CN207577211U - A kind of automobile connecting bar hole punched device - Google Patents
A kind of automobile connecting bar hole punched device Download PDFInfo
- Publication number
- CN207577211U CN207577211U CN201721767361.4U CN201721767361U CN207577211U CN 207577211 U CN207577211 U CN 207577211U CN 201721767361 U CN201721767361 U CN 201721767361U CN 207577211 U CN207577211 U CN 207577211U
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- China
- Prior art keywords
- hole
- head
- punch
- lower die
- clamp formwork
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Abstract
The utility model discloses a kind of automobile connecting bar hole punched devices; including rack; work top is provided in the rack; lower die is detachably installed on work top; column is provided in rack; column is slidably fitted with head vertically; the lower end of head is equipped with upper mold; lower chambers are provided in lower die; it is provided in lower die and work top and the macropore of connecting rod and aperture big material-dropping hole and small material-dropping hole correspondingly; the lower end of big material-dropping hole and small material-dropping hole is provided with collection frame, and mould emptier is provided in lower die；Upper mold includes upper clamp formwork, big punch and small punch, big punch and small punch are fixed on head and corresponding vertically one by one with big material-dropping hole and small material-dropping hole, upper clamp formwork vertical sliding is installed on head and fastening spring is provided between head, fastening spring is pressed between head and upper clamp formwork in advance, the lower part of upper clamp formwork is provided with upper chamber, the hole punched device is efficient, and lower die stripping result is good.
Description
Technical field
The utility model is related to automotive field more particularly to a kind of automobile connecting bar hole punched devices.
Background technology
Punching refers to get various figures on the materials such as steel plate, leather, cloth, plank to adapt to different demands, punching production
Product are suffered from not by its good practicability and its aesthetic features for having in various aspects such as industry, building and designs
Same purposes, therefore, requirement of the different users to various aspects such as specification, the patterns of punched product is also different.
As demand of the people to automobile increasingly increases, the rapid rising of automobile industry, the production of automobile all parts needs
The amount of asking is increasing, and automobile connecting bar is no exception, and connecting rod is made of three parts, claims small end of connecting rod with the part of piston pin connection,
The part being connect with bent axle claims big end, and the bar portion for connecting microcephaly and major part claims connecting rod shank.Small end of connecting rod is mostly thin-wall circular
Loop configuration, the abrasion between reduction and piston pin enter thin-walled bronze bushing in small head bore internal pressure, are bored on microcephaly and bushing
Hole or groove milling, so that the oily foam to splash enters the matching surface of lubricating bushings and piston pin, connecting rod shank is a long pole,
Stress is also larger in work, and to prevent its flexural deformation, shaft has to have enough rigidity.For this purpose, vehicular engine
Connecting rod shank mostly using I shape section, I shape section can rigidity and intensity all enough in the case of make quality minimum, it is high-strength
Changing engine has using H-shaped section.Some engines use small end of connecting rod spraying machine oil cooled piston, must longitudinally be bored in shaft
Through-hole, to avoid stress concentration, connecting rod shank is smoothly transitted with microcephaly, major part junction using orthodrome.At present to big
Generally existing is inefficient in head and microcephaly's punch process, the lower halfway problem of moulding/demoulding, how fast and accurately right
The major part of connecting rod and microcephaly are punched out the problem of more being paid close attention to as those skilled in the art.
Utility model content
Technical problem to be solved in the utility model is：A kind of automobile connecting bar hole punched device, connecting bar punching dress are provided
It is good to put punching effect, and lower moulding/demoulding is very thorough, solve punching efficiency existing for previous hole punched device it is low, demoulding be not thorough
The problem of.
In order to solve the above technical problems, the technical solution of the utility model is：A kind of automobile connecting bar hole punched device, including machine
Frame is provided with work top in the rack, lower die is detachably equipped on the work top, is provided in the rack vertical
Column, vertical sliding is equipped with the head driven by punching press power plant on the column, and the lower end of the head is equipped with upper mold,
Setting is provided with and company in the lower die and work top there are one the lower chambers that be adapted tos with connecting rod lower shape in the lower die
The lower end of the macropore and aperture of bar big material-dropping hole and small material-dropping hole correspondingly, the big material-dropping hole and small material-dropping hole is provided with
Collection frame is provided with the mould emptier of upward pushing tow connecting rod in the lower die；The upper mold includes upper clamp formwork, big punch and little Chong
Head, the big punch and small punch are fixed on head and, the upper folder corresponding vertically one by one with big material-dropping hole and small material-dropping hole
Mould vertical sliding is installed on head and fastening spring is provided between head, and the fastening spring is pressed on head and upper folder in advance
Between mould, the lower part of the upper clamp formwork is provided with upper chamber, and upper chamber compresses connecting rod with lower chambers cooperation.
As a preferred solution, the shape of the upper chamber is adapted to connecting rod shaped upper part, under the upper clamp formwork
The upper plane of plane and lower die is positioned in punching and is engaged.
As a preferred solution, the mould emptier includes demoulding mandril, upper location-plate and lower positioning plate, under described
The demoulding through-hole penetrated through vertically is provided on mould and work top, the demoulding mandril is vertically arranged in demoulding through-hole, described
The upper surface of lower die is provided with the stepped hole connected with demoulding through-hole, and ejector spring, upper location-plate spiral shell are equipped in the stepped hole
Line is installed on the upper end of demoulding mandril and in stepped hole, and the ejector spring is pressed between upper location-plate and stepped hole in advance,
The lower end of the lower positioning plate installation demoulding mandril and the lower section for being located at work top, between the lower positioning plate and work top
It is provided with pushing tow gap.
As a preferred solution, at least three groups of guide rods are fixed on the upper clamp formwork, the head includes a punching
Pressing plate is provided with ladder on the pressed sheet and is oriented to mounting hole, and the upper end of three groups of guide rods is oriented to through the ladder of pressed sheet
Mounting hole and location nut is installed, the fastening spring is set on the guide rod, the upper end of the fastening spring is pressed on rank in advance
Ladder is oriented in mounting hole, and the lower end of fastening spring is pressed on upper clamp formwork in advance.
As a preferred solution, the bottom of the big punch is less than the bottom of small punch.
As a preferred solution, the upper compression protrusion for the bar portion for compressing connecting rod, cavity of resorption are provided in the upper chamber
The lower compression protrusion for compressing connecting rod bar portion is provided on room.
As a preferred solution, the punching press power plant uses cylinder or oil cylinder.
After employing above-mentioned technical proposal, the effect of the utility model is：Due to a kind of automobile connecting bar hole punched device, the company
The fastening spring of bar hole punched device is pressed between head and upper clamp formwork in advance, upper clamp formwork can be caused fully to press from both sides downwards in punch process
Bar being close to, punching effect is good, and the mould emptier of upward pushing tow connecting rod is provided in lower die so that lower moulding/demoulding is very thorough,
The lower end of big material-dropping hole and small material-dropping hole is provided with collection frame, can collect the blanking during breaking through in time, avoid blanking mistake
More accumulations influence big punch and small punch is punched out operation.
Be adapted to connecting rod shaped upper part due to the shape of the upper chamber again, the lower plane of the upper clamp formwork and lower die it is upper
Plane is positioned in punching and is engaged, this kind of structure is conducive to automobile connecting bar stress equalization in punch process, punching effect
It is good.
Again since the mould emptier includes demoulding mandril, upper location-plate and lower positioning plate, the lower die and work top
On be provided with the demoulding through-hole penetrated through vertically, the demoulding mandril is vertically arranged in demoulding through-hole, the upper surface of the lower die
The stepped hole connected with demoulding through-hole is provided with, ejector spring is installed in the stepped hole, upper location-plate screw thread is installed on demoulding
The upper end of mandril and in the stepped hole, the ejector spring is pressed between upper location-plate and stepped hole in advance, the lower positioning plate
The lower end of installation demoulding mandril and the lower section for being located at work top, are provided between the lower positioning plate and work top between pushing tow
Gap, the mould emptier are conducive to lower die and are preferably detached with automobile connecting bar, and demoulding is thorough, improve the whole work of automobile connecting bar punching
Make efficiency.
Again due to being fixed at least three groups of guide rods on the upper clamp formwork, the head includes a pressed sheet, the punching press
Ladder is provided on plate and is oriented to mounting hole, the upper end of three groups of guide rods is oriented to mounting hole through the ladder of pressed sheet and is equipped with
Location nut is set with the fastening spring on the guide rod, and the upper end of the fastening spring is pressed on ladder and is oriented in mounting hole in advance,
The lower end of fastening spring is pressed on upper clamp formwork in advance, which is conducive to automobile connecting bar and keeps in punch process stablizing again
Property.
Again since the bottom of the big punch is less than the bottom of small punch, big punch corresponds to rushing for bigger in punch process
Hole area, the structure are conducive to quickly be punched out the macropore of connecting rod, further improve the working efficiency of punching.
Again since the upper compression that the bar portion for compressing connecting rod is provided in the upper chamber is raised, compression is provided in lower chambers
The lower compression protrusion of connecting rod bar portion, compression protrusion and lower compression male cooperation use on this, respectively the upper end of compression connecting rod bar portion
Face and lower face effectively prevent the connecting rod in punch process to be subjected to displacement the situation for being easy to cause punching position inaccuracy.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the structure diagram before the utility model embodiment punching；
Fig. 2 is the structure diagram in the utility model embodiment punch process；
Fig. 3 is structure diagram when the utility model embodiment punching is just completed；
In attached drawing：1. rack；2. work top；3. lower die；4. lower chambers；5. big material-dropping hole；6. small material-dropping hole；7. demoulding
Mandril；8. lower positioning plate；9. upper location-plate；10. ejector spring；11. connecting rod；12. pressed sheet；13. upper clamp formwork；14. guide rod；
15. location nut；16. fastening spring；17. punching press power plant；18. upper chamber；19. small punch；20. big punch；It is pressed on 21.
Tight protrusion；22. lower compress protrusion；23. collection frame.
Specific embodiment
The utility model is described in further detail below by specific embodiment.
As shown in Figs. 1-3, including rack 1, work top 2 is provided in the rack 1 for a kind of automobile connecting bar hole punched device,
Lower die 3 on the work top 2 is detachably installed, column is provided in the rack 1, vertical sliding is installed on the column
Have a head driven by punching press power plant 17, the lower end of the head is equipped with upper mold, in the lower die 3 setting there are one with
The lower chambers 4 of 11 lower shape of connecting rod adaptation, the macropore and aperture with connecting rod 11 are provided in the lower die 3 and work top 2
The lower end of one-to-one big material-dropping hole 5 and small material-dropping hole 6, the big material-dropping hole 5 and small material-dropping hole 6 is provided with collection frame 23,
The mould emptier of upward pushing tow connecting rod 11 is provided in the lower die 3；The upper mold includes upper clamp formwork 13, big punch 20 and little Chong
First 19, the big punch 20 and small punch 19 are fixed on head and vertical corresponding one by one with big material-dropping hole 5 and small material-dropping hole 6,
13 vertical sliding of upper clamp formwork is installed on head and fastening spring 16 is provided between head, and the fastening spring 16 is pre-
It is pressed between head and upper clamp formwork 13, the lower part of the upper clamp formwork 13 is provided with upper chamber 18, and upper chamber 18 coordinates with lower chambers 4
Compress connecting rod 11.
In the present embodiment, the shape of upper chamber 18 is adapted to 11 shaped upper part of connecting rod, the lower plane of the upper clamp formwork 13 and
The upper plane of lower die 3 is positioned in punching and is engaged, and the mould emptier includes demoulding mandril 7, upper location-plate 9 and lower positioning
Plate 8, the demoulding through-hole penetrated through vertically is provided in the lower die 3 and work top 2, and the demoulding mandril 7 is vertically arranged to take off
In mould through-hole, the upper surface of the lower die 3 is provided with the stepped hole connected with demoulding through-hole, and demoulding bullet is equipped in the stepped hole
Spring 10,9 screw thread of upper location-plate are installed on the upper end of demoulding mandril 7 and in stepped holes, and the ejector spring 10 is pressed in advance
Between positioning plate 9 and stepped hole, the lower end of the lower installation of the positioning plate 8 demoulding mandril 7 and the lower section for being located at work top 2, institute
It states and is provided with pushing tow gap between lower positioning plate 8 and work top 2.
In the present embodiment, three groups of guide rods 14 are fixed on upper clamp formwork 13, certainly, guide rod 14 can also be four groups, five groups, six
Group is even more, and the head includes a pressed sheet 12, and ladder is provided on the pressed sheet 12 and is oriented to mounting hole, and described three
The upper end of group guide rod 14 is oriented to mounting hole through the ladder of pressed sheet 12 and is equipped with location nut 15, is set on the guide rod 14
There is the fastening spring 16, the upper end of the fastening spring 16 is pressed on ladder and is oriented in mounting hole in advance, and the lower end of fastening spring 16 is pre-
It is pressed on upper clamp formwork 13.
The bottom of big punch 20 is less than the bottom of small punch 19, certainly, the bottom level of big punch 20 and small punch 19
The bottom level identical purpose that can also realize punching is provided with the upper compression protrusion for the bar portion for compressing connecting rod 11 in upper chamber 18
21, the lower compression protrusion 22 for compressing 11 bar portion of connecting rod is provided in lower chambers 4, the punching press power plant 17 uses cylinder or oil
Cylinder.
During work, hydraulic oil cylinder driving head slide downward, upper mold is fixed on the lower end of head, and upper mold moves downward therewith, directly
The lower compression protrusion 22 of upper compression protrusion 21 and lower chambers 4 to upper chamber 18 compresses the upper surface of 11 bar portion of automobile connecting bar respectively
And lower face, at this point, big punch 20 and small punch 19 are respectively punched out the major part and microcephaly of connecting rod 11,16 He of fastening spring
Ejector spring 10 is compressed, ejector spring 10 and the common further clamping automobile connecting bar 11 of fastening spring 16, from big after punching
The waste material that material-dropping hole 5 and small material-dropping hole 6 are fallen, falls directly into the collection frame 23 of lower part, after the completion of punching, hydraulic oil cylinder driving head
It moves upwards, upper clamp formwork 13 is detached with lower die 3, and fastening spring 16 and ejector spring 10 are sprung back, and demoulding mandril 7 jacks up automobile upwards
Connecting rod 11, thus by 11 fast demoulding of automobile connecting bar.Certainly collection frame 23 can also be positioned on conveyer belt, can in time by
Blanking is transported, in case blanking accumulation influences 11 normal punch work of automobile connecting bar.
The executive devices such as cylinder, the oil cylinder mentioned in the present embodiment are current routine techniques, in April, 2008 Beijing the
Five editions the 28th time printing《Mechanical design handbook the 5th edition》In detailed disclose cylinder, motor and other drivers
The concrete structure and principle of structure and other designs, belong to the prior art, structure is cheer and bright.
Embodiment described above is only the description to the preferred embodiment of the utility model, not as to the utility model
The restriction of range on the basis of the spirit of the design of the utility model is not departed from, is made technical solutions of the utility model various
Deformation and transformation should all be fallen into the protection domain that claims of the utility model determine.
Claims (7)
1. a kind of automobile connecting bar hole punched device, including rack, it is provided with work top in the rack, it is removable on the work top
It unloads and lower die is installed, be provided with column in the rack, vertical sliding is equipped on the column is driven by punching press power plant
Head, the lower end of the head is equipped with upper mold, it is characterised in that：In the lower die setting there are one with connecting rod lower shape
The lower chambers of adaptation, be provided in the lower die and work top with the macropore of connecting rod and aperture correspondingly big material-dropping hole and
The lower end of small material-dropping hole, the big material-dropping hole and small material-dropping hole is provided with collection frame, and upward pushing tow is provided in the lower die and is connected
The mould emptier of bar；The upper mold includes upper clamp formwork, big punch and small punch, and the big punch and small punch are fixed on head
And it is corresponding vertically one by one with big material-dropping hole and small material-dropping hole, the upper clamp formwork vertical sliding is installed on head and between head
Fastening spring is provided with, the fastening spring is pressed between head and upper clamp formwork in advance, and the lower part of the upper clamp formwork is provided with epicoele
Room, upper chamber compress connecting rod with lower chambers cooperation.
2. a kind of automobile connecting bar hole punched device as described in claim 1, it is characterised in that：The shape and connecting rod of the upper chamber
Shaped upper part is adapted to, and the lower plane of the upper clamp formwork and the upper plane of lower die are positioned in punching and be engaged.
3. a kind of automobile connecting bar hole punched device as claimed in claim 2, it is characterised in that：The mould emptier includes demoulding and pushes up
Bar, upper location-plate and lower positioning plate are provided with the demoulding through-hole penetrated through vertically, the demoulding top in the lower die and work top
Bar is vertically arranged in demoulding through-hole, and the upper surface of the lower die is provided with the stepped hole connected with demoulding through-hole, the stepped hole
Ejector spring is inside installed, upper location-plate screw thread is installed on the upper end of demoulding mandril and in stepped hole, the ejector spring
It is pressed between upper location-plate and stepped hole in advance, the lower positioning plate installation demoulds the lower end of mandril and under work top
Side, pushing tow gap is provided between the lower positioning plate and work top.
4. a kind of automobile connecting bar hole punched device as claimed in claim 3, it is characterised in that：It is fixed at least on the upper clamp formwork
Three groups of guide rods, the head include a pressed sheet, and ladder is provided on the pressed sheet and is oriented to mounting hole, three groups of guide rods
Upper end be oriented to through the ladder of pressed sheet and mounting hole and location nut be installed, the clamping bullet is set on the guide rod
Spring, the upper end of the fastening spring are pressed on ladder and are oriented in mounting hole in advance, and the lower end of fastening spring is pressed on upper clamp formwork in advance.
5. a kind of automobile connecting bar hole punched device as claimed in claim 4, it is characterised in that：The bottom of the big punch is less than small
The bottom of punch.
6. such as a kind of automobile connecting bar hole punched device described in any one of claim 1 to 5, it is characterised in that：In the upper chamber
The upper compression protrusion for the bar portion for compressing connecting rod is provided with, the lower compression protrusion for compressing connecting rod bar portion is provided in lower chambers.
7. a kind of automobile connecting bar hole punched device as claimed in claim 6, it is characterised in that：The punching press power plant uses gas
Cylinder or oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721767361.4U CN207577211U (en) | 2017-12-18 | 2017-12-18 | A kind of automobile connecting bar hole punched device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721767361.4U CN207577211U (en) | 2017-12-18 | 2017-12-18 | A kind of automobile connecting bar hole punched device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207577211U true CN207577211U (en) | 2018-07-06 |
Family
ID=62738442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721767361.4U Expired - Fee Related CN207577211U (en) | 2017-12-18 | 2017-12-18 | A kind of automobile connecting bar hole punched device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207577211U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109332497A (en) * | 2018-11-19 | 2019-02-15 | 天津市武清区环球锌业有限公司 | A kind of stamping die being able to maintain to plate scrap portion compresses |
| CN109332490A (en) * | 2018-11-19 | 2019-02-15 | 天津市武清区环球锌业有限公司 | A kind of steel plate bending mold being able to ascend bending precision |
-
2017
- 2017-12-18 CN CN201721767361.4U patent/CN207577211U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109332497A (en) * | 2018-11-19 | 2019-02-15 | 天津市武清区环球锌业有限公司 | A kind of stamping die being able to maintain to plate scrap portion compresses |
| CN109332490A (en) * | 2018-11-19 | 2019-02-15 | 天津市武清区环球锌业有限公司 | A kind of steel plate bending mold being able to ascend bending precision |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180706 Termination date: 20191218 |