CN207593473U - A kind of big frame four sides frame of television set breaks the abrasive band driving device of oxygen wire drawing machine - Google Patents

Abstract

The utility model relates to the field of wire drawing equipment for TV frames, in particular to an abrasive belt driving device for a four-sided frame oxygen-breaking wire drawing machine for a large TV frame. shaft and two movable transmission shafts, pulleys are installed at both ends of all fixed transmission shafts and all movable transmission shafts, the abrasive belt drive motor is fixedly installed on the abrasive belt bracket and connected with one of the fixed transmission shafts, the abrasive belt Two sliding tables capable of adjusting the position along the Y-axis direction are installed on the bracket, and each movable transmission shaft is installed through one sliding table. The utility model can realize the switching of the oxygen-breaking abrasive belt and the wire-drawing abrasive belt on the vertical height, so as to realize the oxygen-breaking operation and the wire-drawing operation on the workpiece at different stages, and the top-tightening cylinder can prevent the abrasive belt from being damaged in any failure. and the product itself. Through the interrupt program, it is guaranteed that the clamping cylinder will be withdrawn immediately at the first time of any failure, so that the abrasive belt is out of contact with the product.

Description

Abrasive belt driving device of a TV frame four-sided frame oxygen breaking wire drawing machine

technical field

The utility model relates to the field of TV frame wire drawing equipment, in particular to an abrasive belt driving device of a TV frame four-sided frame oxygen breaking wire drawing machine.

Background technique

The metal wire drawing process is widely used in the processing of metal casings of mobile phones and metal frames of TV sets. In particular, more and more metal wire drawing processes are used in the frames of large-size TV sets.

Due to the limitations of wire drawing equipment, most of the corners of large-size TV frames on the market currently use right-angle transitions, because the cost of large-size frame processing equipment that can complete the arc transition metal wire drawing process is high, and the equipment can complete a straight line. After the side-drawing operation, transfer to the next adjacent straight-line side-drawing operation to form a uniform metal wire-drawing effect at the arc transition position, that is, the silk patterns at the four corner positions are required to have a high consistency with the straight position. No difference shall prevail.

The research and development cost of the above-mentioned equipment is high, mainly because continuous trajectory interpolation is required, and the entire trajectory execution process is required to be at a constant speed. When drawing the arc corner of the frame, the X and Y axes need extremely high acceleration to cooperate with the rotating motor to achieve three axes. linkage.

Utility model content

The purpose of the utility model is to provide an abrasive belt driving device for a large-frame four-sided frame of a TV set for an oxygen-breaking wire drawing machine aimed at the deficiencies of the prior art.

In order to solve the above problems, the utility model provides the following technical solutions:

An abrasive belt driving device for a four-sided frame of a TV with a large frame, including a lifting frame, an oxygen breaking abrasive belt, a wire drawing abrasive belt and an abrasive belt drive motor, and the lifting frame is provided with an abrasive belt support set in a horizontal state Two fixed transmission shafts and two movable transmission shafts vertically penetrating through the abrasive belt bracket are installed on the abrasive belt bracket. Pulleys are installed at both ends of all fixed transmission shafts and all movable transmission shafts. The vertical plane where the axes of the transmission shafts are located is parallel to the X-axis direction, the vertical planes where the axes of the two movable transmission shafts are located are parallel to the Y-axis direction, and the two movable transmission shafts are arranged between the two fixed transmission shafts at The four pulleys above the abrasive belt bracket form the upper pulley set for installing the oxygen-breaking abrasive belt, and the four pulleys below the abrasive belt bracket form the lower pulley set for installing the drawing abrasive belt. The driving motor is fixedly installed on the abrasive belt bracket and is connected with one of the fixed transmission shafts. The abrasive belt bracket is equipped with two sliding tables capable of adjusting the position along the Y-axis direction. Each movable transmission shaft runs through the on a slide.

Described elevating frame also comprises top plate, screw mandrel, lifting drive motor and guide bar, and guide bar is provided with two, and screw mandrel is vertically arranged between two guide bars, and lift drive motor is connected with screw mandrel transmission.

A clamping cylinder for driving the horizontal movement of the slide table near the workpiece side is installed on the abrasive belt bracket.

Beneficial effects: the abrasive belt driving device of the utility model for a large-frame four-sided frame oxygen-breaking wire drawing machine of the utility model can realize the switching of the oxygen-breaking abrasive belt and the wire-drawing abrasive belt at vertical heights, so as to realize the processing of workpieces at different stages. Oxygen-breaking operation and wire drawing operation, the top-tightening cylinder can prevent the abrasive belt from injuring the product itself in case of any failure. Through the interrupt program, it is guaranteed that the clamping cylinder will be withdrawn immediately when any fault occurs, so that the abrasive belt is out of contact with the product.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is the top view of the utility model;

Fig. 3 is a side view of the utility model;

Fig. 4 to Fig. 15 are the workflow diagrams of the present utility model;

Explanation of reference numerals: main machine platform 1, auxiliary machine platform 2, workpiece clamping jig 3, jig base 4, oxygen-breaking abrasive belt 5, wire drawing abrasive belt 6, abrasive belt drive motor 7, abrasive belt bracket 8, fixed Power transmission shaft 9, movable transmission shaft 10, belt pulley 11, rotating disc 12, compacting block 13, pressing plate 14, top plate 15, guide rod 16, slide too 17, top tight cylinder 18.

Detailed ways

Below in conjunction with accompanying drawing and embodiment of description, the specific embodiment of the utility model is described in further detail:

Referring to Fig. 1 to Fig. 3, the oxygen-breaking wire drawing machine with large frame and four sides of the TV set includes a machine table, a workpiece driving device and an abrasive belt driving device. The machine table includes a main machine 1 and an auxiliary machine 2, and 2 is set on the side of the main machine table 1, the workpiece driving device is set on the main machine table 1, the abrasive belt driving device is set on the auxiliary machine table 2, and the workpiece driving device includes a workpiece clamping jig 3, a jig base 4, and an X-axis Drive mechanism, Y-axis drive mechanism and Z-axis drive mechanism, the jig base 4 is installed on the Y-axis drive mechanism through a slider, driven by the Y-axis drive mechanism, the jig base 4 translates in the Y-axis direction, and the Y-axis drive mechanism is installed on On the X-axis driving mechanism, the X-axis driving mechanism drives the jig base 4 to translate in the X-axis direction. The Z-axis driving mechanism is a Z-axis driving motor fixedly installed at the center of the jig base 4. The output shaft of the Z-axis driving motor It is arranged vertically upwards and fixedly connected with the center of the workpiece clamping fixture 3, and the workpiece clamping fixture 3 is driven to rotate around the Z axis by the Z-axis driving motor. , wire drawing abrasive belt 6 and abrasive belt driving motor 7, the lifting frame is provided with the abrasive belt bracket 8 that is arranged in a horizontal state, and the abrasive belt bracket 8 is equipped with two fixed drive shafts that vertically run through the abrasive belt bracket 8 9 and two movable transmission shafts 10, the two ends of all fixed transmission shafts 9 and all movable transmission shafts 10 are equipped with pulleys 11, the vertical planes where the axes of the two fixed transmission shafts 9 are located are parallel to the X-axis direction, and the two The vertical plane where the axes of the two movable transmission shafts 10 are located is parallel to the Y-axis direction, and the two movable transmission shafts 10 are arranged between the two fixed transmission shafts 9, and the four pulleys 11 positioned above the abrasive belt bracket 8 form a 11 sets of upper pulleys for installing the oxygen-breaking abrasive belt 5, four pulleys 11 located below the abrasive belt bracket 8 form a set of 11 lower pulleys for installing the drawing abrasive belt 6, and the abrasive belt drive motor 7 is fixedly installed On the abrasive belt bracket 8 and connected with one of the fixed transmission shafts 9 transmission.

The center position of the jig base 4 is installed with a rotating disk 12, the rotating disk 12 is provided with a through hole for the output end of the Z-axis drive motor to protrude, and the rotating disk 12 includes an upper disk body and a lower disk body , the lower surface of the upper disc body and the upper surface of the lower disc body are provided with circular grooves, balls are installed in the annular grooves between the upper disc body and the lower disc body, and the upper disc body is connected to the jig base 4 by bolts. Fixedly connected, the center of the workpiece clamping fixture 3 is provided with a through hole for the output end of the Z-axis drive motor to protrude, and the end of the output end of the Z-axis drive motor is detachably installed with a bolt that is connected to the workpiece clamping fixture 3 Connected compression block 13.

The workpiece clamping fixture 3 has a rectangular frame structure, and the upper edge of the workpiece clamping fixture 3 is provided with steps for positioning the rectangular frame to be processed.

A pressure plate 14 for clamping the rectangular frame to be processed is provided on the periphery of the workpiece clamping jig 3 .

Described elevating frame also comprises top plate 15, screw mandrel, lifting drive motor and guide rod 16, and guide rod 16 is provided with two, and two guide rods 16 are vertically arranged on auxiliary machine platform 2, and one end of guide rod 16 is connected with The auxiliary machine 2 is fixedly connected, the other end of the guide rod 16 is fixedly connected with the top plate 15, the screw rod is vertically arranged between the two guide rods 16, and the lifting drive motor is installed on the auxiliary machine 2 and connected with the screw drive .

Two sliding tables 17 capable of adjusting positions along the Y-axis direction are installed on the abrasive belt bracket 8 , and each movable transmission shaft 10 is installed through one sliding table 17 .

A clamping air cylinder 18 for driving the slide table 17 on one side of the main frame 1 to move horizontally is installed on the abrasive belt bracket 8 .

Below with reference to Fig. 4 to Fig. 15, briefly illustrate the wire drawing operation process of the present invention:

Step (1), as shown in Figure 4, the standby position, then when the system receives the automatic start command, first start the abrasive belt and the water pump to run for five seconds.

Step (2), as shown in Figure 5, the system calculates and confirms the sorting position of the abrasive belt, lowers the lifting bracket, starts the oxygen-breaking abrasive belt 5, and performs the first step: approaching the operating position of the abrasive belt.

Step (3), as shown in Figure 6, the X axis goes straight to complete the oxygen breaking on the A side.

Step (4), as shown in Figure 7, polish the first 90-degree arc of the product.

The X-axis and the Y-axis make circular interpolation motion, and the Z-axis is at the intersection of XY. The Z-axis drives the motor to pack the abrasive belt. The working surface always intersects with the arc of the product surface during the circular interpolation process. This process requires the highest speed. . The level of this speed is directly related to the entire frame processing line speed.

Steps, as shown in Figure 8, the X axis goes straight to complete the oxygen breaking on the B side.

In order to ensure a good drawing effect on the surface of the product, there should be no pauses between the tracks. The trajectory transition needs to be as smooth as possible, so that you can enter the second straight edge operation.

Wherein, the tight cylinder 18 can prevent the abrasive belt from injuring the product itself when any failure occurs. Guarantee by interrupting the program that the first time any failure occurs, immediately withdraw from the top-tightening cylinder 18, so that the abrasive belt is separated from the contact of the product.

Steps, as shown in Figure 9, polish the second 90-degree arc of the product.

The X-axis and the Y-axis make circular interpolation motion, and the Z-axis is at the intersection of XY. The Z-axis drives the motor to pack the abrasive belt. The working surface always intersects with the arc of the product surface during the circular interpolation process. This process requires the highest speed. . The level of this speed is directly related to the entire frame processing line speed.

Steps, as shown in Figure 10, the X-axis goes straight to complete the C-plane straight oxygen break.

Steps, as shown in Figure 11, polish the third 90-degree arc of the product.

The X-axis and the Y-axis make circular interpolation motion, and the Z-axis is at the intersection of XY. The Z-axis drives the motor to pack the abrasive belt. The working surface always intersects with the arc of the product surface during the circular interpolation process. This process requires the highest speed. . The level of this speed is directly related to the entire frame processing line speed.

Steps, as shown in Figure 12, the X-axis goes straight to complete the straight oxygen break on the D surface.

Steps, as shown in Figure 13, polish the fourth 90-degree arc of the product.

Steps, as shown in Figure 14, the oxygen breaking operation is completed, and the contact between the abrasive belt and the product is separated.

Step (12), as shown in Figure 15, confirm the sequence of the abrasive belts, raise the abrasive belt bracket 8, change the running speed of the abrasive belts, adjust the near point position of the abrasive belts, and perform wire drawing.

Drawing operation process repeats the process from step 1 to step 12.

After finishing the drawing operation, stop spraying water and return to the standby position. The counter is incremented once to count the cycle time and predict the consumption of the abrasive belt. Prompt to replace the product, proceed to the next operation.

The above is only a preferred embodiment of the present utility model, and does not make any limitation to the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model , all still belong to the scope of the technical solution of the present utility model.

Claims (3)

1. a kind of big frame four sides frame of television set breaks the abrasive band driving device of oxygen wire drawing machine, it is characterised in that：Include lifting Frame, broken oxygen abrasive band (5), wire drawing abrasive band (6) and abrasive band driving motor (7), crane are equipped with the abrasive band for the setting that is horizontal Bracket (8) is equipped with vertical two fixed conveyor axis (9) through abrasive band bracket (8) and two activity biographies on abrasive band bracket (8) The both ends of moving axis (10), all fixed conveyor axis (9) and all movable drive axis (10) are mounted on belt wheel (11), two fixations Perpendicular residing for the axis of transmission shaft (9) is parallel with X-direction, perpendicular residing for the axis of two movable drive axis (10) It is parallel with Y direction, and two movable drive axis (10) are arranged between two fixed conveyor axis (9), positioned at abrasive band bracket (8) four belt wheels (11) above form the upper belt-wheel group to install brokenly oxygen abrasive band (5), below abrasive band bracket (8) Four belt wheels (11) form the lower belt wheel group to install wire drawing abrasive band (6), and abrasive band driving motor (7) is fixedly mounted on abrasive band support It is sequentially connected on frame (8) and with one of fixed conveyor axis (9), there are two can be along Y-axis for installation on the abrasive band bracket (8) Direction adjusts the slide unit (17) of position, and each movable drive axis (10) is installed through on a slide unit (17).

2. the big frame four sides frame of a kind of television set according to claim 1 breaks the abrasive band driving device of oxygen wire drawing machine, It is characterized in that：The crane has further included top plate (15), screw, lifting driving motor and guide rod (16), guide rod (16) There are two settings, and screw lifts driving motor and connect with screw rod transmission in being vertically arranged between two guide rods (16).

3. the big frame four sides frame of a kind of television set according to claim 2 breaks the abrasive band driving device of oxygen wire drawing machine, It is characterized in that：It is equipped with to drive holding out against for slide unit (17) horizontal movement close to workpiece side on the abrasive band bracket (8) Cylinder (18).