CN209698549U - A kind of fixture for processing gear box shell - Google Patents
A kind of fixture for processing gear box shell Download PDFInfo
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- CN209698549U CN209698549U CN201920219164.1U CN201920219164U CN209698549U CN 209698549 U CN209698549 U CN 209698549U CN 201920219164 U CN201920219164 U CN 201920219164U CN 209698549 U CN209698549 U CN 209698549U
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- oil cylinder
- macropore
- aperture
- gear box
- plane
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Abstract
The utility model relates to a kind of fixtures for processing gear box shell.Specifically, when being to the processing of automobile gearbox casing peripheral for the fixture that is positioned to it.It includes bottom plate, its main feature is that: there are the macropore centering machine and aperture centering machine for being positioned respectively to the macropore of gear box casing and aperture on bottom plate.It is evenly equipped with main pressure mechanism on macropore centering machine and the bottom plate of aperture centering machine surrounding, has auxiliary pressing mechanism between adjacent main pressure mechanism.There is guide post between main pressure mechanism and adjacent auxiliary pressing mechanism.This fixture, registration, convenient for operation.Using this fixture come processing gear box shell, rejection rate and production cost can be substantially reduced, improves production efficiency.
Description
Technical field
The utility model relates to a kind of fixtures.Specifically, be to automobile gearbox casing peripheral processing when be used to its into
The fixture of row positioning.
Background technique
It is both known about in automobile gearbox production industry, gear box casing is the important component in transmission assembly, first
In road manufacturing procedure, above all then being processed again to its periphery using the bearing hole center at its blank both ends as benchmark.
Only in this way, the dimension chain precision that just can guarantee transmission assembly part keeps subsequent chip surplus uniform.
Currently, being mostly conventional method to the localization method of automobile variable speed tank shell.This conventional method is using pressing plate
Gear box casing is fixed and is positioned in the bottom surface precast hole of gear box casing as benchmark.Due to only with pressing plate
Gear box casing is fixed and is positioned in the bottom surface precast hole of gear box casing as benchmark, it is accurately fixed to be not only difficult to
Position, so that the gear box casing high rejection rate and production cost of processing are all higher, and clamping gets up very inconvenient, production efficiency
It is low.
Utility model content
Problem to be solved in the utility model is to provide a kind of fixture for processing gear box shell.This fixture, it is fixed
Position is accurate, convenient for operation.Using this fixture come processing gear box shell, rejection rate and production cost can be substantially reduced, is improved
Production efficiency.
The above problem to be solved in the utility model is realized by the following technical scheme:
The fixture for processing gear box shell of the utility model, including bottom plate.Its main feature is that: have on bottom plate for dividing
The macropore centering machine and aperture centering machine that other macropore and aperture to gear box casing is positioned.Macropore centering machine and
It is evenly equipped with main pressure mechanism on the bottom plate of aperture centering machine surrounding, has auxiliary pressing mechanism between adjacent main pressure mechanism.Main pressure mechanism
There is guide post between adjacent auxiliary pressing mechanism.
The macropore centering machine contains first base.First base is cavity structure, and lower end is fixed on bottom plate,
Upper end is in open-like shape, and intracavity bottom is fixed with the first oil cylinder, and the piston rod of the first oil cylinder is upward.There is macropore in first base upper end
Positioning sleeve.Macropore positioning sleeve lower end is connected with first base upper end, and macropore positioning set upper side is connected with macropore guide cover.Macropore positioning
There is the first telescopic rod in set, the first telescopic rod lower end is connected with the piston rod upper end of the first oil cylinder, and the first telescopic rod is in retraction shape
The upper end and macropore positioning inner room have spacing under state.First telescopic rod upper end is circumferentially uniformly distributed, and there are three the first inclined-planes, tiltedly with first
There is the first radial hole on the corresponding macropore positioning sleeve side wall in face, there is the central axis with gear box casing both ends in the first radial hole
First positioning head of hole cooperation.First positioning head be it is rod-shaped, inner end have with the first inclined-plane cooperation the second inclined-plane, outer end has
First screw hole, the first screw hole are internally screwed with the first screw.
Wherein, there is dovetail groove on first inclined-plane, there are dovetails on the second inclined-plane, the dovetails are in slide up and down shape
It is placed in dovetail groove.
The aperture centering machine contains second base.The second base is cavity structure, and lower end is fixed on bottom plate
On, the upper end is in open-like shape, and intracavity bottom is fixed with the second oil cylinder, and the piston rod of the second oil cylinder is upward.Second base upper end
There is aperture positioning sleeve.Aperture positioning sleeve lower end is connected with second base upper end, and aperture positioning set upper side is connected with aperture guide cover.It is small
There is the second telescopic rod in the positioning sleeve of hole, the second telescopic rod lower end is connected with the piston rod upper end of the second oil cylinder, and the second telescopic rod exists
The upper end and aperture positioning inner room have spacing under indentation state.There are two third inclined-planes for second telescopic rod upper end opposite side, with third
There is the second radial hole on the corresponding aperture positioning sleeve side wall in inclined-plane, there is the bearing with gear box casing both ends in the second radial hole
Second positioning head of hole cooperation.Second positioning head be it is rod-shaped, inner end have with third inclined-plane cooperation the 4th inclined-plane, outer end has
Second screw hole, the second screw hole are internally screwed with the second screw.
Wherein, there is dovetail groove on the third inclined-plane, there are dovetails on the 4th inclined-plane, the dovetails are in slide up and down shape
It is placed in dovetail groove.
The main pressure mechanism contains main supporting block and the first lever oil cylinder.The main supporting block is rectangular block, by spiral shell
Nail is fixed on bottom plate.First lever oil cylinder contains third pedestal, third oil cylinder and the first pressure, third pedestal and third oil
Cylinder is adjacent, and the cylinder body of third oil cylinder is fixed on third pedestal, and piston rod is upward.The third pedestal of neighbouring main supporting block is on one side
On have and sell the first key seat for constituting of ears by two, first compression bar one end and intermediate be respectively hinged at third oil cylinder by pin shaft
Between piston rod outer end and two pin ears, and it is located at the first compression bar other end on main supporting block.
The auxiliary pressing mechanism contains auxiliary supporting block and the second lever oil cylinder.The auxiliary supporting block is rectangular block, by spiral shell
Nail is fixed on bottom plate.Second lever oil cylinder contains the 4th pedestal, the 4th oil cylinder and the second compression bar, the 4th pedestal and the 4th oil cylinder
Adjacent, the cylinder body of the 4th oil cylinder is fixed on the 4th pedestal, and piston rod is upward.4th pedestal of neighbouring auxiliary supporting block has on one side
The second key seat that ear is constituted, second compression bar one end and the intermediate piston that the 4th oil cylinder is respectively hinged at by pin shaft are sold by two
Between bar outer end and two pin ears, and it is located at the second compression bar other end on auxiliary supporting block.
Due to having on bottom plate for determining respectively the macropore of gear box casing and aperture it can be seen from above scheme
The macropore centering machine and aperture centering machine of position.Master is evenly equipped on macropore centering machine and the bottom plate of aperture centering machine surrounding
Press mechanism has auxiliary pressing mechanism between adjacent main pressure mechanism.There is guide post between main pressure mechanism and adjacent auxiliary pressing mechanism.Using
One macropore centering machine, an aperture centering machine, three main pressure mechanisms and auxiliary pressing mechanism and several guide posts, so that it may realize
Accurate positioning to automobile variable speed tank shell.Compared with the background art, gear box casing is fixed without pressing plate, is not required to
The bottom surface precast hole of gear box casing, so that it may realize and be accurately positioned, not only clamping gets up very convenient, high production efficiency.And
Due to registration, the rejection rate and production cost of gear box casing are greatly reduced.
Detailed description of the invention
Fig. 1 is the fixture stereoscopic schematic diagram for processing gear box shell of the utility model；
Fig. 2 is the macropore centering machine schematic diagram in Fig. 1；
Fig. 3 is the aperture centering machine schematic diagram in Fig. 1.
Specific embodiment
As shown in Figure 1, the fixture for processing gear box shell of the utility model contains bottom plate 1, it is provided on bottom plate 1
Macropore centering machine and aperture centering machine for being positioned respectively to the macropore of gear box casing and aperture.Macropore centering
It is evenly equipped with main pressure mechanism on the bottom plate 1 of mechanism and aperture centering machine surrounding, auxiliary press is provided between adjacent main pressure mechanism
Structure is provided with guide post 2 between main pressure mechanism and adjacent auxiliary pressing mechanism.
As shown in Fig. 2, the macropore centering machine contains first base 18.First base 18 is cavity structure, lower end
It is fixed on bottom plate 1, the upper end is in open-like shape, and intracavity bottom is fixed with Ffirst cylinder 23, the piston rod court of Ffirst cylinder 23
On.18 upper end of first base is provided with macropore positioning sleeve 11, and 11 lower end of macropore positioning sleeve is by screw and 18 upper end of first base
It is connected, 11 upper end of macropore positioning sleeve is provided with macropore guide cover 10.The macropore guide cover 10 is short cylindrical, solid by screw
It is scheduled on the upper end of macropore positioning sleeve 11.The first telescopic rod 22, the cross section of the first telescopic rod 22 are provided in macropore positioning sleeve 11
Shape is adapted with the inner cavity of macropore positioning sleeve 11 and is in be slidably matched between the two.First telescopic rod, 22 lower end and Ffirst cylinder 23
Piston rod upper end be connected, the first telescopic rod 22 under piston rod indentation state between the upper end and macropore positioning sleeve 11 there are
Away from.Circumferentially there are three the first inclined-planes 21 for processing for first telescopic rod, 22 upper end, this three the first inclined-planes 21 are in circumferencial direction in uniform
Arrangement.Equably there are three the first radial holes for processing on 11 side wall circumferencial direction of macropore positioning sleeve corresponding with the first inclined-plane 21
20, the first positioning head 19 with the cooperation of the central shaft hole at gear box casing both ends is mounted in the first radial hole 20.Described
One positioning head 19 be it is rod-shaped, inner end be machined with the first inclined-plane 21 cooperation the second inclined-plane, outer end is machined with the first screw hole
191, the first screw hole 191 is internally screwed with the first screw 192.Wherein, dovetail groove is machined on first inclined-plane 21, on the second inclined-plane
Dovetails are machined with, the dovetails are in slide up and down shape to be placed in dovetail groove.
As shown in figure 3, the aperture centering machine contains second base 7.The second base 7 is cavity structure, under
End is fixed on bottom plate 1, and the upper end is in open-like shape, and intracavity bottom is fixed with the second oil cylinder 28, the piston rod of the second oil cylinder 28
Upward.7 upper end of second base is provided with aperture positioning sleeve 8, and 8 lower end of aperture positioning sleeve is by screw and 7 upper end phase of second base
Even, 8 upper end of aperture positioning sleeve is provided with aperture guide cover 9.Aperture guide cover 9 is short cylindrical, is connected to aperture by screw
The upper end of positioning sleeve 8.The second telescopic rod 27, the cross section of the second telescopic rod 27 and aperture positioning are provided in aperture positioning sleeve 8
The inner cavity of set 8 is circle, and is in be slidably matched between the two.Second telescopic rod, 27 lower end by screw and the second oil cylinder 28 work
Stopper rod upper end is connected, and there are spacing between the upper end and aperture positioning sleeve 8 under lower contracting state for the second telescopic rod 27.Second telescopic rod
The processing of 27 upper ends opposite side is there are two third inclined-plane 25, on 8 side wall of aperture positioning sleeve corresponding with third inclined-plane 25 there are two Seiko
Second radial hole is provided with the second positioning head 24 with the cooperation of the bearing hole at gear box casing both ends in the second radial hole.The
Two positioning heads 24 be it is rod-shaped, inner end be machined with third inclined-plane 25 cooperate the 4th inclined-plane, outer end is machined with the second screw hole
241, the second screw hole 241 is internally screwed with the second screw 242.Wherein, dovetail groove is machined on the third inclined-plane 25, on the 4th inclined-plane
Dovetails are machined with, the dovetails are in slide up and down shape to be placed in dovetail groove.
See that Fig. 1 and Fig. 2, the main pressure mechanism contain main supporting block 13 and the first lever oil cylinder,.The main supporting block 13 is
Rectangular block is fixed on bottom plate 1 by screw.First lever oil cylinder contains third pedestal 15, third oil cylinder 16 and
One compression bar 14, third pedestal 15 is adjacent with third oil cylinder 16, and the cylinder body of third oil cylinder 16 is fixed on third pedestal 15, piston
Bar is upward.The third pedestal 15 of neighbouring main supporting block 13 is provided on one side sells the first key seat 17 that ears are constituted by two, and first
14 one end of compression bar and centre are respectively hinged between the piston rod outer end of third oil cylinder 16 and two pin ears by pin shaft, and are made
First compression bar, 14 other end is located on main supporting block 13.
The auxiliary pressing mechanism contains auxiliary supporting block 4 and the second lever oil cylinder, and the auxiliary supporting block 4 is rectangular block, by
Screw is fixed on bottom plate 1.Second lever oil cylinder contains the 4th pedestal 3, the 4th oil cylinder 5 and the second compression bar 6, the 4th pedestal 3 with
4th oil cylinder 5 is adjacent, and the cylinder body of the 4th oil cylinder 5 is fixed on the 4th pedestal 3, and piston rod is upward.The of neighbouring auxiliary supporting block 4
Four pedestals 3 are fixed on one side sells the second key seat 26 that ear is constituted by two, and 6 one end of the second compression bar and centre are by pin shaft point
It is not hinged between the piston rod outer end of the 4th oil cylinder 5 and two pin ears, and 6 other end of the second compression bar is made to be located at auxiliary supporting block 4
On.
When processing, the bearing hole and macropore centering machine at gear box casing top center cooperate, gear box casing top one
The small bearing hole and aperture centering machine of side cooperate.Main pressure mechanism and end face of flange of the auxiliary pressing mechanism with gear box casing bottom
Cooperation.Guide post 2 and gear box casing flange in the bottom periphery cooperate.To clamp gear box casing, realize to transmission housing
Clamping, the positioning of body.
Claims (7)
1. a kind of fixture for processing gear box shell, including bottom plate；It is characterized by: having on bottom plate for respectively to speed change
The macropore centering machine and aperture centering machine that the macropore and aperture of tank shell are positioned；Macropore centering machine and aperture centering
It is evenly equipped with main pressure mechanism on the bottom plate of mechanism surrounding, has auxiliary pressing mechanism between adjacent main pressure mechanism；Main pressure mechanism and adjacent
There is guide post between auxiliary pressing mechanism.
2. the fixture according to claim 1 for processing gear box shell, it is characterised in that: the macropore centering machine
Contain first base；First base is cavity structure, and lower end is fixed on bottom plate, and the upper end is in open-like shape, intracavity bottom
It is fixed with the first oil cylinder, the piston rod of the first oil cylinder is upward；There is macropore positioning sleeve in first base upper end；Macropore positioning sleeve lower end with
First base upper end is connected, and macropore positioning set upper side is connected with macropore guide cover；There is the first telescopic rod in macropore positioning sleeve, first stretches
Contracting bar lower end is connected with the piston rod upper end of the first oil cylinder, and the first telescopic rod the upper end and macropore under indentation state position inner room
There is spacing；First telescopic rod upper end is circumferentially uniformly distributed there are three the first inclined-plane, on macropore positioning sleeve side wall corresponding with the first inclined-plane
There is the first radial hole, there is the first positioning head with the cooperation of the central shaft hole at gear box casing both ends in the first radial hole；First
Positioning head be it is rod-shaped, there is the second inclined-plane with the cooperation of the first inclined-plane in inner end, and there is the first screw hole in outer end, and the first screw hole is internally screwed with
First screw.
3. the fixture according to claim 2 for processing gear box shell, it is characterised in that: have on first inclined-plane
Dovetail groove, there is dovetails on the second inclined-plane, and the dovetails are placed in dovetail groove in sliding up and down shape.
4. the fixture according to claim 1 for processing gear box shell, it is characterised in that: the aperture centering machine
Contain second base；The second base is cavity structure, and lower end is fixed on bottom plate, and the upper end is in open-like shape, inner cavity
Bottom is fixed with the second oil cylinder, and the piston rod of the second oil cylinder is upward；There is aperture positioning sleeve in second base upper end；Under aperture positioning sleeve
End is connected with second base upper end, and aperture positioning set upper side is connected with aperture guide cover；There is the second telescopic rod in aperture positioning sleeve, the
Two telescopic rod lower ends are connected with the piston rod upper end of the second oil cylinder, and the second telescopic rod the upper end and aperture under indentation state position
Inner room has spacing；Second telescopic rod upper end opposite side is there are two third inclined-plane, on aperture positioning sleeve side wall corresponding with third inclined-plane
There is the second radial hole, there is the second positioning head with the cooperation of the bearing hole at gear box casing both ends in the second radial hole；Second is fixed
Potential head be it is rod-shaped, there is the 4th inclined-plane with the cooperation of third inclined-plane in inner end, and there is the second screw hole in outer end, and the second screw hole is internally screwed with the
Two screws.
5. the fixture according to claim 4 for processing gear box shell, it is characterised in that: have on the third inclined-plane
Dovetail groove, there is dovetails on the 4th inclined-plane, and the dovetails are placed in dovetail groove in sliding up and down shape.
6. the fixture according to claim 1 for processing gear box shell, it is characterised in that: the main pressure mechanism contains
Main supporting block and the first lever oil cylinder, the main supporting block are rectangular block, are fixed on bottom plate by screw；First thick stick
Rod oil cylinder contains third pedestal, third oil cylinder and the first compression bar, and third pedestal is adjacent with third oil cylinder, and the cylinder body of third oil cylinder is solid
It is scheduled on third pedestal, piston rod is upward；The third pedestal of neighbouring main supporting block have on one side by two sell that ears constitute the
One key seat, first compression bar one end and it is intermediate by pin shaft be respectively hinged at third oil cylinder piston rod outer end and two pin ears it
Between, and it is located at the first compression bar other end on main supporting block.
7. the fixture according to claim 1 for processing gear box shell, it is characterised in that: the auxiliary pressing mechanism contains
Auxiliary supporting block and the second lever oil cylinder, the auxiliary supporting block are rectangular block, are fixed on bottom plate by screw；Second lever oil
Cylinder contains the 4th pedestal, the 4th oil cylinder and the second compression bar, and the 4th pedestal is adjacent with the 4th oil cylinder, and the cylinder body of the 4th oil cylinder is fixed on
On 4th pedestal, piston rod is upward；4th pedestal of neighbouring auxiliary supporting block has on one side sells the second pin that ear is constituted by two
Seat, second compression bar one end and centre are respectively hinged between the piston rod outer end of the 4th oil cylinder and two pin ears by pin shaft,
And it is located at the second compression bar other end on auxiliary supporting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920219164.1U CN209698549U (en) | 2019-02-25 | 2019-02-25 | A kind of fixture for processing gear box shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920219164.1U CN209698549U (en) | 2019-02-25 | 2019-02-25 | A kind of fixture for processing gear box shell |
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| Publication Number | Publication Date |
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| CN209698549U true CN209698549U (en) | 2019-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920219164.1U Active CN209698549U (en) | 2019-02-25 | 2019-02-25 | A kind of fixture for processing gear box shell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109759870A (en) * | 2019-02-25 | 2019-05-17 | 无锡瑞真精机股份有限公司 | A kind of fixture for processing gear box shell |
-
2019
- 2019-02-25 CN CN201920219164.1U patent/CN209698549U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109759870A (en) * | 2019-02-25 | 2019-05-17 | 无锡瑞真精机股份有限公司 | A kind of fixture for processing gear box shell |
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