CN201619003U - Special indexing mechanism for processing gear injection mold cavity - Google Patents
Special indexing mechanism for processing gear injection mold cavity Download PDFInfo
- Publication number
- CN201619003U CN201619003U CN2009203099297U CN200920309929U CN201619003U CN 201619003 U CN201619003 U CN 201619003U CN 2009203099297 U CN2009203099297 U CN 2009203099297U CN 200920309929 U CN200920309929 U CN 200920309929U CN 201619003 U CN201619003 U CN 201619003U
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- hole
- mold cavity
- indexing
- index dial
- molding mold
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Abstract
The utility model discloses a special indexing mechanism for processing a gear injection mold cavity. The indexing mechanism comprises a support plate, an indexing plate, a positioning shaft and an inserted pin, wherein a positioning shaft hole is formed in the middle of the support plate, and an inserted pin hole is formed at the upper part of the support plate; the indexing plate adopts a round plate, a positioning hole is formed at the center of the indexing plate, and a plurality of indexing holes are uniformly distributed at the circumference of the indexing plate; the positioning shaft penetrates the positioning hole of the indexing plate and the positioning shaft hole of the support plate, and relatively fixes the gear injection mold cavity to be processed and the indexing plate; and the inserted pin penetrates the inserted pin hole of the support plate and the indexing holes of the indexing plate and relatively fixes the support plate and indexing plate. In the utility model, the indexing plate and the gear injection mold cavity to be processed are fixed together through a simple positioning shaft, and the indexing plate and the support plate are fixed together through the inserted pin penetrating the indexing holes, so that the use is very convenient. The number of the indexing holes can be selected according to different specification requirements, so that the indexing mechanism is suitable for precisely indexing the mold cavities with various specifications.
Description
Technical field
The utility model relates to a kind of gear molding mold cavity and adds the instrument of using man-hour, relates in particular to the indexing mechanism that a kind of gear molding mold cavity adds the special use in man-hour.
Background technology
With gear, the worm gear of engineering plastics injection mo(u)lding, had at present quite widely and used, corresponding mould also has very big demand.Because engineering plastics are in injection molding process, can produce contraction, therefore, the injection mold cavity that adds work gear and worm gear with the modulus cutter of standard is difficult to realize, especially when the die cavity requirement of mould has higher hardness.The key of the die cavity of the helical gear mould that accurate calibration is a machining high-precision, existing processing method is to carry out calibration with dividing head.General universal dividing head is made up of main shaft, index plate, handle, alignment pin and worm gear, worm screw at present, 22 circle holes are arranged on index plate, utilize these locating holes to calculate the workpiece rotational angle during calibration, precision is lower, the workpiece high for cutting precision is difficult to accurate requirement, and calculate loaded down with trivial detailsly, be difficult for to grasp.Simultaneously the aperture on the supporting index plate utilizes drill jig to come outbreak out one by one on the dividing head, and precision existing problems own are carried out the precision that calibration has influenced die cavity especially with it.
The utility model content
The purpose of this utility model provides a kind of indexing mechanism gear molding mold cavity processing technology, that use is simple, calibration is accurate that is used for.
The technical scheme that realizes the utility model purpose is that a kind of gear molding mold cavity is processed special-purpose indexing mechanism, comprises gripper shoe, index dial, locating shaft and latch; Described gripper shoe middle part is provided with positioning shaft hole, and top is provided with pin hole; Described index dial is a disk, and the center is provided with locating hole, is evenly distributed with a plurality of index holes on the circumference; Described locating shaft passes the locating hole of index dial and the positioning shaft hole of gripper shoe, and with gear molding mold cavity to be processed and index dial relative fixed; Described latch passes the pin hole of gripper shoe and the index hole of index dial, and with the two relative fixed.
Described index dial also comprises and a plurality of one to one wire grooves of index hole; Described wire groove communicates with corresponding index hole, and forms uniform breach on the end face of index dial.
Described index dial also comprises the screw that is used for fixing index dial and gear molding mold cavity to be processed.
A kind of gear molding mold cavity is processed special-purpose indexing mechanism and is also comprised hold down gag; Described hold down gag top board, lower platen and go up the location rod, locate rod down; Locate rod on described, locate rod and top board, lower platen flexible connection down, respectively with top board, lower platen and gripper shoe relative fixed.
A kind of gear molding mold cavity is processed special-purpose indexing mechanism and is also comprised cushion block; Described cushion block is fixed on the gripper shoe, comprises and top board, last cushion block, lower cushion block that lower platen is corresponding; The described thickness of going up cushion block, lower cushion block equals the thickness sum of gear molding mold cavity and index dial to be processed.
Described hold down gag also comprises rear fender; Described rear fender is fixed on the back side of gripper shoe, and locating shaft, gripper shoe and rear fender three are fixed.
The utlity model has following beneficial effect: (1) the utility model adopts simple locating shaft that index dial and gear molding mold cavity to be processed are fixed together, with the latch that passes index hole index dial and gripper shoe are fixed together, very easy to use.The utility model can be selected the number of suitable index hole according to different specification requirements, is suitable for the precision indexing to the mold cavity of all size.
(2) uniform locating hole above the index dial of the present utility model and wire groove are with disposable the working it out of accurate wire cutting machine (be careful silk), these index holes need not be beaten wire hole in advance earlier, directly go during the line cutting processing from index dial outside undercutting, form a wire groove, line cuts out an index hole then, from this wire groove, withdraw from index dial again, so circulation, disposable all index holes and the wire groove finished, can reduce wire cutting machine tool like this because the error of constantly shutting down and starting shooting and causing, improved the precision of index dial, added the indexing accuracy in man-hour thereby also just improved this calibration mechanism.
(3) for index dial and gear molding mold cavity to be processed is stably fixing, also be provided with screw on the index dial of the present utility model, screw is fixed index dial and gear molding mold cavity to be processed, screw until the complete completion of processing of gear molding mold cavity to be processed just unclamp.
(4) in order to guarantee that gear molding mold cavity to be processed can not move man-hour adding, the utility model also be provided with specially compress gear molding mold cavity to be processed on, lower platen, simultaneously, in order to cooperate compressing of pressing plate, be fixed with on the gripper shoe thickness equal gear molding mold cavity to be processed and index dial thickness sum on, lower cushion block, like this in processing, on, lower cushion block and location rod will be gone up, lower platen is fixed, on, lower platen props up gear molding mold cavity to be processed, guarantee that it does not have skew, and after what a profile of tooth of processing, also convenient angle of gear molding mold cavity to be processed being rotated an index hole.
(5) the utility model also is provided with rear fender, locating shaft and gripper shoe can better be interfixed.
Description of drawings
Content of the present utility model is easier to be expressly understood in order to make, and according to specific embodiment also in conjunction with the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is a front view of the present utility model.
Fig. 3 is the right view of Fig. 2.
Fig. 4 is the front view of index dial of the present utility model.
Fig. 5 is the front view of gripper shoe of the present utility model.
Label is in the accompanying drawing:
The specific embodiment
(embodiment 1)
See Fig. 1, Fig. 2 and Fig. 3, a kind of gear molding mold cavity of present embodiment is processed special-purpose indexing mechanism, comprises gripper shoe 1, index dial 2, locating shaft 3, latch 4, hold down gag 5, cushion block 6 and screw 7.
What gear molding mold cavity 8 to be processed will be processed is the helical gear of one 1 modulus 53 teeth.
See Fig. 5, gripper shoe 1 middle part is provided with positioning shaft hole 11, and top is provided with pin hole 12, and these two holes are through hole.Positive corresponding up and down be provided with top board hole 13, press down plate hole 14, last cushion block hole 15, lower cushion block hole 16 are blind hole.The back side is provided with and is used for and the fixing blind hole of rear fender 55.
See Fig. 4, index dial 2 is a disk, the center is provided with locating hole 21, be evenly distributed with 53 index holes 22 on the circumference, 53 wire grooves 23 are corresponding one by one with index hole 22, and communicate with corresponding index hole 22, and on the end face of index dial 2, forming uniform breach, index dial 2 also comprises 4 screws 24 that are used for fixing index dial 2 and gear molding mold cavity 8 to be processed.Disposable the working it out of uniform 53 locating holes 22 above the index dial 2 and 53 accurate wire cutting machines of wire groove 23 usefulness (be careful thread), these 53 index holes 22 need not be beaten wire hole in advance earlier, directly go during the line cutting processing from index dial 2 outside undercutting, form a wire groove 23, line cuts out an index hole 22 then, from this wire groove 23, withdraw from index dial 2 again, so circulation, disposable 53 index holes 22 and 53 wire grooves 23 finished, can reduce wire cutting machine tool like this because of the error of constantly shutting down and starting shooting and causing, improve the precision of index dial 2.
See Fig. 1, Fig. 2 and Fig. 3, locating shaft 3 passes the locating hole 21 of index dial 2 and the positioning shaft hole 11 of gripper shoe 1, and screw 7 passes screw 24 with gear molding mold cavity to be processed 8 and index dial 2 relative fixed; Latch 4 passes the pin hole 12 of gripper shoe 1 and the index hole 22 of index dial 2, and with the two relative fixed.4 screws 7 are fixing with gear molding mold cavity 8 to be processed with index dial 2, and these 4 screws 7 just unclamp up to gear molding mold cavity 8 complete completion of processing to be processed.
Hold down gag 5 comprises top board 51, the lower platen 52 of being with through hole, the going up location rod 53, locate rod 54 and rear fender 55 down of band nut.Last location rod 53, locate rod 54 down and flexibly connect with top board 51, lower platen 52; The band nut go up location rod 53, locate that rod 54 passes the through hole of top board hole 13, lower platen 52 of the through hole of top board 51 and gripper shoe 1 and gripper shoe 1 respectively down press down plate hole 14, with top board 51, lower platen 52 and gripper shoe 1 relative fixed.Rear fender 55 is fixed on the back side of gripper shoe 1 by screw 7, and the back side of locating shaft 3 is provided with blind hole, and screw passes rear fender 55 with locating shaft 3 and locating shaft 3 is fixing with rear fender 55.
Cushion block 6 comprises last cushion block 61, the lower cushion block 62 corresponding with top board 51, lower platen 52; Screw 7 passes respectively that cushion block 61 will be gone up in the lower cushion block hole 16 of the through hole of last cushion block hole 15, lower cushion block 62 of the through hole of cushion block 61 and gripper shoe 1 and gripper shoe 1, lower cushion block 62 is fixed on the gripper shoe 1; The thickness of last cushion block 61, lower cushion block 62 equals the thickness sum of gear molding mold cavity to be processed 8 and index dial 2.
The electrode support 91 of electrode 9 is a cuboid, and monodentate 92 is fixed on an end of electrode support, handle 93 and electrode support 1 relative fixed.
With the monodentate 92 of electrode 9 according to being placed on shown in Fig. 2, Fig. 3 in the gear molding mold cavity 8 to be processed, compress top board 51, lower platen 52 backward, make it be close to cushion block 61, lower cushion block 62, open spark machine, the monodentate 92 of electrode 9 forms a profile of tooth in gear molding mold cavity 8 to be processed.Whenever process a profile of tooth, unclamp top board 51, lower platen 52, extract latch 4, index dial 2 is turned over an index hole 22, insert latch 4 again, tighten up top board 51, lower platen 52, reprocess next profile of tooth, gear molding mold cavity 8 to be processed like this and index dial 2 rotate together, can guarantee the accuracy of calibration.
Present embodiment is to be example with the gear of processing 1 modulus, 53 teeth, in fact, indexing mechanism of the present utility model also is applicable to the die cavity of mould of plastics of other model specifications of processing, even the die of all circumference uniform distribution shapes can process, as long as change the shape of monodentate 92.
Should be appreciated that specific embodiment described above only is used to explain the utility model, and be not used in qualification the utility model.Conspicuous variation of being extended out by spirit of the present utility model or change still are among the protection domain of the present utility model.
Claims (6)
1. a gear molding mold cavity is processed special-purpose indexing mechanism, it is characterized in that: comprise gripper shoe (1), index dial (2), locating shaft (3) and latch (4); Described gripper shoe (1) middle part is provided with positioning shaft hole (11), and top is provided with pin hole (12); Described index dial (2) is a disk, and the center is provided with locating hole (21), is evenly distributed with a plurality of index holes (22) on the circumference; Described locating shaft (3) passes the locating hole (21) of index dial (2) and the positioning shaft hole (11) of gripper shoe (1), and with gear molding mold cavity (8) to be processed and index dial (2) relative fixed; Described latch (4) passes the pin hole (12) of gripper shoe (1) and the index hole (22) of index dial (2), and with the two relative fixed.
2. a kind of gear molding mold cavity according to claim 1 is processed special-purpose indexing mechanism, it is characterized in that: described index dial (2) also comprises and a plurality of one to one wire grooves of index hole (22) (23); Described wire groove (22) communicates with corresponding index hole (22), and forms uniform breach on the end face of index dial (2).
3. a kind of gear molding mold cavity according to claim 2 is processed special-purpose indexing mechanism, it is characterized in that: described index dial (2) also comprises the screw (24) that is used for fixing index dial (2) and gear molding mold cavity (8) to be processed.
4. a kind of gear molding mold cavity according to claim 1 is processed special-purpose indexing mechanism, it is characterized in that: also comprise hold down gag (5); Described hold down gag (5) top board (51), lower platen (52) and last location rod (53), locate rod (54) down; Describedly go up location rod (53), locate rod (54) down and flexibly connect, respectively with top board (51), lower platen (52) and gripper shoe (1) relative fixed with top board (51), lower platen (52).
5. a kind of gear molding mold cavity according to claim 4 is processed special-purpose indexing mechanism, it is characterized in that: also comprise cushion block (6); Described cushion block (6) is fixed on the gripper shoe (1), comprises and top board (51), last cushion block (61), lower cushion block (62) that lower platen (52) is corresponding; The described thickness of going up cushion block (61), lower cushion block (62) equals the thickness sum of gear molding mold cavity (8) Yu index dial (2) to be processed.
6. process special-purpose indexing mechanism according to claim 4 or 5 described a kind of gear molding mold cavities, it is characterized in that: described hold down gag (5) also comprises rear fender (55); Described rear fender (55) is fixed on the back side of gripper shoe (1), and locating shaft (3), gripper shoe (1) and rear fender (55) three are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203099297U CN201619003U (en) | 2009-09-09 | 2009-09-09 | Special indexing mechanism for processing gear injection mold cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203099297U CN201619003U (en) | 2009-09-09 | 2009-09-09 | Special indexing mechanism for processing gear injection mold cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201619003U true CN201619003U (en) | 2010-11-03 |
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ID=43022461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203099297U Expired - Fee Related CN201619003U (en) | 2009-09-09 | 2009-09-09 | Special indexing mechanism for processing gear injection mold cavity |
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| Country | Link |
|---|---|
| CN (1) | CN201619003U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104070252A (en) * | 2014-07-03 | 2014-10-01 | 天津商业大学 | Clamp for cutting hollow workpiece into halves |
-
2009
- 2009-09-09 CN CN2009203099297U patent/CN201619003U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104070252A (en) * | 2014-07-03 | 2014-10-01 | 天津商业大学 | Clamp for cutting hollow workpiece into halves |
| CN104070252B (en) * | 2014-07-03 | 2017-08-04 | 天津商业大学 | A kind of fixture for being used to be cut in half hollow workpiece |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHA HONGDA Free format text: FORMER OWNER: JIANGSU CHANGSANJIAO MOULD-CITY DEVELOPMENT CO., LTD. Effective date: 20111014 Free format text: FORMER OWNER: ZHA HONGDA |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 213200 CHANGZHOU, JIANGSU PROVINCE TO: 13961466454 CHANGZHOU, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20111014 Address after: Thirteen billion nine hundred and sixty-one million four hundred and sixty-six thousand four hundred and fifty-four Room 101, unit 18, Hongmei East Village, Tianning District, Changzhou, Jiangsu Patentee after: Cha Hongda Address before: 213200 No. 588 Wu Yi Nan Road, Jiangsu, Changzhou Co-patentee before: Cha Hongda Patentee before: Jiangsu Delta Mould Park Development Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101103 Termination date: 20150909 |
|
| EXPY | Termination of patent right or utility model |