Column type automatic tool changing device

Abstract

The utility model belongs to the technical field of automobile part machining equipment, and provides a column type automatic tool changing device which is used in cooperation with a robot and comprises a tool rest fixing plate, a plurality of containing grooves are formed in the transverse direction of the tool rest fixing plate, tools to be replaced are located on the containing grooves, one side of the tool rest fixing plate is connected with a floating tool rest assembly, and the other side of the tool rest fixing plate is connected with a lifting device. The floating tool rest assembly can drive the tool rest fixing plate to float in the tool taking direction in an over-stroke pressing mode, and the material taking precision of the robot in the tool taking direction is improved. The automatic tool changing device has the advantages that floating type changing is adopted, the material taking precision of the robot in the tool taking direction can be improved, the whole automatic tool changing device is simple in structure, simple in tool changing action, easy to control, low in failure rate and high in tool changing speed, and due to the array type, the number of tools can be arranged is large, so that continuous productivity matched with the robot is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile parts processing equipment, and particularly relates to a column-type automatic tool changing device. Background Art

[0002] In the process of removing burrs from automotive parts, tools are usually needed. At the same time, the tools will wear out during use, so the processing tools need to be replaced according to the needs of use. The existing methods generally require manual tool change or the tool changer is generally complex in structure and cannot change tools quickly. Since a long time is wasted in tool change, the production progress is also delayed. In addition, the existing tool changer is difficult to coordinate with the automated manipulator, which affects the production process. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a column type automatic tool changing device with simple structure, simple tool changing action, easy control, low failure rate and fast tool changing speed in view of the current status of the existing technology.

[0004] The technical solution adopted by the present invention to solve the above-mentioned technical problems is as follows: This patent provides a column-type automatic tool changing device for use in conjunction with a robot, which is characterized in that it includes a tool holder fixing plate, and a plurality of placement slots are provided in the transverse direction of the tool holder fixing plate, and the tools to be replaced are located on the placement slots. A floating tool holder assembly is connected to one side of the tool holder fixing plate, and the floating tool holder assembly can drive the tool holder fixing plate to float in the tool picking direction and press into the overtravel and improve the material picking accuracy of the robot in the tool picking direction.

[0005] In the above-mentioned in-line automatic tool changing device, the floating tool holder assembly includes a floating cylinder, a floating plate, a lower plate, a floating guide rail and a fixed head. The floating guide rail is installed on the lower plate, the fixed head is fixed on the lower plate, both sides of the floating plate are sleeved on the floating guide rails, one end of the floating cylinder is connected to the floating plate, and the other end is connected to the fixed head. The floating cylinder is connected to the pressure regulating valve and the cylinder output force is adjustable.

[0006] In the above-mentioned in-line automatic tool changing device, a buffer limit stopper is provided on the lower plate, and a limit head is provided at the lower portion of the floating plate, and the limit head can be stopped on the buffer limit stopper.

[0007] In the above-mentioned in-line automatic tool changing device, the placement slot is divided into a front card slot and a rear card slot, and the front card slot and the rear card slot are arranged in the same row.

[0008] In the above-mentioned in-line automatic tool changing device, a lifting dust cover is provided at the front of the tool holder fixing plate.

[0009] In the above-mentioned in-line automatic tool changing device, an induction switch is installed at the work station corresponding to each placement slot.

[0010] In the above-mentioned in-line automatic tool changing device, the tool includes an electric spindle, a floating spindle, a blade, a collet and a brush. The blade is installed on the floating spindle, the floating spindle is installed at one end of the electric spindle, the collet is installed at the other end of the floating spindle, and the brush is installed on the head of the collet.

[0011] Compared with the existing technology, the advantages of the present invention are that it adopts floating replacement, which can improve the material picking accuracy of the robot in the tool picking direction. The entire automatic tool changing device has a simple structure, simple tool changing action, easy control, low failure rate, and fast tool changing speed. Because it is an array type, a large number of tools can be set, so that continuous production in cooperation with the robot can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the overall structure of a column-type automatic tool changing device;

[0013] Figure 2 It is a schematic diagram of the structure of the tool. DETAILED DESCRIPTION

[0014] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0015] In the figure, there are a tool holder fixing plate 100; a placement slot 200; an induction switch 300; a front card slot 400; a rear card slot 500; a lifting dust cover 600; a floating tool holder assembly 700; a floating cylinder 701; a floating plate 702; a lower plate 703; a floating guide rail 704; a fixed head 705; a limit head 706; a buffer limit stop 800; an electric spindle 900; a floating spindle 1000; a blade 1001; a collet chuck 1002; a brush 1003; and a tool 1004.

[0016] like Figure 1 and Figure 2As shown, this column type automatic tool changing device is used in conjunction with a robot and includes a tool holder fixing plate 100. A plurality of placement slots 200 are provided in the transverse direction of the tool holder fixing plate 100. The tool 1004 to be replaced is located on the placement slot 200. This patent is mainly equipped with six stations, which can realize the setting of a large number of tools 1004, so that continuous production in conjunction with the robot can be achieved. As an optimization, an induction switch 300 is installed at the station corresponding to each placement slot 200, so that the induction switch 300 can monitor the usage of the tool 1004. In order to stably position the tool 1004 and ensure the stability of subsequent tool change, the placement slot 200 is divided into a front card slot 400 and a rear card slot 500. The front card slot 400 and the rear card slot 500 are arranged in the same row. A lifting dust cover 600 is provided in the front of the tool holder fixing plate 100, so that the lifting dust cover 600 can prevent dust from entering the tool 1004. At the same time, when the lifting dust cover 600 is opened, the entire tool holder fixing plate 100 is extended to facilitate tool change.

[0017] One side of the tool holder fixing plate 100 is connected to a floating tool holder assembly 700. The floating tool holder assembly 700 can drive the tool holder fixing plate 100 to float in the tool picking direction and press into the overtravel and improve the material picking accuracy of the robot in the tool picking direction. Specifically, the floating tool holder assembly 700 includes a floating cylinder 701, a floating plate 702, a lower plate 703, a floating guide rail 704 and a fixed head 705. The floating guide rail 704 is installed on the lower plate 703, and the fixed head 705 is fixed on the lower plate 703. Both sides of the floating plate 702 are sleeved on the floating guide rail 704. One end of the floating cylinder 701 is connected to the floating plate 702, and the other end is connected to the fixed head 705. The floating cylinder 701 is connected to the pressure regulating valve and the cylinder output force is adjustable. As a further optimization, in order to ensure the direction of movement of the floating plate 702, a buffer limit stopper 800 is provided on the lower plate 703. , the lower part of the floating plate 702 is provided with a limit head 706, and the limit head 706 can be blocked on the buffer limit stop head 800. In order to improve the working efficiency of the tool 1004, the tool 1004 of this patent has a double-head working mode. The tool 1004 includes an electric spindle 900, a floating spindle 1000, a blade 1001, a collet 1002 and a brush 1003. The blade 1001 is installed on the floating spindle 1000, and the floating spindle 1000 is installed at one end of the electric spindle 900. The collet 1002 is installed at the other end of the floating spindle 1000. The head of the collet 1002 is installed with a brush 1003. The smaller blade 1001 removes corner areas that are inconvenient to clean, and the brush 1003 can remove burrs in flat areas. The entire automatic tool changing device has a simple structure, simple tool changing action, easy control, low failure rate and fast tool changing speed.

[0018] The specific embodiments described in this article are merely examples of the spirit of the present invention. Technicians in the technical field to which the present invention belongs can make various modifications to the described specific embodiments or replace them with similar methods, but they will not deviate from the scope defined by the spirit of the present invention.

Claims

1. A column type automatic tool changing device, used in conjunction with a robot, characterized in that: It includes a tool holder fixing plate, and a plurality of placement slots are opened in the transverse direction of the tool holder fixing plate. The tool to be replaced is located on the placement slot. One side of the tool holder fixing plate is connected to a floating tool holder assembly. The floating tool holder assembly can drive the tool holder fixing plate to float in the tool picking direction to press into the overtravel and improve the material picking accuracy of the robot in the tool picking direction; the floating tool holder assembly includes a floating cylinder, a floating plate, a lower plate, a floating guide rail and a fixed head. The floating guide rail is installed on the lower plate, and the fixed head is fixed on the lower plate. Both sides of the floating plate are sleeved on the floating guide rails. One end of the floating cylinder is connected to the floating plate, and the other end is connected to the fixed head. The floating cylinder is connected to the pressure regulating valve and the cylinder output force is adjustable.

2. The in-line automatic tool changing device according to claim 1, characterized in that: The lower plate is provided with a buffer limit stopper, and the lower part of the floating plate is provided with a limit head, and the limit head can be stopped on the buffer limit stopper.

3. The in-line automatic tool changing device according to claim 2, characterized in that: The placement slot is divided into a front card slot and a rear card slot, and the front card slot and the rear card slot are arranged in the same row.

4. The in-line automatic tool changing device according to claim 3, characterized in that: A lifting dust cover is provided at the front of the tool holder fixing plate.

5. The in-line automatic tool changing device according to claim 4, characterized in that: An induction switch is installed at the work station corresponding to each placement slot.

6. The in-line automatic tool changing device according to claim 5, characterized in that: The tool includes an electric spindle, a floating spindle, a blade, a collet and a brush. The blade is installed on the floating spindle, the floating spindle is installed at one end of the electric spindle, the collet is installed at the other end of the floating spindle, and the brush is installed on the head of the collet.

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