CN211464389U - Positioning device for bending machine - Google Patents

Abstract

The utility model provides a positioner for bending machine, including the R axle bed that has the spout, run through R axle bed and rather than the cooperation be connected R axle lead screw, with crossbeam connecting plate, the drive that the R axle lead screw is connected R axle lead screw rotates and makes the crossbeam connecting plate carries out elevating movement's drive arrangement, connect in the linear guide of R axle bed spout department, locate in the spout and with linear guide sliding connection's square guide arm, the one end of square guide arm with the crossbeam connecting plate is connected. The electro-hydraulic synchronous numerical control bending machine provided by the utility model adopts the guide device with the structure of matching the linear guide rail and the square guide rod, thereby ensuring the uniformity of R-axis stress and the accuracy of guide, and further ensuring the accuracy of positioning; meanwhile, the linear guide rail has strong impact resistance and long service life.

Description

Positioning device for bending machine

Technical Field

The utility model relates to a bender technical field, in particular to positioner for bender.

Background

The bending machine is a mechanical device commonly used by mechanical device manufacturing enterprises, is mainly used for machining sheet metal parts, and has higher and higher requirements on the bending machine along with higher and higher requirements on machining precision.

When a plate is machined by the bending machine, the feeding size of the plate to be machined needs to be accurately positioned, so that a rear positioning device is generally installed at the rear part of a machine tool of the bending machine. In the prior art, the rear positioning device comprises an X-axis positioning device, an R-axis positioning device, a beam device and a stop finger moving left and right along the beam, the X-axis positioning device and the R-axis positioning device respectively drive the stop finger to move in the front-back direction and move vertically, and the stop finger is enabled to accurately position the position of a workpiece to be processed through a plurality of positioning devices. However, in the prior art, the R-axis positioning device adopts the circular guide rod and the gear transmission rack guide device for guiding, the positioning precision cannot be achieved due to the gap of gear transmission, the abrasion gap can occur after the structure of the guide rod and the copper sleeve runs for a long time, the quality of a bent product cannot be ensured, and the copper sleeve is not impact-resistant and is easy to damage.

In view of the above, it is necessary to provide a new positioning device to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a positioning device for a bending machine, which adopts a guide device with a linear guide rail and square guide rod matching structure, thereby ensuring the uniformity of R-axis stress and the accuracy of guide, and further ensuring the accuracy of positioning; meanwhile, the linear guide rail has strong impact resistance and long service life.

In order to solve the above problem, the technical scheme of the utility model is as follows:

the utility model provides a positioner for bending machine, including the R axle bed that has the spout, run through the R axle bed and rather than the cooperation be connected R axle lead screw, with the crossbeam connecting plate that the R axle lead screw is connected, drive the R axle lead screw rotates the drive arrangement who makes the crossbeam connecting plate carry out elevating movement, connect in the linear guide of R axle bed spout department, locate in the spout and with linear guide sliding connection's square guide arm, the one end of square guide arm with the crossbeam connecting plate is connected.

Further, still include with the crossbeam regulating plate that the crossbeam connecting plate is connected, the crossbeam regulating plate with the crossbeam connecting plate sets up perpendicularly, the crossbeam regulating plate passes through adjusting bolt and adjusts the crossbeam position and not squint.

Furthermore, the automobile chassis further comprises an upper cushion pad which is fixed on the R-axis screw rod and is positioned between the beam connecting plate and the R-axis seat.

Furthermore, the device also comprises a limiting part connected with the bottom of the square guide rod, and a lower cushion pad arranged on the limiting part and positioned below the R shaft seat.

Furthermore, the limiting part comprises a bottom plate and a side plate bent and extended from one side of the bottom plate, the lower cushion pad is arranged on the bottom plate, and the R shaft seat is located on the inner side of the side plate.

Furthermore, the R shaft seat is integrally square.

Furthermore, the protective cover is connected with the R shaft seat.

Compared with the prior art, the utility model provides a positioner for bending machine, beneficial effect lies in:

the positioning device for the bending machine is used for positioning the R shaft in the rear positioning device of the bending machine, adopts the guide device with a structure of matching a linear guide rail and a square guide rod, and increases the contact area of the linear guide rail and the square guide rod in the guide device compared with the prior art, thereby ensuring the stress uniformity and the guide accuracy of the R shaft and further ensuring the positioning accuracy; meanwhile, the linear guide rail has strong impact resistance and long service life. The positioning device for the bending machine is provided with the beam adjusting plate, the beam adjusting plate adjusts the position of the beam through the adjusting bolt without deviation, and the stability of an R shaft is ensured; the whole R axle bed is square, has increased the intensity of R axle bed, compares with the R axle bed structure that is "7" font among the prior art, can prevent the deformation condition because of the crossbeam weight is heavier and arouses, has further guaranteed R axle positioning accuracy.

Thirdly, the utility model discloses a positioner for bending machine is still including the last blotter that is located between crossbeam connecting plate and the R axle bed, the spacing portion of being connected bottom the square guide arm, locate spacing portion and be located the lower blotter of R axle bed below, has further improved R axle positioner's stability.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a positioning device for a bending machine according to the present invention;

FIG. 2 is a schematic view of an alternate angle of the positioning device for the bending machine of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the positioning device of FIG. 1 taken along line A-A;

fig. 4 is a schematic structural view of an R-axis seat in the positioning device for a bending machine shown in fig. 1.

Detailed Description

In order to make the technical solution in the embodiments of the present invention better understood and make the above objects, features and advantages of the present invention more obvious and understandable, the following description of the embodiments of the present invention is provided with reference to the accompanying drawings.

It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Please refer to fig. 1 to fig. 4, wherein fig. 1 is a schematic structural diagram of a positioning device for a bending machine according to the present invention; FIG. 2 is a schematic view of an alternate angle of the positioning device for the bending machine of FIG. 1; FIG. 3 is a schematic cross-sectional view of the positioning device of FIG. 1 taken along line A-A; fig. 4 is a schematic structural view of an R-axis seat in the positioning device for a bending machine shown in fig. 1. The utility model discloses a positioner 100 for bending machine is including the R axle bed 2 that has spout 1, run through R axle bed 2 and rather than the R axle lead screw 3 that the cooperation is connected, the crossbeam connecting plate 4 of being connected with R axle lead screw 3, 3 rotations of drive R axle lead screw make crossbeam connecting plate 4 carry out elevating movement's drive arrangement 5, connect in the linear guide 6 of 2 spouts of R axle bed 1 department, locate in spout 1 and with 6 sliding connection's of linear guide 7, the protection casing 11 of being connected with R axle bed 2, the one end and the crossbeam connecting plate 4 of square guide 7 are connected. Wherein the R shaft seat 2 is connected with the X shaft positioning device, and the beam connecting plate 4 is used for connecting a beam; the driving device 5 is a servo motor, and only a synchronous belt wheel connected with an output shaft of the servo motor is shown in the drawing; the shield 11 serves to protect other components from impact and dust contamination.

In the utility model, the positioning device 100 for the bending machine adopts the guiding device with the structure that the linear guide rail 6 and the square guide rod 7 are matched, and the contact area between the linear guide rail 6 and the square guide rod 7 in the guiding device is increased compared with the prior art, thereby ensuring the stress uniformity of the R shaft and the guiding accuracy, and further ensuring the positioning accuracy; meanwhile, the linear guide rail has strong impact resistance and long service life.

In order to optimize positioner's stability, preferably, the utility model discloses well positioner 100 for bender still includes the crossbeam regulating plate 8 of being connected with crossbeam connecting plate 4, and crossbeam regulating plate 8 sets up with crossbeam connecting plate 4 is perpendicular, through adjusting bolt adjusting beam and crossbeam connecting plate 4's position relation, makes the crossbeam position not squint, guarantees the stability of R axle.

Further preferably, the whole R shaft seat 2 is square and square, the strength of the R shaft seat is increased, and compared with a 7-shaped R shaft seat structure in the prior art, the R shaft seat structure can prevent deformation caused by heavy weight of the cross beam, and further ensures the positioning accuracy of the R shaft.

Furthermore, the positioning device 100 for a bending machine further comprises an upper cushion pad 9a located between the beam connecting plate 4 and the R-axis seat 2, a limiting portion 10 connected with the bottom of the square guide rod 7, and a lower cushion pad 9b arranged on the limiting portion 10 and located below the R-axis seat 2, so that the stability of the R-axis positioning device is further improved. The upper cushion pad 9a is used for providing a buffering acting force when the beam connecting plate 4 is contacted with the R-axis seat 2 in the descending process; the limiting part 10 is used for limiting the maximum stroke of the guide rod 7, the maximum lifting stroke of the guide rod is the bottom of the guide rod is flush with the R shaft seat 2, and the lower buffer pad 9b is used for providing buffer acting force when the limiting part 10 is in contact with the R shaft seat 2.

In this embodiment, the limiting portion 10 includes a bottom plate 101 and a side plate 102 bent and extended from one side of the bottom plate 101, the lower cushion pad 9b is disposed on the bottom plate 101, and the R-axis seat 2 is located inside the side plate 102.

The utility model discloses a positioner for bending machine, the theory of operation is: the driving device 5 drives the R-axis screw rod 3 to rotate, so that the beam connecting plate 4 generates lifting motion, and the beam connected with the beam connecting plate 4 is driven to generate lifting motion. One end of the square guide rod 7 is connected with the beam connecting plate 4, so that the lifting movement of the beam connecting plate 4 is guided.

The positioning device for the bending machine adopts the guide device with the structure that the linear guide rail and the square guide rod are matched, and the contact area between the linear guide rail and the square guide rod in the guide device is increased compared with the prior art, so that the uniformity of R-axis stress and the accuracy of guiding are ensured, and the positioning accuracy is further ensured; meanwhile, the linear guide rail has strong impact resistance and long service life.

The embodiments of the present invention are described in detail with reference to the drawings, but the present invention is not limited to the described embodiments. Various changes, modifications, substitutions and alterations to these embodiments will occur to those skilled in the art without departing from the spirit and scope of the present invention.

Claims (7)

1. The utility model provides a positioner for bending machine, its characterized in that, including the R axle bed that has the spout, run through the R axle bed and rather than the cooperation be connected R axle lead screw, with the crossbeam connecting plate that the R axle lead screw is connected, drive the R axle lead screw rotates the drive arrangement who makes the crossbeam connecting plate carry out elevating movement, connect in the linear guide of R axle bed spout department, locate in the spout and with linear guide sliding connection's square guide arm, the one end of square guide arm with the crossbeam connecting plate is connected.

2. The positioning device for the bending machine according to claim 1, further comprising a beam adjusting plate connected to the beam connecting plate, the beam adjusting plate being disposed perpendicular to the beam connecting plate, the beam adjusting plate adjusting the beam position by an adjusting bolt without deviation.

3. The positioning device for a bending machine according to claim 1, further comprising an upper cushion pad fixed to the R-axis lead screw and located between the beam connection plate and the R-axis seat.

4. The positioning device for a bending machine according to claim 3, further comprising a limiting portion connected to the bottom of the square guide rod, and a lower cushion pad disposed on the limiting portion and below the R-axis seat.

5. The positioning device for bending machine according to claim 4, wherein said limiting portion comprises a bottom plate and a side plate extending from one side of the bottom plate, said lower cushion pad is disposed on the bottom plate, and said R-axis seat is located inside said side plate.

6. The positioning device for bending machines of any one of claims 1-5, wherein said R-axis seat is generally square.

7. The positioning device for bending machines according to any one of claims 1 to 5, further comprising a shield coupled to said R-axis seat.

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