Rack piece machining jig

Abstract

The utility model relates to the technical field of machining jigs, in particular to a rack piece machining jig which comprises a fixing plate, a machining groove is formed in the center of the fixing plate, a fixing structure is arranged at the top of the fixing plate, and the fixing structure comprises a first limiting plate and a second limiting plate. The two first limiting plates and the two second limiting plates are arranged at the top of the fixing plate, the first limiting plates and the second limiting plates are connected end to end to form a closed concentric-square-shaped structure, and replacement structures are arranged on the two sides of the first limiting plates and the two sides of the second limiting plates; the replacement structure comprises limiting piles and bolts, the limiting piles are fixedly connected to the four corners of the top of the fixing plate, limiting grooves are formed in one sides of the bottoms of the first limiting plate and the second limiting plate, and the limiting piles are clamped into the limiting grooves to be movably connected. The rack piece machining jig has the advantage that the first limiting plate and the second limiting plate can be replaced through the arranged replacement structure so that the rack piece machining jig can be suitable for machining rack pieces of different sizes.

Description

TECHNICAL FIELD

[0001] The utility model relates to processing fixture technical field especially relates to a rack piece processing fixture. BACKGROUND

[0002] The rack piece is a long strip part, usually by machining or forging processing, its surface has a series of equidistant tooth grooves, these tooth grooves are used to cooperate with gear, realize power transmission and torque conversion, the size, precision and material of rack piece have important influence on its transmission performance and service life, in the processing of rack piece, fixture plays a vital role, namely rack piece processing fixture;

[0003] The existing rack piece processing fixture is usually a whole metal plate, the recess of fixed size corresponding to the size of rack piece is set in the center, to place and fix rack piece for processing, the existing rack piece processing fixture is fixed structure, when the rack piece of different size needs to be processed, the whole processing fixture needs to be replaced, which is more troublesome and time-consuming.

[0004] Therefore, it is necessary to provide a new rack piece processing fixture to solve the above technical problems. SUMMARY

[0005] To solve the above technical problems, the utility model provides a rack piece processing fixture.

[0006] The rack piece processing fixture provided by the utility model comprises:

[0007] A fixing plate is provided with a processing groove in the center;

[0008] A fixing structure is arranged on the top of the fixing plate, the fixing structure comprises a first limiting plate and a second limiting plate, the two sides of the top of the fixing plate are provided with the first limiting plate, two groups of the first limiting plate and two groups of the second limiting plate are arranged on the top of the fixing plate, and the first limiting plate and the second limiting plate are connected in a head-to-tail mode to form a closed meander structure.

[0009] A replacement structure is arranged on the two sides of the first limiting plate and the second limiting plate, the replacement structure comprises a limiting post and a bolt, the four corners of the top of the fixing plate are fixedly connected with the limiting post, a limiting groove is arranged on one side of the bottom of the first limiting plate and the second limiting plate, the limiting post is movably connected by being clamped into the limiting groove, a threaded hole is arranged in the inner side of the four corners of the top of the fixing plate, a through hole is arranged on the other side of the top of the first limiting plate and the second limiting plate, the through hole is provided with the bolt, and the lower end of the bolt penetrates through the through hole and is engagedly connected to the threaded hole.

[0010] Preferably, the first limiting plate is provided with two groups and is arranged staggeredly, and the two sides of the rack piece can be limited by arranging the first limiting plate staggeredly.

[0011] Preferably, the second limiting plate is provided with two groups and is staggered, and the staggered second limiting plate can limit the two sides of the rack sheet.

[0012] Preferably, the outer side of the first limiting plate and the second limiting plate is fixedly connected with a handle, and the handle can be conveniently taken out of the first limiting plate and the second limiting plate.

[0013] Preferably, the bottom end of the processing groove is provided with an exhaust hole, and the exhaust hole is provided with two groups, and the exhaust hole can exhaust the sealed jig to facilitate taking out the rack sheet.

[0014] Preferably, the bottom four corners of the fixed plate are fixedly connected with mounting plates, and the mounting plates can align the jig to the mounting platform.

[0015] Preferably, the mounting plate is provided with a mounting hole, and the mounting hole can be mounted on the mounting platform.

[0016] Preferably, the inner side of the first limiting plate is provided with a groove, and the groove can facilitate the rack sheet.

[0017] Compared with the related art, the rack sheet processing jig has the following beneficial effects:

[0018] The utility model provides a rack sheet processing jig,

[0019] 1, the utility model discloses can pass through the fixed structure of setting up and can limit and fix the rack sheet on the jig, before needing to process the rack sheet, can place the rack sheet to the processing groove through manual, the gap of the first limiting plate and the second limiting plate center of the fixed plate staggered setting is used for limiting and fixing the rack sheet, so as to realize the fixation of the rack sheet to facilitate the subsequent processing operation,

[0020] 2, the utility model discloses can pass through the replacement structure of setting up and adapt to different sizes of rack sheet, when needing to limit and fix the rack sheet of different sizes, can rotate the bolt from the screw hole through the use of tool, takes out the bolt from the through -hole, through the manual holding handle and drawing the handle, drives the limiting groove and takes out from the limiting stake, drives the first limiting plate and the second limiting plate and takes out from the fixed plate, can pass through the limiting groove of the first limiting plate and the second limiting plate lower end and the position of corresponding limiting stake and put in, through the tool and insert the bolt into the through -hole and rotate and engage into the screw hole, install and fix the first limiting plate and the second limiting plate, so as to realize the replacement of the first limiting plate and the second limiting plate of different sizes to adapt to different sizes of rack sheet. DRAWINGS

[0021] Figure 1The utility model provides a rack piece processing fixture's whole structure schematic diagram is provided.

[0022] Figure 2 For Figure 1 The utility model provides a rack piece processing fixture's side sectional structure schematic diagram is provided.

[0023] Figure 3 For Figure 1 The utility model provides a rack piece processing fixture's front sectional structure schematic diagram is provided.

[0024] In the drawing, 1, fixed plate, 2, processing groove, 3, exhaust hole, 4, spacing pile, 5, threaded hole, 6, first spacing plate, 7, second spacing plate, 8, spacing groove, 9, bolt, 10, mounting plate, 11, mounting hole, 12, handle, 13, through hole. Specific implementation

[0025] In order to make the utility model's purpose, technical scheme and advantage more clearly, following combining with the drawing and example, the utility model is further detailedly explained.It should be understood that the specific example described here is only used to explain the utility model, and is not used to limit the utility model.

[0026] The specific implementation of the utility model is described in detail below in combination with specific examples.

[0027] Please refer to Figures 1 to 3 The utility model embodiment provides a rack piece processing fixture, the rack piece processing fixture includes:

[0028] Fixed plate 1, the center of fixed plate 1 is provided with processing groove 2;

[0029] Fixed structure, the top of fixed plate 1 is provided with fixed structure, and the fixed structure includes first spacing plate 6 and second spacing plate 7, the top of fixed plate 1 is provided with two groups of first spacing plate 6 and two groups of second spacing plate 7, and first spacing plate 6 and second spacing plate 7 are connected head to tail, form closed meander structure;

[0030] Replacement structure, the two sides of first spacing plate 6 and second spacing plate 7 are provided with replacement structure, and the replacement structure includes spacing pile 4 and bolt 9, the four corners of the top of fixed plate 1 are fixedly connected with spacing pile 4, the bottom of first spacing plate 6 and second spacing plate 7 is provided with spacing groove 8, spacing pile 4 is clamped into spacing groove 8 and is movably connected, the inner side of the four corners of the top of fixed plate 1 is provided with threaded hole 5, the other side of the top of first spacing plate 6 and second spacing plate 7 is provided with through hole 13, through hole 13 is provided with bolt 9, and the lower end of bolt 9 penetrates through through hole 13 and is engagedly connected to threaded hole 5.

[0031] It should be noted that before processing the rack, the rack can be manually placed into the processing slot 2. The rack is fixed by the gap between the center of the first limiting plate 6 and the second limiting plate 7, which are staggered on the fixing plate 1, thus facilitating subsequent processing. When it is necessary to fix racks of different sizes, the bolt 9 can be unscrewed from the threaded hole 5 and removed from the through hole 13 using a tool. The handle 12 can be manually pulled upwards to remove the limiting groove 8 from the limiting post 4, and the first limiting plate 6 and the second limiting plate 7 can be removed from the fixing plate 1. The limiting groove 8 at the lower end of the first limiting plate 6 and the second limiting plate 7 of different sizes can be inserted into the corresponding position of the limiting post 4. The bolt 9 can be inserted into the through hole 13 and rotated to engage with the threaded hole 5 to install and fix the first limiting plate 6 and the second limiting plate 7. This allows for the replacement of the first limiting plate and the second limiting plate of different sizes to accommodate racks of different sizes.

[0032] In the embodiments of this utility model, please refer to Figure 1 and Figure 3 The first limiting plate 6 is provided in two sets and is staggered. By staggering the first limiting plate 6, the two sides of the rack piece can be limited.

[0033] In the embodiments of this utility model, please refer to Figure 1 and Figure 3 The second limiting plate 7 is provided in two sets and is staggered. By staggering the second limiting plate 7, the two sides of the rack piece can be limited.

[0034] In the embodiments of this utility model, please refer to Figure 1 and Figure 3 A handle 12 is fixedly connected to the outer side of both the first limiting plate 6 and the second limiting plate 7, and the first limiting plate 6 and the second limiting plate 7 can be easily removed through the handle 12.

[0035] In the embodiments of this utility model, please refer to Figure 1 and Figure 3 The bottom of the processing groove 2 is provided with an exhaust hole 3, and there are two sets of exhaust holes 3. The exhaust holes 3 can be used to vent the sealed fixture and facilitate the removal of the rack piece.

[0036] In the embodiments of this utility model, please refer to Figure 1 and Figure 3 Mounting plates 10 are fixedly connected to the four corners of the bottom of the fixed plate 1. The fixture can be aligned with the mounting platform through the mounting plates 10.

[0037] In the embodiments of this utility model, please refer to Figure 1 and Figure 3The mounting plate 10 is provided with a mounting hole 11, and the jig can be mounted on the mounting platform through the mounting hole 11.

[0038] In the embodiment of the utility model, please refer to Figure 1 And Figure 3 Figure 1 Figure 3 The inner side of the first limiting plate 6 is provided with a groove, and the rack sheet can be conveniently put into the groove.

[0039] The working principle of the rack sheet machining jig provided by the utility model is as follows:

[0040] In use, first, the jig is mounted on the mounting platform through the mounting plate 10 and the mounting hole 11, and before the rack sheet is machined, the rack sheet can be placed in the machining groove 2 by hand, and the rack sheet is limited and fixed through the gap at the center of the first limiting plate 6 and the second limiting plate 7 arranged alternately on the fixing plate 1, so that the rack sheet is fixed to facilitate subsequent machining operation, when the rack sheet of different sizes needs to be limited and fixed, the bolt 9 can be rotated out of the threaded hole 5 by using a tool, the bolt 9 is taken out from the through hole 13, the handle 12 is pulled upward by hand, the limiting groove 8 is taken out from the limiting post 4, the first limiting plate 6 and the second limiting plate 7 are taken out from the fixing plate 1, the limiting groove 8 at the lower end of the first limiting plate 6 and the second limiting plate 7 is put into the position of the limiting post 4, the bolt 9 is inserted into the through hole 13 and rotated to engage into the threaded hole 5 by using a tool, and the first limiting plate 6 and the second limiting plate 7 are installed and fixed, so that the first limiting plate and the second limiting plate of different sizes are replaced to adapt to the rack sheet of different sizes.

[0041] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion or direct or indirect application in other related technical fields is also included in the patent protection range of the utility model.

Claims

1. A rack piece processing jig characterized by comprising: Include: The center of the fixed plate (1) is provided with a processing groove (2); The top of the fixed plate (1) is provided with a fixed structure, which comprises a first limiting plate (6) and a second limiting plate (7), the top of the fixed plate (1) is provided with two groups of the first limiting plate (6) and two groups of the second limiting plate (7), and the first limiting plate (6) and the second limiting plate (7) are connected end to end to form a closed meander structure; The two sides of the first limiting plate (6) and the second limiting plate (7) are provided with replacement structure, which comprises a limiting pile (4) and a bolt (9), the top of the fixed plate (1) is fixedly connected with the limiting pile (4), the bottom of the first limiting plate (6) and the second limiting plate (7) is provided with a limiting groove (8), the limiting pile (4) is movably connected with the limiting groove (8), the inside of the top of the fixed plate (1) is provided with a threaded hole (5), the other side of the top of the first limiting plate (6) and the second limiting plate (7) is provided with a through hole (13), the inside of the through hole (13) is provided with a bolt (9), the lower end of the bolt (9) penetrates through the through hole (13) and is engaged with the threaded hole (5).

2. The rack piece machining jig according to claim 1, characterized by, The first limiting plate (6) is provided with two groups and is staggered.

3. The rack piece machining jig according to claim 1, characterized by, The second limiting plate (7) is provided with two groups and is staggered.

4. The rack piece machining jig according to claim 1, characterized by, The outside of the first limiting plate (6) and the second limiting plate (7) is fixedly connected with a handle (12).

5. The rack piece machining jig according to claim 1, characterized by, The bottom end of the processing groove (2) is provided with an exhaust hole (3), and the exhaust hole (3) is provided with two groups.

6. The rack piece machining jig according to claim 1, characterized by, The bottom of the fixed plate (1) is fixedly connected with a mounting plate (10).

7. The rack piece machining jig according to claim 6, characterized by The mounting plate (10) is provided with a mounting hole (11).

8. The rack piece machining jig according to claim 1, characterized by, The inside of the first limiting plate (6) is provided with a groove.

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