placed on the lower step of the working plate 1, the upper marking rule 3 is positioned on the upper step of the working plate 1, the inserting rod 17 is pulled upwards, the inserting rod 17 is separated from the inserting hole 19, the fixing ring 18 compresses the spring 16, the upper marking rule 3 is pulled out of the sliding groove 9, the corresponding inserting hole 19 is aligned with the inserting rod 17 after the length of the upper marking rule 3 exposed from the sliding groove 9 is adjusted, the inserting rod 17 is loosened, and the inserting rod 17 is inserted into the inserting hole 19 under the action of resilience force of the spring 16, so that the upper marking rule 3 is fixed again.
At the moment, the whole scribing ruler is only required to be positioned once, and the scribing pen is utilized to scribe the whole scribing ruler along the lower scribing ruler 4 and the upper scribing ruler 3 in sequence, so that the operation steps are reduced, the secondary positioning is avoided, the scribing error is increased, and the scribing ruler is rapid and convenient. After the use, the upper scribing ruler 3 is retracted into the chute 9, so that the length of the whole scribing ruler is reduced, and the carrying is convenient.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.