A fixture

Abstract

The application discloses a fixing device. The device comprises a tool body made of hard material, the inside of the tool body is a cavity, the cavity is an I-shaped structure, a plurality of blind holes are arranged on the top surface of the cavity for placing parts to be processed, a clamping groove is arranged on the bottom of the cavity for placing a support plate, threaded holes are arranged on the support plate for allowing jacking bolts to pass through and jack up the parts to be processed, and a base is arranged on the bottom of the tool body and fixedly connected with the tool body. In the application, a plurality of axial and radial limiting mechanisms, i.e. blind holes and jacking bolts, are arranged in the cavity of the device, a batch of parts to be processed can be clamped and fixed at one time, and then unified processing is carried out, so that the processing efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of machining, in particular to a fixing device. BACKGROUND

[0002] A series of aluminum parts, the diameter is The height is 10-15mm, and a groove with a width of 2mm and a depth of 2mm is required to be machined in the middle position of one end face of the aluminum part. Since the part is small, clamping and positioning are difficult.

[0003] In the prior art, the outer circle of the part is clamped by a small flat-nose pliers for machining such parts. However, the clamping scheme has the following disadvantages: only one part can be clamped at a time, and after the machining is completed, the next part is clamped after being removed, and each part needs to be individually centered after being clamped, which is low in machining efficiency.

[0004] In view of the problem of low machining efficiency of the prior art that the outer circle of the part is clamped by a small flat-nose pliers, an effective solution has not been proposed. SUMMARY

[0005] The fixing device provided in the embodiments of the present application solves the problem of low machining efficiency of the prior art that the outer circle of the part is clamped by a small flat-nose pliers.

[0006] To achieve the above-mentioned purpose, the present application provides a fixing device, which comprises: a tool main body made of hard material, the inside of the tool main body is a cavity; the cavity is an I-shaped structure; a plurality of blind holes are arranged on the top surface of the cavity for placing the parts to be machined; a clamping groove is arranged at the bottom of the cavity for placing a support plate; a threaded hole is arranged on the support plate for the jacking bolt to pass through and jack up the part to be machined; and a base is arranged at the bottom of the tool main body and fixedly connected with the tool main body.

[0007] Optionally, it further comprises a guide sleeve; the guide sleeve is arranged in the blind hole; the outer surface of the guide sleeve is in close contact with the inner surface of the blind hole; and the inner surface of the guide sleeve is in close contact with the outer surface of the part to be machined.

[0008] Optionally, the outer diameters of all the guide sleeves are equal; and the inner diameters of all the guide sleeves are provided with a plurality of inner diameters for adapting to a plurality of different diameters of the parts to be machined.

[0009] Optionally, it further comprises a fastener; the fastener is an inner hexagonal wrench for tightening the jacking bolt to make the jacking bolt jack up the part to be machined.

[0010] Optionally, one end of the base is an open end for the inner hexagonal wrench to extend into.

[0011] Optionally, a groove is arranged on the top surface of the tool body; the top surface of the groove is an open structure, the bottom surface of the groove is an open structure relative to the position of the blind hole; and the width of the groove is greater than the diameter of the part to be machined.

[0012] Optionally, the central axis of the groove, the central axis of the blind hole and the central axis of the threaded hole coincide.

[0013] Optionally, both ends of the clamping groove are open ends, and the open ends of the clamping groove extend to both sides of the tool body and form an open structure.

[0014] Optionally, a plurality of top nuts are arranged, and the plurality of top nuts correspond one-to-one to the plurality of parts to be machined.

[0015] Optionally, the tool body is a metal member, and the tool body is an integral structure; and the tool body is made of stainless steel or aluminum alloy.

[0016] The beneficial effects of the present application are:

[0017] The present application provides a fixing device, which comprises: a tool body made of hard material, the inside of the tool body is a cavity; the cavity is an I-shaped structure; a plurality of blind holes are arranged on the top surface of the cavity for placing parts to be machined; a clamping groove is arranged at the bottom of the cavity for placing a support plate; a threaded hole is arranged on the support plate for the top nut to pass through and tighten the part to be machined; and a base is arranged at the bottom of the tool body and fixedly connected with the tool body. In the present application, a plurality of axial and radial limiting mechanisms, i.e. blind holes and top nuts, are arranged in the cavity of the device, so that a batch of parts to be machined can be clamped and fixed at one time and then processed uniformly, thereby improving the processing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a front view of a fixing device provided by an embodiment of the present application;

[0019] Figure 2 is a side view of a fixing device provided by an embodiment of the present application;

[0020] Figure 3 is a perspective view of a fixing device provided by an embodiment of the present application.

[0021] SYMBOL DESCRIPTION:

[0022] Tool main body-1, base-2, support plate-3, parts to be processed-4, guide sleeve-5, jacking bolt-6, groove-7. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be described in further detail below with reference to the drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0024] A series of aluminum parts, the diameter is The height is 10-15mm, and a groove with a width of 2mm and a depth of 2mm is required to be machined in the middle position of one end face of the aluminum part. Since the part is small, clamping and positioning are difficult.

[0025] In the prior art, such parts are machined by using a radial clamping scheme, that is, a small flat tongs is used to clamp the outer circle of the part. However, the clamping scheme has the following disadvantages: only one part can be clamped at a time, and after the machining is completed, the next part is clamped after being unloaded, and after each part is clamped, the center needs to be individually found, and the machining efficiency is low.

[0026] Therefore, the present application designs a fixing device with a I-shaped groove structure, Figure 1 is a front view of the fixing device provided by the embodiment of the present application; Figure 2 is a side view of the fixing device provided by the embodiment of the present application; Figure 3 is a perspective view of the fixing device provided by the embodiment of the present application; as Figure 1 、 Figure 2 、 Figure 3 shown, the device comprises:

[0027] 1. A tool main body 1, the tool main body 1 is made of hard material, which can be a high polymer material (such as ABS, polyamide, etc.), or a metal material (such as stainless steel, aluminum alloy, etc.), the tool main body 1 adopts a cuboid structure design as a whole, the tool main body 1 is an integral structure, and the inside of the tool main body 1 is a cavity; the cavity is a I-shaped structure; a row of flat-bottomed blind holes with steps is pre-drilled on the top surface of the cavity, the top of the blind hole is a closed end, and the bottom of the blind hole is an open end, used for placing a part to be processed 4 (in the present application, the part to be processed 4 is an aluminum part with a diameter of Aluminum columnar parts with a height of 10-15mm); a clamping groove is arranged at the bottom of the cavity for placing a support plate 3, both ends of the clamping groove are open ends, and the open ends of the clamping groove extend to both sides (left side and right side) of the tool main body 1 and form an open structure. The clamping groove is preferably a rectangular groove, in order to improve the machining precision of the to-be-machined part 4, the support plate 3 should be placed as horizontally as possible in the clamping groove. The to-be-machined part 4 placed in the blind hole may move axially, in order to axially limit the to-be-machined part 4 and avoid the axial movement of the to-be-machined part 4, the support plate 3 is provided with a threaded hole for the jacking bolt 6 to pass through and jacking the to-be-machined part 4. Specifically, the jacking bolt 6 is provided with a plurality of jacking bolts 6 corresponding to a plurality of to-be-machined parts 4.

[0028] 2, the base 2 is arranged at the bottom of the tool main body 1 and is fixedly connected with the tool main body 1.

[0029] The fixing device further comprises a fastener, which is an inner hexagonal wrench, used to tighten the jacking bolt 6 so that the jacking bolt 6 jacks up the to-be-machined part 4.

[0030] Further, one end (rear side) of the base 2 is an open end for the inner hexagonal wrench to extend into. The bottom surface of the base 2 is a horizontal surface, in order to ensure the machining quality of the to-be-machined part 4, the base 2 should be placed as horizontally as possible.

[0031] In an optional embodiment, the fixing device further comprises a guide sleeve 5; the guide sleeve 5 is arranged in the blind hole; the outer surface of the guide sleeve 5 is in close contact with the inner surface of the blind hole; the inner surface of the guide sleeve 5 is in close contact with the outer surface of the to-be-machined part 4. The outer diameters of all the guide sleeves 5 are equal; the inner diameters of all the guide sleeves 5 are provided with a plurality of inner diameters for adapting to a plurality of to-be-machined parts 4 with different diameters. In the specific implementation process, the corresponding guide sleeve 5 can be replaced according to the different diameters of the to-be-machined part 4.

[0032] Further, the guide sleeve 5 can be made of metal material (for example, stainless steel, aluminum alloy, etc.), in the embodiment in which the guide sleeve 5 is made of metal material, in order to avoid the problem of structural damage caused by hard contact between the to-be-processed part 4 and the guide sleeve 5, the application can be provided with a protective layer made of high polymer material (hardness is less than that of the to-be-processed part 4) on the inner side surface of the guide sleeve 5, for example, a polyamide sheet part, when the to-be-processed part 4 is placed into the guide sleeve 5, the to-be-processed part 4 is in contact with the protective layer, so that the problem of part damage caused by metal-metal contact can be avoided. Of course, the protective layer can also effectively avoid the problem of structural deformation or damage of the guide sleeve 5, and prolong the service life of the guide sleeve 5.

[0033] In the application, a groove 7 is arranged on the top surface of the tool main body 1; the top surface of the groove 7 is of an open structure, and the bottom surface of the groove 7 is of an open structure at the position of the blind hole; and the width of the groove 7 is greater than the diameter of the to-be-processed part 4. In the application, the groove 7 is arranged to avoid contact between the tool and the fixing device when machining the groove on the top surface of the to-be-processed part 4.

[0034] The central axis of the groove 7, the central axis of the blind hole and the central axis of the threaded hole coincide.

[0035] The application will be described below through a specific example:

[0036] 1. The supporting plate 3 is first pulled out of the clamping groove of the cavity;

[0037] 2. The to-be-processed part 4 is placed into the guide sleeve 5 of the blind hole in sequence (different guide sleeves 5 can be replaced according to the different diameters of the to-be-processed part 4);

[0038] 3. After the supporting plate 3 is placed back into the clamping groove of the cavity, the jacking bolt 6 is sequentially inserted through the threaded hole of the supporting plate 3, and is tightened through the internal hexagonal wrench, so that the jacking bolt 6 jacks up the to-be-processed part 4, and the reliable fixation of the to-be-processed part 4 is realized;

[0039] 4. The groove 7 on the tool main body 1 is aligned through the dial indicator, so that the tool center is aligned with the center of the groove 7, and then a groove with a width of 2 mm and a depth of 2 mm is machined on the top surface of the to-be-processed part 4.

[0040] The fixing device provided by the application realizes the reliable positioning of the to-be-processed part 4 in the axial and radial directions, and a plurality of to-be-processed parts 4 can be clamped at one time.

[0041] The application has the following beneficial effects:

[0042] The application provides a fixing device, which comprises a tool main body 1 made of hard material, the inside of the tool main body 1 is a cavity, the cavity is in the shape of an I-beam, a plurality of blind holes are arranged on the top surface of the cavity for placing parts to be processed 4, a clamping groove is arranged on the bottom of the cavity for placing a supporting plate 3, a threaded hole is arranged on the supporting plate 3 for allowing a jacking bolt 6 to pass through and jack up the part to be processed 4, and a base 2 is arranged on the bottom of the tool main body 1 and fixedly connected with the tool main body 1. In the application, a plurality of axial and radial limiting mechanisms, i.e. blind holes and jacking bolts 6, are arranged in the cavity of the device, a batch of parts to be processed 4 can be clamped and fixed at one time and then processed uniformly, and thus the processing efficiency is improved.

[0043] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the application, and not to limit them; although the application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the application.

Claims

1. A fixing device, characterized in that, include: The tooling body is made of rigid material and has a hollow interior. The cavity has an I-shaped structure; The top surface of the cavity is provided with multiple blind holes for placing the parts to be processed; the bottom of the cavity is provided with a slot for placing a detachable support plate; the support plate is provided with threaded holes for inserting a tightening bolt to tighten the parts to be processed. A base, which is disposed at the bottom of the tooling body and is fixedly connected to the tooling body; Guide sleeve; The guide sleeve is disposed within the blind hole; the outer surface of the guide sleeve is in contact with the inner surface of the blind hole; the inner surface of the guide sleeve is in contact with the outer surface of the part to be processed. All of the guide sleeves have the same outer diameter; all of the guide sleeves have multiple inner diameters to accommodate various parts to be processed with different diameters. A groove is provided on the top surface of the tooling body; the top surface of the groove is an open structure, and the bottom surface of the groove is an open structure relative to the blind hole; the width of the groove is greater than the diameter of the part to be processed.

2. The apparatus according to claim 1, characterized in that, Also includes: fastener; The fastener is an Allen wrench, used to tighten the top bolt so that the top bolt presses against the part to be processed.

3. The apparatus according to claim 2, characterized in that: One end of the base is an open end, which is used to allow the Allen wrench to be inserted.

4. The apparatus according to claim 1, characterized in that: The central axis of the groove, the central axis of the blind hole, and the central axis of the threaded hole coincide.

5. The apparatus according to claim 1, characterized in that: Both ends of the slot are open, and the open ends of the slot extend to both sides of the tooling body to form an open structure.

6. The apparatus according to claim 1, characterized in that: Multiple tightening bolts are provided, and each tightening bolt corresponds to one of the multiple parts to be processed.

7. The apparatus according to claim 1, characterized in that: The main body of the tooling is a metal component, and the main body of the tooling is an integral structure; The main body of the tooling is made of stainless steel or aluminum alloy.

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