Hard alloy bar finish machining anti-walking device

Abstract

The utility model discloses a hard alloy bar finish machining anti-walking device, which belongs to the technical field of hard alloy bar machining and comprises a mounting frame, air cylinders are fixedly mounted on the front side face and the rear side face of the mounting frame respectively, and the ends of piston rods of the two air cylinders are oppositely arranged and fixedly provided with sliding frames respectively. First ejector pins are fixedly installed on the opposite faces of the two sliding frames, connecting frames are fixedly installed on the side faces of the sliding frames, and penetrating rings are fixedly installed on the connecting frames. The air cylinder is arranged to be matched with the sliding frames for use, the distance between the sliding frames on the two sides can be adjusted according to the length of the alloy bar workpiece, the two ejector pins I are oppositely arranged to achieve centering and jacking of the alloy bar workpiece, and the multiple annularly-arranged ejector pins II are matched for use to achieve external jacking of the alloy bar workpiece. And therefore, stable fixing and clamping of the alloy bar workpiece can be achieved, the movement phenomenon in the machining process is effectively prevented, the machining operation precision is guaranteed, and the defective rate is effectively reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of hard alloy bar processing, and in particular relates to a hard alloy bar finishing processing anti-movement device. Background Art

[0002] Cemented carbide has a series of excellent properties such as high hardness, wear resistance, good strength and toughness, heat resistance and corrosion resistance. In particular, its high hardness and wear resistance remain basically unchanged even at a temperature of 500°C, and it still has a high hardness at 1000°C.

[0003] Cemented carbide is widely used as tool material, such as turning tools, milling cutters, planers, drills, boring tools, etc. It is used to cut cast iron, non-ferrous metals, plastics, chemical fibers, graphite, glass, stone and ordinary steel. It can also be used to cut difficult-to-process materials such as heat-resistant steel, stainless steel, high manganese steel, tool steel, etc.

[0004] How to fix carbide rods during processing is a very important issue. The existing fixing methods are all external surface clamping fixation. This fixing method causes the problem of rod movement for cylindrical rods. The offset and movement of rods will affect the operation accuracy during processing and cause defective products. Utility Model Content

[0005] The purpose of the utility model is to provide a device for preventing carbide rods from moving during finishing, so as to solve the problem that the existing fixing methods proposed in the above-mentioned background technology are all external surface clamping fixings, and such fixing methods cause the problem of rod movement for cylindrical rods. The offset and moving rods will affect the operation accuracy during processing, resulting in the problem of defective products.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for preventing carbide rods from moving during finishing, comprising a mounting frame, cylinders are fixedly mounted on both front and rear sides of the mounting frame, piston rod ends of the two cylinders are arranged relatively and fixedly mounted with sliding frames, ejector pins 1 are fixedly mounted on opposite surfaces of the two sliding frames, a connecting frame is fixedly mounted on the side of the sliding frame, a through ring is fixedly mounted on the connecting frame, a plurality of fixed plates are fixedly mounted on the outer surface of the through ring, a rotating shaft is rotatably mounted on the fixed plate, a pulley and a gear are fixedly mounted on the outer surface of the rotating shaft, a belt is connected between the plurality of pulleys on the same side, a motor 1 is fixedly mounted on the side of the through ring, an output shaft of the motor 1 is fixedly connected to the rotating shaft at a corresponding position, a plurality of slideways are provided on the through ring and ejector pins 2 are slidably mounted in the slideways, a toothed plate used in conjunction with the gear is fixedly mounted on the side of the ejector pins 2, a channel is provided on the mounting frame and a jacket is movably arranged in the channel, an inner plate is movably arranged in the outer jacket, and a support bracket is fixedly mounted on the top of the inner plate.

[0007] By adopting the above scheme, a cylinder is set to be used in conjunction with a sliding frame, and the distance between the sliding frames on both sides can be adjusted according to the length of the alloy bar workpiece. Two ejector pins are arranged relatively to each other to achieve centering and tightening of the alloy bar workpiece, and multiple ejector pins 2 arranged in a ring are used in conjunction to achieve external tightening of the alloy bar workpiece, thereby achieving stable fixation and clamping of the alloy bar workpiece, effectively preventing movement during processing, ensuring processing accuracy, and effectively reducing the defective rate. By setting a support bracket to be used in conjunction with an outer sleeve, an inner plate and a lead screw, the support bracket can be height-adjusted by the outer sleeve and the inner plate, can be adaptively adjusted according to the thickness of the alloy bar workpiece, and can be horizontally adjusted by rotating the lead screw, thereby adaptively adjusted according to the processing position requirements.

[0008] In the above solution, it should be noted that the cylinder, motor 1 and motor 2 are all electrically connected to an external power supply.

[0009] As a preferred embodiment, a plurality of guide rods are fixedly mounted on the inner wall of the mounting frame, and the sliding frame is slidably mounted on the outer surfaces of the plurality of guide rods.

[0010] With the above solution, when the cylinder is extended and retracted to drive the sliding frame to slide, the sliding frame slides on the surface of the guide rod, and the guide rod plays a good supporting effect.

[0011] As a preferred embodiment, a limiting slide bar is fixedly installed on the side of the ejector pin 2, and a limiting slide groove used in conjunction with the limiting slide bar is provided on the inner wall of the slideway on the through ring.

[0012] By adopting the above solution, the limiting slide bar is used in conjunction with the limiting slide groove to limit the position of the ejector pin 2 to prevent the ejector pin 2 from shaking.

[0013] As a preferred embodiment, two support plates are fixedly installed on the lower surface of the mounting frame, wherein a second motor is fixedly installed on the side of one of the support plates, a lead screw is rotatably installed between the two support plates, the output shaft of the second motor is fixedly connected to the lead screw, and the outer sleeve thread is installed on the outer surface of the lead screw.

[0014] By adopting the above scheme, the second motor is used to drive the lead screw to rotate, thereby driving the outer sleeve to move horizontally, thereby achieving the effect of adjusting the position of the support bracket.

[0015] As a preferred embodiment, a sliding block is fixedly installed on the side of the outer sleeve, a sliding rod is fixedly installed between the two support plates, and the sliding block is slidably installed on the outer surface of the sliding rod.

[0016] With the above solution, when the outer sleeve moves under the rotation of the lead screw, it will slide on the surface of the sliding rod through the sliding block. The cooperation between the sliding block and the sliding rod can ensure that the horizontal movement of the outer sleeve is more stable.

[0017] As a preferred embodiment, a positioning pin is slidably mounted on the outer sleeve, a connecting plate is fixedly mounted on the outer surface of the positioning pin, a spring is fixedly mounted between the connecting plate and the outer sleeve, and a plurality of positioning holes for use with the positioning pin are opened on the inner plate.

[0018] By adopting the above scheme, the elasticity of the spring is used in conjunction with the positioning pin to lock the position of the inner plate after the position is adjusted up and down. The locking structure is simple and the operation is convenient.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] The anti-movement device for finishing of hard alloy bars is used by arranging a cylinder in cooperation with a sliding frame. The distance between the sliding frames on both sides can be adjusted according to the length of the alloy bar workpiece. Two ejector pins are arranged opposite to each other to realize centering and tightening of the alloy bar workpiece. A plurality of ejector pins arranged in an annular manner are used in cooperation to realize external tightening of the alloy bar workpiece, thereby realizing stable fixing and clamping of the alloy bar workpiece, effectively preventing movement during processing, ensuring processing accuracy, and effectively reducing the defective rate.

[0021] The device for preventing carbide rod finishing from moving is used by setting a support bracket in conjunction with an outer sleeve, an inner plate and a lead screw. The support bracket can be height-adjusted by the cooperation of the outer sleeve and the inner plate, can adaptively adjust the support according to the thickness of the alloy rod workpiece, and can realize horizontal position adjustment by rotating the lead screw, and can further be adaptively adjusted according to the processing position requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the utility model;

[0023] Figure 2 It is a structural schematic diagram of the utility model from another angle;

[0024] Figure 3 This is a schematic diagram of the structure of the through ring of the utility model;

[0025] Figure 4 It is a schematic diagram of the structure of the outer cover and the inner plate of the utility model;

[0026] Figure 5 For this utility model Figure 4 Schematic diagram of the structure enlarged at point A in the middle.

[0027] In the figure: 1. mounting frame; 2. cylinder; 3. sliding frame; 4. ejector pin 1; 5. connecting frame; 6. through ring; 7. fixing plate; 8. rotating shaft; 9. pulley; 10. belt; 11. motor 1; 12. gear; 13. tooth plate; 14. ejector pin 2; 15. supporting plate; 16. lead screw; 17. motor 2; 18. outer sleeve; 19. inner plate; 20. supporting bracket; 21. guide rod; 22. limit slide; 23. sliding block; 24. sliding rod; 25. positioning pin; 26. connecting plate; 27. spring. DETAILED DESCRIPTION

[0028] See also Figure 1-5 The utility model provides a device for preventing carbide rods from moving during finishing, comprising a mounting frame 1, cylinders 2 are fixedly mounted on both the front and rear sides of the mounting frame 1, piston rod ends of the two cylinders 2 are arranged opposite to each other and fixedly mounted with sliding frames 3, opposite surfaces of the two sliding frames 3 are fixedly mounted with ejector pins 4, a connecting frame 5 is fixedly mounted on the side of the sliding frame 3, a through ring 6 is fixedly mounted on the connecting frame 5, a plurality of fixed plates 7 are fixedly mounted on the outer surface of the through ring 6, a rotating shaft 8 is rotatably mounted on the fixed plate 7, and a pulley 9 is fixedly mounted on the outer surface of the rotating shaft 8 and gear 12, a belt 10 is connected for transmission between several pulleys 9 on the same side, a motor 11 is fixedly installed on the side of the through ring 6, the output shaft of the motor 11 is fixedly connected to the rotating shaft 8 at the corresponding position, a plurality of slideways are provided on the through ring 6 and a thimble 2 14 is slidably installed in the slideway, a toothed plate 13 used in conjunction with the gear 12 is fixedly installed on the side of the thimble 2 14, a channel is provided on the mounting frame 1 and a jacket 18 is movably provided in the channel, an inner plate 19 is movably provided in the jacket 18, and a support bracket 20 is fixedly installed on the top of the inner plate 19.

[0029] A plurality of guide rods 21 are fixedly mounted on the inner wall of the mounting frame 1, and the sliding frame 3 is slidably mounted on the outer surfaces of the plurality of guide rods 21. When the cylinder 2 is extended and retracted to drive the sliding frame 3 to slide, the sliding frame 3 slides on the surface of the guide rods 21, and the guide rods 21 play a good supporting effect.

[0030] A limiting slide bar 22 is fixedly installed on the side of the ejector pin 14, and a limiting slide groove used in conjunction with the limiting slide bar 22 is opened on the inner wall of the slideway on the ring 6. The limiting slide bar 22 is used in conjunction with the limiting slide groove to limit the ejector pin 14 and prevent the ejector pin 14 from shaking.

[0031] Two support plates 15 are fixedly installed on the lower surface of the mounting frame 1, and a second motor 17 is fixedly installed on the side of one of the support plates 15. A lead screw 16 is rotatably installed between the two support plates 15. The output shaft of the second motor 17 is fixedly connected to the lead screw 16, and a sleeve 18 is threadedly installed on the outer surface of the lead screw 16. The second motor 17 is used to drive the lead screw 16 to rotate, thereby driving the sleeve 18 to move horizontally, thereby achieving the effect of adjusting the position of the support bracket 20.

[0032] A sliding block 23 is fixedly installed on the side of the outer sleeve 18, and a sliding rod 24 is fixedly installed between the two support plates 15. The sliding block 23 is slidably installed on the outer surface of the sliding rod 24. When the outer sleeve 18 moves under the rotation of the screw 16, it will slide on the surface of the sliding rod 24 through the sliding block 23. The cooperation between the sliding block 23 and the sliding rod 24 can ensure that the horizontal movement of the outer sleeve 18 is more stable.

[0033] A positioning pin 25 is slidably installed on the outer sleeve 18, a connecting plate 26 is fixedly installed on the outer surface of the positioning pin 25, a spring 27 is fixedly installed between the connecting plate 26 and the outer sleeve 18, and a plurality of positioning holes for use with the positioning pin 25 are opened on the inner plate 19. The elasticity of the spring 27 is used in conjunction with the positioning pin 25 to lock the position of the inner plate 19 after the position is adjusted up and down. The locking structure is simple and the operation is convenient.

[0034] When in use, the alloy bar workpiece to be fixed and clamped is placed between the two sliding frames 3 and facing the two ejector pins 4, the cylinder 2 is started to drive the sliding frame 3 to move, and the sliding frame 3 drives the ejector pin 4 to move, and the two opposite ejector pins 4 are used to center and tighten the alloy bar workpiece, and then the cylinder 2 is stopped, the motor 11 is started, and the pulley 9 and the belt 10 are used to make the multiple shafts 8 rotate synchronously, and the shaft 8 drives the gear 12 to rotate, and the gear 12 is used in conjunction with the toothed plate 13 to make the ejector pin 14 move inward, thereby externally tightening and fixing the alloy bar workpiece, and then the motor 11 is stopped. To fix the alloy bar workpiece, the support bracket 20 is adjusted, the connecting plate 26 is pulled to disengage the positioning pin 25 from the positioning hole, the inner plate 19 is unlocked and the inner plate 19 is supported to move upward, so that the support bracket 20 is close to the surface of the alloy bar workpiece, and then the connecting plate 26 is loosened, and the elasticity of the spring 27 is used to drive the positioning column to reset and insert it into the positioning hole to achieve locking, and then the motor 2 17 is started to drive the screw 16 to rotate, and then drive the outer sleeve 18 to move horizontally, and then drive the support bracket 20 to move horizontally through the inner plate 19, and adjust the support bracket 20 to be directly below the processing position to support the processing part.

Claims

1. A device for preventing carbide rods from moving during finishing, characterized in that: The invention comprises a mounting frame (1), wherein a cylinder (2) is fixedly mounted on both the front and rear sides of the mounting frame (1), the piston rod ends of the two cylinders (2) are arranged opposite to each other and fixedly mounted on both the sliding frames (3), the opposite surfaces of the two sliding frames (3) are fixedly mounted with a thimble (4), a connecting frame (5) is fixedly mounted on the side of the sliding frame (3), a through ring (6) is fixedly mounted on the connecting frame (5), a plurality of fixed plates (7) are fixedly mounted on the outer surface of the through ring (6), a rotating shaft (8) is rotatably mounted on the fixing plate (7), a pulley (9) and a gear (12) are fixedly mounted on the outer surface of the rotating shaft (8), and a plurality of fixed plates (7) on the same side are fixedly mounted on the connecting frame (5). A belt (10) is connected between the pulleys (9) in a transmission manner, a motor (11) is fixedly mounted on the side of the through-ring (6), the output shaft of the motor (11) is fixedly connected to the rotating shaft (8) at the corresponding position, a plurality of slideways are provided on the through-ring (6) and a second ejector (14) is slidably mounted in the slideways, a toothed plate (13) used in conjunction with the gear (12) is fixedly mounted on the side of the second ejector (14), a channel is provided on the mounting frame (1) and an outer sleeve (18) is movably arranged in the channel, an inner plate (19) is movably arranged in the outer sleeve (18), and a support bracket (20) is fixedly mounted on the top of the inner plate (19).

2. The anti-movement device for finishing of cemented carbide bars according to claim 1, characterized in that: A plurality of guide rods (21) are fixedly mounted on the inner wall of the mounting frame (1), and the sliding frame (3) is slidably mounted on the outer surfaces of the plurality of guide rods (21).

3. The anti-movement device for finishing of cemented carbide bars according to claim 1, characterized in that: A limiting slide bar (22) is fixedly mounted on the side of the second ejector pin (14), and a limiting slide groove for use with the limiting slide bar (22) is provided on the inner wall of the upper slideway of the through ring (6).

4. The device for preventing carbide rods from moving during finishing according to claim 1, characterized in that: Two support plates (15) are fixedly mounted on the lower surface of the mounting frame (1), a second motor (17) is fixedly mounted on the side of one of the support plates (15), a lead screw (16) is rotatably mounted between the two support plates (15), an output shaft of the second motor (17) is fixedly connected to the lead screw (16), and the outer sleeve (18) is threadedly mounted on the outer surface of the lead screw (16).

5. The device for preventing carbide rod from moving during finishing according to claim 4, characterized in that: A sliding block (23) is fixedly mounted on the side of the outer sleeve (18), a sliding rod (24) is fixedly mounted between the two support plates (15), and the sliding block (23) is slidably mounted on the outer surface of the sliding rod (24).

6. The device for preventing carbide rod from moving during finishing according to claim 1, characterized in that: A positioning pin (25) is slidably mounted on the outer sleeve (18), a connecting plate (26) is fixedly mounted on the outer surface of the positioning pin (25), a spring (27) is fixedly mounted between the connecting plate (26) and the outer sleeve (18), and a plurality of positioning holes for use with the positioning pin (25) are provided on the inner plate (19).

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