CN107243736A - A kind of connecting rod shop bolt being oriented to based on wedge slide block press-fits special fixture - Google Patents
A kind of connecting rod shop bolt being oriented to based on wedge slide block press-fits special fixture Download PDFInfo
- Publication number
- CN107243736A CN107243736A CN201710659622.9A CN201710659622A CN107243736A CN 107243736 A CN107243736 A CN 107243736A CN 201710659622 A CN201710659622 A CN 201710659622A CN 107243736 A CN107243736 A CN 107243736A
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- CN
- China
- Prior art keywords
- connecting rod
- clamp body
- press
- oriented
- slide 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.)
- Pending
Links
- 238000007667 floating Methods 0.000 claims abstract description 8
- 208000004141 microcephaly Diseases 0.000 claims description 23
- 230000003028 elevating effect Effects 0.000 claims description 9
- 238000012856 packing Methods 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
- B23P19/006—Holding or positioning the article in front of the applying tool
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The present invention relates to engine truncation connecting rod mounting technology field, especially a kind of connecting rod shop bolt being oriented to based on wedge slide block press-fits special fixture, including clamp body, the bottom of the clamp body is provided with pre-tightening mechanism, level is provided with cylinder on the clamp body, the end of the cylinder is connected with the inclined tapered wedges in upper surface, the clamp body is provided with clamping guide bracket, sliding block is vertically slidably fitted with the clamping guide bracket, the slider bottom and tapered wedges upper contact, the top of the sliding block is installed with floating holding jaw, compared with prior art, the present invention is clamped using wedge, with simple in construction, force increasing ratio is big, the features such as self-locking property is good.And cylinder driving wedge block is used, its is easy to operate, operating efficiency is high.
Description
Technical field
The present invention relates to engine truncation connecting rod mounting technology field, more particularly to a kind of company being oriented to based on wedge slide block
Bar shop bolt press-fits special fixture.
Background technology
Connecting rod is important driving parts in engine, and its major function is that the linear reciprocating motion of piston is converted into song
The rotary motion of axle, outside output torque.Processing and connected mode of the connecting rod by big end hole can be divided into truncation connecting rod and swollen disconnected
A kind of connecting rod, typical body of truncation connecting rod covers dress mode and tightened for pin positioning, bolt.Because connecting rod is installed in engine
When, it is necessary to body lid take apart after embedded bearing shell be arranged on bent axle on.Pin hole processing, one end and pin generally with connecting rod shank and lid
Gap coordinates, and the other end is interference fitted with pin, and interference fit one end needs to use forcing press to be pressed into shop bolt and pin
In the connecting rod dowel hole of interference fit, this needs fixture that there is enough clamping forces to ensure connecting rod position location during press-fiting
It is accurate fixed.In the prior art, using piston hydraulic clamp linkage, clamping pressure is more than 1.5 times of maximum pressure assembling forces, this side
The pressure that formula is produced using press ram realizes that positioning is clamped, although reliable clamping, but its inefficiency, and clamping bar
It is fragile.
The content of the invention
The invention aims to solve to exist in the prior art, efficiency is low, flimsy shortcoming, and the one kind proposed
The connecting rod shop bolt being oriented to based on wedge slide block press-fits special fixture.
To achieve these goals, present invention employs following technical scheme：
A kind of connecting rod shop bolt being oriented to based on wedge slide block of design press-fits special fixture, including clamp body, the folder
Specific bottom is provided with level on pre-tightening mechanism, the clamp body and is provided with cylinder, and the end of the cylinder is connected with upper surface and inclined
Oblique tapered wedges, the clamp body is provided with to clamp vertically is slidably fitted with sliding block on guide bracket, the clamping guide bracket, institute
Slider bottom and tapered wedges upper contact are stated, the top of the sliding block is installed with floating holding jaw, the top of the clamp body
Level is provided with connecting rod division face location-plate, and the both sides of connecting rod division face location-plate are equipped with bolt hole alignment pin and pin is led
Xiang Kong, the Upper vertical of the clamp body is provided with elevating mechanism, and the elevating mechanism is provided with pad block, the bottom of the pad block
Portion both sides are equipped with pad drift.
It is preferred that, the pre-tightening mechanism is included in the microcephaly's bearing for being located at clamp body bottom, microcephaly's bearing along vertical
Direction, which is provided with guide groove, guide groove, is slidably fitted with microcephaly's removable pin, microcephaly's removable pin bottom and microcephaly's rest base
Between be connected with spring, the upper end of microcephaly's removable pin is provided with packing ring.
It is preferred that, the side of the clamp body is provided with cylinder supports plate, and the cylinder is fixed on cylinder supports plate.
It is preferred that, it is connected with wedge contiguous block between the cylinder and tapered wedges.
It is preferred that, it is inlaid with wear-resisting bushing inside the pin pilot hole.
It is preferred that, it is connected with drift retainer plate between the pad block and tip-lever support.
It is preferred that, the elevating mechanism includes tip-lever support, and the pad block is fixed on tip-lever support bottom, the clamp body
Portion both sides are provided with above guide pillar, the tip-lever support vertically is provided with press ram vertically, and the plan vertical of the tip-lever support connects
Push rod is connected to, the lower end of the press ram is fixed on push rod upper end.
It is preferred that, the guide pillar includes the long column and short column of socket, and the lower end of the long column is connected with clamp body top, institute
The upper end for stating short column is fixed on tip-lever support, and long column and the short column junction is set with spacing shim.
A kind of connecting rod shop bolt being oriented to based on wedge slide block proposed by the present invention press-fits special fixture, and beneficial effect exists
In：Compared with prior art, the present invention is clamped using wedge, with simple in construction, and force increasing ratio is big, the features such as self-locking property is good.And
And cylinder driving wedge block is used, its is easy to operate, and operating efficiency is high.
Brief description of the drawings
Fig. 1 press-fits facing for special fixture for a kind of connecting rod shop bolt being oriented to based on wedge slide block proposed by the present invention
Figure；
Fig. 2 press-fits the side view of special fixture for a kind of connecting rod shop bolt being oriented to based on wedge slide block proposed by the present invention
Figure.
In figure：Tapered wedges 1, wedge contiguous block 2, clamping guide bracket 3, sliding block 4, floating holding jaw 5, bolt hole alignment pin 6, pin
Pilot hole 7, connecting rod division face location-plate 8, guide pillar 9, press ram 10, pad block 11, pad drift 12, drift retainer plate
13rd, tip-lever support 14, push rod 15, microcephaly's bearing 16, microcephaly's removable pin 17, packing ring 18, clamp body 19, cylinder supports plate 20, spacing
Pad 21, cylinder 22.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.
A kind of reference picture 1-2, connecting rod shop bolt being oriented to based on wedge slide block press-fits special fixture, including clamp body
19, the bottom of clamp body 19 is provided with pre-tightening mechanism, and pre-tightening mechanism includes the microcephaly's bearing 16, little Tou Zhi for being located at the bottom of clamp body 19
Guide groove is vertically provided with seat 16, microcephaly's removable pin 17 is slidably fitted with guide groove, the bottom of microcephaly's removable pin 17 with
Spring is connected between the bottom of microcephaly's bearing 16, the upper end of microcephaly's removable pin 17 is provided with packing ring 18.Clamp body 19 by bolt with
Press bench T-slot is connected, and promotes the movable pin 17 of microcephaly and packing ring 18 to realize by the inner spring of microcephaly's bearing 16
The pre- clamping of workpiece.
Level is provided with cylinder 22 on clamp body 19, and the side of clamp body 19 is provided with cylinder supports plate 20, and cylinder 22 is fixed
On cylinder supports plate 20.The end of cylinder 22 is connected with the inclined tapered wedges 1 in upper surface, connects between cylinder 22 and tapered wedges 1
It is connected to wedge contiguous block 2.Clamp body 19 clamps provided with guide bracket 3 is clamped and is vertically slidably fitted with sliding block 4 on guide bracket 3,
The bottom of sliding block 4 and the upper contact of tapered wedges 1, the top of sliding block 4 is installed with floating holding jaw 5, the upper level of clamp body 19
Provided with connecting rod division face location-plate 8, the both sides of connecting rod division face location-plate 8 are equipped with bolt hole alignment pin 6 and pin pilot hole
7, wear-resisting bushing is inlaid with inside pin pilot hole 7.Moving up and down simultaneously for sliding block 4 is converted into by moving horizontally for cylinder 22
Drive floating holding jaw 5 to move, and utilize the reverse self-locking of tapered wedges 1 reliably to fix the position of floating paw 5.
The Upper vertical of clamp body 19 is provided with elevating mechanism, and elevating mechanism is provided with pad block 11, and elevating mechanism includes top
Pole socket 14, pad block 11 is fixed on the bottom of tip-lever support 14, and the top both sides of clamp body 19 are provided with guide pillar 9 vertically, and guide pillar 9 includes set
The long column and short column connect, the lower end of long column is connected with the top of clamp body 19, and the upper end of short column is fixed on tip-lever support 14, long column and
Short column junction is set with spacing shim 21.Guide pillar 9 plays guide effect,
The top of tip-lever support 14 is provided with press ram 10 vertically, and the plan vertical of tip-lever support 14 is connected with push rod 15, pressure
The lower end of machine drift 10 is fixed on the upper end of push rod 15.The two bottom sides of pad block 11 are equipped with pad drift 12.Pad block 11 with
Drift retainer plate 13 is connected between tip-lever support 14.Press ram 10 drives tip-lever support 14 along guide pillar about 9 by push rod 15
It is mobile, by the pressure transmission of forcing press be pad drift 12 to the pressure assembling force of pin, realize that pin press-fits.
Operation principle：Connecting rod is laid on fixture, the movable pin 17 of small end of connecting rod pressure microcephaly, pin passes through microcephaly's branch
16 inner springs of seat, which are promoted, makes connecting rod division face be fitted with division face location-plate 8, while bolt hole alignment pin 6 is fixed on division face
Bolt hole realizes that connecting rod is positioned.Load shop bolt after, cylinder 22 by promoting tapered wedges 1 to be moved up with movable slider 4 so that
Floating paw 5 is set to clamp workpiece；Then press ram 10 moves downward promotion push rod 15 and tip-lever support 14 downwards, is fixed on top
Pad block 11 on pole socket 14 drives pad drift 12 to be pressed into connecting rod shop bolt in the alignment pin nail of gonnecting rod body.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (8)
1. a kind of connecting rod shop bolt being oriented to based on wedge slide block press-fits special fixture, including clamp body (19), its feature exists
In：The bottom of the clamp body (19) is provided with level on pre-tightening mechanism, the clamp body (19) and is provided with cylinder (22), the cylinder
(22) end is connected with the inclined tapered wedges in upper surface (1), and the clamp body (19) is provided with clamping guide bracket (3), the folder
Sliding block (4), sliding block (4) bottom and tapered wedges (1) upper contact, institute are vertically slidably fitted with tight guide bracket (3)
The top for stating sliding block (4) is installed with floating holding jaw (5), and the upper level of the clamp body (19) is fixed provided with connecting rod division face
Position plate (8), the both sides of connecting rod division face location-plate (8) are equipped with bolt hole alignment pin (6) and pin pilot hole (7), institute
The Upper vertical for stating clamp body (19) is provided with elevating mechanism, and the elevating mechanism is provided with pad block (11), the pad block
(11) two bottom sides are equipped with pad drift (12).
2. a kind of connecting rod shop bolt being oriented to based on wedge slide block according to claim 1 press-fits special fixture, it is special
Levy and be：The pre-tightening mechanism includes the microcephaly's bearing (16) for being located at clamp body (19) bottom, the interior edge of microcephaly's bearing (16)
Vertical direction is provided with guide groove, is slidably fitted with microcephaly's removable pin (17) in guide groove, microcephaly's removable pin (17) bottom with
Spring is connected between microcephaly's bearing (16) bottom, the upper end of microcephaly's removable pin (17) is provided with packing ring (18).
3. a kind of connecting rod shop bolt being oriented to based on wedge slide block according to claim 1 press-fits special fixture, it is special
Levy and be：The side of the clamp body (19) is provided with cylinder supports plate (20), and the cylinder (22) is fixed on cylinder supports plate
(20) on.
4. a kind of connecting rod shop bolt being oriented to based on wedge slide block according to claim 1 press-fits special fixture, it is special
Levy and be：Wedge contiguous block (2) is connected between the cylinder (22) and tapered wedges (1).
5. a kind of connecting rod shop bolt being oriented to based on wedge slide block according to claim 1 press-fits special fixture, it is special
Levy and be：Wear-resisting bushing is inlaid with inside the pin pilot hole (7).
6. a kind of connecting rod shop bolt being oriented to based on wedge slide block according to claim 1 press-fits special fixture, it is special
Levy and be：Drift retainer plate (13) is connected between the pad block (11) and tip-lever support (14).
7. a kind of connecting rod shop bolt being oriented to based on wedge slide block according to claim 1 press-fits special fixture, it is special
Levy and be：The elevating mechanism includes tip-lever support (14), and the pad block (11) is fixed on tip-lever support (14) bottom, the fixture
Body (19) top both sides are provided with above guide pillar (9), the tip-lever support (14) and are provided with press ram (10) vertically vertically, described
The plan vertical of tip-lever support (14) is connected with push rod (15), and the lower end of the press ram (10) is fixed on push rod (15)
End.
8. a kind of connecting rod shop bolt being oriented to based on wedge slide block according to claim 7 press-fits special fixture, it is special
Levy and be：The guide pillar (9) includes the long column and short column of socket, and the lower end of the long column is connected with clamp body (19) top, institute
The upper end for stating short column is fixed on tip-lever support (14), and long column and the short column junction is set with spacing shim (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710659622.9A CN107243736A (en) | 2017-08-04 | 2017-08-04 | A kind of connecting rod shop bolt being oriented to based on wedge slide block press-fits special fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710659622.9A CN107243736A (en) | 2017-08-04 | 2017-08-04 | A kind of connecting rod shop bolt being oriented to based on wedge slide block press-fits special fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107243736A true CN107243736A (en) | 2017-10-13 |
Family
ID=60012595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710659622.9A Pending CN107243736A (en) | 2017-08-04 | 2017-08-04 | A kind of connecting rod shop bolt being oriented to based on wedge slide block press-fits special fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107243736A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107825354A (en) * | 2017-12-18 | 2018-03-23 | 华南智能机器人创新研究院 | One kind pulls out plug device |
| CN107877135A (en) * | 2017-12-12 | 2018-04-06 | 无锡蠡湖增压技术股份有限公司 | Turbocharging sheath gas mouth and the automatic press-in device of pin |
| CN109128761A (en) * | 2018-09-25 | 2019-01-04 | 苏州富强科技有限公司 | The mounting structure of pressing device and forearm casting wheel assembly synchronous with retarder |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4138780A (en) * | 1977-12-15 | 1979-02-13 | Adolf Jarmann | Tool for removing and inserting bolts in connecting rods |
| CN203092095U (en) * | 2013-01-30 | 2013-07-31 | 广州科技职业技术学院 | Piston rod press fitting mold |
| CN205764770U (en) * | 2016-05-28 | 2016-12-07 | 南宫市精强连杆有限公司 | A kind of pin pressing machine |
| CN205834815U (en) * | 2016-05-30 | 2016-12-28 | 瑞立集团瑞安汽车零部件有限公司 | Universal pneumatic self-locking clip clamper |
| CN207104267U (en) * | 2017-08-04 | 2018-03-16 | 承德苏垦银河连杆有限公司 | A kind of connecting rod shop bolt being oriented to based on wedge slide block is pressed special fixture |
-
2017
- 2017-08-04 CN CN201710659622.9A patent/CN107243736A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4138780A (en) * | 1977-12-15 | 1979-02-13 | Adolf Jarmann | Tool for removing and inserting bolts in connecting rods |
| CN203092095U (en) * | 2013-01-30 | 2013-07-31 | 广州科技职业技术学院 | Piston rod press fitting mold |
| CN205764770U (en) * | 2016-05-28 | 2016-12-07 | 南宫市精强连杆有限公司 | A kind of pin pressing machine |
| CN205834815U (en) * | 2016-05-30 | 2016-12-28 | 瑞立集团瑞安汽车零部件有限公司 | Universal pneumatic self-locking clip clamper |
| CN207104267U (en) * | 2017-08-04 | 2018-03-16 | 承德苏垦银河连杆有限公司 | A kind of connecting rod shop bolt being oriented to based on wedge slide block is pressed special fixture |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107877135A (en) * | 2017-12-12 | 2018-04-06 | 无锡蠡湖增压技术股份有限公司 | Turbocharging sheath gas mouth and the automatic press-in device of pin |
| CN107877135B (en) * | 2017-12-12 | 2023-05-02 | 无锡蠡湖增压技术股份有限公司 | Automatic pressing device for air tap and pin of turbocharging shell |
| CN107825354A (en) * | 2017-12-18 | 2018-03-23 | 华南智能机器人创新研究院 | One kind pulls out plug device |
| CN107825354B (en) * | 2017-12-18 | 2023-09-05 | 华南智能机器人创新研究院 | Rubber plug pulling device |
| CN109128761A (en) * | 2018-09-25 | 2019-01-04 | 苏州富强科技有限公司 | The mounting structure of pressing device and forearm casting wheel assembly synchronous with retarder |
| CN109128761B (en) * | 2018-09-25 | 2023-11-24 | 苏州富强科技有限公司 | Mounting structure of hold-down device and forearm foundry goods and reduction gear synchronizing wheel subassembly |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171013 |