CN216575110U - Guide tool for extruding hole in inner hole of worm - Google Patents
Guide tool for extruding hole in inner hole of worm Download PDFInfo
- Publication number
- CN216575110U CN216575110U CN202123380825.5U CN202123380825U CN216575110U CN 216575110 U CN216575110 U CN 216575110U CN 202123380825 U CN202123380825 U CN 202123380825U CN 216575110 U CN216575110 U CN 216575110U
- Authority
- CN
- China
- Prior art keywords
- hole
- punch
- worm
- extruding
- extrusion
- 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.)
- Active
Links
Images
Landscapes
- Forging (AREA)
Abstract
The utility model discloses a guiding tool for extruding a hole in an inner hole of a worm, which comprises a slide seat and an extruding punch head; the sliding seat is arranged on the base and is provided with a stepped through hole, and the stepped through hole comprises a large-diameter section and a small-diameter section which are sequentially arranged from top to bottom; the hole-extruding punch is arranged in the stepped through hole and is in sliding fit with the small-diameter section: the hole extruding punch can move along the length direction of the stepped through hole; the punch head arranged at the lower end of the hole extruding punch head is used for extruding steel balls in the inner hole of the worm blank; the upper end of the hole extruding punch is provided with a large-diameter end, the diameter of the large-diameter end is larger than that of the small-diameter section, and an elastic part is arranged between the large-diameter end and the step of the stepped through hole; an extruder punch capable of extending into the stepped through hole is arranged above the extruding punch. This scheme of adoption gives the extrusion drift with the impact force transmission to through the direction of slide, the worm hole pore wall that the punching press head is crooked to bring when having avoided the hole extrusion is wiped the flower, thereby causes scrapped problem in batches.
Description
Technical Field
The utility model relates to a machinery processing technology field, concretely relates to direction frock that is used for crowded hole of worm hole.
Background
With the increasing requirement of the market on the machining precision of the inner bore of the worm, the inner bore of the worm is machined by adopting a high-precision machine tool, a certain diameter size allowance is reserved in the bore diameter, then the process method of extruding the bore to the designed size by using the steel balls with the corresponding diameters is used more and more commonly, and the process method can obtain the inner bore diameter precision and the inner bore roughness precision with higher precision and good consistency.
However, this process requires that the extruder punch used for hole extrusion must maintain good coaxiality with the inner bore of the worm when reciprocating up and down, otherwise the axial lead of the extruder punch deviates from the axial center of the inner bore of the worm, which leads to the fact that the extruder punch scratches the bore wall of the inner bore of the worm, and causes batch scrapping of the worm.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the above problem, and provides a direction frock for worm hole crowded hole, adopts this scheme, transmits the impact force for the extrusion drift to through the direction of slide, the worm hole pore wall that the punching press head was crooked to be brought when having avoided crowded hole wipes the flower, thereby causes the condemned problem in batches.
The utility model discloses a following technical scheme realizes:
a guide tool for extruding a hole in an inner hole of a worm comprises a sliding seat and an extruding punch;
the sliding seat is arranged on the base and is provided with a stepped through hole, and the stepped through hole comprises a large-diameter section and a small-diameter section which are sequentially arranged from top to bottom; the hole-extruding punch is arranged in the stepped through hole and is in sliding fit with the small-diameter section: the hole extruding punch can move along the length direction of the stepped through hole;
the punch head arranged at the lower end of the hole extruding punch head is used for extruding steel balls in the inner hole of the worm blank;
the upper end of the hole extruding punch is provided with a large-diameter end, the diameter of the large-diameter end is larger than that of the small-diameter section, and an elastic part is arranged between the large-diameter end and the step of the stepped through hole; and an extruder punch capable of extending into the stepped through hole is arranged above the extruding punch.
Compared with the prior art, the problem that the axial lead of the extruder punch deviates from the axis of the inner hole of the worm, so that the extruder punch scratches the hole wall of the inner hole of the worm, and the worm is scrapped in batches can be caused; the device comprises a sliding seat and a hole extrusion punch, wherein the sliding seat is arranged on a base, a worm blank is arranged on the base, a steel ball is arranged at an opening of the worm blank, and the stepped through hole is positioned above the steel ball; the lower end of the hole extrusion punch is provided with a punch matched with an inner hole of a worm blank, and the punch can act on the steel ball; the upper end of the hole extrusion punch is a large-diameter end, the diameter of the large-diameter end is larger than that of a shaft body of the hole extrusion punch and larger than that of a small-diameter section of the stepped through hole, so that the hole extrusion punch cannot be separated from the stepped through hole, an elastic piece is arranged between the large-diameter end and the step of the stepped through hole, the hole extrusion punch is impacted by the punch of the extruder above the stepped through hole, the hole extrusion punch is made to reciprocate up and down, the hole extrusion punch acts on the steel ball to realize hole extrusion, and through the guiding of the sliding seat and the positioning of the hole extrusion punch, the problem that the hole wall of a worm inner hole caused by the deflection of the hole extrusion punch is scratched can be avoided, so that the hole extrusion punch is scrapped in batches, and the hole extrusion punch is suitable for mass production.
Further preferably, an oilless bushing is arranged between the small-diameter section and the hole extruding punch; for realizing the direction of slide to the hole-extruding drift, in this scheme, be provided with oil-free bush in path section inboard, and inside the hole-extruding drift can stretch into oil-free bush to with oil-free bush sliding fit, make the hole-extruding drift can stably realize reciprocating motion.
Further optimizing, the oil-free bushing and the hole extruding punch are in clearance fit; the clearance between the oilless bushing and the hole-extruding punch is within 0.05 mm; the guide mechanism is used for improving the guide precision and enabling the hole extrusion punch head to rapidly realize reciprocating motion.
Further preferably, the clearance between the oilless bushing and the small-diameter section is within 0.05 mm.
Further optimizing, the axes of the hole-extruding punch, the stepped through hole and the inner hole of the worm blank are superposed; for improving the guiding accuracy.
Further optimizing, the coaxiality of the hole extruding punch and the stepped through hole is less than 0.05 mm.
Further preferably, the elastic part adopts a compression spring; the reciprocating motion stability of the hole-extruding punch is improved.
Preferably, a gasket is arranged between the lower end of the elastic part and the step of the stepped through hole; used for fixing the elastic piece and improving the stability of the elastic piece during expansion and contraction.
The extrusion device is further optimized to further comprise a pressing plate arranged at the top of the sliding seat, and a through hole for the punch of the extruder to pass through is formed in the middle of the pressing plate; for reducing the impact to the slide, in this scheme, be equipped with the clamp plate at the slide top, the clamp plate is preferred to pass through bolted connection with the slide, in the extruder drift stretches into the ladder through-hole to when acting on the extrusion drift, the buffer board between slide and the extruder drift can be regarded as to the clamp plate, prevents that the extruder drift from causing direct impact to the slide, makes the slide wearing and tearing, increases life.
Further optimizing, the diameter of the through hole in the middle of the pressing plate is larger than the diameter of the large-diameter end of the hole extruding punch; for preventing the extrusion punch from coming out of the stepped through hole.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the utility model provides a direction frock for worm hole extrusion, adopt this scheme, transmit the impact force to the extrusion drift to through the direction of slide, the worm hole pore wall that has avoided the punching press head skew to bring when extruding the hole wipes the flower, thereby causes the problem of scrapping in batches; the hole extruding machine is simple in structure, convenient and reliable to operate, accurate in positioning, smooth in guiding and high in machining precision, and the existing hole extruding process is greatly improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic structural view of a guiding tool for extruding a hole in an inner bore of a worm according to the present invention;
fig. 2 is a top view of a guiding tool for extruding a hole in an inner bore of a worm according to the present invention;
fig. 3 is a partial view a of a guiding tool for extruding a hole in an inner bore of a worm according to the present invention;
fig. 4 is a partial view B of the guiding tool for extruding the hole in the inner bore of the worm according to the present invention.
Reference numbers and corresponding part names in the drawings:
1-base, 2-slide seat, 3-oilless bush, 4-hole extrusion punch, 5-gasket, 6-elastic piece, 7-pressing plate, 8-extruder punch, 9-worm blank and 10-steel ball.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Examples
The embodiment provides a guide tool for extruding a hole in an inner hole of a worm, which comprises a sliding seat 2 and an extruding punch 4, as shown in fig. 1-4;
the sliding seat 2 is arranged on the base 1, a stepped through hole is formed in the sliding seat 2, and the stepped through hole comprises a large-diameter section and a small-diameter section which are sequentially arranged from top to bottom; the hole-extruding punch 4 is arranged in the stepped through hole, and the hole-extruding punch 4 is in sliding fit with the small-diameter section: the hole extruding punch 4 can move along the length direction of the stepped through hole;
the punch head arranged at the lower end of the hole extruding punch head 4 is used for extruding a steel ball 10 in an inner hole of the worm blank 9;
the upper end of the hole extruding punch 4 is provided with a large-diameter end, the diameter of the large-diameter end is larger than that of the small-diameter section, and an elastic part 6 is arranged between the large-diameter end and the step of the stepped through hole; an extruder punch 8 capable of extending into the stepped through hole is arranged above the extruding punch 4.
Compared with the prior art, the problem that the axial lead of the extruder punch 8 deviates from the axis of an inner hole of the worm, so that the extruder punch 8 scratches the hole wall of the inner hole of the worm, and the worm is scrapped in batches can occur; specifically, the device comprises a sliding seat 2 and a hole extruding punch 4, wherein the sliding seat 2 is arranged on a base 1, a worm blank 9 is arranged on the base 1, a steel ball 10 is arranged at the hole opening of the worm blank 9, and the stepped through hole is positioned above the steel ball 10; the step through hole is internally provided with an extruding punch 4, the extruding punch 4 is used for replacing a punch of a punching machine to act on the steel ball 10, wherein the shaft body of the extruding punch 4 is matched with the small-diameter end of the step through hole to realize the reciprocating motion of the extruding punch from top to bottom, and the lower end of the extruding punch 4 is provided with a punch matched with the inner hole of the worm blank 9, and the punch can act on the steel ball 10; the upper end of the hole extrusion punch head 4 is a large-diameter end, the diameter of the large-diameter end is larger than that of the shaft body of the hole extrusion punch head 4 and larger than that of the small-diameter section of the stepped through hole, the hole extrusion punch head 4 cannot be separated from the stepped through hole, an elastic piece 6 is arranged between the large-diameter end and the step of the stepped through hole, the hole extrusion punch head 4 is impacted by an extruder punch head 8 above the stepped through hole, the hole extrusion punch head 4 is made to reciprocate up and down, the hole extrusion punch head acts on the steel ball 10 to realize hole extrusion, through the guiding of the sliding seat 2 and the positioning of the hole extrusion punch head 4, the problem that the hole wall of a worm inner hole caused by the deflection of the hole extrusion punch head is scratched when the hole extrusion is carried out can be avoided, the batch scrapping is caused, and the hole extrusion device is suitable for mass production.
In this embodiment, an oilless bushing 3 is arranged between the small diameter section and the hole-extruding punch 4; for realizing the direction of slide 2 to crowded hole drift 4, in this scheme, be provided with oilless bush 3 in path section inboard, and crowded hole drift 4 can stretch into oilless bush 3 inside to with oilless bush 3 sliding fit, make crowded hole drift 4 can stably realize reciprocating motion, and among them the ladder through-hole, still be equipped with the hole section that is littleer than path section diameter in path section below, make 3 lower extreme butt hole section tops ladders of oilless bush, prevent that oilless bush 3 from droing.
In the embodiment, the oilless bushing 3 is in clearance fit with the hole-extruding punch 4; the clearance between the oilless bushing 3 and the hole-extruding punch 4 is within 0.05 mm; the guide mechanism is used for improving the guide precision and enabling the hole-extruding punch 4 to rapidly realize reciprocating motion.
In this embodiment, the clearance between the oilless bushing 3 and the small-diameter section is within 0.05 mm.
In this embodiment, the axes of the hole-extruding punch 4, the stepped through hole and the inner hole of the worm blank 9 are overlapped; for improving the guiding accuracy.
In this embodiment, the coaxiality of the hole-extruding punch 4 and the stepped through hole is less than 0.05 mm.
In this embodiment, the elastic member 6 is a compression spring; for improving the stability of the reciprocating motion of the hole-extruding punch 4.
In this embodiment, a gasket 5 is arranged between the lower end of the elastic member 6 and the step of the stepped through hole; for fixing the elastic member 6 and improving the stability of the elastic member 6 when it is extended and retracted.
In the embodiment, the device further comprises a pressing plate 7 arranged at the top of the sliding seat 2, and a through hole for a punch 8 of the extruding machine to pass through is formed in the middle of the pressing plate 7; for reducing the impact to slide 2, in this scheme, be equipped with clamp plate 7 at slide 2 top, clamp plate 7 is preferred to pass through bolted connection with slide 2, stretches into in the ladder through-hole at extruder drift 8 to when acting on crowded hole drift 4, clamp plate 7 can regard as the buffer board between slide 2 and the extruder drift 8, prevents that extruder drift 8 from causing direct impact to slide 2, makes slide 2 wearing and tearing, increases life.
In this embodiment, the diameter of the through hole in the middle of the pressing plate 7 is larger than the diameter of the large-diameter end of the hole-extruding punch 4; for preventing the extrusion punch from coming out of the stepped through hole.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A guide tool for extruding a hole in an inner hole of a worm is characterized by comprising a sliding seat (2) and an extruding punch (4);
the sliding seat (2) is arranged on the base (1), a step through hole is formed in the sliding seat (2), and the step through hole comprises a large-diameter section and a small-diameter section which are sequentially arranged from top to bottom; in the ladder through-hole was located in crowded hole drift (4), crowded hole drift (4) with minor diameter section sliding fit: the hole extruding punch head (4) can move along the length direction of the stepped through hole;
the punch head arranged at the lower end of the hole extruding punch head (4) is used for extruding steel balls (10) in the inner hole of the worm blank (9);
the upper end of the hole extruding punch (4) is provided with a large-diameter end, the diameter of the large-diameter end is larger than that of the small-diameter section, and an elastic piece (6) is arranged between the large-diameter end and a step of the stepped through hole; an extruder punch (8) capable of extending into the stepped through hole is arranged above the extruding punch (4).
2. The guiding tool for the inner hole extrusion hole of the worm is characterized in that an oilless bushing (3) is arranged between the small-diameter section and the extrusion hole punch (4).
3. The guide tool for the inner hole extrusion hole of the worm is characterized in that the oilless bushing (3) and the extrusion hole punch (4) are in clearance fit with each other; the clearance between the oilless bushing (3) and the hole extrusion punch (4) is within 0.05 mm.
4. The guide tool for the inner hole extrusion hole of the worm is characterized in that the clearance between the oilless bushing (3) and the small-diameter section is within 0.05 mm.
5. The guide tool for the hole extrusion of the inner hole of the worm according to claim 1, wherein the axes of the hole extrusion punch (4), the stepped through hole and the inner hole of the worm blank (9) are coincident.
6. The guide tool for the hole extrusion of the inner hole of the worm is characterized in that the coaxiality of the extrusion punch (4) and the stepped through hole is less than 0.05 mm.
7. The guide tool for the inner hole extrusion hole of the worm is characterized in that the elastic piece (6) adopts a compression spring.
8. The guide tool for the inner hole extrusion hole of the worm according to claim 7, characterized in that a gasket (5) is arranged between the lower end of the elastic element (6) and the step of the stepped through hole.
9. The guide tool for the inner hole extrusion hole of the worm according to claim 1, characterized by further comprising a pressing plate (7) arranged at the top of the sliding seat (2), wherein a through hole for a punch (8) of the extruder to pass through is formed in the middle of the pressing plate (7).
10. The guide tool for the hole extrusion of the inner hole of the worm is characterized in that the diameter of the through hole in the middle of the pressure plate (7) is larger than that of the large-diameter end of the hole extrusion punch (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123380825.5U CN216575110U (en) | 2021-12-29 | 2021-12-29 | Guide tool for extruding hole in inner hole of worm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123380825.5U CN216575110U (en) | 2021-12-29 | 2021-12-29 | Guide tool for extruding hole in inner hole of worm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216575110U true CN216575110U (en) | 2022-05-24 |
Family
ID=81630144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123380825.5U Active CN216575110U (en) | 2021-12-29 | 2021-12-29 | Guide tool for extruding hole in inner hole of worm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216575110U (en) |
-
2021
- 2021-12-29 CN CN202123380825.5U patent/CN216575110U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216575110U (en) | Guide tool for extruding hole in inner hole of worm | |
| CN210254992U (en) | Split type main bearing bush press-fitting device | |
| CN111637169A (en) | Two-way pressure of inlay type joint bearing is joined in marriage mould | |
| CN204638758U (en) | High-precision micro brass instead squeezes shaping dies | |
| JP3298656B2 (en) | Hole punching die positioning device | |
| CN212664692U (en) | High-precision guiding mold for automobile part production | |
| CN210907918U (en) | Special die for manufacturing slotted screws | |
| CN210188256U (en) | Automatic edulcoration high accuracy stamping die | |
| CN214352008U (en) | Be applied to oil pump tray location structure of assembly line | |
| US6450001B1 (en) | Method and apparatus for manufacturing thick-walled bent pipe | |
| CN217990819U (en) | Stamping rod and cold heading mechanism with same | |
| CN215315157U (en) | Take titanium carbonitride's five metals work piece | |
| CN213946262U (en) | Clamp for press fitting of oil pump shell | |
| CN218169326U (en) | Guiding device for press fitting hollow pin | |
| CN220216960U (en) | Round hole chamfering device | |
| CN210586658U (en) | Punching and guiding stamping die for hexagon socket head cap screw | |
| CN107962810B (en) | Automatic guide centering guide post | |
| CN220862379U (en) | Sealed floating belt guide fine extrusion tooling | |
| CN220112104U (en) | Conical wave forming die and forming equipment with same | |
| CN211413342U (en) | Hydraulic control lock plug cover processing die | |
| CN220480114U (en) | Accurate location structure of die forging bent axle blank | |
| CN220837544U (en) | Stamping die for automobile structural part | |
| CN214601704U (en) | Horizontal punch structure of multidirectional die forging | |
| CN204584019U (en) | A kind of cold extrusion drift | |
| CN219582107U (en) | Connecting rod bush pressure equipment anchor clamps |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |