Machining device for positioning sleeve

Abstract

The utility model relates to a machining device for positioning sleeves, which comprises a surface grinding machine and a clamp arranged on the surface grinding machine, the clamp comprises a base, a plurality of placing grooves used for placing the sleeves are arranged on the base, and a pressing plate used for preventing the sleeves from shaking up and down is arranged above the placing grooves. The pressing plate is detachably connected with the base through a first fastening piece, one end of the imbedding groove is a positioning end, a positioning piece used for preventing the sleeve from rotating is arranged at the end, corresponding to the positioning end, of the base, and the positioning piece is detachably connected with the base. By the adoption of the technical scheme, compared with an existing mode that a milling machine is adopted for milling, milling is replaced with grinding, a plurality of sleeves can be machined at the same time by moving one grinding wheel for grinding, efficiency is high, cost is low, the grinding wheel is used for plane grinding, abrasion resistance is high, the service life is long, and stability is high; the positioning pieces are tightly connected with the base and the sleeves, the multiple sleeves are rigidly connected into a whole, a stable and continuous grinding path is provided for the grinding wheel, and ultrahigh flatness and extremely low surface roughness are stably obtained.

Description

TECHNICAL FIELD

[0001] The utility model relates to sleeve processing technical field especially relates to a processing device of positioning sleeve. BACKGROUND

[0002] In the precise stamping, injection molding or die casting mould, the movable part is guided reset through the positioning sleeve, and the positioning sleeve itself is prevented from rotating through the multiple rotation-stopping planes on the end thereof cooperating with the mould, the prior art is that the positioning sleeve is clamped through the universal index chuck, then the rotation-stopping planes are formed through milling, the workpiece angle is adjusted through the dial calibration and then secondary milling is carried out, the above steps are repeated according to the number of rotation-stopping planes, then the internal stress generated by milling needs to be eliminated through heat treatment, the processing precision requirement is high, the processing is difficult, and the efficiency is low. SUMMARY

[0003] In view of the above, in order to overcome the defects of the prior art, the utility model provides a processing device of positioning sleeve.

[0004] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a processing device of positioning sleeve, including surface grinder and the clamp that sets up on surface grinder, the clamp includes base, a plurality of for placing sleeve's built-in slot is arranged on the base, the built-in slot top is provided with the pressure plate for preventing the up and down of sleeve Shake, the pressure plate is detachably connected through the first fastener between the base, one end of the built-in slot is the positioning end, the base one end corresponding the positioning end is provided with the positioning piece for preventing the rotation of sleeve, the positioning piece is detachably connected with the base.

[0005] Through the above technical scheme, the sleeve is fixed through the clamp, and the rotation of the sleeve is prevented through the positioning piece, then the rotation-stopping plane of the sleeve is formed through the surface grinding of one end of the sleeve through the surface grinder, compared with the milling of the existing milling machine, the utility model technical scheme "milling instead of grinding", one grinding wheel moves for grinding can process multiple sleeves at the same time, the efficiency is high, the cost is low, the surface grinding uses the grinding wheel, and the wear resistance is much higher than that of the milling cutter, the service life is long, and the stability is high; the positioning piece is closely connected with the base and the sleeve, rigidly connects multiple sleeves into a whole, provides a stable and continuous grinding path for the grinding wheel, so that the super-high flatness and the extremely low surface roughness can be stably obtained.

[0006] The utility model further sets up: the positioning piece includes the installation inner hole that is matched with the sleeve outer diameter, the second fastener that is used for connecting the sleeve and the positioning piece is arranged between the positioning piece and the sleeve, the positioning hole that is matched with the second fastener and is communicated with the installation inner hole is arranged on the outer periphery of the positioning piece, the second fastener abuts against the sleeve in the installation inner hole through the positioning hole, and the second fastener is screw connected with the positioning hole.

[0007] By adopting the technical scheme, the sleeve is connected with the positioning member through cooperation of the positioning member and the second fastener, and the positioning member is detachably connected with the base, when the positioning member is connected with the base, the positioning member cannot rotate, thereby ensuring that the sleeve cannot rotate in the grinding process, the horizontal feed of the grinding wheel can grind all end faces of the sleeves at one time, and the angles of the rotation-stopping planes of all sleeves are completely consistent without error; in the plane grinding, the tangential force (torque) applied by the grinding wheel to the end face of the sleeve is much larger than that in milling, the existing clamp can prevent the workpiece from moving radially, but it is difficult to resist the circumferential torque, in the technical scheme, the second fastener directly presses the outer circle of the sleeve through the positioning hole, thereby forming point-to-point rigid mechanical locking, and any slight rotation of the sleeve in the grinding process is completely eliminated, and the angle of the processing surface is absolutely stable

[0008] The utility model further sets up: the positioning member outer periphery evenly is provided with a plurality of for preventing positioning member rotation's clamping groove, positioning block that positioning member below is provided with with base detachable connection, positioning block on be provided with with clamping groove Adapted card part, positioning member is connected with positioning block through clamping groove and card part.

[0009] By adopting the technical scheme, the cooperation of the card part and the clamping groove ensures that the angle of the positioning member relative to the base (i.e. relative to the grinding wheel feed direction of the surface grinder) is absolutely consistent every time the positioning member is installed, and the angle error of the reference surface caused by installation is eliminated, secondly, the clamping of the clamping groove and the card part can directly and rigidly transmit the grinding torque to the base, which has orders of magnitude improvement compared with the anti-torque ability of only relying on friction or a single screw, and fundamentally eliminates the possibility of slight rotation of the entire positioning member assembly during processing;After grinding a rotation-stopping plane is completed, the sleeve and the positioning member do not need to be separated, only need to loosen the pressing plate, move the positioning member to separate the clamping groove and the card part, then rotate the positioning member to drive the sleeve to rotate, align the adjacent clamping groove and the card part for clamping, and then tighten the pressing plate, without the need for fine adjustment or the use of a gauge to correct the angle of the sleeve, the positioning processing is convenient, fast and accurate, the adjustment and change type time of the clamp is greatly shortened, and the machining and forming of multiple rotation-stopping planes of the positioning sleeve are facilitated.

[0010] The utility model further sets up: the length of the card part is greater than the depth of the clamping groove, the positioning block is provided with an adjusting through hole for the third fastener to pass through, the base is provided with an assembly hole matched with the third fastener, and the height of the positioning block can be adjusted up and down through the adjusting through hole.

[0011] By adopting the technical scheme, the positioning block can move up and down through adjusting the position adjustment of the through hole and the assembly hole, thereby adjusting the height difference between the insertion groove and the positioning piece clamping groove, replacing the positioning piece, and adapting to different specifications of the sleeve, so that the applicability is wider, the use is simple and convenient, and the stability is high.

[0012] The utility model further sets up: the insertion groove is V type groove, the insertion groove groove bottom is provided with the chip removal channel for collecting the impurity in the insertion groove.

[0013] By adopting the technical scheme, the V type groove stably clamps the cylindrical workpiece in a certain diameter range, for the positioning sleeve of different outer diameter specifications, without replacing the fixture base, only need to adjust the spacing between the pressing plate and the insertion groove through the first fastener, and lock between the pressing plate and the base to stably clamp, greatly enhance the versatility of the device, reduce the tooling cost of multi-specification production, the V type groove can automatically center the positioning sleeve, ensure that the position height of each sleeve is consistent in the horizontal direction, so that the depth of the ground stop rotation plane is uniform, the residual grinding dust falls into the chip removal channel in the groove bottom along the V type groove, avoid embedding or scratching the outer circular surface of the sleeve and the precision working surface of the V type groove in the pressing process of the workpiece and the V type groove, and facilitate quick cleaning, maintain the stability of processing.

[0014] The utility model further sets up: two are a group every two of the insertion groove, the pressing plate includes multiple short boards, the short board sets up in every group insertion groove top, the short board center is provided with the installation hole with first fastener adaptation, every group two insertion grooves middle are provided with the connecting hole with first fastener screw connection, the short board length is greater than the axial spacing between every group two sleeves.

[0015] By adopting the technical scheme, the single large pressing plate has large area, if the base plane or the pressing plate itself has slight flatness error, deformation is easy to produce when the fastener is tightened, leading to uneven pressure of the workpiece on both ends of the pressing plate, the short board has small size and good rigidity, and is not easy to deform, so that the pressure can be uniformly applied to the two sleeves covered thereby, each short board is independently installed and fastened, so that the adaptability to the individual size dispersion of the workpiece is greatly enhanced, each workpiece can be reliably pressed, independent adjustment is facilitated, the stability is high, maintenance and replacement are facilitated, according to the processing needs, part of the short boards can be used to clamp a small amount of workpieces, instead of installing the whole large pressing plate, and the operation is flexible.

[0016] The specific implementation of the utility model is described below in combination with the drawings and examples. DRAWINGS

[0017] Figure 1 The utility model is a schematic view of the embodiment.

[0018] Figure 2 The utility model is a three-dimensionalFigure One .

[0019] Figure 3 The utility model discloses a three -dimensional Figure Two .

[0020] Figure 4 The utility model discloses a sectional view.

[0021] Reference Signs: 1. surface grinder, 11. grinding wheel, 2. clamp, 21. base, 211. insert slot, 2111. positioning end, 212. assembly hole, 213. chip removal channel, 214. connecting hole, 22. pressing plate, 221. mounting hole, 3. first fastener, 4. positioning piece, 41. mounting inner hole, 42. positioning hole, 43. clamping groove, 5. second fastener, 6. positioning block, 61. clamping part, 62. adjusting through hole, 7. third fastener, 8. positioning sleeve, 81. rotation-stopping plane. DETAILED DESCRIPTION

[0022] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model, and a person skilled in the art can make a modification without creative contribution to the embodiment according to needs after reading the specification, but as long as in the utility model claim range, it is protected by the patent law.

[0023] Reference Signs: 1. surface grinder, 11. grinding wheel, 2. clamp, 21. base, 211. insert slot, 2111. positioning end, 212. assembly hole, 213. chip removal channel, 214. connecting hole, 22. pressing plate, 221. mounting hole, 3. first fastener, 4. positioning piece, 41. mounting inner hole, 42. positioning hole, 43. clamping groove, 5. second fastener, 6. positioning block, 61. clamping part, 62. adjusting through hole, 7. third fastener, 8. positioning sleeve, 81. rotation-stopping plane. Figures 1-4 The embodiment discloses a positioning sleeve machining device, which comprises a surface grinder 1 and a clamp 2 arranged on the surface grinder 1, the clamp 2 comprises a base 21, a plurality of insert slots 211 for placing sleeves are arranged on the base 21, a pressing plate 22 for preventing the sleeves from shaking up and down is arranged above the insert slots 211, the pressing plate 22 and the base 21 are detachably connected through a first fastener 3, one end of the insert slots 211 is a positioning end 2111, the base 21 is provided with a positioning piece 4 for preventing the sleeves from rotating at one end corresponding to the positioning end 2111, and the positioning piece 4 is detachably connected with the base 21.

[0024] The embodiment further comprises that the positioning piece 4 comprises a mounting inner hole 41 matched with the outer diameter of the sleeve, a second fastener 5 for connecting the sleeve with the positioning piece 4 is arranged between the positioning piece 4 and the sleeve, a positioning hole 42 matched with the second fastener 5 and communicating with the mounting inner hole 41 is arranged on the outer periphery of the positioning piece 4, the second fastener 5 abuts against the sleeve in the mounting inner hole 41 by penetrating through the positioning hole 42, and the second fastener 5 is in threaded connection with the positioning hole 42.

[0025] The embodiment is further provided with: the positioning member 4 is uniformly provided with a plurality of clamping grooves 43 for preventing the rotation of the positioning member 4; the positioning member 4 is provided below with a positioning block 6 which is detachably connected with the base 21; the positioning block 6 is provided with clamping portions 61 which are matched with the clamping grooves 43; and the positioning member 4 is clamped with the positioning block 6 through the clamping grooves 43 and the clamping portions 61.

[0026] The embodiment is further provided with: the length of the clamping portion 61 is greater than the depth of the clamping groove 43; the positioning block 6 is provided with an adjusting through hole 62 through which the third fastener 7 passes; the base 21 is provided with an assembly hole 212 which is matched with the third fastener 7; and the height of the positioning block 6 can be adjusted up and down through the adjusting through hole 62.

[0027] The embodiment is further provided with: the embedding groove 211 is a V-shaped groove; and the embedding groove 211 is provided at the bottom with a chip removal channel 213 for collecting impurities in the embedding groove 211.

[0028] The embodiment is further provided with: the embedding groove 211 is in a group of two; the pressing plate 22 comprises a plurality of short plates; the short plates are arranged above each group of embedding grooves 211; the center of each short plate is provided with an installation hole 221 which is matched with the first fastener 3; each group of two embedding grooves 211 is provided with a connecting hole 214 which is threadedly connected with the first fastener 3; and the length of each short plate is greater than the axial distance between two sleeves in each group.

[0029] In the description of the utility model, it needs to explain that, the position or location relationship indicated by the terms "upper", "lower" and the like is based on the position or location relationship shown in the drawings, wherein, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a specific position, a specific position structure and operation, and the above-mentioned "between" does not only refer to the position, location, but also includes the meaning of the interaction between different parts.

[0030] Although the terms "planar grinding machine 1", "clamp 2", "base 21", "embedding groove 211", "positioning end 2111", "assembly hole 212", "chip removal channel 213", "connecting hole 214", "pressing plate 22", "installation hole 221", "first fastener 3", "positioning member 4", "installation inner hole 41", "positioning hole 42", "clamping groove 43", "second fastener 5", "positioning block 6", "clamping portion 61", "adjusting through hole 62", "third fastener 7" and the like are used more in this paper, but the possibility of using other terms is not excluded. Using these terms is only to more conveniently describe and explain the essence of the utility model; it is contrary to the spirit of the utility model to interpret them as any kind of additional limitation.

Claims

1. A machining device for a positioning sleeve, characterized in that: The utility model provides a plane grinder and clamp set on the plane grinder, the clamp includes the base, a plurality of insertion grooves for placing sleeves are arranged on the base, a pressing plate for preventing the sleeves from shaking up and down is arranged above the insertion grooves, the pressing plate is detachably connected with the base through a first fastener, one end of the insertion groove is a positioning end, one end corresponding to the positioning end of the base is provided with a positioning piece for preventing the sleeves from rotating, and the positioning piece is detachably connected with the base.

2. A device for machining a positioning sleeve according to claim 1, characterized in that: The positioning piece includes a mounting inner hole matched with the outer diameter of the sleeve, a second fastener for connecting the sleeve with the positioning piece is arranged between the positioning piece and the sleeve, a positioning hole matched with the second fastener and communicating with the mounting inner hole is arranged on the outer periphery of the positioning piece, the second fastener abuts against the sleeve in the mounting inner hole through the positioning hole, and the second fastener is screw-connected with the positioning hole.

3. A device for machining a positioning sleeve according to claim 2, characterized in that: A plurality of clamping grooves for preventing the positioning piece from rotating are uniformly arranged on the outer periphery of the positioning piece, a positioning block detachably connected with the base is arranged below the positioning piece, a clamping portion matched with the clamping groove is arranged on the positioning block, and the positioning piece is clamped with the positioning block through the clamping groove and the clamping portion.

4. A device for machining a positioning sleeve according to claim 3, characterized in that: The length of the clamping portion is greater than the depth of the clamping groove, an adjusting through hole through which a third fastener passes is arranged on the positioning block, an assembly hole matched with the third fastener is arranged on the base, and the height of the positioning block can be adjusted up and down through the adjusting through hole.

5. The apparatus of claim 1 wherein: The insertion groove is a V-shaped groove, and a chip removal channel for collecting impurities in the insertion groove is arranged at the bottom of the insertion groove.

6. The apparatus of claim 1 wherein: Every two insertion grooves form a group, the pressing plate includes a plurality of short plates, the short plates are arranged above every group of insertion grooves, a mounting hole matched with the first fastener is arranged at the center of the short plate, a connecting hole screw-connected with the first fastener is arranged between every two insertion grooves in each group, and the length of the short plate is greater than the axial distance between every two sleeves in each group.

Images