Super-plastic deformation mold machining cutter bar

Abstract

The utility model discloses a superplastic deformation mould processing cutter bar, which relates to the technical field of mould processing cutter bars, and comprises a hollow cutter bar main body, an adjusting unit and a limiting unit which are arranged on the cutter bar main body, and a blade groove is arranged at the top end of the cutter bar main body; the adjusting unit comprises a sliding rod, a supporting arm, a bearing disc and an adjusting screw rod; each limiting unit comprises a bidirectional lead screw, a supporting batten, a clamping block and an anti-skid pad. According to the utility model, by rotating the adjusting screw rod outside the cutter bar main body, the adjusting screw rod in threaded connection with the center of the bottom end of the cutter bar main body can rotate and lift to drive the bearing disc to lift in the cutter bar main body to help the blade to adjust a proper exposed area and provide bottom auxiliary support for the blade, and the bearing is matched with the adjusting screw rod to automatically rotate; the supporting arms can slide and lift on the sliding rods to be matched with adjustment of the bearing disc while supporting the bottom of the bearing disc, and blades of different sizes can be flexibly and stably supported at the bottom after being assembled to avoid contraction and displacement.

Description

Technical Field

[0001] The utility model relates to the technical field of tool shanks for mold processing, and particularly relates to a tool shank for superplastic deformation mold processing. Background Art

[0002] The working principle of a superplastic deformation mold is based on the characteristics of metal materials in the superplastic state, that is, at a low strain rate and a certain temperature, the material can exhibit extremely good extensibility. Superplastic deformation molds often require tool shanks to cooperate with cutting tools for processing. Currently, the tool shanks used in the mold industry are all tool shanks matched for point contact narrow-row processing. The positioning method of the used tool shanks mostly adopts single-sided positioning, and the connection between the tool shank and the blade is connected by fastening screws. However, during the processing of mold materials, the cutting vibration is obvious and the cutting force is large. The ball-end milling cutter blade and the tool shank are only positioned by a single side and screws. During the processing, the large cutting vibration and cutting force cause the fastening screws to often loosen and break, resulting in poor connectivity between the blade and the tool shank, and causing errors in the machined surface and dimensions of the mold.

[0003] The publication (announcement) number is CN206779557U, which discloses a special tool shank for wide-row processing of molds, including a tool shank body. A groove is opened at the top end of the tool shank body. Both sides of the groove are open. Slide grooves perpendicular to the groove are opened on both sides of the top end of the tool shank body. A sliding groove is opened on the bottom inner wall of the slide groove. Limiting grooves are equidistantly spaced on the bottom inner wall of the sliding groove. Internal threads are opened on the inner walls of the limiting grooves. A limiting bolt is threadedly connected to the limiting groove through the internal threads. One end of the limiting bolt away from the limiting groove extends to the top end of the tool shank body. A slider is slidably installed in the slide groove. The limiting bolt is located on one side of the slider. One ends of the two sliders away from the bottom inner wall of the slide groove are respectively fixedly welded with a first clip and a second clip. The first clip and the second clip are symmetrically arranged. The utility model can arbitrarily adjust the size of the blade groove, which is convenient for installation and disassembly, and has a simple structure and is easy to use.

[0004] Although the above solution can arbitrarily adjust the size of the blade groove and is convenient for installation and disassembly, the adjustment of the clip spacing requires multiple-point operations one by one. The assembly operation of the blade on the tool shank is cumbersome and laborious. Moreover, the exposed length dimensions of different-sized blades on the tool shank are different, and it is difficult to obtain a stable bottom support after assembly of different-sized blades and they are prone to shrinkage and displacement. Therefore, we propose a tool shank for superplastic deformation mold processing. Summary of the Utility Model

[0005] The main purpose of the utility model is to provide a tool shank for superplastic deformation mold processing, which solves the problems that different-sized blades are difficult to obtain a stable bottom support and are prone to shrinkage and displacement after assembly, and the assembly operation of the blade on the tool shank is cumbersome and laborious by setting an adjustment unit and a limiting unit.

[0006] To solve the above technical problems, the present utility model is achieved through the following technical solutions: A cutting tool shank for superplastic deformation mold processing, including a shank body with a hollow interior, further including: an adjustment unit and a limit unit provided on the shank body, and a blade groove is provided at the top end of the shank body;

[0007] The adjustment unit includes a sliding rod, a support arm, a bearing disc, and an adjustment screw. A strip-shaped chute is provided on the inner wall of the middle curved surface of the shank body. The sliding rod is fixedly provided on the strip-shaped chute. The support arm is in an "L" shape and is movably provided on the sliding rod. The bearing disc is hollow inside and is fixedly provided at the top end of the support arm. The adjustment screw is threadedly connected to the center of the bottom end of the shank body, and one end of the adjustment screw extending into the shank body is connected to the bottom surface of the bearing disc through a bearing;

[0008] The limit unit includes a bidirectional lead screw, a support strip, a clamping block, and an anti-slip pad. The bidirectional lead screw is movably provided on the inner wall of the middle end of the bearing disc. A limit through groove is provided on the top surface of the bearing disc. There are two support strips in total, which respectively cooperate with the symmetrically arranged positive and negative threaded sections on the bidirectional lead screw. The two clamping blocks are respectively fixedly provided at the top ends of the support strips and are located above the bearing disc. The anti-slip pad is fixedly provided on one side surface of the clamping block facing the vertical central axis of the shank body.

[0009] Preferably, there are two support arms in total, which are symmetrically distributed on the bottom surface of the bearing disc, and the sliding rod and the strip-shaped chute are arranged in one-to-one correspondence with the support arm.

[0010] Preferably, the limit unit further includes a guide rod, and the guide rod is fixedly provided inside the bearing disc and movably penetrates through the two support strips.

[0011] Preferably, there are two guide rods in total, which are symmetrically distributed on the bearing disc.

[0012] Preferably, a strip-shaped notch is provided on the outer peripheral surface of the top end of the shank body, and a turntable is fixedly provided at one end of the bidirectional lead screw that movably penetrates through the bearing disc and extends to the outside of the shank body through the strip-shaped notch.

[0013] Preferably, a hollow connecting seat is fixedly provided at the bottom end of the shank body, and the hollow connecting seat is located outside the adjustment screw.

[0014] Compared with the prior art, the cutting tool shank for superplastic deformation mold processing of the present utility model has the following beneficial effects:

[0015] 1. In the present utility model, by providing an adjustment unit, while the bearing disc serves as the carrier of the limiting unit, after the blade is placed in the blade slot, by rotating the adjustment screw outside the main body of the tool bar, the adjustment screw threadedly connected to the center of the bottom end of the main body of the tool bar can rotate up and down to drive the bearing disc to move up and down inside the main body of the tool bar to help the blade adjust the appropriate exposed area and provide auxiliary support for its bottom. The bearing cooperates with the adjustment screw to rotate by itself. The support arm in an "L" shape supports the bottom of the bearing disc and can slide up and down on the sliding rod to cooperate with the bearing disc for adjustment. Blades of different sizes can flexibly obtain stable bottom support after assembly to avoid shrinkage and displacement.

[0016] 2. In the present utility model, by providing a limiting unit, by holding and rotating the turntable outside the main body of the tool bar, the bidirectional lead screw can be controlled to rotate forward and backward on the bearing disc. The two support strips threadedly connected to the bidirectional lead screw can move relative to each other on the limiting through slots under the action of force. The two clamping blocks can be driven by the two support strips to adjust the distance on the top surface of the bearing disc. The guide rod is provided to guide the sliding and translation of the support strips and provide auxiliary support for them. When the two clamping blocks approach each other, they can cooperate with the anti-slip pads to clamp and fix both sides of the end face of the blade inserted into the blade slot. The assembly operation of the blade on the main body of the tool bar is simple, labor-saving and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0018] Figure 1 It is a schematic diagram of the overall structure of a tool bar for superplastic deformation mold processing according to the present utility model;

[0019] Figure 2 It is a schematic top view structure diagram of a tool bar for superplastic deformation mold processing according to the present utility model;

[0020] Figure 3 For the present utility model Figure 2 It is a schematic cross-sectional structure diagram at A-A in the present utility model;

[0021] Figure 4 For the present utility model Figure 2 It is a schematic cross-sectional structure diagram at B-B in the present utility model;

[0022] Figure 5 For the present utility model Figure 4 It is a schematic cross-sectional structure diagram at C-C in the present utility model.

[0023] In the drawings, the list of components represented by each reference numeral is as follows:

[0024] 1. Tool shank body

[0025] 2. Adjustment unit; 201. Slide bar; 202. Support arm; 203. Bearing disc; 204. Adjusting screw

[0026] 3. Limiting unit; 301. Bi-directional lead screw; 302. Support strip; 303. Clamping block; 304. Anti-slip pad; 305. Guide rod

[0027] 4. Blade groove

[0028] 5. Turntable

[0029] 6. Hollow connecting seat Detailed implementation mode

[0030] To make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with the specific implementation modes.

[0031] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0032] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "provided with", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations. Embodiment

[0033] As shown in Figure 1 , Figure 2 , Figure 4 and Figure 5 shown, a tool shank for superplastic deformation mold processing includes a tool shank body 1 with a hollow interior, and further includes: an adjustment unit 2 and a limiting unit 3 provided on the tool shank body 1, and a blade groove 4 is opened at the top of the tool shank body 1.

[0034] The adjusting unit 2 includes a sliding rod 201, a supporting arm 202, a bearing disc 203 and an adjusting screw 204. A strip-shaped chute is provided on the inner wall of the middle curved surface of the cutter bar body 1. The sliding rod 201 is fixedly arranged on the strip-shaped chute. The supporting arm 202 is in an "L" shape and is movably arranged on the sliding rod 201. The bearing disc 203 is hollow inside and is fixedly arranged at the top end of the supporting arm 202. The adjusting screw 204 is threadedly connected to the center of the bottom end of the cutter bar body 1, and one end of the adjusting screw 204 extending into the cutter bar body 1 is connected to the bottom surface of the bearing disc 203 through a bearing;

[0035] The limiting unit 3 includes a bidirectional lead screw 301, a supporting strip 302, a clamping block 303 and an anti-slip pad 304. The bidirectional lead screw 301 is movably arranged on the inner wall of the middle end of the bearing disc 203. A limiting through groove is provided on the top surface of the bearing disc 203. There are two supporting strips 302 in total, which respectively cooperate with the symmetrically arranged positive and negative threaded sections on the bidirectional lead screw 301. The two clamping blocks 303 are respectively fixedly arranged at the top ends of the supporting strips 302 and are located above the bearing disc 203. The anti-slip pad 304 is fixedly arranged on one side surface of the clamping block 303 facing the vertical central axis of the cutter bar body 1.

[0036] Further, there are two supporting arms 202 in total, which are symmetrically distributed on the bottom surface of the bearing disc 203. The sliding rod 201 and the strip-shaped chute are arranged in one-to-one correspondence with the supporting arm 202.

[0037] Further, a hollow connecting seat 6 is fixedly arranged at the bottom end of the cutter bar body 1, and the hollow connecting seat 6 is located outside the adjusting screw 204.

[0038] Through the adjusting unit 2, the bottom of different-sized blades can be stably supported flexibly after assembly to avoid shrinkage and displacement. Embodiment

[0039] As Figure 2 、 Figure 3 And Figure 5 shown, a cutter bar for superplastic deformation mold processing includes a cutter bar body 1 with a hollow inside, and further includes: an adjusting unit 2 and a limiting unit 3 arranged on the cutter bar body 1. A blade groove 4 is provided at the top end of the cutter bar body 1;

[0040] The adjusting unit 2 includes a sliding rod 201, a supporting arm 202, a bearing disc 203 and an adjusting screw 204. A strip-shaped chute is provided on the inner wall of the middle curved surface of the cutter bar body 1. The sliding rod 201 is fixedly arranged on the strip-shaped chute. The supporting arm 202 is in an "L" shape and is movably arranged on the sliding rod 201. The bearing disc 203 is hollow inside and is fixedly arranged at the top end of the supporting arm 202. The adjusting screw 204 is threadedly connected to the center of the bottom end of the cutter bar body 1, and one end of the adjusting screw 204 extending into the cutter bar body 1 is connected to the bottom surface of the bearing disc 203 through a bearing;

[0041] The limiting unit 3 includes a bidirectional lead screw 301, a support strip 302, a clamping block 303, and an anti-slip pad 304. The bidirectional lead screw 301 is movably arranged on the inner wall of the middle end of the bearing disc 203. A limiting through groove is formed on the top surface of the bearing disc 203. There are two support strips 302 in total, which respectively cooperate with the positive and negative two threaded segments symmetrically arranged on the bidirectional lead screw 301. The two clamping blocks 303 are respectively fixedly arranged at the top ends of the support strips 302 and are located above the bearing disc 203. The anti-slip pad 304 is fixedly arranged on one side surface of the clamping block 303 facing the vertical central axis of the tool bar body 1.

[0042] Furthermore, the limiting unit 3 further includes a guide rod 305. The guide rod 305 is fixedly arranged inside the bearing disc 203 and movably penetrates through the two support strips 302.

[0043] Furthermore, there are two guide rods 305 in total, which are symmetrically distributed on the bearing disc 203.

[0044] Furthermore, a strip-shaped notch is formed on the outer peripheral surface of the top end of the tool bar body 1. The bidirectional lead screw 301 movably penetrates through the bearing disc 203 and a turntable 5 is fixedly arranged at one end extending to the outside of the tool bar body 1 through the strip-shaped notch.

[0045] The limiting unit 3 makes the assembly operation of the blade on the tool bar body 1 simple, labor-saving and convenient.

[0046] The working principle of the present utility model is as follows:

[0047] After the blade is placed in the blade groove 4, by rotating the adjusting screw 204 outside the tool bar body 1, the adjusting screw 204 threadedly connected to the center of the bottom end of the tool bar body 1 rotates and lifts to drive the bearing disc 203 to lift inside the tool bar body 1 to help the blade adjust to a proper exposed area and provide bottom auxiliary support for it. The bearing cooperates with the adjusting screw 204 to rotate by itself. While the support arm 202 provides bottom support for the bearing disc 203, it slides up and down on the sliding rod 201 to cooperate with the bearing disc 203 for adjustment. Hold and rotate the turntable 5 outside the tool bar body 1 to control the bidirectional lead screw 301 to rotate forward and backward on the bearing disc 203. The two support strips 302 threadedly connected to the bidirectional lead screw 301 move relative to each other on the limiting through groove under the action of force. The two clamping blocks 303 are driven by the two support strips 302 to adjust the distance on the top surface of the bearing disc 203. The guide rod 305 guides the sliding and translation of the support strip 302. The two clamping blocks 303 approach each other to clamp and fix both sides of the end face of the blade inserted into the blade groove 4 in cooperation with the anti-slip pad 304.

[0048] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments, and what is described in the above embodiments and the specification is only to illustrate the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A superplastic deformation die machining tool bar, comprising a tool bar body (1) with a hollow interior, characterized in that: Also includes: An adjustment unit (2) and a limit unit (3) are arranged on a knife bar body (1); a blade groove (4) is provided at the top end of the knife bar body (1); The adjustment unit (2) comprises a slide rod (201), a support arm (202), a bearing disc (203) and an adjustment screw (204); a strip-shaped slide groove is provided on the inner wall of the curved surface at the middle end of the tool rod body (1); the slide rod (201) is fixedly arranged on the strip-shaped slide groove; the support arm (202) is in an "L" shape and is movably arranged on the slide rod (201); the bearing disc (203) is hollow inside and is fixedly arranged on the top of the support arm (202); the adjustment screw (204) is threadedly connected to the center of the bottom end of the tool rod body (1); and one end of the adjustment screw (204) extending to the inside of the tool rod body (1) is connected to the bottom surface of the bearing disc (203) through a bearing; The limiting unit (3) comprises a bidirectional screw (301), a supporting strip (302), a clamping block (303) and an anti-skid pad (304); the bidirectional screw (301) is movably arranged on the inner wall of the middle end of the bearing disc (203); a limiting through groove is arranged on the top surface of the bearing disc (203); the supporting strip (302) is provided with two and respectively correspond to the positive and negative threads symmetrically arranged on the bidirectional screw (301); the two clamping blocks (303) are respectively fixedly arranged on the top of the supporting strip (302) and located above the bearing disc (203); the anti-skid pad (304) is fixedly arranged on the side surface of the clamping block (303) facing the vertical center axis of the knife rod body (1).

2. The superplastic deformation die machining tool bar according to claim 1, characterized in that: The supporting arms (202) are provided with two in total and are symmetrically distributed on the bottom surface of the bearing disc (203); the sliding rods (201) and the strip-shaped sliding grooves are arranged in a one-to-one correspondence with the supporting arms (202).

3. The superplastic deformation die machining tool bar according to claim 1, characterized in that: The limiting unit (3) further comprises a guide rod (305), wherein the guide rod (305) is fixedly arranged inside the bearing disc (203) and movably penetrates the two supporting strips (302).

4. The superplastic deformation die machining tool bar according to claim 3, characterized in that: There are two guide rods (305) in total and they are symmetrically distributed on the supporting disc (203).

5. The superplastic deformation die machining tool bar according to claim 1, characterized in that: A strip-shaped notch is provided on the outer peripheral surface of the top end of the knife rod body (1); the bidirectional screw rod (301) movably penetrates the bearing disc (203) and extends through the strip-shaped notch to a rotating disc (5) fixedly disposed at one end outside the knife rod body (1).

6. The superplastic deformation die machining tool bar according to claim 1, characterized in that: A hollow connecting seat (6) is fixedly provided at the bottom end of the knife rod body (1), and the hollow connecting seat (6) is located outside the adjusting screw rod (204).

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