CN203664532U - Material pressing mechanism of trimming die - Google Patents
Material pressing mechanism of trimming die Download PDFInfo
- Publication number
- CN203664532U CN203664532U CN201320890438.2U CN201320890438U CN203664532U CN 203664532 U CN203664532 U CN 203664532U CN 201320890438 U CN201320890438 U CN 201320890438U CN 203664532 U CN203664532 U CN 203664532U
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- CN
- China
- Prior art keywords
- transmission rod
- bar portion
- pressure mechanism
- upper bolster
- feeding pressure
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- Expired - Fee Related
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Abstract
The utility model discloses a material pressing mechanism of a trimming die. The material pressing mechanism comprises a knockout plate, a material pressing plate, a lower dowel bar and an upper dowel bar. The knockout plate is in sliding fit and connection with an upper die seat, the material pressing plate is in sliding fit and connection with the upper die seat, the lower dowel bar is in sliding fit and connection with the upper die seat through a bar portion and is hung on the upper die seat through an upper end cap, the top face of the upper end cap is in contact with the bottom face of the knockout plate, the bar portion is fixedly connected with the material pressing plate, the upper dowel bar is arranged on a machine tool table board of a machine tool sliding block in a penetrating mode, the machine tool table board is used for allowing the upper die seat to be mounted, the upper end face of the upper dowel bar is in contact with a knockout block which is arranged on the machine tool sliding block and controlled by a machine tool air cylinder, and the lower end face of the upper dowel bar is in contact with the top face of the knockout plate. According to the material pressing mechanism of the trimming die, a nitrogen air cylinder is omitted, material pressing and unloading are achieved by utilizing the characteristics of a punching machine tool through the added upper dowel bar and knockout plate, the trouble of mounting the nitrogen air cylinder in the upper die seat is omitted, assembling efficiency is improved, and cost of the trimming die is saved.
Description
Technical field
The utility model relates to a kind of feeding pressure mechanism of Trimming Die, relates in particular to the force application structure of feeding pressure mechanism.
Background technology
Mould is the pith in production auto panel, the mould that Trimming Die is wherein is required form by sheet forming, in Trimming Die, feeding pressure mechanism provides stripping force for after pressure-plate-force being provided in the time carrying out deburring and completing deburring, as shown in Figure 1, the existing feeding pressure mechanism of Trimming Die comprise guide pillar 2 ', holding pad 3 ', work screw 4 ' and nitrogen cylinder 11 ', wherein, guide pillar 2 ' be installed on upper bolster 1 ' on, holding pad 3 ' with guide pillar 2 ' vertically sliding connection, be holding pad 3 ' provide motion guide; Work screw 4 ' with upper bolster 1 ' be vertically slidably matched, and by nut hang upper bolster 1 ' on, in addition, work screw 4 ' be connected with holding pad 3 ' threaded engagement, specifically as shown in Figure 2, holding pad 3 ' be processed with and the screw 4 of working ' external screw thread 41 ' corresponding internal thread 51 ', holding pad 3 ' by internal thread 51 ' with the screw 4 of working ' external screw thread 41 ' threaded engagement be connected; Nitrogen cylinder 11 ' be installed on upper bolster 1 ' upper, and be positioned at holding pad 3 ' top, for holding pad 3 ' provide pressure-plate-force and stripping force are provided.The operation principle of this feeding pressure mechanism is: in the time not carrying out deburring operation, holding pad 3 ' under the effect of gravity is by work screw 4 ' hang over above upper bolster 1, while starting deburring, holding pad 3 ' first contact plate in the process of die shoe 1 ' descending, along with upper bolster 1 ' further descending, holding pad 3 ' start to contact nitrogen cylinder 11 ', nitrogen cylinder 11 ' start is by holding pad 3 ' pressure-plate-force is provided, and this pressure-plate-force in the time of upper bolster 1 ' arrival bottom dead centre (even when the deburring die on upper bolster arrives trim position) reaches maximum; After deburring finishes; upper bolster 1 ' start to drive the backhaul of deburring die up; now; nitrogen cylinder 11 ' by holding pad 3 ' the provide stripping force that plate and deburring die are separated; along with upper bolster 1 ' further backhaul up; by nitrogen cylinder 11 ' offer holding pad 3 ' stripping force reduce gradually, until holding pad 3 ' be separated with plate.
As can be seen here, the pressure-plate-force of the above-mentioned feeding pressure mechanism of Trimming Die and stripping force are by nitrogen cylinder 11 ' provide, therefore its cost is relatively high, and it is very fast in automobile industry development speed, under environment with keen competition between Automobile Enterprises, in how ensuring the quality of products in each link, reduce costs, improving production efficiency is a key factor that wins competition.In addition, above-mentioned work screw 4 ' and holding pad 3 ' between do not prevent the design of rotating, along with the passing of working time, work screw 4 ' existence is from the risk of holding pad 3 ' skid off, cause holding pad 3 ' come off, therefore, also there is the problem that security performance is not high in this kind of feeding pressure mechanism.
Utility model content
The purpose of this utility model is the above defect that the feeding pressure mechanism in order to solve Trimming Die exists, and a kind of lower-cost feeding pressure mechanism is provided.
To achieve these goals, the technical solution adopted in the utility model is: a kind of feeding pressure mechanism of Trimming Die, comprising:
Knockout plate, with the vertically sliding connection of upper bolster of described Trimming Die;
Holding pad, with the vertically sliding connection of described upper bolster;
Lower transmission rod, comprise upper plug head and the bar portion of accepting mutually with upper plug head, described lower transmission rod is by described bar portion and the vertically sliding connection of described upper bolster, described lower transmission rod hangs on described upper bolster by described upper plug head, the end face of described upper plug head contacts with the bottom surface of described knockout plate, and described bar portion is fixedly connected with described holding pad; And,
Upper transmission rod, be arranged in lathe slide block for the lathe table top of described upper bolster is installed, the upper surface of described upper transmission rod contacts with the dnockout piece that is controlled by lathe cylinder being installed on described lathe slide block, and the lower surface of described upper transmission rod contacts with the end face of described knockout plate.
Preferably, described knockout plate is arranged in the storage tank that described upper bolster arranges.
Preferably, described feeding pressure mechanism also comprises the first guide pillar, and described the first guide pillar is fixedly installed in described upper bolster, described knockout plate and the vertically sliding connection of described the first guide pillar.
Preferably, described feeding pressure mechanism also comprises the second guide pillar, and described the second guide pillar is fixedly installed in described upper bolster, described holding pad and the vertically sliding connection of described the second guide pillar.
Preferably, in the bar portion of described lower transmission rod, be provided with antirotation keys, the groove arranging on described antirotation keys and described upper bolster is vertically slidably matched.
Preferably, in the bar portion of described lower transmission rod, be provided with keyway, described antirotation keys is installed in described keyway.
Preferably, described holding pad is provided with inverted countersunk head screwed hole, the bar portion of described lower transmission rod is connected with described countersunk head screwed hole threaded engagement, end in the countersunk head portion that stretches into described countersunk head screwed hole of described bar portion is locked by slotted nut, the end of described bar portion is provided with through hole, one split pin is through the through hole of the groove on described slotted nut and described bar portion, to prevent that described slotted nut from coming off.
The beneficial effects of the utility model are: the feeding pressure mechanism of Trimming Die of the present utility model has omitted nitrogen cylinder, utilize the characteristic of press machine itself to realize binder and discharging by setting up upper transmission rod and knockout plate, both saved the trouble that nitrogen cylinder is installed in upper bolster, promote efficiency of assembling, saved again the cost of Trimming Die.
Accompanying drawing explanation
Fig. 1 shows the enforcement structure of the existing feeding pressure mechanism of Trimming Die;
Fig. 2 shows the syndeton of working between screw and holding pad in Fig. 1;
Fig. 3 shows according to the one of the feeding pressure mechanism of Trimming Die described in the utility model and implements structure;
Fig. 4 shows a kind of syndeton of lower transmission rod shown in Fig. 3;
Fig. 5 is the decomposing schematic representation of the syndeton of lower transmission rod shown in Fig. 4.
Drawing reference numeral:
1 ', 1-upper bolster; 3 ', 3-holding pad;
2 '-guide pillar; 4 '-work screw;
11 '-nitrogen cylinder; 41 '-external screw thread;
51 '-internal thread; 2-the second guide pillar;
Transmission rod under 4-; 5-knockout plate;
6-the first guide pillar; The upper transmission rod of 7-;
31-countersunk head screwed hole; 41-upper plug head;
42-bar portion; 43-slotted nut;
44-antirotation keys; 45-spring shim;
46-keyway; 47-through hole;
48-split pin; A1-lathe cylinder;
A2-dnockout piece; A3-lathe table top.
The specific embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
As shown in Figure 3, the feeding pressure mechanism of Trimming Die of the present utility model comprise knockout plate 5, holding pad 3, lower transmission rod 4 and the upper transmission rod 7 of the screw that is equivalent to work in existing feeding pressure mechanism.This knockout plate 5 is for example the vertically sliding connection of upper bolster 1 with Trimming Die by the first guide pillar 6, at this, knockout plate 5 also can be by the fit structure of chute and slide rail and vertically sliding connection of upper bolster 1, this first guide pillar 6 is fixedly installed in upper bolster 1, at this, a storage tank for accommodating this knockout plate 5 can be set in upper bolster 1.This holding pad 3 is for example that this second guide pillar 2 is fixedly installed in upper bolster 1 by the second guide pillar 2 and vertically sliding connection of upper bolster 1.As shown in Figure 3 and Figure 4, this lower transmission rod 4 comprises upper plug head 41 and the bar portion 42 of accepting mutually with upper plug head 41, lower transmission rod 4 is by bar portion 42 and vertically sliding connection of upper bolster 1, lower transmission rod 4 hangs on upper bolster 1 by upper plug head 41, the end face of upper plug head 41 contacts with the bottom surface of knockout plate 5, and bar portion 42 is fixedly connected with holding pad 3.On this transmission rod 6 be arranged in lathe slide block for installing the lathe table top A3 of die holder 1, the upper surface of upper transmission rod 7 contacts with the dnockout piece A2 that is controlled by lathe cylinder A1 being installed on lathe slide block, the lower surface of upper transmission rod 7 contacts with the end face of knockout plate 5, be passed to holding pad 3 with the active force straight down that lathe cylinder A1 is applied by upper transmission rod 7, knockout plate 5 and lower transmission rod 4, in this explanation, lathe slide block, lathe cylinder A1, lathe table top A3 and dnockout piece A2 are the structure that press machine itself has.
As shown in Figure 4 and Figure 5, in order to prevent that lower transmission rod 4 from rotating, in the bar portion 42 of this lower transmission rod 4, be provided with antirotation keys 44, the groove arranging on antirotation keys 44 and upper bolster is vertically slidably matched, and this antirotation keys 44 can be installed in the keyway 46 arranging in bar portion 42.
The bar portion 42 of this lower transmission rod 4 can be fixedly connected with holding pad 3 by following structure, as shown in Figure 4 and Figure 5, inverted countersunk head screwed hole 31 is set on holding pad 3, the bar portion 42 of lower transmission rod 4 is connected with countersunk head screwed hole 31 threaded engagement, end in the countersunk head portion that stretches into countersunk head screwed hole 31 of bar portion 42 is locked by slotted nut 43, in order to increase coupling mechanism force, can be between slotted nut 43 and the step surface of countersunk head screwed hole 31 sandwiched spring shim 45; In addition, can through hole 47 be set at the end of bar portion 42, and by split pin 48 through the groove on slotted nut 43 and the through hole 47 of bar portion 42, to prevent that slotted nut 43 from coming off, and effectively increased the security of feeding pressure mechanism.
The operation principle of the feeding pressure mechanism of Trimming Die of the present utility model is: in the time not carrying out deburring operation, holding pad 3 is subject to the active force straight down that the lathe cylinder A1 of press machine grants all the time, and holding pad 3 is suspended on above upper bolster 1 by lower transmission rod 4.While starting deburring, holding pad 3 drives in the descending process of upper bolster 1 and first contacts plate at lathe slide block, further descending along with upper bolster 1, the active force straight down that lathe cylinder A1 applies is by upper transmission rod 7, knockout plate 5, lower transmission rod 4 is passed to holding pad 3, and then plate is pushed down, in this process, lower transmission rod 4 after contacting with plate by stop motion, like this, descending along with upper bolster 1, passing down sharp bar 4 can be by knockout plate 5 jack-up on upper bolster in the effect lower support of gravity originally, the gravity etc. of active force straight down that lathe cylinder A1 applies and knockout plate 5 itself is all put on lower transmission rod 4, and then realize effective binder.After deburring finishes, lathe slide block drives upper bolster 1 backhaul up, the active force straight down that lathe cylinder A1 applies is still passed to holding pad 3 by upper transmission rod 7, knockout plate 5, lower transmission rod 4, and then plate and deburring die are thrown off smoothly, completes discharging.As can be seen here, the process of binder is the performance of effectively having utilized press machine completely, although feeding pressure mechanism has omitted nitrogen cylinder, but still can complete binder and discharging action.
Describe structure of the present utility model, feature and action effect in detail according to the embodiment shown in graphic above; the foregoing is only preferred embodiment of the present utility model; but the utility model does not limit practical range with shown in drawing; every change of doing according to conception of the present utility model; or be revised as the equivalent embodiment of equivalent variations; when not exceeding yet description and illustrating contain spiritual, all should be in protection domain of the present utility model.
Claims (7)
1. a feeding pressure mechanism for Trimming Die, is characterized in that, comprising:
Knockout plate, with the vertically sliding connection of upper bolster of described Trimming Die;
Holding pad, with the vertically sliding connection of described upper bolster;
Lower transmission rod, comprise upper plug head and the bar portion of accepting mutually with upper plug head, described lower transmission rod is by described bar portion and the vertically sliding connection of described upper bolster, described lower transmission rod hangs on described upper bolster by described upper plug head, the end face of described upper plug head contacts with the bottom surface of described knockout plate, and described bar portion is fixedly connected with described holding pad; And,
Upper transmission rod, be arranged in lathe slide block for the lathe table top of described upper bolster is installed, the upper surface of described upper transmission rod contacts with the dnockout piece that is controlled by lathe cylinder being installed on described lathe slide block, and the lower surface of described upper transmission rod contacts with the end face of described knockout plate.
2. feeding pressure mechanism according to claim 1, is characterized in that, described knockout plate is arranged in the storage tank that described upper bolster arranges.
3. feeding pressure mechanism according to claim 1, is characterized in that, described feeding pressure mechanism also comprises the first guide pillar, and described the first guide pillar is fixedly installed in described upper bolster, described knockout plate and the vertically sliding connection of described the first guide pillar.
4. feeding pressure mechanism according to claim 1, is characterized in that, described feeding pressure mechanism also comprises the second guide pillar, and described the second guide pillar is fixedly installed in described upper bolster, described holding pad and the vertically sliding connection of described the second guide pillar.
5. feeding pressure mechanism according to claim 1, is characterized in that, in the bar portion of described lower transmission rod, is provided with antirotation keys, and the groove arranging on described antirotation keys and described upper bolster is vertically slidably matched.
6. feeding pressure mechanism according to claim 5, is characterized in that, in the bar portion of described lower transmission rod, is provided with keyway, and described antirotation keys is installed in described keyway.
7. according to the feeding pressure mechanism described in claim 1,5 or 6, it is characterized in that, described holding pad is provided with inverted countersunk head screwed hole, the bar portion of described lower transmission rod is connected with described countersunk head screwed hole threaded engagement, end in the countersunk head portion that stretches into described countersunk head screwed hole of described bar portion is locked by slotted nut, the end of described bar portion is provided with through hole, and a split pin is through the through hole of the groove on described slotted nut and described bar portion, to prevent that described slotted nut from coming off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320890438.2U CN203664532U (en) | 2013-12-30 | 2013-12-30 | Material pressing mechanism of trimming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320890438.2U CN203664532U (en) | 2013-12-30 | 2013-12-30 | Material pressing mechanism of trimming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203664532U true CN203664532U (en) | 2014-06-25 |
Family
ID=50960865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320890438.2U Expired - Fee Related CN203664532U (en) | 2013-12-30 | 2013-12-30 | Material pressing mechanism of trimming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203664532U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106825254A (en) * | 2017-04-14 | 2017-06-13 | 安徽江淮汽车集团股份有限公司 | A kind of flange slitting mould |
| CN108856450A (en) * | 2018-06-08 | 2018-11-23 | 数码模冲压技术（武汉）有限公司 | A kind of Trimming Die for preventing from getting stuck |
-
2013
- 2013-12-30 CN CN201320890438.2U patent/CN203664532U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106825254A (en) * | 2017-04-14 | 2017-06-13 | 安徽江淮汽车集团股份有限公司 | A kind of flange slitting mould |
| CN106825254B (en) * | 2017-04-14 | 2018-06-01 | 安徽江淮汽车集团股份有限公司 | A kind of flange slitting mould |
| CN108856450A (en) * | 2018-06-08 | 2018-11-23 | 数码模冲压技术（武汉）有限公司 | A kind of Trimming Die for preventing from getting stuck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20191230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |