Positioning tool for rack milling and drilling

Abstract

The utility model discloses a positioning tool for rack milling and drilling, and relates to the technical field of positioning tools. The top surface of the bearing seat is fixedly connected with a fixed plate, the top surface of the bearing seat is slidably connected with a movable plate on one side of the fixed plate, the lower part of the side wall of the rotating shaft is fixedly connected with a worm gear, one surface, facing the fixed plate, of the movable plate is fixedly connected with a screw rod, and the side wall of the screw rod is in threaded connection with a threaded cylinder; a positioning plate is fixedly connected to the end face of the threaded barrel, stepped grooves are formed in the two sides of the top face of the bearing base, threaded columns are arranged in groove openings of the stepped grooves, movable blocks are fixedly connected to the top ends of the threaded columns, screw rods are connected to the side walls of the movable blocks in a penetrating and threaded mode, and positioning discs are fixedly connected to the rod ends of the screw rods; the milling and drilling integrated tool is good in universality and can meet the positioning requirements of milling and drilling at the same time, so that the integrated tool is formed, the clamping frequency is reduced, and the machining efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to positioning frock technical field, concretely is a kind of positioning frock for rack milling and drilling. BACKGROUND

[0002] In the process of rack processing, milling tooth shape and drilling are two key processes, and the current positioning frock is mostly used single fixed structure when milling and drilling rack, cannot be compatible with multi-process positioning needs, when facing milling tooth shape and drilling two processes, need to be disassembled and clamped multiple times according to processing procedure to plate, to complete positioning needs, this way can cause time waste, also make operation more complicated, affect processing efficiency, for the above problems, the inventor proposes a kind of positioning frock for rack milling and drilling to solve the above problems. SUMMARY

[0003] To solve the problem that the current positioning frock cannot be compatible with multi-process positioning needs when milling and drilling rack, the purpose of the utility model is to provide a kind of positioning frock for rack milling and drilling.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: a kind of positioning frock for rack milling and drilling, including support seat, the top surface of the support seat is fixedly connected with fixed plate, the top surface of the support seat and at the one side of fixed plate slidingly connected with movable plate, the top surface of the support seat is inserted rotationally connected with rotating shaft, the upper part of the side wall of the rotating shaft is fixedly connected with cam, the cam is corresponding with movable plate and is matched, the lower part of the side wall of the rotating shaft is fixedly connected with worm wheel, one side of the movable plate is fixedly connected with screw rod, the side wall of the screw rod is threadedly connected with threaded cylinder, the end surface of the threaded cylinder is fixedly connected with positioning plate, both sides of the top surface of the support seat are provided with stepped groove, the notch of the stepped groove is provided with threaded column, the top end of the threaded column is fixedly connected with movable block, the side wall of the movable block is inserted threadedly connected with lead screw, the rod end of the lead screw is fixedly connected with positioning disc.

[0005] Preferably, the top surface of the supporting seat is provided with a notch, the inner wall of the notch is fixedly connected with a sliding rail, the bottom surface of the movable plate is fixedly connected with a sliding block on both sides, the sliding block is corresponding to the sliding rail and is in sliding connection, the top surface of the supporting seat is placed with a plate, the plate is used for processing into a rack, when the plate is positioned, the plate is placed between the movable plate and the fixed plate, the motor is started, the worm is rotated under the action of the output shaft of the motor, the worm and the worm gear are meshed with each other, so that the rotating shaft is rotated, and then the cam is rotated to push the movable plate, and the sliding block and the sliding rail are matched with each other, so that the movable plate moves stably, the side of the movable plate away from the fixed plate is fixedly connected with a guide rod, the top surface of the supporting seat is fixedly connected with a guide cylinder, the guide rod is corresponding to the guide cylinder and is in sliding connection, when the movable plate moves, the guide rod and the guide cylinder are matched with each other, so that the movable plate is prevented from being inclined when moving.

[0006] Preferably, the inside of the supporting seat is provided with a motor, the output shaft end of the motor is fixedly connected with a worm, the worm is corresponding to and meshed with a worm gear, the side wall of the motor is provided with a base, the base is fixed with the inner wall of the supporting seat, the side wall of the supporting seat is provided with a heat dissipation hole, the heat dissipation hole is corresponding to the motor, the motor is installed through the base, when the plate needs to be positioned, the plate is placed between the movable plate and the fixed plate, and the side wall of the plate is in contact with the side wall of the fixed plate, then according to the distance between the movable plate and the plate, the threaded cylinder is twisted first, the threaded cylinder and the screw rod are matched with each other to shorten the distance between the positioning plate and the plate, so that the maximum stroke of the cam cannot make the positioning plate and the plate closely contact, then the motor is started, the worm is rotated under the action of the output shaft of the motor, the worm and the worm gear are meshed with each other, so that the rotating shaft is rotated, and then the cam is rotated to push the movable plate, until the side wall of the positioning plate and the plate are closely contacted, at this time, the plate can be positioned under the limitation of the positioning plate and the fixed plate, so that the plate is prevented from moving longitudinally when milling.

[0007] Preferably, the bottom end of the threaded column is fixedly connected with a limiting disc, the limiting disc is located in the large notch of the stepped groove, the threaded column is located in the small notch of the stepped groove, the side wall of the threaded column is threadedly connected with a nut, the nut is located above the supporting seat, after the longitudinal positioning of the plate is completed, according to the length of the plate, a suitable stepped groove is selected, the limiting disc and the threaded column are placed in the stepped groove, and the position of the threaded column is adjusted, so that the limiting disc corresponds to the two sides of the end face of the plate, then the nut is screwed, the adjusted movable block is limited and fixed through the cooperation of the nut and the threaded column, the rod end of the lead screw is fixedly connected with a knob, the knob is screwed, the lead screw is rotated, and the limiting disc is in close contact with the end face of the plate through the cooperation of the lead screw and the movable block, so that the plate is positioned, and it should be noted that the limiting disc should be avoided to affect the drilling operation when the end face of the plate is positioned, after the milling operation of the plate is completed, that is, after the teeth of the plate are processed, the end face of the plate can be drilled and processed through the drill.

[0008] Compared with the prior art, the utility model has the advantages that good universality, when the plate is processed into a rack through milling and drilling operations, the positioning requirements of milling and drilling can be met at the same time, thereby forming an integrated tool, and the clamping frequency is reduced, the processing efficiency is improved, and the plate does not need to be disassembled and clamped multiple times when facing the milling and drilling processes, so that time is not wasted. ACCURACY OF DRAWINGS

[0009] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0010] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0011] Figure 2 It is a schematic diagram of the supporting seat structure of the present application.

[0012] Figure 3 It is a schematic diagram of the movable plate structure of the present application.

[0013] Figure 4 It is a schematic diagram of the movable block structure of the present application.

[0014] In the diagram: 1. Support; 2. Recess; 3. Slide rail; 4. Fixing plate; 5. Stepped groove; 6. Guide cylinder; 7. Heat dissipation hole; 8. Rotating shaft; 9. Worm gear; 10. Cam; 11. Motor; 12. Worm; 13. Base; 14. Movable plate; 15. Guide rod; 16. Screw; 17. Threaded cylinder; 18. Positioning plate; 19. Slider; 20. Threaded column; 21. Limiting plate; 22. Nut; 23. Movable block; 24. Lead screw; 25. Positioning plate; 26. Knob; 27. Plate. Detailed Implementation

[0015] 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.

[0016] Example: Figures 1-4 As shown, this utility model provides a positioning fixture for rack milling and drilling, including a support 1, a fixed plate 4 fixedly connected to the top surface of the support 1, a movable plate 14 slidably connected to the top surface of the support 1 and one side of the fixed plate 4, a rotating shaft 8 rotatably connected to the top surface of the support 1, a cam 10 fixedly connected to the upper part of the side wall of the rotating shaft 8, the cam 10 corresponding to and cooperating with the movable plate 14, a worm gear 9 fixedly connected to the lower part of the side wall of the rotating shaft 8, a screw 16 fixedly connected to the side of the movable plate 14 facing the fixed plate 4, a threaded cylinder 17 threadedly connected to the side wall of the screw 16, a positioning plate 18 fixedly connected to the end face of the threaded cylinder 17, stepped grooves 5 provided on both sides of the top surface of the support 1, a threaded post 20 provided in the groove of the stepped groove 5, a movable block 23 fixedly connected to the top of the threaded post 20, a lead screw 24 threadedly connected to the side wall of the movable block 23, and a positioning plate 25 fixedly connected to the end of the lead screw 24.

[0017] The top surface of the support 1 is provided with a notch 2, and the inner wall of the notch 2 is fixedly connected to a slide rail 3. The bottom surfaces of the movable plate 14 are fixedly connected to sliders 19 on both sides, and the sliders 19 correspond to and are slidably connected to the slide rail 3.

[0018] By adopting the above technical scheme, the top surface of the supporting seat 1 is provided with the plate 27, the plate 27 is used for processing into a rack, when the plate 27 is positioned, the plate 27 is placed between the movable plate 14 and the fixed plate 4, the motor 11 is started, the worm 12 rotates under the action of the output shaft of the motor 11, the worm 12 and the worm gear 9 are meshed, so that the rotating shaft 8 can rotate, and then the cam 10 can rotate, so as to push the movable plate 14, and through the cooperation of the sliding block 19 and the sliding rail 3, the movable plate 14 can be moved stably.

[0019] The movable plate 14 is fixedly connected with the guide rod 15 on the side away from the fixed plate 4, and the top surface of the supporting seat 1 is fixedly connected with the guide cylinder 6, the guide rod 15 corresponds to the guide cylinder 6 and is slidably connected.

[0020] By adopting the above technical scheme, when the movable plate 14 moves, the cooperation of the guide rod 15 and the guide cylinder 6 can avoid the inclination of the movable plate 14 during movement.

[0021] The inside of the supporting seat 1 is provided with the motor 11, the output shaft end of the motor 11 is fixedly connected with the worm 12, the worm 12 corresponds to the worm gear 9 and is meshed, the side wall of the motor 11 is provided with the base 13, the base 13 is fixed with the inner wall of the supporting seat 1, and the side wall of the supporting seat 1 is provided with the heat dissipation hole 7 corresponding to the motor 11.

[0022] By adopting the above technical scheme, the motor 11 is installed through the base 13, when the plate 27 needs to be positioned, the plate 27 is placed between the movable plate 14 and the fixed plate 4, and the side wall of the plate 27 is in contact with the side wall of the fixed plate 4, then according to the distance between the movable plate 14 and the plate 27, the threaded cylinder 17 is first screwed, the threaded cylinder 17 and the screw rod 16 are matched, so as to shorten the distance between the positioning plate 18 and the plate 27, so as to avoid that the maximum stroke of the cam 10 cannot make the positioning plate 18 and the plate 27 closely contact, then the motor 11 is started, the worm 12 rotates under the action of the output shaft of the motor 11, the worm 12 and the worm gear 9 are meshed, so that the rotating shaft 8 can rotate, and then the cam 10 can rotate, so as to push the movable plate 14, until the side wall of the positioning plate 18 and the plate 27 are closely contacted, at this time, the plate 27 can be positioned under the limitation of the positioning plate 18 and the fixed plate 4, so as to avoid that the plate 27 moves longitudinally when the plate 27 is milled.

[0023] The bottom end of the threaded column 20 is fixedly connected with the limiting disc 21, the limiting disc 21 is located in the large slot of the stepped groove 5, the threaded column 20 is located in the small slot of the stepped groove 5, the side wall of the threaded column 20 is threadedly connected with the nut 22, and the nut 22 is located above the supporting seat 1.

[0024] By adopting the above technical scheme, after the longitudinal positioning of the plate 27 is completed, according to the length of the plate 27, the appropriate stepped groove 5 is selected, the limiting disc 21 and the threaded column 20 are placed in the stepped groove 5, and the position of the threaded column 20 is adjusted, so that the positioning disc 25 corresponds to the two sides of the end face of the plate 27, then the nut 22 is screwed, the limiting and fixing of the adjusted movable block 23 are carried out through the mutual cooperation of the nut 22 and the threaded column 20, the knob 26 is fixedly connected to the rod end of the lead screw 24, the lead screw 24 is rotated by screwing the knob 26, the positioning disc 25 is in close contact with the end face of the plate 27 through the mutual cooperation of the lead screw 24 and the movable block 23, so that the plate 27 is positioned, and it should be noted that when the end face of the plate 27 is positioned, the positioning disc 25 should be avoided to affect the drilling operation, after the milling operation of the plate 27 is completed, that is, after the tooth processing of the plate 27 is completed, the end face of the plate 27 can be drilled and processed by the drill.

[0025] Working principle: when the plate 27 needs to be positioned to be processed into a rack through milling and drilling operation, the plate 27 is placed between the movable plate 14 and the fixed plate 4, and the side wall of the plate 27 is in contact with the side wall of the fixed plate 4, then according to the distance between the movable plate 14 and the plate 27, the threaded cylinder 17 is screwed first, the distance between the positioning plate 18 and the plate 27 is shortened through the mutual cooperation of the threaded cylinder 17 and the screw rod 16, so that the maximum stroke of the cam 10 cannot make the positioning plate 18 and the plate 27 in close contact;

[0026] Then, the motor 11 is started, the worm 12 rotates under the action of the output shaft of the motor 11, the rotating shaft 8 is rotated through the mutual engagement of the worm 12 and the worm gear 9, and then the cam 10 is rotated to push the movable plate 14, until the positioning plate 18 and the side wall of the plate 27 are in close contact, at this time, the plate 27 can be positioned under the limitation of the positioning plate 18 and the fixed plate 4, so as to avoid longitudinal movement of the plate 27 during milling;

[0027] Then, according to the length of the plate 27, the appropriate stepped groove 5 is selected, the limiting disc 21 and the threaded column 20 are placed in the stepped groove 5, and the position of the threaded column 20 is adjusted, so that the positioning disc 25 corresponds to the two sides of the end face of the plate 27, then the nut 22 is screwed, the adjusted movable block 23 is fixed by the cooperation of the nut 22 and the threaded column 20, the knob 26 is fixedly connected to the rod end of the lead screw 24, the knob 26 is screwed, the lead screw 24 is rotated, the positioning disc 25 is in close contact with the end face of the plate 27 by the cooperation of the lead screw 24 and the movable block 23, and the plate 27 is transversely positioned, so that after the milling of the plate 27 is completed, after the tooth processing of the plate 27 is completed, the end face of the plate 27 can be drilled by the drill, and it should be noted that when the end face of the plate 27 is positioned, the positioning disc 25 should be avoided to affect the drilling operation.

[0028] The standard parts used in the present application can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0029] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Therefore, if these modifications and variations of the present application belong to the scope of the claims of the present application and the equivalent technology, the present application also intends to include these modifications and variations.

Claims

1. A positioning tool for rack milling, comprising a supporting seat (1), characterized in that: The top surface of the supporting seat (1) is fixedly connected with a fixed plate (4), the top surface of the supporting seat (1) and on one side of the fixed plate (4) is slidably connected with a movable plate (14), the top surface of the supporting seat (1) is rotatably connected with a rotating shaft (8), the upper part of the side wall of the rotating shaft (8) is fixedly connected with a cam (10), the cam (10) corresponds to and cooperates with the movable plate (14), the lower part of the side wall of the rotating shaft (8) is fixedly connected with a worm wheel (9), one side of the movable plate (14) towards the fixed plate (4) is fixedly connected with a screw rod (16), the side wall of the screw rod (16) is threadedly connected with a threaded cylinder (17), the end surface of the threaded cylinder (17) is fixedly connected with a positioning plate (18), both sides of the top surface of the supporting seat (1) are provided with stepped grooves (5), the groove opening of the stepped groove (5) is provided with a threaded column (20), the top end of the threaded column (20) is fixedly connected with a movable block (23), the side wall of the movable block (23) is threadedly connected with a lead screw (24), the rod end of the lead screw (24) is fixedly connected with a positioning disc (25).

2. A positioning fixture for rack milling as claimed in claim 1, characterized in that The top surface of the supporting seat (1) is provided with a notch (2), the inner wall of the notch (2) is fixedly connected with a sliding rail (3).

3. A positioning fixture for rack milling as claimed in claim 2, wherein, Both sides of the bottom surface of the movable plate (14) are fixedly connected with sliding blocks (19), the sliding blocks (19) correspond to and are slidably connected with the sliding rails (3).

4. A positioning fixture for rack milling as claimed in claim 1, wherein, One side of the movable plate (14) away from the fixed plate (4) is fixedly connected with a guide rod (15), the top surface of the supporting seat (1) is fixedly connected with a guide cylinder (6), the guide rod (15) corresponds to and is slidably connected with the guide cylinder (6).

5. A positioning fixture for rack milling as claimed in claim 1, wherein, The inside of the supporting seat (1) is provided with a motor (11), the output shaft end of the motor (11) is fixedly connected with a worm (12), the worm (12) corresponds to and is engaged with the worm wheel (9).

6. A positioning fixture for rack milling as claimed in claim 5, wherein, The side wall of the motor (11) is provided with a base (13), the base (13) is fixed with the inner wall of the supporting seat (1), the side wall of the supporting seat (1) is provided with a heat dissipation hole (7), the heat dissipation hole (7) corresponds to the motor (11).

7. A positioning fixture for rack milling as defined in claim 1, wherein The bottom end of the threaded column (20) is fixedly connected with a limiting disc (21), the limiting disc (21) is located in the large groove opening of the stepped groove (5), the threaded column (20) is located in the small groove opening of the stepped groove (5), the side wall of the threaded column (20) is threadedly connected with a nut (22), the nut (22) is located above the supporting seat (1).

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