CN204108145U - Trimming and piercing die - Google Patents
Trimming and piercing die Download PDFInfo
- Publication number
- CN204108145U CN204108145U CN201420646002.3U CN201420646002U CN204108145U CN 204108145 U CN204108145 U CN 204108145U CN 201420646002 U CN201420646002 U CN 201420646002U CN 204108145 U CN204108145 U CN 204108145U
- Authority
- CN
- China
- Prior art keywords
- slide block
- block
- trimming
- elastic component
- drive 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.)
- Withdrawn - After Issue
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- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The utility model discloses a kind of trimming and piercing die, comprise upper bolster and material pressing core, also comprise drive block, slide block, guide pin bushing, piercing punch and elastic component, described drive block is fixed on described upper bolster, described guide pin bushing and described elastic component are arranged on described material pressing core, and described piercing punch is fixed on the lower end of described slide block, and described slide block and described guide pin bushing are slidably connected, described slide block is driven by the described drive block be arranged at above it, and the lower end of described slide block is overlapped on described elastic component.The size of the slide block of the trimming and piercing die that the utility model provides also just can reduce compared to existing technology naturally accordingly, also solve thus simultaneously mold integral size of the prior art comparatively large, drive and reply the series of problems such as power needed for slide block is larger.
Description
Technical field
The utility model relates to machining equipment, is specifically related to a kind of trimming and piercing die.
Background technology
In fields such as automobile makings, often need to carry out flange, punching and deburring operation to large area plate, Fig. 1 is the partial schematic diagram of trimming and piercing die of the prior art; As shown in Figure 1, this trimming and piercing die comprises piercing punch 12, slide block 11 and lower drive block 13, piercing punch 12 is fixed in one end of slide block 11, the other end of slide block 11 is slidably connected by wedge structure and lower drive block 13, lower drive block 13 is fixed in the die shoe (not shown) of trimming and piercing die, add man-hour, upper bolster (not shown) moves down and presses to processed plate, in folding process, force slide block 11 to move down and drive piercing punch 12 thus, piercing punch 12 presses to plate to complete punching operation.
The deficiencies in the prior art part is, lower drive block 13 can not be installed on the plate FX at die shoe upper surface center, the outer rim position of die shoe can only be arranged on, thus, when the core of plate needs perforate, because hole site is away from the outer rim position of die shoe, slide block 11 is caused to stretch into the length at die shoe center larger, the size making slide block is comparatively large, bring thus mold integral size comparatively large, drive and reply the series of problems such as power needed for slide block 11 is larger.
Utility model content
The purpose of this utility model is to provide a kind of trimming and piercing die, with the problem that the size solving slide block in prior art must be larger.
To achieve these goals, the utility model provides following technical scheme:
A kind of trimming and piercing die, comprise upper bolster and material pressing core, also comprise drive block, slide block, guide pin bushing, piercing punch and elastic component, described drive block is fixed on described upper bolster, described guide pin bushing and described elastic component are arranged on described material pressing core, and described piercing punch is fixed on the lower end of described slide block, and described slide block and described guide pin bushing are slidably connected, described slide block is driven by the described drive block be arranged at above it, and the lower end of described slide block is overlapped on described elastic component.
Above-mentioned trimming and piercing die, the top of described slide block is provided with the pressure return element of 7 fonts, and the movement locus of described drive block is vertical line segment, and the movement locus of described slide block is inclined line segment, and described vertical line segment and inclined line segment have crosspoint.
Above-mentioned trimming and piercing die, the lower end of described drive block is slide plate, and when slide plate snaps in described pressure return element, one end of described drive block is connected on described pressure return element.
Above-mentioned trimming and piercing die, also comprises the limited block be fixed on described material pressing core, and described slide block is provided with ledge structure, and when described elastic component is positioned at nature, described ledge structure is stuck on the lower surface of described limited block.
Above-mentioned trimming and piercing die, described limited block has two, the both sides being arranged at described slide block of two described limited block symmetries.
Above-mentioned trimming and piercing die, described elastic component is tubular structure, and the bottom of described slide block is multidiameter structure, is placed on described tubular structure in the bottom of described multidiameter structure, and the top of described multidiameter structure is overlapped in the top of described tubular structure.
In technique scheme; the trimming and piercing die that the utility model provides; drive part and drive block are fixed on upper bolster; driven portion and slide block and piercing punch are slidably connected on material pressing core; add man-hour; slide block and piercing punch is driven to press to processed plate by drive block, to give plate punching.In trimming and piercing die processing, plate is positioned on die shoe, material pressing core is positioned at above plate, the slide block provided due to the utility model and piercing punch are arranged on material pressing core, thus, slide block and piercing punch can be arranged at plate to be needed directly over punching position, slide block stretches to centre without the need to the outer rim position from die shoe as prior art, the size of the slide block of the trimming and piercing die that the utility model provides also just can reduce compared to existing technology naturally accordingly, also solve mold integral size of the prior art thus larger simultaneously, drive and reply the series of problems such as power needed for slide block is larger.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the utility model, for those of ordinary skill in the art, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the partial schematic diagram of trimming and piercing die of the prior art;
The part-structure schematic diagram of the trimming and piercing die that Fig. 2 provides for the utility model embodiment;
The part exploded perspective view of the trimming and piercing die that Fig. 3 provides for the utility model embodiment;
Fig. 4 is the structural representation of the slide block described in the utility model embodiment;
Fig. 5 is the using state figure of the trimming and piercing die described in the utility model embodiment;
Fig. 6 is the drive block described in the utility model embodiment and the motion state comparison diagram forcing return element.
Description of reference numerals:
11,21, slide block; 12,22, piercing punch; 13, lower drive block; 24, material pressing core; 25, drive block; 26, guide pin bushing; 27, elastic component; 28, return element is forced; 29, slide plate; 210, limited block; The movement locus of A, drive block; A
1, drive block motion starting point; A
2, drive block exercise end; The movement locus of B, pressure return element; B
1, force the motion starting point of return element; B
2, force the motion starting point of return element.
Detailed description of the invention
In order to make those skilled in the art understand the technical solution of the utility model better, below in conjunction with accompanying drawing, the utility model is further detailed.
As shown in Figure 2-5, a kind of trimming and piercing die that the utility model embodiment provides, comprise upper bolster and material pressing core 24, also comprise drive block 25, slide block 21, guide pin bushing 26, piercing punch 22 and elastic component 27, drive block 25 is fixed on upper bolster, and guide pin bushing 26 and elastic component 27 are arranged on material pressing core 24, piercing punch 22 is fixed on the lower end of slide block 21, slide block 21 and guide pin bushing 26 are slidably connected, and slide block 21 is driven by the drive block 25 be arranged at above it, and the lower end of slide block 21 is overlapped on elastic component 27.
Concrete, during trimming and piercing die work, processed plate is fixed on die shoe, press drives upper bolster and material pressing core 24 to move down, material pressing core 24 first contacts and compresses plate, material pressing core 24 no longer moves after compressing plate together with die shoe, and upper bolster then continues to move down, until the deburring sword be fixed on upper bolster completes deburring work.In the present embodiment, drive block 25 is fixed on upper bolster, elastic component 27 and guide pin bushing 26 are fixed on material pressing core 24, slide block 21 and piercing punch 22 are slidably connected with guide pin bushing 26, and before processing, the lower end of slide block 21 is overlapped in the top of elastic component 27, elastic component 27 is only subject to the Action of Gravity Field of slide block 21 and elastic component 27, substantially in the raw, drive block 25 is positioned at the top of slide block 21, and drive block 25 contacts with slide block 21 or has a gap.Add man-hour, first, drive block 25, slide block 21, guide pin bushing 26, piercing punch 22 and elastic component 27 are followed material pressing core 24 and are moved down together with upper bolster, when material pressing core 24 compresses that plate no longer moves down and upper bolster continues to move down, elastic component 27 and guide pin bushing 26 just no longer move owing to being fixed on material pressing core 24, and drive block 25 is followed upper bolster and is continued to move down and will press to slide block 21 and piercing punch 22, because plate is compressed by material pressing core 24 and die shoe, slide block 21 moves down and compression elastic piece 27 due to the pressure follow upper bolster of drive block 25, slide block 21 drives piercing punch 22 to press to plate, press to plate with this piercing punch 22 and complete punch operation.During process finishing, upper bolster moves, due to the return action of elastic component 27, slide block 21 and piercing punch 22 homing.
Obviously, above-mentioned slide block 21 and piercing punch 22 are arranged at plate to be needed directly over punching position, there is no between the size of slide block 21 and board dimensions and contact, the effect of slide block 21 is install piercing punch 22 and the pressure of drive block 25 is passed to piercing punch 22, the size of slide block 21 meets this two conditions, to solve in prior art slide block 21 size thus due to the problem relevant and larger to board dimensions.
In the present embodiment, when the through hole on plate is straight hole (axis direction in hole is vertical direction), axis and the direction of motion of slide block 21 and piercing punch 22 are vertical direction, when the through hole on plate is inclined hole (axis direction in hole is not vertical direction), slide block 21 should be consistent with the angle of inclination of through hole with the direction of motion with the axis of piercing punch 22, further, in the present embodiment, the top of slide block 21 is also provided with one forces return element, the effect of return element is forced to be, when elastic component 27 elasticity is inadequate or slide block 21 is stuck when guide pin bushing is inner, when upper bolster backhaul, drive block 25 is by forcing return element band movable slider 21 and piercing punch 22 backhaul.
In the present embodiment, further, when the through hole of plate is inclined hole, namely when the movement locus of slide block 21 is inclined line segment, the top of slide block 21 is provided with the pressure return element 28 of 7 fonts, because drive block 25 drives by upper bolster, its movement locus is vertical line segment, and vertical line segment and inclined line segment have crosspoint.As shown in Figure 6, the movement locus of drive block 25 is vertical line segment A, and the starting point of vertical line segment A is A
1, terminal is A
2; The movement locus forcing return element 28 is inclined line segment B, and the starting point of inclined line segment B is B
1, terminal is B
2(be sake of clarity in figure, process amplified to the size of A, B, should not treat as full-size(d)); In original position, namely drive block 25 starts the position driving slide block 21, and drive block 25 rightmost side point is A
1, the leftmost side point forcing return element 28 is B
1, force return element 28 leftmost side point B
1be positioned at drive block 25 rightmost side point A
1right side, both do not interfere, along with moving down of drive block 25, drive block 25 rightmost side point moves downward along vertical line segment A, forces return element 28 leftmost side point to move, at the end of punching along inclined line segment B, namely upper bolster moves down into range place, and drive block 25 rightmost side point moves to A
2place, forces return element 28 leftmost side point to move to B
2place, now, because vertical line segment and inclined line segment exist crosspoint, forces return element 28 leftmost side point B
2be positioned at drive block 25 rightmost side point A
2left side, a part for slide block 21 has just snapped in pressure return element 28, if now impaired the or slide block 21 of elastic component 27 is by card, will automatically by forcing return element 28 be with movable slider 21 backhaul when drive block 25 moves.The pressure return element 28 that the present embodiment provides, do not interfere with drive block 25 when driving, in driving process, under not by the effect of other driving force, be seized drive block 25, and make when backhaul and drive block 25 there occurs interference, this completes pressure backhaul.
Obviously, the pressure return element 28 of the above-mentioned type is only applicable to the slide block 21 be in tilted layout, foregoing description left and right only specifically for situation shown in Fig. 6, and all the other types can by that analogy, all applicable.
In the present embodiment, further, the lower end of drive block 25 is slide plate 29, when slide plate 29 snaps in pressure return element 28, the above and below of slide plate 29 contacts slide guide with pressure return element respectively, when mould closes, the stroke that the upper surface of slide plate 29 can limit slide block 21 makes it cannot continue to move downward, and namely completes self-locking.One end of drive block 25 is connected to forces on return element 28.I.e. B in figure 6
2, A
2position, the right-hand member of slide block 21 is connected to the left end forcing return element 28, and now, drive block 25 is mutually stuck with pressure return element 28, and drive block 25 cannot continue to move downward, and namely completes self-locking, has made restriction to the movement travel of drive block 25 and slide block 21.It should be noted that, the stroke up and down of drive block is determined by the stroke of upper bolster, and when drive block 25 with when forcing return element 28 to complete self-locking, upper bolster should be positioned at the lower limit of its movement travel just, and self-locking is herein the supplementary means of drive block 25 Stroke Control.By being provided with self-locking to the size of drive block 25 and pressure return element 28, do not need additionally to arrange self-locking device.
In the present embodiment, preferably, also comprise the limited block 210 be fixed on material pressing core 24, slide block 21 is provided with ledge structure, when elastic component 27 is positioned at nature, ledge structure is stuck on the lower surface of limited block 210.By the motion lower position of above-mentioned self-locking restriction slide block 21, limited the upper limit of movement position of slide block 21 by limited block 210.
Preferred, limited block 210 has two, the both sides being arranged at slide block 21 of two limited block 210 symmetries.Symmetrically arranged limited block 210 makes position-limiting action power put on more uniformly on slide block 21.
In the present embodiment, further, elastic component 27 is tubular structure, and the bottom of slide block 21 is multidiameter structure, is placed on tubular structure in the bottom of multidiameter structure, and the top of multidiameter structure is overlapped in the top of tubular structure.Multidiameter structure and the socket of tubular structure add overlap compared with simple overlap joint more firm, simultaneously, it is inner that a part due to slide block 21 stretches into elastic component 27, add the local radial size of piercing punch accordingly, add it by force intensity, piercing punch 22 is cutter, size is relatively little and easily lose, slide block 21 is stressed member, size counter-knife is larger, also be difficult to lose, a part for slide block 21 can stretch into elastic component 27 and make the whole service life of slide block 21 and piercing punch 22 longer.
Mode above only by illustrating describes some one exemplary embodiment of the present utility model, undoubtedly, for those of ordinary skill in the art, when not departing from spirit and scope of the present utility model, can revise described embodiment by various different mode.Therefore, above-mentioned accompanying drawing is illustrative with being described in essence, should not be construed as the restriction to the utility model claims.
Claims (6)
1. a trimming and piercing die, comprise upper bolster and material pressing core, it is characterized in that, also comprise drive block, slide block, guide pin bushing, piercing punch and elastic component, described drive block is fixed on described upper bolster, and described guide pin bushing and described elastic component are arranged on described material pressing core, described piercing punch is fixed on the lower end of described slide block, described slide block and described guide pin bushing are slidably connected, and described slide block is driven by the described drive block be arranged at above it, and the lower end of described slide block is overlapped on described elastic component.
2. trimming and piercing die according to claim 1, it is characterized in that, the top of described slide block is provided with the pressure return element of 7 fonts, and the movement locus of described drive block is vertical line segment, the movement locus of described slide block is inclined line segment, and described vertical line segment and inclined line segment have crosspoint.
3. trimming and piercing die according to claim 2, is characterized in that, the lower end of described drive block is slide plate, and when slide plate snaps in described pressure return element, one end of described drive block is connected on described pressure return element.
4. trimming and piercing die according to claim 1 and 2, it is characterized in that, also comprise the limited block be fixed on described material pressing core, described slide block is provided with ledge structure, when described elastic component is positioned at nature, described ledge structure is stuck on the lower surface of described limited block.
5. trimming and piercing die according to claim 4, is characterized in that, described limited block has two, the both sides being arranged at described slide block of two described limited block symmetries.
6. trimming and piercing die according to claim 1 and 2, it is characterized in that, described elastic component is tubular structure, and the bottom of described slide block is multidiameter structure, be placed on described tubular structure in the bottom of described multidiameter structure, the top of described multidiameter structure is overlapped in the top of described tubular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420646002.3U CN204108145U (en) | 2014-10-30 | 2014-10-30 | Trimming and piercing die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420646002.3U CN204108145U (en) | 2014-10-30 | 2014-10-30 | Trimming and piercing die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204108145U true CN204108145U (en) | 2015-01-21 |
Family
ID=52325504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420646002.3U Withdrawn - After Issue CN204108145U (en) | 2014-10-30 | 2014-10-30 | Trimming and piercing die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204108145U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104438830A (en) * | 2014-10-30 | 2015-03-25 | 安徽江淮汽车股份有限公司 | Trimming and punching die |
-
2014
- 2014-10-30 CN CN201420646002.3U patent/CN204108145U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104438830A (en) * | 2014-10-30 | 2015-03-25 | 安徽江淮汽车股份有限公司 | Trimming and punching die |
| CN104438830B (en) * | 2014-10-30 | 2016-06-01 | 安徽江淮汽车股份有限公司 | Trimming and piercing die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150121 Effective date of abandoning: 20160601 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |