CN204052637U - Sprocket wheel stamping die - Google Patents
Sprocket wheel stamping die Download PDFInfo
- Publication number
- CN204052637U CN204052637U CN201420390630.XU CN201420390630U CN204052637U CN 204052637 U CN204052637 U CN 204052637U CN 201420390630 U CN201420390630 U CN 201420390630U CN 204052637 U CN204052637 U CN 204052637U
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- Prior art keywords
- plate
- centre bore
- material returned
- counterdie
- bar
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Abstract
The utility model discloses a kind of sprocket wheel stamping die, is provided with the first clamping plate, the first rubber blanket and the second clamping plate immediately below the lower mould bottom plate in part of the lower die, and these three parts are worn together by bolt; Lower mould bottom plate end face from the bottom up overlap has counterdie backing plate, counterdie to fill plate and counterdie, and the path sector hole wall of counterdie centre bore is provided with a circle profile of tooth, and in path section, lower material returned punching is housed; The lower connecting plate that bottom surface is rushed in the lower material returned is connected with the first Boards wall by vertical bar; Be arranged with circular hole jumper bar outside centre bore jumper bar, two kinds of jumper bar tops are inserted in hole corresponding to lower material returned punching; Immediately below cope match-plate pattern, overlap has patrix connecting plate, upper die plate and upper mold mounting plate, is provided with the second rubber blanket between upper mold mounting plate and prefabricating plate; Patrix bottom and prefabricating plate centre bore are slidably matched, and patrix top and upper die plate are fixed.This stamping die once can stamp out the circular hole around the profile of tooth of sprocket wheel periphery, centre bore and centre bore, and cost of stamping is cheap, and ram efficiency is high.
Description
Technical field
The utility model belongs to sprocket wheel manufacture field, specifically, particularly relates to a kind of sprocket wheel stamping die.
Background technology
As everyone knows, sprocket wheel is one of vitals in chain drive.At present, the general circular hole adopting punch press to come punching press centre bore and periphery thereof, and adopt milling cutter to process profile of tooth, the production efficiency of this processing method is low, and production cost is high.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of sprocket wheel stamping die, for being improved the production efficiency of sprocket wheel by this stamping die, and reduces production cost simultaneously.
The technical solution of the utility model is as follows: a kind of sprocket wheel stamping die, is characterized in that: this stamping die is made up of part of the upper die and part of the lower die, wherein:
Described part of the lower die comprises lower mould bottom plate (1) and centre bore jumper bar (13), wherein be provided with the first clamping plate (2), the first rubber blanket (3) and the second clamping plate (4) immediately below lower mould bottom plate (1) from top to bottom successively, bolt (5) top is fixed with lower mould bottom plate (1) through after the via hole on these three parts successively, and the lower end of this bolt is set with locking nut (6); Overlap is fixed with counterdie backing plate (7) to described lower mould bottom plate (1) end face successively from the bottom up, counterdie fills plate (8) and counterdie (9), wherein the centre bore (9a) of counterdie (9) is up-small and down-big two-part shoulder hole, the hole wall of its path section is provided with a circle profile of tooth, this profile of tooth opens the upper and lower end to path section, and with sliding matching mode, lower material returned punching (10) is housed in this path section; Described lower material returned punching (10) bottom surface is fixed with one piece of lower connecting plate (11), this connecting plate is positioned at centre bore (9a) the large footpath section of described counterdie (9), and lower connecting plate (11) is fixedly connected with described first clamping plate (2) by least two vertical bars (12), and the through hole that vertically bar and described lower mould bottom plate (1), counterdie backing plate (7) and counterdie fill on plate (8) is slidably matched; The periphery of described centre bore jumper bar (13) is provided with one group of circular hole jumper bar (14) side by side, these two kinds of jumper bar bottoms and described counterdie fill plate (8) and fix, and centre bore jumper bar (13) top is inserted in described lower material returned punching (10) centre bore, circular hole jumper bar (14) top is inserted this lower material returned and is rushed in corresponding via hole, and these two kinds of jumper bars and the lower material returned are rushed (10) and be slidably matched;
Described part of the upper die is located at directly over part of the lower die, and comprise cope match-plate pattern (15), stretching screw (22) and patrix (23), be installed with a die shank (16) in the centre bore of wherein cope match-plate pattern (15); Immediately below described cope match-plate pattern (15), overlap is fixed with patrix connecting plate (17), upper die plate (18) and upper mold mounting plate (19) successively from top to bottom, wherein goes up between mold mounting plate (19) and prefabricating plate (20) and is provided with one piece of second rubber blanket (21); Described stretching screw (22) number is at least two, the head of this stretching screw is arranged in the circular hole of cope match-plate pattern (15), the lower end in stretching screw (22) bar portion, successively through after the via hole on described patrix connecting plate (17), upper die plate (18), upper mold mounting plate (19) and the second rubber blanket (21), is fixedly connected with described prefabricating plate (20); The centre bore of described patrix (23) bottom and prefabricating plate (20) is slidably matched, and this patrix top is inserted in the centre bore of described upper mold mounting plate (19), and fixes with described upper die plate (18) simultaneously; Centre bore material returned bar (24) and circular hole material returned bar (25) is provided with sliding matching mode in the installing hole of described patrix (23), the position of these two kinds of material returned bars respectively with described centre bore jumper bar (13) and circular hole jumper bar (14) one_to_one corresponding, and the upper end of these two kinds of material returned bars all re-packs with one piece of level, (26) are fixed; Described level re-pack (26) be contained in gap fiting mode in the centre bore of patrix connecting plate (17), this level lower end making bar (27) with that re-packs is fixed, and the bottom of this dozen of bars and the centre bore of described die shank (16) are slidably matched; Described level is re-packed between (26) with prefabricating plate (20) and is fixedly connected with by least two upper vertical bars (30), and on this root, vertical bar (30) is slidably matched with described upper die plate (18) and upper mold mounting plate (19) simultaneously;
When part of the upper die moves down, described prefabricating plate (20) first by Work-sheet pressing on counterdie (9) end face, then described patrix (23) bottom stretches out from the centre bore of prefabricating plate (20), and downward stamped workpieces, at this moment described lower material returned punching (10) moves down, and centre bore jumper bar (13) and circular hole jumper bar (14) rush in the hole on (10) from the lower material returned and stretch out, thus stamp out the profile of tooth of sprocket wheel, centre bore and circular hole, last part of the upper die upwards resets, at this moment described lower material returned punching (10) moves reset, centre bore jumper bar (13) and circular hole jumper bar (14) are retracted in the hole of this lower material returned punching, and the waste material in centre of sprocket hole and circular hole ejects by described centre bore material returned bar (24) and circular hole material returned bar (25).
Adopt above technical scheme, this stamping die once can stamp out the circular hole around the profile of tooth of sprocket wheel periphery, centre bore and centre bore, cost of stamping is cheap, and ram efficiency is high, thus effectively can overcome traditional chain wheel mode of production poor efficiency, defect that cost is high, and the structure of this stamping die is simple, easy to implement, punching precision is high.
For the ease of leading to part of the upper die of the present utility model and part of the lower die, described part of the upper die also comprises the guide pillar (28) vertically arranged, this guide pillar top and described upper mold mounting plate (19) are fixed, and the bottom of guide pillar (28) is successively through after the via hole on described second rubber blanket (21) and prefabricating plate (20), insert in the pilot hole on described counterdie (9).
For the ease of positioning workpieces, the end face of described counterdie (9) is vertically fixed with locating pin (29).
Beneficial effect: this stamping die once can stamp out the circular hole around the profile of tooth of sprocket wheel periphery, centre bore and centre bore, cost of stamping is cheap, and ram efficiency is high, thus effectively can overcome traditional chain wheel mode of production poor efficiency, defect that cost is high, and the structure of this stamping die is simple, easy to implement, punching precision is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of counterdie 9 in Fig. 1;
Fig. 3 is that the A-A of Fig. 2 is to sectional view.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Fig. 1,2 and 3, a kind of sprocket wheel stamping die, this stamping die is made up of part of the upper die and part of the lower die.Wherein, described part of the lower die is formed primarily of lower mould bottom plate 1, first clamping plate 2, first rubber blanket 3, second clamping plate 4, bolt 5, locking nut 6, counterdie backing plate 7, counterdie dress plate 8, counterdie 9, lower material returned punching 10, lower connecting plate 11, vertical bar 12, centre bore jumper bar 13, circular hole jumper bar 14, guide pillar 28 and locating pin 29.Wherein, described lower mould bottom plate 1 is fixed on the table top of punch press when installing, the first clamping plate 2, first rubber blanket 3 and the second clamping plate 4 are provided with from top to bottom successively immediately below this lower mould bottom plate 1, described bolt 5 top is fixed with lower mould bottom plate 1 through after the via hole on these three parts successively, and the lower end of this bolt 5 is set with locking nut 6.Adopt above structure, adjust the relative position of the first clamping plate 2 and the second clamping plate 4 by described first rubber blanket 3.
Overlap is fixed with counterdie backing plate 7 to the end face of described lower mould bottom plate 1 successively from the bottom up, counterdie fills plate 8 and counterdie 9, wherein the centre bore 9a of counterdie 9 is up-small and down-big two-part shoulder hole, the path sector hole wall of this centre bore 9a is provided with a circle profile of tooth, this profile of tooth opens the top and bottom to path section, and the effect of profile of tooth is the profile of tooth formed for punching press on sprocket wheel periphery.Further, the end face of described counterdie 9 is vertically fixed with the locating pin 29 for positioning workpiece.The centre bore 9a path section of described counterdie 9 is built with a lower material returned punching 10, and this lower material returned punching 10 is slidably matched with the path section of centre bore 9a.The described lower material returned is rushed 10 bottom surfaces and is fixed with one piece of lower connecting plate 11, this connecting plate 11 is positioned at the centre bore 9a large footpath section of described counterdie 9, and lower connecting plate 11 is fixedly connected with described first clamping plate 2 by least two vertical bars 12, and the through hole that vertically bar 12 and described lower mould bottom plate 1, counterdie backing plate 7 and counterdie fill on plate 8 is slidably matched.
The periphery of described centre bore jumper bar 13 is provided with one group of circular hole jumper bar 14 side by side, the bottom of centre bore jumper bar 13 and circular hole jumper bar 14 and described counterdie fill plate 8 and fix, and the described lower material returned of insertion of centre bore jumper bar 13 top is rushed in 10 centre bores, circular hole jumper bar 14 top is inserted this lower material returned and is rushed in corresponding via hole, and these two kinds of jumper bars rush 10 with the lower material returned is respectively slidably matched.When the described lower material returned rush 10 pressurizeds move down time, described centre bore jumper bar 13 and circular hole jumper bar 14 stretch out in the hole in lower material returned punching 10, and lower material returned punching 10 drives the first clamping plate 2 to move down by described lower connecting plate 11, vertically bar 12 simultaneously, and compress described first rubber blanket 3.Instantly after distress resolves, described first clamping plate 2 move up under the elastic force effect of the first rubber blanket 3, thus drive in described lower material returned punching 10 and move reset, in the hole corresponding in lower material returned punching 10 and described centre bore jumper bar 13 and circular hole jumper bar 14 are retracted.
As can be seen from Figure 1, described part of the upper die is located at directly over part of the lower die, and re-packs 26 and make bar 27 and form primarily of cope match-plate pattern 15, die shank 16, patrix connecting plate 17, upper die plate 18, upper mold mounting plate 19, prefabricating plate 20, second rubber blanket 21, stretching screw 22, patrix 23, centre bore material returned bar 24, circular hole material returned bar 25, level.Wherein, be installed with a die shank 16 in the centre bore of described cope match-plate pattern 15, during installation, cope match-plate pattern 15 is fixedly connected with the drift part of punch press by connecting plate, and die shank 16 is also fixedly connected with the drift of punch press.
Immediately below described cope match-plate pattern 15, overlap is fixed with patrix connecting plate 17, upper die plate 18 and upper mold mounting plate 19 successively from top to bottom, wherein go up between mold mounting plate 19 and prefabricating plate 20 and be provided with one piece of second rubber blanket 21, and prefabricating plate 20 is located at below mold mounting plate 19.The number of described stretching screw 22 is at least two, the head of this stretching screw 22 is arranged in the circular hole of cope match-plate pattern 15, the lower end in stretching screw 22 bar portion, successively through after the via hole on described patrix connecting plate 17, upper die plate 18, upper mold mounting plate 19 and the second rubber blanket 21, is fixedly connected with described prefabricating plate 20.Adopt above structure, together with just being strained with patrix connecting plate 17, upper die plate 18, upper mold mounting plate 19 by prefabricating plate 20 by stretching screw 22.
As can be seen from Figure 1, the bottom of described patrix 23 and the centre bore of prefabricating plate 20 are slidably matched, and the top of this patrix 23 is inserted in the centre bore of described upper mold mounting plate 19, and fix with described upper die plate 18 simultaneously.Centre bore material returned bar 24 and circular hole material returned bar 25 is provided with sliding matching mode in the installing hole of described patrix 23, the position of these two kinds of material returned bars, number and diameter respectively with described centre bore jumper bar 13 and circular hole jumper bar 14 one_to_one corresponding, be specially centre bore material returned bar 24 corresponding with centre bore jumper bar 13, and circular hole material returned bar 25 is corresponding with circular hole jumper bar 14.Simultaneously, the upper end of described centre bore material returned bar 24 and circular hole material returned bar 25 all re-packs with level and 26 to fix, this level re-packs and 26 is contained in the centre bore of patrix connecting plate 17 with gap fiting mode, this block level re-pack 26 and a lower end making bar 27 fix, the bottom of this dozen of bars 27 and the centre bore of described die shank 16 are slidably matched.Described level is re-packed between 26 with prefabricating plate 20 and is fixedly connected with by least two upper vertical bars 30, and on this root, vertical bar 30 is slidably matched with described upper die plate 18 and upper mold mounting plate 19 simultaneously;
In addition, described part of the upper die also comprises at least two guide pillars 28, and this guide pillar 28 is in vertically arranging, and top and the described upper mold mounting plate 19 of guide pillar 28 are fixed, and the bottom of guide pillar 28 is successively through after the via hole on described second rubber blanket 21 and prefabricating plate 20, insert in the pilot hole on described counterdie 9.
When part of the upper die punch press drift drive under to when pressing down, described prefabricating plate 20 first by Work-sheet pressing on counterdie 9 end face, now described patrix 23 stretches out stamped workpieces in the centre bore of prefabricating plate 20, and the second rubber blanket 21 is compressed, simultaneously re-pack 26 drive centre bore material returned bars 24 and circular hole material returned bar 25 of described vertical bar 30 and level is retracted in hole corresponding on patrix 23; After completing press work, the drift of punch press drives on described parts such as cope match-plate pattern 15 grade and moves reset, and described second rubber blanket 21 discharges elastic potential energy, thus re-packed by described vertical bar 30 and level and 26 make centre bore material returned bar 24 and circular hole material returned bar 25 stretch out on patrix 23 in corresponding hole, and then the waste material in centre of sprocket hole and circular hole is ejected, complete material returned step.
With reference to Fig. 1,2 and 3, the operation principle of this stamping die is as follows: when the drift of punch press drives part of the upper die to move down, workpiece (not shown in FIG.) is first pressed on the end face of counterdie 9 by described prefabricating plate 20, at this moment the second rubber blanket 21 is compressed, simultaneously re-pack 26 drive centre bore material returned bars 24 and circular hole material returned bar 25 of described vertical bar 30 and level is retracted in hole corresponding on patrix 23, described patrix 23 bottom is stretched out from the centre bore of prefabricating plate 20 simultaneously, and downward stamped workpieces; Meanwhile, described lower material returned punching 10 moves down under the downforce effect of patrix 23, and centre bore jumper bar 13 and circular hole jumper bar 14 top are stretched out from the hole in lower material returned punching 10, thus the profile of tooth of sprocket wheel is stamped out by the centre bore 9a profile of tooth of counterdie 9, stamped out centre bore and the circular hole of sprocket wheel by described centre bore material returned bar 24 and circular hole material returned bar 25 simultaneously.
After punching press puts in place, the drift of punch press drives on part of the upper die and moves reset, at this moment described lower material returned punching 10 under the effect of the first clamping plate 2, first rubber blanket 3, lower connecting plate 11 and vertical bar 12 on move reset, centre bore jumper bar 13 and circular hole jumper bar 14 are retracted in the hole of this lower material returned punching simultaneously, thus rush 10 by the sprocket wheel top after punching press to outside the centre bore 9a of described counterdie 9 by the lower material returned; Meanwhile, described centre bore material returned bar 24 and circular hole material returned bar 25 bottom the second rubber blanket 21, on vertically bar 30 and level re-pack 26 effect under stretch out outside hole corresponding on patrix 23, thus the waste material in centre of sprocket hole and circular hole is ejected, so just complete the punching operation of a complete sprocket.
The foregoing is only preferred embodiment of the present utility model; it is not restriction with the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. a sprocket wheel stamping die, is characterized in that: this stamping die is made up of part of the upper die and part of the lower die, wherein:
Described part of the lower die comprises lower mould bottom plate (1) and centre bore jumper bar (13), wherein be provided with the first clamping plate (2), the first rubber blanket (3) and the second clamping plate (4) immediately below lower mould bottom plate (1) from top to bottom successively, bolt (5) top is fixed with lower mould bottom plate (1) through after the via hole on these three parts successively, and the lower end of this bolt is set with locking nut (6); Overlap is fixed with counterdie backing plate (7) to described lower mould bottom plate (1) end face successively from the bottom up, counterdie fills plate (8) and counterdie (9), wherein the centre bore (9a) of counterdie (9) is up-small and down-big two-part shoulder hole, the hole wall of its path section is provided with a circle profile of tooth, this profile of tooth opens the upper and lower end to path section, and with sliding matching mode, lower material returned punching (10) is housed in this path section; Described lower material returned punching (10) bottom surface is fixed with one piece of lower connecting plate (11), this connecting plate is positioned at centre bore (9a) the large footpath section of described counterdie (9), and lower connecting plate (11) is fixedly connected with described first clamping plate (2) by least two vertical bars (12), and the through hole that vertically bar and described lower mould bottom plate (1), counterdie backing plate (7) and counterdie fill on plate (8) is slidably matched; The periphery of described centre bore jumper bar (13) is provided with one group of circular hole jumper bar (14) side by side, these two kinds of jumper bar bottoms and described counterdie fill plate (8) and fix, and centre bore jumper bar (13) top is inserted in described lower material returned punching (10) centre bore, circular hole jumper bar (14) top is inserted this lower material returned and is rushed in corresponding via hole, and these two kinds of jumper bars and the lower material returned are rushed (10) and be slidably matched;
Described part of the upper die is located at directly over part of the lower die, and comprise cope match-plate pattern (15), stretching screw (22) and patrix (23), be installed with a die shank (16) in the centre bore of wherein cope match-plate pattern (15); Immediately below described cope match-plate pattern (15), overlap is fixed with patrix connecting plate (17), upper die plate (18) and upper mold mounting plate (19) successively from top to bottom, wherein goes up between mold mounting plate (19) and prefabricating plate (20) and is provided with one piece of second rubber blanket (21); Described stretching screw (22) number is at least two, the head of this stretching screw is arranged in the circular hole of cope match-plate pattern (15), the lower end in stretching screw (22) bar portion, successively through after the via hole on described patrix connecting plate (17), upper die plate (18), upper mold mounting plate (19) and the second rubber blanket (21), is fixedly connected with described prefabricating plate (20); The centre bore of described patrix (23) bottom and prefabricating plate (20) is slidably matched, and this patrix top is inserted in the centre bore of described upper mold mounting plate (19), and fixes with described upper die plate (18) simultaneously; Centre bore material returned bar (24) and circular hole material returned bar (25) is provided with sliding matching mode in the installing hole of described patrix (23), the position of these two kinds of material returned bars respectively with described centre bore jumper bar (13) and circular hole jumper bar (14) one_to_one corresponding, and the upper end of these two kinds of material returned bars all re-packs with one piece of level, (26) are fixed; Described level re-pack (26) be contained in gap fiting mode in the centre bore of patrix connecting plate (17), this level lower end making bar (27) with that re-packs is fixed, and the bottom of this dozen of bars and the centre bore of described die shank (16) are slidably matched; Described level is re-packed between (26) with prefabricating plate (20) and is fixedly connected with by least two upper vertical bars (30), and on this root, vertical bar (30) is slidably matched with described upper die plate (18) and upper mold mounting plate (19) simultaneously;
When part of the upper die moves down, described prefabricating plate (20) first by Work-sheet pressing on counterdie (9) end face, then described patrix (23) bottom stretches out from the centre bore of prefabricating plate (20), and downward stamped workpieces, at this moment described lower material returned punching (10) moves down, and centre bore jumper bar (13) and circular hole jumper bar (14) rush in the hole on (10) from the lower material returned and stretch out, thus stamp out the profile of tooth of sprocket wheel, centre bore and circular hole, last part of the upper die upwards resets, at this moment described lower material returned punching (10) moves reset, centre bore jumper bar (13) and circular hole jumper bar (14) are retracted in the hole of this lower material returned punching, and the waste material in centre of sprocket hole and circular hole ejects by described centre bore material returned bar (24) and circular hole material returned bar (25).
2. sprocket wheel stamping die according to claim 1, it is characterized in that: described part of the upper die also comprises the guide pillar (28) vertically arranged, this guide pillar top and described upper mold mounting plate (19) are fixed, and the bottom of guide pillar (28) is successively through after the via hole on described second rubber blanket (21) and prefabricating plate (20), insert in the pilot hole on described counterdie (9).
3. sprocket wheel stamping die according to claim 1 and 2, is characterized in that: the end face of described counterdie (9) is vertically fixed with locating pin (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420390630.XU CN204052637U (en) | 2014-07-15 | 2014-07-15 | Sprocket wheel stamping die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420390630.XU CN204052637U (en) | 2014-07-15 | 2014-07-15 | Sprocket wheel stamping die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204052637U true CN204052637U (en) | 2014-12-31 |
Family
ID=52194227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420390630.XU Expired - Fee Related CN204052637U (en) | 2014-07-15 | 2014-07-15 | Sprocket wheel stamping die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204052637U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104148510A (en) * | 2014-07-15 | 2014-11-19 | 重庆山青机械制造有限公司 | Sprocket punching die |
-
2014
- 2014-07-15 CN CN201420390630.XU patent/CN204052637U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104148510A (en) * | 2014-07-15 | 2014-11-19 | 重庆山青机械制造有限公司 | Sprocket punching die |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20150715 |
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| EXPY | Termination of patent right or utility model |