Fixing device for lathing of front support of engine

Abstract

The utility model relates to a fixing device for lathing a front support of an engine. The fixing device comprises a bottom plate, a positioning piece, a front fixing mechanism and a rear fixing mechanism, the positioning piece comprises a middle positioning block and two side positioning columns; the front fixing mechanism comprises two front fixing modules, the two front fixing modules are symmetrically arranged on the two sides of the front end of the bottom plate, and each front fixing module comprises a right-angle vertical plate and a front end fixing column; the rear fixing mechanism comprises two rear fixing modules, the two rear fixing modules are symmetrically arranged on the two sides of the rear end of the bottom plate, and each rear fixing module comprises a rear end fixing piece and a rear side fixing piece; the rear-end fixing piece comprises a rear-end fixing seat and a rear-end fixing bolt; the two rear side fixing pieces are symmetrically fixed to the two sides of the rear end of the bottom plate and located on the inner sides of the front portions of the corresponding rear end fixing pieces. The rear side fixing piece comprises a rear side fixing base and a rear side fixing bolt. The front support of the engine can be quickly and effectively fixed, and follow-up turning of the front support of the engine is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of metal casting manufacturing, in particular to a fixing device for machining a front support of an engine. Background Art

[0002] The function of the engine support is to support and position the engine. The engine support generally supports the engine through the transmission case and the flywheel housing together with the frame. Common support methods include three-point support and four-point support. The front support of the three-point support is supported on the frame through the crankcase, and the rear support is supported on the frame through the transmission case; the four-point support is supported on the frame through the crankcase by the front support, and the rear support is supported on the frame through the flywheel housing.

[0003] like Figure 1 The figure shows the structure diagram of the front support of the engine. Its shape is similar to a swallow. When it is turned, it is difficult to fix due to the special shape, which seriously reduces the efficiency and accuracy of the turning.

[0004] In view of the above problems, it is desirable to provide a fixing device for machining an engine front support. Utility Model Content

[0005] The utility model aims to provide a fixing device for machining a front support of an engine, which can quickly and effectively fix the front support of the engine, so as to facilitate subsequent machining thereof.

[0006] In order to achieve the purpose of the above utility model, a fixing device for machining the front support of an engine includes a base plate, a positioning member, a front fixing mechanism and a rear fixing mechanism;

[0007] Both sides of the bottom plate are provided with a plurality of connecting through holes, and the bottom plate is connected to a rotating table of an external machining center through the plurality of connecting through holes;

[0008] The positioning member includes a middle positioning block and two side positioning columns;

[0009] The middle positioning block is fixed in the middle of the front end of the bottom plate, and the height of the middle positioning block is adapted to the front support of the engine to be fixed;

[0010] The two side positioning columns are symmetrically fixed at both sides of the rear end of the bottom plate, and the spacing and height between the two side positioning columns are adapted to the front support of the engine to be fixed;

[0011] The front fixing mechanism includes two front fixing modules, which are symmetrically arranged on both sides of the front end of the bottom plate, and the front fixing modules include a right-angle vertical plate and a front fixing column;

[0012] The two right-angle vertical plates are vertically and symmetrically fixed on both sides of the front end of the bottom plate;

[0013] The front end fixing column is horizontally fixed to the front end upper part of the right angle vertical plate along the front and rear direction of the bottom plate, and the front end fixing column penetrates the inner and outer walls of the right angle vertical plate, and the length of the front end fixing column passing through the right angle vertical plate is adapted to the front support of the engine to be fixed;

[0014] A front fixing column is fixed to the upper part of the side surface of any of the right-angled vertical plates, the front fixing column is arranged along the left-right direction of the bottom plate, and the front fixing column passes through the inner and outer walls of the right-angled vertical plate, and the length of the front fixing column passing through the right-angled vertical plate is adapted to the front support of the engine to be fixed;

[0015] The upper part of the side surface of the other right-angled vertical plate is threadedly connected with the front fixing bolt, the front fixing bolt penetrates the inner and outer walls of the right-angled vertical plate, and the front fixing bolt and the front fixing column share the same axis;

[0016] The rear fixing mechanism comprises two rear fixing modules, which are symmetrically arranged on both sides of the rear end of the bottom plate, and the rear fixing modules comprise a rear fixing member and a rear side fixing member;

[0017] The rear end fixing member comprises a rear end fixing seat and a rear end fixing bolt;

[0018] The two rear end fixing seats are symmetrically fixed on both sides of the rear end of the bottom plate;

[0019] The rear end fixing bolt is horizontally threadedly connected to the upper part of the rear end fixing seat along the front-to-back direction of the bottom plate, and the rear end fixing bolt passes through the front and rear side surfaces of the rear end fixing seat, and the end of the rear end fixing bolt points to the front end of the bottom plate;

[0020] The two rear side fixing members are symmetrically fixed on both sides of the rear end of the bottom plate and are located in front of the corresponding rear end fixing members.

[0021] The rear side fixing member comprises a rear side fixing seat and a rear side fixing bolt;

[0022] The rear fixing seat is fixed to the bottom plate;

[0023] The rear fixing bolt is threadedly connected to the rear fixing seat along the left and right directions of the base plate, and the front end of the rear fixing bolt passes through the left and right sides of the rear fixing seat, the front ends of the two rear fixing bolts both point to the outside of the base plate, and the two rear fixing bolts share the same axis.

[0024] Preferably, the fixing device for machining the front support of the engine further comprises a clamping mechanism, wherein the clamping mechanism comprises an I-shaped clamping block, two studs and two nuts;

[0025] The two studs are symmetrically arranged on both sides of the middle of the bottom plate;

[0026] The I-shaped pressing block is sleeved on the two studs and kept horizontal;

[0027] The two nuts are respectively sleeved on the studs and are located above the I-shaped pressing block.

[0028] Furthermore, long pads are vertically fixed on both sides of the rear end of the I-shaped pressing block on the bottom plate, and the height of the long pads is adapted to the front support of the engine to be fixed.

[0029] Furthermore, the two studs are both close to the front ends of the I-shaped pressing block.

[0030] Preferably, an elastic rubber layer is provided on the lower surface of the I-shaped pressing block.

[0031] The utility model is a fixing device for machining the front support of an engine, which has the following advantages compared with the prior art:

[0032] (1) It can quickly and effectively fix the front support of the engine to be machined, effectively ensuring the accuracy of its machining;

[0033] (2) Simple structure and easy operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a structural schematic diagram of the engine front support to be processed in the background technology;

[0035] Figure 2 The structure of a fixing device for machining the front support of an engine according to this embodiment is shown in FIG. Figure 1 ;

[0036] Figure 3 The structure of a fixing device for machining the front support of an engine according to this embodiment is shown in FIG. Figure 2 ;

[0037] Figure 4 This is a schematic structural diagram of an engine front support after being fixed by a fixing device for engine front support lathe machining according to this embodiment. DETAILED DESCRIPTION

[0038] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0039] like Figure 2 As shown, a fixing device for machining the front support of an engine comprises a base plate 1, a positioning member, a front fixing mechanism and a rear fixing mechanism.

[0040] A plurality of connecting through holes 2 are provided on both sides of the bottom plate 1 , and the bottom plate 1 is connected to a rotating table of an external machining center through the plurality of connecting through holes 2 .

[0041] The positioning member includes a middle positioning block 3 and two side positioning columns 4; the middle positioning block 3 is fixed in the middle of the front end of the base plate 1, and the height of the middle positioning block 3 is adapted to the front support of the engine to be fixed; the two side positioning columns 4 are symmetrically fixed at the two sides of the rear end of the base plate 1, and the spacing and height between the two side positioning columns 4 are adapted to the front support of the engine to be fixed.

[0042] The front fixing mechanism includes two front fixing modules, which are symmetrically arranged on both sides of the front end of the base plate 1. The front fixing modules include a right-angled vertical plate 5 and a front fixing column 7; the two right-angled vertical plates 5 are vertically and symmetrically fixed on both sides of the front end of the base plate 1; the front fixing column 7 is horizontally fixed to the upper front end of the right-angled vertical plate 5 along the front and rear direction of the base plate 1, and the front fixing column 7 passes through the inner and outer walls of the right-angled vertical plate 5, and the length of the front fixing column 7 passing through the right-angled vertical plate 5 is adapted to the front support of the engine to be fixed ; A front fixing column 6 is fixed to the upper part of the side surface of any of the right-angled vertical plates, and the front fixing column 6 is arranged along the left-right direction of the base plate 1, and the front fixing column 6 passes through the inner and outer walls of the right-angled vertical plate 5, and the length of the front fixing column 6 passing through the right-angled vertical plate 5 is adapted to the front support of the engine to be fixed; The front fixing bolt 8 is threadedly connected to the upper part of the side surface of the other right-angled vertical plate, and the front fixing bolt 8 passes through the inner and outer walls of the right-angled vertical plate 5, and the front fixing bolt 8 and the front fixing column 6 share the same axis.

[0043] like Figure 3 As shown, the rear fixing mechanism includes two rear fixing modules, and the two rear fixing modules are symmetrically arranged on both sides of the rear end of the base plate 1, and the rear fixing modules include a rear end fixing member and a rear side fixing member; the rear end fixing member includes a rear end fixing seat 12 and a rear end fixing bolt 13; the two rear end fixing seats 12 are symmetrically fixed on both sides of the rear end of the base plate 1; the rear end fixing bolt 13 is horizontally threadedly connected to the upper part of the rear end fixing seat 12 along the front and rear direction of the base plate 1, and the rear end fixing bolt 13 passes through the front and rear side surfaces of the rear end fixing seat 12, and the front end of the rear end fixing bolt 13 points to the front end of the base plate 1.

[0044] The two rear side fixing members are symmetrically fixed on both sides of the rear end of the base plate 1, and are located in the front inner position of the corresponding rear end fixing member; the rear side fixing member includes a rear side fixing seat 14 and a rear side fixing bolt 15; the rear side fixing seat 14 is fixed on the base plate 1; the rear side fixing bolt 15 is threadedly connected to the rear side fixing seat 14 along the left and right directions of the base plate 1, and the front end of the rear side fixing bolt 15 passes through the left and right sides of the rear side fixing seat, and the front ends of the two rear side fixing bolts 15 both point to the outside of the base plate 1, and the two rear side fixing bolts 15 share the same axis.

[0045] like Figure 4 As shown, when fixing the engine front support, first position the engine front support 16 through the positioning piece, and make the front ends of the engine front support 16 fit with the front fixing column 7, and make the front end of one side of the engine front support 16 fit with the front fixing column 6, and then rotate the front fixing bolt 8 so that the front fixing bolt 8 fixes the front end of the engine front support; then respectively tighten the rear end fixing bolt 13 and the rear side fixing bolt 15 to effectively fix the rear end position of the engine front support 16.

[0046] In this embodiment, if Figure 1 As shown, the fixing device for machining the engine front support also includes a clamping mechanism, which includes an I-shaped clamping block 10, two studs 9 and two nuts 11; the two studs 9 are symmetrically arranged on both sides of the middle of the bottom plate 1; the I-shaped clamping block 10 is sleeved on the two studs 9 and kept horizontal; the two nuts 11 are respectively sleeved on the studs 9 and are located above the I-shaped clamping block 10. With such an arrangement, after the engine front support is fixed, by tightening the nuts 11, the I-shaped clamping block 10 is pressed on the engine front support, pressing the engine front support, and further firmly fixing the engine front support.

[0047] Furthermore, if Figure 3 As shown, long pads 17 are vertically fixed on both sides of the rear end of the I-shaped pressure block 10 on the base plate 1, and the height of the long pads 17 is adapted to the front support of the engine to be fixed; in this way, the rear end of the I-shaped pressure block 10 contacts the long pads 17, which can better press the front support of the engine.

[0048] Furthermore, the two studs 9 are both close to the front ends of the I-shaped pressing block 10 to better press the front support of the engine.

[0049] In this embodiment, an elastic rubber layer (not shown) is provided on the lower surface of the I-shaped pressing block 10 to prevent the front support of the engine from being crushed.

[0050] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A fixing device for machining an engine front support, characterized in that: It includes a bottom plate, a positioning member, a front fixing mechanism and a rear fixing mechanism; Both sides of the bottom plate are provided with a plurality of connecting through holes, and the bottom plate is connected to a rotating table of an external machining center through the plurality of connecting through holes; The positioning member includes a middle positioning block and two side positioning columns; The middle positioning block is fixed in the middle of the front end of the bottom plate, and the height of the middle positioning block is adapted to the front support of the engine to be fixed; The two side positioning columns are symmetrically fixed at both sides of the rear end of the bottom plate, and the spacing and height between the two side positioning columns are adapted to the front support of the engine to be fixed; The front fixing mechanism includes two front fixing modules, which are symmetrically arranged on both sides of the front end of the bottom plate, and the front fixing modules include a right-angle vertical plate and a front fixing column; The two right-angle vertical plates are vertically and symmetrically fixed on both sides of the front end of the bottom plate; The front end fixing column is horizontally fixed to the front end upper part of the right angle vertical plate along the front and rear direction of the bottom plate, and the front end fixing column penetrates the inner and outer walls of the right angle vertical plate, and the length of the front end fixing column passing through the right angle vertical plate is adapted to the front support of the engine to be fixed; A front fixing column is fixed to the upper part of the side surface of any of the right-angled vertical plates, the front fixing column is arranged along the left-right direction of the bottom plate, and the front fixing column passes through the inner and outer walls of the right-angled vertical plate, and the length of the front fixing column passing through the right-angled vertical plate is adapted to the front support of the engine to be fixed; A front fixing bolt is threadedly connected to the upper side of the side of the other right-angled vertical plate, and the front fixing bolt passes through the inner and outer walls of the right-angled vertical plate, and the front fixing bolt and the front fixing column share the same axis; The rear fixing mechanism comprises two rear fixing modules, which are symmetrically arranged on both sides of the rear end of the bottom plate, and the rear fixing modules comprise a rear fixing member and a rear side fixing member; The rear end fixing member comprises a rear end fixing seat and a rear end fixing bolt; The two rear end fixing seats are symmetrically fixed on both sides of the rear end of the bottom plate; The rear end fixing bolt is horizontally threadedly connected to the upper part of the rear end fixing seat along the front-to-back direction of the bottom plate, and the rear end fixing bolt passes through the front and rear side surfaces of the rear end fixing seat, and the end of the rear end fixing bolt points to the front end of the bottom plate; The two rear side fixing members are symmetrically fixed on both sides of the rear end of the bottom plate and are located in front of the corresponding rear end fixing members. The rear side fixing member comprises a rear side fixing seat and a rear side fixing bolt; The rear fixing seat is fixed to the bottom plate; The rear fixing bolt is threadedly connected to the rear fixing seat along the left and right directions of the base plate, and the front end of the rear fixing bolt passes through the left and right sides of the rear fixing seat, the front ends of the two rear fixing bolts point to the outside of the base plate, and the two rear fixing bolts share the same axis.

2. The fixing device for machining the front support of an engine according to claim 1, characterized in that: The fixing device for machining the front support of the engine also includes a clamping mechanism, which includes an I-shaped clamping block, two studs and two nuts; The two studs are symmetrically arranged on both sides of the middle of the bottom plate; The I-shaped pressing block is sleeved on the two studs and kept horizontal; The two nuts are respectively sleeved on the studs and are located above the I-shaped pressing block.

3. The fixing device for machining the front support of an engine according to claim 2, characterized in that: Long pads are vertically fixed on both sides of the rear end of the I-shaped pressing block on the bottom plate, and the height of the long pads is adapted to the front support of the engine to be fixed.

4. The fixing device for machining the front support of an engine according to claim 3, characterized in that: The two studs are both close to the front ends of the I-shaped pressing block.

5. The fixing device for machining the front support of an engine according to any one of claims 2 to 4, characterized in that: An elastic rubber layer is arranged on the lower surface of the I-shaped pressing block.

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