CN204449967U - The frock clamp of automotive transmission tub housing processing - Google Patents
The frock clamp of automotive transmission tub housing processing Download PDFInfo
- Publication number
- CN204449967U CN204449967U CN201420798475.5U CN201420798475U CN204449967U CN 204449967 U CN204449967 U CN 204449967U CN 201420798475 U CN201420798475 U CN 201420798475U CN 204449967 U CN204449967 U CN 204449967U
- Authority
- CN
- China
- Prior art keywords
- base
- hole
- automotive transmission
- frock clamp
- cushion block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
A kind of frock clamp of automotive transmission tub housing processing, comprising vertical plane is I-shaped base, the horizontal plane of base upper end is rectangular, this rectangle upper surface is provided with four cushion blocks, four cushion blocks are located on the suspending part that base upper surface extend horizontally away respectively, each cushion block adopts two sunk screws and base to be fastenedly connected respectively, in four cushion blocks, on one group of two cushion block arranged in diagonal, position between two sunk screws all arranges the screwed hole that runs through cushion block and base suspending part, in each screwed hole, threaded engagement one is for the turnbuckle of fixation workpiece, on two cushion blocks that another group is arranged in diagonal, position between two sunk screws all arranges the screwed hole that a dowel hole and runs through cushion block and base suspending part, one alignment pin is installed in each dowel hole, in each screwed hole, threaded engagement one is for the turnbuckle of fixation workpiece, the horizontal plane of the lower end of base is rectangular, the extension that base lower surface extend horizontally away is provided with multiple installing hole.
Description
Technical field
The utility model relates to a kind of mach frock clamp, the frock clamp of particularly a kind of automotive transmission tub housing processing.
Background technology
Tub transmission assembly is relative to existing box type speed changer, its structure is more novel and compact, it is the novel transmission assembly of a kind of advanced person in automotive transmission field, its tub housing is as the basic key component of tub transmission assembly, and its crudy determines the exploitation of tub transmission assembly success.The tub speed changer of my company's exploitation is exactly the novel transmission assembly adopting tub housing, fork rail shifter, cone bearing to support at present.Speed changer tub housing is combined into by fore shell and main casing, its main casing carries out mach frock clamp after casting, in the trial production stage, adopt to include base 21, column 22, lever arm 23, pressing plate 24, revolution bolt 25, the frock (as shown in Figure 5) that revolution bolt support 26 grade is formed, this frock adopts conventional compression locate mode to be fixed on lathe by the main casing clamping of tub speed changer to bore, hinge, attack hole, and milling, boring is processed, because main casing is tub structure, serious compression problem on deformation is there is when utilizing lever arm and pressing plate compresses, the product of Product processing is caused to be usually after processing on lathe, be in detection aperture and centre-to-centre spacing under impaction state all qualified, but once unclamp pressing plate, take off product, under non-impaction state again detection aperture and centre-to-centre spacing time all defective again, thus before causing the tub main casing after processing to ensure, the axiality of front and back end dead eye after main casing combination, perpendicularity, and dead eye hole, front and back end is I axis, the requirements such as the depth of parallelism of II axis, cause the main casing of tub speed changer in machining process, compress problem on deformation to be difficult to solve always.The new Set and Positioning mode of therefore seeking a kind of not only reliable location but also can avoid compressing distortion just becomes the whether qualified key point of tub main casing processing.
Summary of the invention
The purpose of this utility model is the main casing Problems existing in machining process for tub speed changer, there is provided the frock clamp that a kind of automotive transmission tub housing is processed, in order to solve the compression distortion difficult problem that tub main casing exists in the clamping timing of machining tool.
The purpose of this utility model is achieved in that the frock clamp that a kind of automotive transmission tub housing is processed, comprising vertical plane is I-shaped base, the horizontal plane of base upper end is rectangular, this rectangle upper surface is provided with four cushion blocks, the height of four cushion blocks is identical, four cushion blocks are located on the suspending part that base upper surface extend horizontally away respectively, each cushion block adopts two sunk screws and base to be respectively at 2 and is fastenedly connected, in four cushion blocks, on one group of two cushion block arranged in diagonal, in the position between two sunk screws, the screwed hole that runs through cushion block and base suspending part is all set, in each screwed hole from bottom to top threaded engagement one for the turnbuckle of fixation workpiece, on two cushion blocks that another group is arranged in diagonal, the screwed hole that one dowel hole and runs through cushion block and base suspending part is all set in the position between two sunk screws, in each dowel hole, an alignment pin is installed from the top down, in each screwed hole from bottom to top threaded engagement one for the turnbuckle of fixation workpiece, the horizontal plane of the lower end of described base is rectangular, the extension that base lower surface extend horizontally away is provided with multiple installing hole.
In described alignment pin, one is stepped cylindrical pin, and another is chamfered edge pin.
Described chamfered edge pin top is diamond structure for inserting the pin section truncation surface in Workpiece fixing hole.
The extension that described base lower surface extend horizontally away is provided with lifting bolt.
Described base is provided with hollow cavity, binds in the upper end of this hollow cavity, and lower end is opening, is provided with the reinforcement brace rod extending downward accent from top, chamber in hollow cavity.
The scheme of the frock clamp adopting above-mentioned processing automobile speed changer tub housing to process, makes the utility model have the following advantages:
Be vertical plane by the base designs of this frock clamp be I-shaped, the horizontal plane of base upper end is rectangular, and four cushion blocks are provided with on this rectangle upper surface, the height of four cushion blocks is identical, four cushion blocks are located on the suspending part that base upper surface extend horizontally away respectively, each cushion block adopts two sunk screws and base to be respectively at 2 and is fastenedly connected, in four cushion blocks, on one group of two cushion block arranged in diagonal, in the position between two sunk screws, the screwed hole that runs through cushion block and base suspending part is all set, in each screwed hole from bottom to top threaded engagement one for the turnbuckle of fixation workpiece, on two cushion blocks that another group is arranged in diagonal, the screwed hole that one dowel hole and runs through cushion block and base suspending part is all set in the position between two sunk screws, in each dowel hole, an alignment pin is installed from the top down, in each screwed hole from bottom to top threaded engagement one for the turnbuckle of fixation workpiece.After adopting this structure, can on a side of processed automotive transmission tub main casing the shaping false boss corresponding with four cushion block positions, and dowel hole and screwed hole are set on the false boss of housing, thus, automotive transmission tub main casing can be placed in base upper surface, supported by four cushion blocks, located by alignment pin, turn turnbuckle again, make turnbuckle from the below of automotive transmission tub main casing tub main casing be fastened on base form clamping tightly.Because automotive transmission tub main casing is by base support, main casing only has side below to contact with the cushion block on base, and be strained and fixed by turnbuckle, thus tub main casing bears the pressure being enough to housing is deformed under clamping stationary state without any a side, and allow tub main casing except a side below, all the other each side can feed, completes brill, cuts with scissors, attacks hole, and the machined such as milling, boring.Thus make at the tub main casing bearing clamping deformation pressure without any a side, after machining, no matter be under being in clamping stationary state, still test under the state unloading clamping, when its main casing processed and procapsid assembly, the axiality of front and back end dead eye, perpendicularity, and dead eye hole, front and back end is I axis, the depth of parallelism etc. of II axis can reach exact requirements, can not there is being in detection aperture and centre-to-centre spacing under clamping state more all qualified, but under non-clamping state again detection aperture and centre-to-centre spacing time all underproof phenomenon again, the crudy of product is guaranteed.
Vertical plane is I-shaped base, four cushion blocks are located on the suspending part that base upper surface extend horizontally away respectively, the screwed hole that one runs through cushion block and base suspending part is set, in each screwed hole from bottom to top threaded engagement one for the turnbuckle of fixation workpiece, such structure can provide wide space for the operation turning turnbuckle, eliminate operative interventions, easy to operate freely when making clamping fix tub main casing.
In described alignment pin, one is stepped cylindrical pin, and another is chamfered edge pin.Adopt two finger settings, can accurate positioning be ensured.And alignment pin adopting chamfered edge pin, can, when being placed on base by tub main casing, both easily make pin easily insert in the hole, making again pin, hole can not offset behind location, ensureing accurate positioning.
Although the utility model structure is simple, but the clamping fixation of tub main casing, accurate positioning, easy to operate, 50,000 tub housing production lines in the first phase project of the medium and heavy vehicular transmission production base of annual output 400000 of applicant enterprise, frock clamp of the present utility model is adopted to carry out clamping, do not have detection aperture and centre-to-centre spacing under clamping state all qualified again, but under non-clamping state again detection aperture and centre-to-centre spacing time again all underproof phenomenon occur, the crudy of product is guaranteed, and production efficiency is improved.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is sectional structure chart of the present utility model;
Fig. 2 is the A direction view of Fig. 1;
Fig. 3 is that the B-B of Fig. 2 is to sectional view;
Fig. 4 is the top view of chamfered edge pin of the present utility model;
Fig. 5 is the frock schematic diagram of prior art.
In accompanying drawing, 1 is base, and 1-1 is suspending part, and 1-2 is extension, and 2 is lifting bolt, and 3 is alignment pin, and 4 is turnbuckle, and 5 is cushion block, and 6 is sunk screw, and 7 is hollow cavity, and 8 for strengthening brace rod, and 9 for correcting circular hole, and 10 is installing hole.
Detailed description of the invention
See Fig. 1 to Fig. 4, a kind of embodiment of the frock clamp of automotive transmission tub housing processing.It is I-shaped base 1 that this frock clamp comprises vertical plane, and the horizontal plane of base 1 upper end is rectangular, and the height that this rectangle upper surface is provided with four cushion blocks, 5, four cushion blocks 5 is identical.Four cushion blocks are located on the suspending part 1-1 that base upper surface extend horizontally away respectively, and each cushion block 5 adopts two sunk screws 6 to be fastenedly connected in 2 with base 1 respectively, and after can ensureing that cushion block 5 is fixed on base 1 upper surface like this, can not rotate displacement.In four cushion blocks 5, on one group of two cushion block 5-1 arranged in diagonal, in the position between two sunk screws 6, the screwed hole that runs through cushion block 5-1 and base suspending part 1-1 is all set, in each screwed hole from bottom to top threaded engagement one for the turnbuckle 4 of fixation workpiece, this turnbuckle 4 is for being connected and fixed the main casing of the automotive transmission tub housing be placed on base 1 and base by turnbuckle 4, and the tension clamping forming main casing and base is fixed, on two cushion block 5-2 that another group is arranged in diagonal, the screwed hole that one dowel hole and runs through cushion block 5-2 and base suspending part 1-1 is all set in the position between two sunk screws 6, one alignment pin 3 is installed in each dowel hole from the top down, the upper end of alignment pin 3 is allowed to expose cushion block upper surface, for inserting the locating hole that the main casing of automotive transmission tub housing is arranged, putting of main casing is positioned, in each screwed hole from bottom to top threaded engagement one for the turnbuckle 4 of fixation workpiece, this turnbuckle 4 is for being connected and fixed the main casing of the automotive transmission tub housing be placed on base and base by turnbuckle 4, the tension clamping forming main casing and base is fixed, complete the clamping to main casing thus.The horizontal plane of the lower end of described base 1 is rectangular, the extension 1-2 that base 1 lower surface extend horizontally away is provided with multiple installing hole 10, adopt bolt to be fixed on the workbench of machine tool through these installing holes 10 by base 1, complete the installation of base and machine tool.One side of the suspending part 1-1 extend horizontally away in base upper end, can also arrange one and correct circular hole 9, this correction circular hole 9 is for coordinating the installment state correcting base with rectifier.
In order to make the Set and Positioning of the main casing of automotive transmission tub housing not only accurate but also quick, in described alignment pin 3, one is stepped cylindrical pin 3-1, and another is chamfered edge pin 3-2.Described chamfered edge pin 3-2 top is diamond structure 3-2a for inserting the pin section truncation surface in Workpiece fixing hole.Utilize the characteristic of chamfered edge pin 3-2 like this, the hole of Set and Positioning, pin can be avoided to produce when coordinating and locate interference, be conducive to Fast Installation location, after can also making location, main casing can not be moved when fastening simultaneously.
The utility model is not only confined to above-described embodiment, and base can also be provided with hollow cavity 7, bind in the upper end of this hollow cavity 7, and lower end is opening, is provided with the reinforcement brace rod 8 extending downward accent from top, chamber in hollow cavity 7.So both can alleviate the overall weight of base, the bearing strength of base can have been ensured again.
The extension 1-2 that described base 1 lower surface extend horizontally away is provided with lifting bolt 2.Lifting bolt 2 at least adopts two, two lifting bolts 2 are located at the both sides of base 1 respectively, can be coordinated thus, be arranged on machine tool by base by lifting by the suspension hook of hanging device with lifting bolt, or unload from machine tool, reduce the labour intensity of workman.
During the frock clamp using this automotive transmission tub housing to process, first by floor installation on the workbench of lathe, pass with the installing hole that bolt is arranged from the extension that base lower surface extend horizontally away, base is fixed on the workbench of machine tool, the main casing of the automotive transmission tub housing then need processed is placed on four cushion blocks of base upper end, by the accurate positioning of plane and two pits position assurance, turn four turnbuckles behind location to coordinate with the screwed hole that main casing false boss is arranged, main casing is fixed on firmly this frock clamp from main casing lower end, main casing is made not bear any pressure, thus the pressure distortion phenomenon produced during main casing clamping before eliminating, thoroughly solve the compression distortion difficult problem existed in the processing of automotive transmission tub housing, ensure that tub housing machining accuracy, the technical requirement of the procapsid of automotive transmission tub housing and the assembly of main casing can be met completely, before making automotive transmission tub housing, the axiality of front and back end dead eye after main casing combination, perpendicularity and dead eye hole, front and back end are I axis, the depth of parallelism etc. of II axis can meet design requirement, product quality is guaranteed, production efficiency is largely increased.
Claims (5)
1. the frock clamp of an automotive transmission tub housing processing, it is characterized in that: comprising vertical plane is I-shaped base, the horizontal plane of base upper end is rectangular, this rectangle upper surface is provided with four cushion blocks, the height of four cushion blocks is identical, four cushion blocks are located on the suspending part that base upper surface extend horizontally away respectively, each cushion block adopts two sunk screws and base to be respectively at 2 and is fastenedly connected, in four cushion blocks, on one group of two cushion block arranged in diagonal, in the position between two sunk screws, the screwed hole that runs through cushion block and base suspending part is all set, in each screwed hole from bottom to top threaded engagement one for the turnbuckle of fixation workpiece, on two cushion blocks that another group is arranged in diagonal, the screwed hole that one dowel hole and runs through cushion block and base suspending part is all set in the position between two sunk screws, in each dowel hole, an alignment pin is installed from the top down, in each screwed hole from bottom to top threaded engagement one for the turnbuckle of fixation workpiece, the horizontal plane of the lower end of described base is rectangular, the extension that base lower surface extend horizontally away is provided with multiple installing hole.
2. the frock clamp of automotive transmission tub housing processing according to claim 1, it is characterized in that: in described alignment pin, one is stepped cylindrical pin, and another is chamfered edge pin.
3. the frock clamp of automotive transmission tub housing processing according to claim 2, is characterized in that: described chamfered edge pin top is diamond structure for inserting the pin section truncation surface in Workpiece fixing hole.
4. the frock clamp of automotive transmission tub housing processing according to claim 1, is characterized in that: the extension that described base lower surface extend horizontally away is provided with lifting bolt.
5. the frock clamp of automotive transmission tub housing processing according to claim 1, it is characterized in that: described base is provided with hollow cavity, bind in the upper end of this hollow cavity, lower end is opening, is provided with the reinforcement brace rod extending downward accent from top, chamber in hollow cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420798475.5U CN204449967U (en) | 2014-12-17 | 2014-12-17 | The frock clamp of automotive transmission tub housing processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420798475.5U CN204449967U (en) | 2014-12-17 | 2014-12-17 | The frock clamp of automotive transmission tub housing processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204449967U true CN204449967U (en) | 2015-07-08 |
Family
ID=53656914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420798475.5U Expired - Fee Related CN204449967U (en) | 2014-12-17 | 2014-12-17 | The frock clamp of automotive transmission tub housing processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204449967U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110877210A (en) * | 2019-11-05 | 2020-03-13 | 中国航空工业集团公司洛阳电光设备研究所 | Small clamping surface low-bending-moment clamping and positioning method for complex support parts |
-
2014
- 2014-12-17 CN CN201420798475.5U patent/CN204449967U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110877210A (en) * | 2019-11-05 | 2020-03-13 | 中国航空工业集团公司洛阳电光设备研究所 | Small clamping surface low-bending-moment clamping and positioning method for complex support parts |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109014286B (en) | Metal washer drilling processingequipment | |
| CN106181502A (en) | One facilitates the irregular work piece holder of intermetallic composite coating | |
| CN204248507U (en) | The fixture of processing automobile gearbox balancing weight | |
| CN104493560B (en) | Work fixture used for machining gate valve bodies | |
| CN102699386A (en) | Tool for drilling inclined hole in control valve body | |
| CN105666191A (en) | Fixture for machining irregular workpiece | |
| CN202894837U (en) | Clamp for machining phi-30mm auxiliary hole of rear leaf spring shackle | |
| CN204053581U (en) | The clamp mechanism of horizontal type double-side Drilling and Boring Modular Machine | |
| CN204449967U (en) | The frock clamp of automotive transmission tub housing processing | |
| CN206373390U (en) | A kind of Novel radial drilling machine | |
| CN202240541U (en) | Floating positioning mechanism for processing left arm of oil drilling platform | |
| CN210756584U (en) | Locomotive frame end shock absorber seat adds clamping apparatus | |
| CN211728447U (en) | Horizontal machining center fixture mechanism | |
| CN204673332U (en) | A kind of automobile steering device housing cross-drilled hole workpiece machining clamp | |
| CN204248427U (en) | Corner module hydraulically operated fixture | |
| CN203156398U (en) | Positioning and processing clamp for irregularly-shaped tubular products | |
| CN204430891U (en) | Upper slide seat milling face frock | |
| CN204430892U (en) | Axle housing rough bore frock | |
| CN209364187U (en) | A kind of cylinder rough mills facet fixture assembly | |
| CN102642145B (en) | Special clamp for rotary table seat body of automobile crane | |
| CN206493246U (en) | A kind of shared stationary fixture | |
| CN210756594U (en) | Vertical machining clamp for vertical shock absorber seat | |
| CN214641900U (en) | Centering boring mould for front hinge frame of loader | |
| CN205325237U (en) | Box -like spare boring grab | |
| CN204735983U (en) | Peripheral spot facing work frock of car automatic gearbox torque converter casing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20151217 |
|
| EXPY | Termination of patent right or utility model |