Cam-controlled automatic feed device

Abstract

The utility model relates to a cam tool -feed related technical field discloses a cam tool -feed formula automatic control device, including fixed seat and tool rest, cam drive assembly sets up in the middle part of fixed seat, the cam drive assembly includes the frequency conversion motor of fixed mounting in the rear end of fixed seat, the cam body of fixed connection in the output end of fixed seat and the movable frame of setting in the outside of cam body, the inside of movable frame is pasted with the side away from the frequency conversion motor output end of cam body, adjustment component is used for adjusting the interval size between movable frame and tool rest, namely the extension length of tool is adjusted. The cam tool -feed formula automatic control device, can stably drive the tool to move through the cam drive assembly, can adjust the extension length of tool according to the processing demand through the setting of adjustment component, still can carry out stable location after adjusting in combination with the setting of locking piece.

Description

Technical Field

[0001] This utility model relates to the technical field of cam-feeding technology, specifically a cam-feeding automatic control device. Background Technology

[0002] A cam is a component with a curved profile or a groove. Cam-driven tooling refers to a mechanical device that drives an actuator, such as a tool holder, to move along a preset trajectory, thereby realizing tooling and automatic cycling of multiple processes to achieve cutting and machining of the workpiece. As disclosed in CN203076989U, a magnetic cam feed mechanism includes a cam groove, a rocker roller, a sector gear, and a transmission rack. The cam groove surface is provided with magnetic material I, and the rocker roller is made of magnetic material II. The cam groove surface and the rocker roller have the same polarity. During operation, they exert a repulsive force, reducing the pressure within the roller and the cam groove, and even creating a gap to achieve non-contact transmission. The sector gear and transmission rack are also made of magnetic material II and have the same polarity, generating a weak and appropriate force between them, reducing friction between the gear and rack. This reduces friction within the cam and gear mechanisms, significantly reducing the consumption of vulnerable parts, reducing energy consumption by more than 40%, improving mechanical efficiency, and adapting to the trend of low-carbon and energy-saving development. However, existing technologies often employ cylinder-driven or screw-driven methods for tool feed control, resulting in high maintenance costs and poor adaptability. Furthermore, the tool feed stroke and tool position of traditional tool feed devices are mostly fixed, making it inconvenient to adjust the tool extension length according to actual machining requirements. Therefore, this utility model provides a cam-driven automatic control device to solve the problems mentioned above. Utility Model Content

[0003] The purpose of this utility model is to provide a cam-driven automatic control device to solve the problems mentioned in the background art, which mostly use cylinder drive or screw transmission for tool movement control, resulting in high maintenance costs and poor adaptability. At the same time, the tool movement stroke and tool position of traditional tool movement devices are mostly fixed, making it inconvenient to adjust the tool extension length according to actual processing needs.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a cam-driven automatic control device, comprising a fixed base and a tool holder; Also includes: A cam drive assembly is disposed in the middle of the fixed base. The cam drive assembly includes a variable frequency motor fixedly installed at the rear end of the fixed base, a cam body fixedly connected to the output end of the fixed base, and a movable frame sleeved on the outside of the cam body. The side of the cam body furthest from the output end of the variable frequency motor is fitted into the inner side of the movable frame; An adjustment component is located at the lower end of the movable frame. The adjustment component is used to adjust the distance between the movable frame and the tool holder, that is, to adjust the extension length of the tool.

[0005] Preferably, the fixed base is fixedly installed at a corresponding position on the external machine tool, a control module is provided on the top of the fixed base, the control module is electrically connected to the variable frequency motor, and a transparent protective cover is fixedly connected to the front side of the fixed base, and the transparent protective cover is placed on the outside of the cam drive assembly.

[0006] Preferably, the variable frequency motor drives the cam body to rotate in the middle of the movable frame, and the cam body drives the movable frame to move up and down reciprocally in front of the fixed seat. The movable frame is provided with first guide components on both the left and right sides.

[0007] Preferably, the first guide component includes movable blocks fixed to the left and right sides of the movable frame and a first vertical rail fixed to the left and right ends of the front side of the fixed base; The first vertical rail passes through the movable block, and the movable block and the first vertical rail form an up-and-down sliding structure.

[0008] Preferably, the adjustment assembly includes nested adjustment cylinders and adjustment brackets, with a tool holder fixedly connected to the bottom of the adjustment bracket, and the tool holder is used to install machining tools.

[0009] Preferably, the adjusting cylinder is fixed at the lower end of the movable frame, the adjusting bracket and the adjusting cylinder form an up-and-down sliding structure, and a second guide component is provided on the outer side of the adjusting cylinder.

[0010] Preferably, the second guide assembly includes a second vertical rail fixed to the outside of the adjusting cylinder and a positioning block fixed to the front side of the lower end of the fixed base, wherein the second vertical rail and the positioning block form an up-and-down sliding structure.

[0011] Preferably, the side of the adjusting cylinder away from the positioning block has several fixing holes at equal intervals, and the adjusting cylinder and the adjusting bracket are fixed by a locking member set on the upper end of the adjusting bracket.

[0012] Preferably, the locking component includes a locking rod fixed to the front side of the upper end of the adjusting bracket, a locking plate sleeved on the outside of the locking rod, and a locking cap threaded onto the locking rod; The locking cap and the locking plate are tightly fitted together.

[0013] Preferably, the locking rod is disposed through the locking rod, and the side of the locking plate is provided with a protrusion for positioning, the protrusion being inserted into the corresponding fixing hole.

[0014] Compared with the prior art, the beneficial effects of this utility model are: the cam-driven automatic control device can stably drive the tool to move through the cam drive assembly. Combined with the setting of the first guide assembly and the second guide assembly, it can improve the stability during the movement process and avoid deviation during long-term use. By adjusting the setting of the adjustment assembly, the distance between the tool holder and the movable frame can be adjusted, thereby adjusting the extension length of the tool according to the processing requirements. Combined with the setting of the locking part, it can also be stably limited after adjustment. 1. A cam drive assembly is provided, which includes a variable frequency motor, a cam body, and a movable frame. By setting up the cam drive assembly, the tool holder connected to the tool can be stably driven to move. 2. A first guide component and a second guide component are provided. The first guide component includes a movable block and a first vertical rail, and the second guide component includes a second vertical rail and a positioning block. By setting the guide components, the stability of the tool during tool exit is improved. 3. It is equipped with an adjustment component and a locking key. The adjustment component includes an adjustment cylinder and an adjustment bracket. By setting the adjustment component, the extension length of the tool can be adjusted according to the processing requirements, and the adjustment cylinder and the adjustment bracket can be locked and limited after the adjustment is completed. Attached Figure Description

[0015] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings: Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the structure of this utility model from below; Figure 3 This is a schematic diagram of the overall structure of the cam drive assembly and the first guide assembly of this utility model; Figure 4 This utility model Figure 1 Enlarged structural diagram at point A in the middle; Figure 5 This is a schematic diagram of the overall structure of the movable frame and adjustment components of this utility model; Figure 6 This is an exploded structural diagram of the adjusting cylinder, adjusting bracket and locking component of this utility model.

[0016] Explanation of reference numerals in the attached drawings: 1. Fixed base; 2. Variable frequency motor; 3. Cam body; 4. Movable frame; 5. Movable block; 6. First vertical rail; 7. Adjusting cylinder; 8. Adjusting bracket; 9. Tool holder; 10. Second vertical rail; 11. Positioning block; 12. Fixing hole; 13. Locking rod; 14. Locking plate; 15. Locking cap; 16. Transparent protective cover. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figures 1-6 The present invention provides the following technical solution: To address the problems of existing technologies that rely heavily on cylinder or screw drives for tool movement control, resulting in high maintenance costs and poor adaptability, and the fact that traditional tool movement devices often have fixed tool travel and tool positions, making it inconvenient to adjust the tool extension length according to actual machining needs, this solution provides a cam-driven automatic control device. The device comprises a fixed base 1 and a tool holder 9. A cam drive assembly is located in the middle of the fixed base 1, including a variable frequency motor 2 fixedly mounted at the rear end of the fixed base 1, a cam body 3 fixedly connected to the output end of the fixed base 1, and a movable frame 4 sleeved on the outside of the cam body 3. The side of the cam body 3 furthest from the output end of the variable frequency motor 2 is fitted against the inner side of the movable frame 4. An adjustment assembly is located at the lower end of the movable frame 4, used to adjust the distance between the movable frame 4 and the tool holder 9, i.e., to adjust the tool extension length. like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6As shown, during use, the tool is fixedly installed at the lower end of the tool holder 9 with bolts. Then, the extension length of the tool is adjusted according to the machining requirements. This is achieved through the setting of an adjustment assembly and a locking component. The adjustment assembly includes nested adjustment cylinders 7 and adjustment brackets 8. The tool holder 9 is fixedly connected to the bottom of the adjustment bracket 8. The locking component includes a locking rod 13 fixed to the front upper end of the adjustment bracket 8, a locking plate 14 sleeved on the outside of the locking rod 13, and a locking cap 15 threaded onto the locking rod 13. Moving the adjustment bracket 8 up or down causes it to slide telescopically with the adjustment cylinder 7. The adjustment bracket 8, together with the tool holder 9, moves the tool. Simultaneously, the locking rod 13 passes through the adjustment cylinder 7. On the front side, the adjusting bracket 8 drives the locking rod 13 to move up and down on the front side of the adjusting cylinder 7. When adjusted to the appropriate position, the locking plate 14 is moved, and the locking plate 14 slides with the locking rod 13. The side of the locking plate 14 is provided with a protrusion. The locking plate 14 drives the protrusion to be inserted into the corresponding fixing hole 12 to limit the position between the adjusting bracket 8 and the adjusting cylinder 7. Then, the locking cap 15 threaded to the outer surface of the locking rod 13 is rotated. The locking cap 15 presses and fixes the locking plate 14 to prevent the protrusion from moving out of the fixing hole 12 and maintain the stability of the limit. In addition, the front side of the fixing seat 1 is also provided with a transparent protective cover 16 to prevent the cam drive assembly from being exposed. like Figure 1 , Figure 2 , Figure 3 As shown, the fixed base 1 is fixedly installed at the corresponding position on the external machine tool. A control module is installed on the top of the fixed base 1. The control module is electrically connected to the variable frequency motor 2. The variable frequency motor 2 installed at the rear end of the fixed base 1 is started by the control module. The variable frequency motor 2 drives the cam body 3 to rotate in the movable frame 4. The cam body 3 drives the movable frame 4 to move up and down on the front side of the fixed base 1. The movable frame 4, together with the adjusting cylinder 7, adjusting bracket 8 and tool holder 9, drives the tool to move up and down to realize the cutting of the workpiece. The output speed can also be controlled by adjusting the speed of the variable frequency motor 2. In conjunction with the setting of the guide components, the first guide component includes movable blocks 5 fixed on the left and right sides of the movable frame 4 and first vertical rails 6 fixed on the left and right ends of the front side of the fixed base 1. The second guide component includes a second vertical rail 10 fixed on the outside of the adjusting cylinder 7 and a positioning block 11 fixed on the lower front side of the fixed base 1. The second vertical rail 10 and the positioning block 11 form an up-and-down sliding structure. The movable frame 4 drives the movable blocks 5 to slide up and down with the first vertical rail 6. At the same time, the adjusting cylinder 7 drives the second vertical rail 10 to slide with the positioning block 11, thereby improving the stability during the movement.

[0019] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. In addition, the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.

[0020] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A cam-driven automatic control device, comprising a fixed base (1) and a tool holder (9); characterized in that, Also includes: A cam drive assembly is located in the middle of the fixed base (1). The cam drive assembly includes a variable frequency motor (2) fixedly installed at the rear end of the fixed base (1), a cam body (3) fixedly connected to the output end of the fixed base (1), and a movable frame (4) sleeved on the outside of the cam body (3). The side of the cam body (3) away from the output end of the variable frequency motor (2) is fitted against the inner side of the movable frame (4). An adjustment assembly is located at the lower end of the movable frame (4). The adjustment assembly is used to adjust the distance between the movable frame (4) and the tool holder (9), that is, to adjust the extension length of the tool.

2. The cam-feed automatic control device according to claim 1, characterized in that: The fixed base (1) is fixedly installed at the corresponding position on the external machine tool. A control module is provided on the top of the fixed base (1). The control module is electrically connected to the variable frequency motor (2). A transparent protective cover (16) is fixedly connected to the front side of the fixed base (1), and the transparent protective cover (16) covers the outside of the cam drive assembly.

3. The cam-feed automatic control device according to claim 1, characterized in that: The variable frequency motor (2) drives the cam body (3) to rotate in the middle of the movable frame (4), and the cam body (3) drives the movable frame (4) to move up and down in front of the fixed seat (1). The movable frame (4) is provided with first guide components on both the left and right sides.

4. The cam-feed automatic control device according to claim 3, characterized in that: The first guide component includes movable blocks (5) fixed on the left and right sides of the movable frame (4) and first vertical rails (6) fixed on the left and right ends of the front side of the fixed base (1); The first vertical rail (6) passes through the movable block (5), and the movable block (5) and the first vertical rail (6) form an up-and-down sliding structure.

5. The cam-driven automatic control device according to claim 1, characterized in that: The adjustment assembly includes nested adjustment cylinders (7) and adjustment brackets (8), with a tool holder (9) fixedly connected to the bottom of the adjustment bracket (8), and the tool holder (9) is used to install machining tools.

6. The cam-driven automatic control device according to claim 5, characterized in that: The adjusting cylinder (7) is fixed at the lower end of the movable frame (4), and the adjusting bracket (8) and the adjusting cylinder (7) form an up-and-down sliding structure. A second guide component is provided on the outside of the adjusting cylinder (7).

7. The cam-driven automatic control device according to claim 6, characterized in that: The second guide assembly includes a second vertical rail (10) fixed to the outside of the adjusting cylinder (7) and a positioning block (11) fixed to the front side of the lower end of the fixed seat (1). The second vertical rail (10) and the positioning block (11) form an up-and-down sliding structure.

8. The cam-feed automatic control device according to claim 6, characterized in that: The adjusting cylinder (7) has several fixing holes (12) at equal intervals on the side away from the positioning block (11). The adjusting cylinder (7) and the adjusting bracket (8) are fixed by a locking member set on the upper end of the adjusting bracket (8).

9. The cam-feed automatic control device according to claim 8, characterized in that: The locking component includes a locking rod (13) fixed to the front side of the upper end of the adjusting bracket (8), a locking plate (14) sleeved on the outside of the locking rod (13), and a locking cap (15) threaded onto the locking rod (13); wherein the locking cap (15) and the locking plate (14) are tightly fitted together.

10. The cam-driven automatic control device according to claim 9, characterized in that: The locking rod (13) is disposed through the locking rod (13), and the side of the locking plate (14) is provided with a protrusion for positioning, which is inserted into the corresponding fixing hole (12).

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