CN210498175U - Trimming and stripping mechanism suitable for hot die forging of pistons with different diameters - Google Patents
Trimming and stripping mechanism suitable for hot die forging of pistons with different diameters Download PDFInfo
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- CN210498175U CN210498175U CN201921411830.8U CN201921411830U CN210498175U CN 210498175 U CN210498175 U CN 210498175U CN 201921411830 U CN201921411830 U CN 201921411830U CN 210498175 U CN210498175 U CN 210498175U
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Abstract
The utility model relates to the technical field of hot die forging and forging, and discloses a trimming stripping mechanism suitable for hot die forging of pistons with different diameters, which comprises a trimming upper die plate and a trimming lower die plate, wherein two trimming station plates are fixedly arranged on the trimming lower die plate, a trimming female die holder is arranged on the trimming station plates, the trimming female die holder is fixedly clamped with a trimming female die through a pressing plate, a piston forging piece is vertically arranged at the inner bottom of the trimming female die, a transition plate is fixedly arranged at the bottom of the trimming upper die plate, four groups of vertical and downward guide pillars provided with die springs are arranged at the lower surface edge part of the transition plate in a rectangular manner, a trimming punch connecting block is fixedly arranged at the lower surface of the transition plate positioned at the middle positions of the four groups of guide pillars, a trimming stripping plate is connected with the bottom end of the trimming punch connecting block, a trimming stripping plate is arranged, four groups of adjusting blocks with adjustable internal control diameters are arranged in the adjusting groove.
Description
Technical Field
The utility model relates to a hot die forging forges technical field, specifically is a material mechanism is taken off in side cut that adapts to different diameter piston hot die forgings.
Background
The piston structure is similar, and the specification is more. The steel piston generally adopts an open type hot die forging process, and different products correspond to different trimming die carrier structures in the forging process. When a product is replaced, a forging die and a trimming die set structure of the product need to be replaced synchronously, and three tools, namely a trimming punch, a trimming female die and a trimming stripper plate, need to be replaced usually during replacement of the trimming die set structure.
Wherein, the design requirement of cutting edge stripper plate is lower, but in order to guarantee intensity, the influence that brings the deformation because of hot forging high temperature when cutting edge is eliminated as far as possible, thickness can thicken usually, and this stripper plate that just leads to the side cut process is great in the production process loss, increases mould adjustment time and manufacturing cost. The piston trimming and stripping mechanism which is suitable for different diameters and high in universality is designed and manufactured, and is produced under the background.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a material mechanism is taken off in side cut that adaptation different diameter pistons hot die forged to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a trimming stripper mechanism that adapts to different diameter piston hot die forgings, including trimming die bed and trimming lower bolster, be fixed with two installation trimming station boards on the trimming lower bolster, install the trimming die seat on the trimming station board, the trimming die seat holds the trimming die through clamp plate fixation clamp, the interior bottom of trimming die is vertical has the piston forging, the bottom fixed mounting of trimming die bed has a cab apron, the lower surface limit portion of crossing the cab apron is the rectangle and arranges and install four vertical decurrent guide pillar that are furnished with the mould spring of group, the lower fixed surface who crosses the cab apron that is located four groups guide pillar intermediate positions installs the trimming drift connecting block, the bottom of trimming drift connecting block is connected with the trimming drift, the bottom of guide pillar compresses tightly through the bolt and installs the trimming stripper plate, the bottom of trimming stripper plate has been seted up the adjustment tank, the inside four groups of adjustment tank have the adjustable internal control diameter.
As a further aspect of the present invention: the guide post and the trimming stripper plate are compressed by the nut, so that the guide post and the trimming stripper plate are convenient to mount and dismount.
As a further aspect of the present invention: the adjusting block is in clearance fit with the adjusting groove of the trimming stripper plate in order to store lubricating oil and compensate errors between the two.
As a further aspect of the present invention: realize cutting edge and take off the material diameter variable, just it can adjust to mean the diameter of taking off on the flitch, realize this function, guarantee simultaneously that the intensity of cutting edge and taking off the flitch is unchangeable, reduce the influence that the piston forging takes off the flitch deformation to the edge, set the adjusting block into T type structure, what the adjusting groove on the flitch was taken off in the cutting edge corresponds also changes T type groove into, because the adjusting block is installed in the T type groove of taking off the flitch, form a half surrounding structure, the aim at who does like this reduces the influence that the fluting can reduce the intensity on taking off the flitch, thereby guarantee the stability of frock.
As a further aspect of the present invention: the adjusting block is adjusted and fixed on the trimming stripper plate through two bolts, the stripping acting force generated by the trimming stripper plate comes from the elastic force of the die springs on the four guide posts, and the range of the stripping capability of the trimming die set can be determined by selecting a proper die spring, so that the adjustable range of the adjusting block on the trimming stripper plate can be determined.
Compared with the prior art, the beneficial effects of the utility model are that: the stripping diameter can be adjusted, and the trimming die frame can be used as long as the trimming punch and the trimming female die are switched, so that the trimming stripper plate does not need to be replaced again, and the efficiency of the switching tool is improved; meanwhile, due to the application of the T-shaped adjusting block structure, the adjusting effect of the T-shaped adjusting block on the stripper plate is reduced to the maximum extent to the influence of the strength of the stripper plate, so that the applicable range of a set of trimming die set is no longer a single piston variety, but the piston trimming within a certain diameter range can be applicable, the trimming application range of the trimming die set is increased due to the adjustability of the stripping diameter, the tool replacing time is shortened, unnecessary tool material loss is avoided, the production cost is saved, and the production efficiency is improved.
Drawings
FIG. 1 is a left external structural diagram of a trimming and stripping mechanism for hot die forging of pistons with different diameters.
Fig. 2 is a front view of the internal structure of the trimming and stripping mechanism for hot die forging of pistons with different diameters.
Fig. 3 is a schematic structural diagram of a trimming and stripping plate in a trimming and stripping mechanism suitable for hot die forging of pistons with different diameters.
Fig. 4 is a schematic structural diagram of a-a in fig. 3.
Wherein: the method comprises the following steps of 1-a transition plate, 2-an edge cutting punch connecting block, 3-a guide post, 4-an edge cutting punch, 5-an edge cutting die, 6-a piston forging, 7-an edge cutting die holder, 8-a pressing plate, 9-an adjusting block, 10-an edge cutting stripper plate, 11-an edge cutting template, 12-an edge cutting station plate and 13-an edge cutting lower template.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example one
Referring to fig. 1-2, a trimming and stripping mechanism suitable for hot die forging of pistons with different diameters comprises a trimming upper die plate 11 and a trimming lower die plate 13, wherein two trimming station plates 12 are fixedly arranged on the trimming lower die plate 13, trimming die sets 7 are arranged on the trimming station plates 12, the trimming die sets 7 fixedly clamp a trimming die 5 through press plates 8, a piston forging 6 is vertically arranged at the inner bottom of the trimming die 5, a transition plate 1 is fixedly arranged at the bottom of the trimming upper die plate 11, four groups of vertically downward guide pillars 3 provided with die springs are arranged at the lower surface edge of the transition plate 1 in a rectangular manner, trimming punch connecting blocks 2 are fixedly arranged at the lower surfaces of the transition plates 1 positioned at the middle positions of the four groups of guide pillars 3, trimming punches 4 are connected to the bottom ends of the trimming punch connecting blocks 2, trimming and stripping plates 10 are tightly pressed at the bottoms of the guide pillars 3 through bolts, the guide post 3 and the trimming stripper plate 10 are pressed tightly through a nut, so that the installation and the disassembly between the guide post and the trimming stripper plate are convenient. The bottom of the trimming stripper plate 10 is provided with an adjusting groove, four groups of adjusting blocks 9 with adjustable internal control diameters are arranged in the adjusting groove, and the adjusting blocks 9 are in clearance fit with the adjusting groove of the trimming stripper plate 10 so as to store lubricating oil and compensate errors between the lubricating oil and the trimming stripper plate.
In order to realize that the cutting edge takes off the material diameter variable, just it can adjust to mean taking off the diameter on the flitch, realize this function, guarantee simultaneously that the intensity that the flitch 10 was taken off in the cutting edge is unchangeable, reduce the influence that piston forging 6 takes off the flitch 10 deformation in the cutting edge, set the adjusting block 9 into T type structure, what the adjusting groove on the flitch 10 was taken off in the cutting edge corresponds also changes T type groove, because the adjusting block 9 is installed in the T type groove that takes off the flitch, form a semi-enclosed structure, the aim at who does like this reduces and to take off the influence that the fluting can reduce the intensity on the flitch 10, thereby guarantee the stability of.
The utility model discloses a theory of operation is: the trimming stripper plate 10 is adjusted by the adjusting block 9 to control the stripping diameter of trimming, the trimming stripper plate 11 is driven by a slide block in a crank press with the equipment model of 250T/315T, under the action of the slide block, the trimming punch 4, the trimming punch connecting block 2, the transition plate 1, the trimming stripper plate 11, the guide post 3 and the trimming stripper plate 10 are driven to move downwards simultaneously, wherein the trimming stripper plate 10 stops moving when touching the flash of the piston forging 6, then a die spring on the guide post 3 is compressed, the trimming punch 4 touches the piston forging 6 to act with the trimming die 5 to generate shearing, the piston forging 6 falls freely, the flash of the piston forging 6 is clamped on the outer diameter of the trimming punch 4, and at the moment, the slide block on the crank press equipment drives the trimming punch 4, the trimming punch connecting block 2, the trimming transition plate 1, the trimming upper die plate 11 and the guide post 3, The trimming stripper plate 10 moves upwards, wherein the die spring on the guide post 3 compresses the trimming stripper plate 10, the trimming stripper plate 10 pushes the flashes of the piston forging 6 to break away from the trimming punch 4, the trimming and stripping process is completed, the trimming diameter can be adjusted, one set of trimming die holder is needed only by switching the trimming punch 4 and the trimming die 5, the trimming stripper plate 10 does not need to be replaced again, and the efficiency of switching the tooling is improved.
Example two
On the basis of the first embodiment, the adjusting block 9 is adjusted and fixed on the trimming stripper plate 10 through two bolts, the stripping acting force generated by the trimming stripper plate 10 comes from the elastic force of the die springs on the four guide posts 3, and the range of the stripping capability of the trimming die set can be determined by selecting a proper die spring, so that the adjustable range of the adjusting block 9 on the trimming stripper plate 10 can be determined.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (5)
1. A trimming and stripping mechanism suitable for hot die forging of pistons with different diameters comprises an trimming upper die plate (11) and a trimming lower die plate (13), wherein two trimming station plates (12) are fixedly arranged on the trimming lower die plate (13), a trimming female die holder (7) is arranged on the trimming station plates (12), a trimming female die (5) is fixedly clamped by the trimming female die holder (7) through a pressing plate (8), the trimming mechanism is characterized in that a piston forging (6) is vertically arranged at the inner bottom of the trimming female die (5), a transition plate (1) is fixedly arranged at the bottom of the trimming upper die plate (11), four groups of vertically downward guide pillars (3) provided with die springs are arranged at the edge part of the lower surface of the transition plate (1) in a rectangular manner, trimming punch connecting blocks (2) are fixedly arranged at the lower surfaces of the transition plates (1) positioned at the middle positions of the four groups of guide pillars (3), and trimming punches (4) are connected at the, the bottom of the guide post (3) is provided with a trimming stripper plate (10) in a pressing mode through a bolt, the bottom of the trimming stripper plate (10) is provided with an adjusting groove, and four groups of adjusting blocks (9) with adjustable internal control diameters are arranged in the adjusting groove.
2. The trimming and stripping mechanism for hot die forging of pistons with different diameters as claimed in claim 1, characterized in that the guide post (3) and the trimming and stripping plate (10) are pressed by a nut.
3. The trimming and stripping mechanism for hot die forging of pistons with different diameters as claimed in claim 2, characterized in that the adjusting block (9) is in clearance fit with the adjusting groove of the trimming and stripping plate (10).
4. The trimming and stripping mechanism for hot die forging of pistons with different diameters as claimed in claim 3, characterized in that the adjusting blocks (9) are arranged in a T-shaped structure, and the adjusting grooves on the trimming and stripping plate (10) are correspondingly arranged in T-shaped grooves.
5. The trimming and stripping mechanism for hot die forging of pistons with different diameters as claimed in any one of claims 1 to 4, wherein the adjusting block (9) is adjusted and fixed on the trimming and stripping plate (10) by two bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921411830.8U CN210498175U (en) | 2019-08-28 | 2019-08-28 | Trimming and stripping mechanism suitable for hot die forging of pistons with different diameters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921411830.8U CN210498175U (en) | 2019-08-28 | 2019-08-28 | Trimming and stripping mechanism suitable for hot die forging of pistons with different diameters |
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| Publication Number | Publication Date |
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| CN210498175U true CN210498175U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921411830.8U Active CN210498175U (en) | 2019-08-28 | 2019-08-28 | Trimming and stripping mechanism suitable for hot die forging of pistons with different diameters |
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| CN (1) | CN210498175U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110385391A (en) * | 2019-08-28 | 2019-10-29 | 安徽安簧机械股份有限公司 | A kind of trimming material removing mechanism adapting to the hot forging of different-diameter piston |
-
2019
- 2019-08-28 CN CN201921411830.8U patent/CN210498175U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110385391A (en) * | 2019-08-28 | 2019-10-29 | 安徽安簧机械股份有限公司 | A kind of trimming material removing mechanism adapting to the hot forging of different-diameter piston |
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