CN214684020U

CN214684020U - Weft traction cutting device for screen welding machine

Info

Publication number: CN214684020U
Application number: CN202120221563.9U
Authority: CN
Inventors: 李景洲; 朱朋飞
Original assignee: Anping Wanzhong Silk Screen Product Co ltd
Current assignee: Anping Wanzhong Silk Screen Product Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-11-12
Anticipated expiration: 2031-01-27

Abstract

The utility model provides a weft traction cutting device for a screen welding machine, which comprises a machine table and a welding mechanism, wherein the machine table is provided with the welding mechanism and a control device; the machine table is also provided with a traction mechanism and a cutting mechanism, the traction mechanism and the cutting mechanism are sequentially arranged on the right side of the welding mechanism, and the traction mechanism is provided with two groups, including a traction seat, a screw rod, a positioning plate and a clamping plate; the cutting mechanism comprises a cutting seat, a cutter, a pre-tightening block, a supporting seat and a limiting block, and the control device is electrically connected with the clamping cylinder, the cutting cylinder and the servo motor; by adopting the matching of the two groups of traction mechanisms, after one group of traction mechanisms traction the silk screen, the other group of traction mechanisms continuously traction the silk screen, so that the working efficiency is improved; through adopting the structure that cuts, when cutting to the silk screen, carry out spacing location through pretension piece to the silk screen earlier, make the cut-off knife cut it again, make incision department more level and more smooth.

Description

Weft traction cutting device for screen welding machine

Technical Field

The utility model relates to a screen welding machine technical field specifically is a cutting device is pull to tram for screen welding machine.

Background

When the screen welding machine works, the weft is dragged forwards by the traction mechanism, the welding mechanism is enabled to weld the screen, and then the screen is cut off by the cut-off knife; when the cut-off knife cuts the silk screen, lack spacing location, the silk screen incision department is irregular.

SUMMERY OF THE UTILITY MODEL

In view of the problem that exists among the prior art, the utility model discloses a cutting device is pull to tram for screen welding machine to it is lower to solve current drive mechanism work efficiency, lacks the problem that spacing location incision is irregular when the cut-off knife cuts.

The technical scheme is that the welding machine comprises a machine table and a welding mechanism, wherein the welding mechanism and a control device are arranged on the machine table; the machine table is further provided with a traction mechanism and a cutting mechanism, the traction mechanism and the cutting mechanism are sequentially mounted on the right side of the welding mechanism, the traction mechanism comprises two groups, the traction mechanism comprises a traction seat, a lead screw, a positioning plate and a clamping plate, the lead screw is rotatably connected to the machine table and driven by a servo motor, the traction seat is provided with a threaded hole matched with the lead screw, the bottom of the traction seat is further provided with a sliding groove and is in sliding connection with a sliding rail on the machine table, the traction seat is further provided with the positioning plate and the clamping plate, the positioning plate is provided with a clamping cylinder, and the telescopic end of the clamping cylinder is connected with the clamping plate; the utility model discloses a cutting machine, including cutting seat, cut-off knife, pretension piece, supporting seat and stopper, cut the seat and establish on the board, sliding connection has on cutting the seat pretension piece, pretension piece is the penetrating rectangle casing in both ends, it has still sliding connection in the pretension piece the cut-off knife, the cut-off knife by cut off the cylinder drive, still be equipped with on the cut-off knife the stopper, open the confession on the pretension piece the gliding spout of stopper, the stopper with compress spring has been equipped with in pretension between the piece in advance, it still is equipped with on the seat to cut off the supporting seat, set up flutedly on the supporting seat, and with the cut-off knife position is corresponding, controlling means with die clamping cylinder the aforesaid cut off the cylinder with servo motor electric connection.

As a preferred technical scheme of the utility model, drive mechanism is equipped with two sets ofly, and the symmetry sets up the board both sides, and is a set of the clamp plate is located locating plate top, another group the clamp plate is located the locating plate below, it is two sets of the locating plate dislocation set and with last output position of welding mechanism is corresponding.

As a preferred technical scheme of the utility model, controlling means includes microprocessor and motor converter, the motor converter with servo motor electric connection, microprocessor with the motor converter die clamping cylinder with state and cut cylinder electric connection.

The utility model has the advantages that: by adopting the matching of the two groups of traction mechanisms, after one group of traction mechanisms traction the silk screen, the other group of traction mechanisms continue to traction the silk screen, thereby improving the working efficiency; through adopting the cutting mechanism, when cutting the silk screen, carry out spacing location to the silk screen through the pretension piece earlier, make the cut-off knife cut it again, make incision department more level and more smooth.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the traction mechanism of the present invention;

fig. 3 is a side view of the traction mechanism of the present invention;

fig. 4 is a schematic view of the cutting mechanism of the present invention.

In the figure: 1-machine table, 2-welding mechanism, 3-traction seat, 4-cutting seat, 5-lead screw, 6-servo motor, 7-positioning plate, 8-clamping plate, 9-cutter, 10-pre-tightening block, 11-supporting seat, 12-limiting block and 13-compression spring.

Detailed Description

Example 1

As shown in fig. 1 to 4, the utility model discloses a weft drawing and cutting device for a screen welding machine, which adopts the technical scheme that the weft drawing and cutting device comprises a machine table 1 and a welding mechanism 2, wherein the machine table 1 is provided with the welding mechanism 2 and a control device; the machine table 1 is further provided with a traction mechanism and a cutting mechanism, the traction mechanism and the cutting mechanism are sequentially mounted on the right side of the welding mechanism 2, the traction mechanism is provided with two groups, the traction mechanism comprises a traction seat 3, a lead screw 5, a positioning plate 7 and a clamping plate 8, the lead screw 5 is rotatably connected to the machine table 1 and driven by a servo motor 6, the traction seat 3 is provided with a threaded hole matched with the lead screw 5, the bottom of the traction seat 3 is also provided with a sliding groove and is in sliding connection with a sliding rail on the machine table 1, the traction seat 3 is also provided with the positioning plate 7 and the clamping plate 8, the positioning plate 7 is provided with a clamping cylinder, and the telescopic end of the clamping cylinder is connected with the clamping plate 8; the cutting mechanism comprises a cutting seat 4, a cutting knife 9, a pre-tightening block 10, a supporting seat 11 and a limiting block 12, the cutting seat 4 is arranged on the machine table 1, the pre-tightening block 10 is connected on the cutting seat 4 in a sliding way, the pre-tightening block 10 is a rectangular shell with two through ends, the cut-off knife 9 is connected in the pre-tightening block 10 in a sliding way, the cutting knife 9 is driven by the cutting cylinder, the cutting knife 9 is also provided with the limiting block 12, a sliding groove for the limiting block 12 to slide is formed on the pre-tightening block 10, a compression spring 13 is pressed between the limiting block 12 and the pre-tightening block 10, the cutting seat 4 is also provided with the supporting seat 11, the supporting seat 11 is provided with a groove, and the position of the control device corresponds to that of the cut-off knife 9, and the control device is electrically connected with the clamping cylinder, the cutting cylinder and the servo motor 6.

As a preferred technical scheme of the utility model, drive mechanism is equipped with two sets ofly, and the symmetry sets up 1 both sides of board, and is a set of pinch-off blades 8 are located 7 tops of locating plate, another group pinch-off blades 8 are located 7 below of locating plate, it is two sets of 7 dislocation sets of locating plate and with output position on the welding mechanism 2 is corresponding.

As a preferred technical scheme of the utility model, controlling means includes microprocessor and motor converter, the motor converter with 6 electric connection of servo motor, microprocessor with the motor converter pinch cylinder with state and cut cylinder electric connection.

The utility model discloses a theory of operation: when the device is used, the servo motor 6 is controlled by the control device to rotate forwards to drive the screw 5 to rotate, the traction seats 3 on one group of traction mechanisms are driven to slide to the welding mechanism 2 on the slide rail of the machine table 1, after the welding structure 2 is reached, the clamping cylinder is controlled to work to drive the clamping plate 8 to move to the positioning plate 7, the silk screen is clamped, the servo motor 6 is controlled to rotate backwards to drive the traction seats 3 to move to the cutting mechanism, and at the moment, the other group of traction mechanisms are controlled by the control device to move to the welding mechanism 2; the cutting cylinder is controlled to work, the cutter 9 is driven to move downwards, the pre-tightening block 10 is driven to move downwards to press the silk screen onto the supporting seat 11, the cutting cylinder is controlled to work continuously, the cutter 9 is driven to move downwards continuously, the limiting block 12 slides in the sliding groove in the pre-tightening block 10, the compression spring 13 is extruded, the silk screen is cut off by the cutter 9, and cutting of the silk screen is completed.

In addition, the motor frequency converter adopts RMSPD series frequency converters, is a commercially available product, and belongs to the prior art; the microprocessor adopts STM32 chip for starting and stopping the motor, and STM32 pins and connection mode can be referred to textbooks or technical manuals published by manufacturers to obtain technical advices.

The circuit connection of the present invention is a conventional method adopted by those skilled in the art, and can be suggested by limited tests, which belongs to the common knowledge.

Components not described in detail herein are prior art.

Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge range of those skilled in the art, and modifications or variations without creative efforts are still within the scope of the present invention.

Claims

1. A weft traction cutting device for a screen welding machine comprises a machine table (1) and a welding mechanism (2), wherein the welding mechanism (2) and a control device are arranged on the machine table (1); the method is characterized in that: the machine table (1) is further provided with a traction mechanism and a cutting mechanism, the traction mechanism and the cutting mechanism are sequentially mounted on the right side of the welding mechanism (2), the traction mechanism is provided with two groups and comprises a traction seat (3), a lead screw (5), a positioning plate (7) and a clamping plate (8), the lead screw (5) is rotatably connected to the machine table (1) and driven by a servo motor (6), the traction seat (3) is provided with a threaded hole matched with the lead screw (5), the bottom of the traction seat (3) is further provided with a sliding groove and is in sliding connection with a sliding rail on the machine table (1), the traction seat (3) is further provided with the positioning plate (7) and the clamping plate (8), the positioning plate (7) is provided with a clamping cylinder, and the telescopic end of the clamping cylinder is connected with the clamping plate (8); the cutting mechanism comprises a cutting seat (4), a cutter (9), a pre-tightening block (10), a supporting seat (11) and a limiting block (12), the cutting seat (4) is arranged on the machine table (1), the cutting seat (4) is connected with the pre-tightening block (10) in a sliding manner, the pre-tightening block (10) is a rectangular shell with two through ends, the cutter (9) is connected in the pre-tightening block (10) in a sliding manner, the cutter (9) is driven by a cutting cylinder, the limiting block (12) is arranged on the cutter (9), a sliding chute for the limiting block (12) to slide is formed in the pre-tightening block (10), a compression spring (13) is arranged between the limiting block (12) and the pre-tightening block (10) in a pressing manner, the supporting seat (11) is arranged on the cutting seat (4), a groove is formed in the supporting seat (11), and the position of the supporting seat corresponds to that of the cutter (9), the control device is electrically connected with the clamping cylinder, the cutting cylinder and the servo motor (6).

2. The weft traction cutting device for the screen welding machine according to claim 1, characterized in that: traction mechanism is equipped with two sets ofly, and the symmetry sets up board (1) both sides, and is a set of pinch-off blades (8) are located locating plate (7) top, another group pinch-off blades (8) are located locating plate (7) below, two sets of locating plate (7) dislocation set and with output position on welding mechanism (2) is corresponding.

3. The weft traction cutting device for the screen welding machine according to claim 1, characterized in that: the control device comprises a microprocessor and a motor frequency converter, the motor frequency converter is electrically connected with the servo motor (6), and the microprocessor is electrically connected with the motor frequency converter, the clamping cylinder and the cutting cylinder.