CN210588736U - Universal adjusting double-feeding honing head - Google Patents
Universal adjusting double-feeding honing head Download PDFInfo
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- CN210588736U CN210588736U CN201921278913.4U CN201921278913U CN210588736U CN 210588736 U CN210588736 U CN 210588736U CN 201921278913 U CN201921278913 U CN 201921278913U CN 210588736 U CN210588736 U CN 210588736U
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Abstract
The utility model provides an universal regulation is two to feed honing head, including two honing heads that feed, two honing head enlargements, universal adjusting part and thrust subassembly that feed. When the inner hole of the machined part is not concentric or inclined with the honing head in the expansion matching state, the universal adjusting piece is used for adjusting to ensure that the self-guide of the honing head coincides with the guide center of the machined part, so that the self-adaptive composite deviation rectifying process is realized, and the honing process always adopts the inner hole of the machined part as the reference to realize the self-centering self-guide honing process. Through rectifying, the interference phenomenon of external force can be reduced, thereby realizing the universal adjustment self-adaption function of the up-and-down reciprocating force of the connecting rod in the honing process, improving the geometric precision and the dimensional precision of the part to be processed by honing and improving the qualification rate of products.
Description
Technical Field
The utility model relates to a honing equipment technical field specifically, relates to an universal regulation double feed honing head.
Background
Along with the continuous improvement of precision part hole processing and environmental protection emission index requirements of internal combustion engines, the precision index requirements of the inner hole of the cylinder sleeve are also improved, and the improvement of the dimensional precision and the geometric precision indexes is the bottleneck of the whole manufacturing link of the cylinder sleeve in mass production. Therefore, the manufacturing capability of the equipment and the innovation capability of the functional structure of the part need to be further improved, and finally, the inner hole machining technology of the machined part is realized so as to meet the requirements of high-quality, high-precision and high-efficiency markets.
Honing is one of the important technical means of product part processing, and mainly aims at the hole processing technology of precision parts. In the honing process, the geometric precision condition of the part cannot be completely coincided with the datum positioning of the previous tool due to the secondary clamping of the honing process, so that the machining process has obvious interference of external cutting force and the precision control of the hole machining of the precision part is influenced. Therefore, if the acting forces such as thrust and torque exerted by the main shaft of the honing machine are inclined, or the final state of the inner hole of the machined part and the honing head after expanding and matching has the phenomena of non-concentricity, non-perpendicularity and the like, the acting force on the workpiece is not uniform when the honing head body of the honing head rotates, and finally the geometric precision and the dimensional precision of the precisely machined part are affected, so that the qualification rate and the production efficiency of the product parts are affected.
Disclosure of Invention
The to-be-solved technical problem of the utility model lies in providing an universal regulation double feed honing head, realizes the universal regulation adaptation structure function of thrust in the honing process to reduce the interference phenomenon of external force and take place, and then improve geometric accuracy and size precision in the honing process, finally improve the qualification rate and the production efficiency of product spare part.
The utility model provides an universal regulation is two to feed honing head, including two honing heads that feed, two honing heads that feed expand piece, universal adjusting part and thrust subassembly, wherein:
the double-feed honing head comprises a hollow honing head body, wherein a group of rough grinding oilstone seats and a group of fine grinding oilstone seats are radially arranged on the outer circumferential surface of the honing head body, and the rough grinding oilstone seats and the fine grinding oilstone seats are both of hollow structures and are respectively provided with an inner oblique conical surface;
the double-feed honing head expanding part comprises a rough grinding expanding cone and an accurate grinding expanding cone, the rough grinding expanding cone is a hollow cone and is assembled and connected to the front part in the honing head body, the accurate grinding expanding cone is movably arranged in the rough grinding expanding cone, the outsides of the rough grinding expanding cone and the accurate grinding expanding cone are respectively provided with an expanding and contracting cone, and the outer oblique conical surfaces of the rough grinding expanding cone and the accurate grinding expanding cone are respectively matched with the inner oblique conical surfaces of the rough grinding oilstone seat and the accurate grinding oilstone seat; in the structure, the outer oblique conical surfaces of the rough grinding expansion cone and the accurate grinding expansion cone are respectively matched with the inner oblique conical surfaces of the rough grinding oilstone seat and the accurate grinding oilstone seat, and when the rough grinding expansion cone and the accurate grinding expansion cone move axially, the radial expansion and contraction functions of the rough grinding oilstone seat and the accurate grinding oilstone seat are realized.
The universal adjusting piece comprises a square inner spherical surface cushion block with a hollow inner spherical surface and a universal adjusting rod, the square inner spherical surface cushion block and the universal adjusting rod are embedded in the middle of the honing head body, the universal adjusting rod comprises an adjusting rod body, a spherical universal adjusting head is arranged at the front end of the adjusting rod body, a spherical surface groove is arranged on the universal adjusting head, a rolling ball is arranged in the spherical surface groove, the universal adjusting head is arranged in the inner spherical surface cushion block, and the rolling ball is in contact with the inner wall of the honing head body; the structure combines the universal adjusting part assembly and the honing head body into an integral component, and mainly aims to shorten the axial distance between the universal joint assembly and the cutting oilstone seat, reduce the universal deflection stress state, further reduce the universal deflection stress and finally realize the accurate control of the geometric precision of the processed part in the honing and cutting process. In this structure, the rolling ball is in contact with an inner wall of the honing head body for transmitting torque.
The thrust assembly comprises a rough grinding push rod for applying thrust to the rough grinding expansion cone and a fine grinding push rod for applying thrust to the fine grinding expansion cone.
Preferably, the corase grind push rod includes the corase grind push rod body and locates the corase grind sphere of corase grind push rod body front end and rotate the head, and the corase grind push rod body is located universal adjusting rod in, and the corase grind sphere rotates the head and passes through the sphere contact with the rear end that the corase grind expands the cone and be connected. The rough grinding spherical surface rotating head is arranged at the front end of the rough grinding push rod assembly, and a spherical surface rotating structure is adopted, so that the problem of interference component force of each component of a rough grinding system in the pushing and pressing stress process is solved, and finally, the universal elimination of interference stress phenomenon is realized.
Preferably, the fine grinding push rod comprises a fine grinding push rod body and a fine grinding spherical surface rotating head arranged at the front end of the fine grinding push rod body, and the fine grinding push rod body is arranged in the rough grinding push rod body and is in contact connection with the rear end of the fine grinding expansion cone through a spherical surface. The fine grinding spherical surface rotating head is arranged at the front end of the fine grinding push rod assembly, and a spherical surface rotating structure is adopted, so that the problem of interference component force of each component of a fine grinding system in a pushing and pressing stress process is solved, and finally, the universal elimination of interference stress phenomenon is realized.
Preferably, a connecting groove is formed in the fine grinding spherical surface rotating head, a spherical groove is formed in the bottom of the connecting groove, a fine adjustment rotating head is arranged in the connecting groove, and a fine adjustment steel ball is arranged in the spherical groove. By adopting the structure, on the basis that the spherical rotating heads on the coarse and fine grinding push rods rotate and adjust relative to the coarse and fine grinding expansion cones, the fine grinding rotating heads take the fine grinding steel balls as supporting points and slightly rotate relative to the fine grinding spherical rotating heads, so that the stress decentration or inclination state is further finely adjusted, and the processing precision is further improved.
Preferably, the fine adjustment rotating head is connected with the fine grinding spherical surface rotating head through a bolt, and the fine grinding push rod is connected with the bolt through a bolt.
The utility model discloses a theory of operation: the spherical rotating head of the universal adjusting rod can flexibly rotate in the inner spherical cushion block, and the rolling ball rolls on the inner wall of the hollow honing head body, so that friction between the spherical rotating head and the inner spherical cushion block is reduced. Meanwhile, the spherical rotating heads of the rough grinding push rod and the fine grinding push rod can also rotate randomly. When the inner hole of the part to be machined is in expanding fit with the honing head and finally is not concentric or inclined, the inner hole of the part to be machined is adjusted and corrected and the phenomenon of dry friction is eliminated through the universal adjusting rod and the spherical rotating head on the coarse and fine grinding push rod, so that in the honing process, the honing head performs self-centering and self-guiding by taking the inner hole of the part to be machined as a reference to coincide with the hole axis of the part to be machined, finally, the self-guiding of the honing head is coincided with the guiding center of the part to be machined, and the self-adaptive deviation correcting process of the honing head is realized.
The utility model has the advantages that: use the utility model discloses an universal regulation is two to be fed honing head structure, in accurate hole honing process, can realize the function of rectifying to deviation interference phenomena such as incline external force, and eliminate the dry and astringent phenomenon of friction, take place with the interference phenomenon that reduces external force, make in the honing process, honing head uses by the machined part hole as the benchmark, carry out from centering self-steering in order to reach and by the dead axle coincidence of machined part, thereby realize the universal regulation self-adaptation function of reciprocating force about the connecting rod in the honing process, improve honing by the geometric accuracy and the size precision of machined part, the qualification rate that finally improves product spare part satisfies mass production line demand.
Drawings
Fig. 1 is a schematic structural view of a universal adjustment double feed honing head;
fig. 2 is a partially enlarged view of a in fig. 1.
In the figure: 1-double feed honing head, 11-honing head body, 12-rough grinding oilstone base, 13-finish grinding oilstone base, 2-double feed honing head expanding piece, 21-rough grinding expanding cone, 22-finish grinding expanding cone, 3-universal adjusting piece, 31-inner spherical cushion block, 32-universal adjusting rod, 321-adjusting rod body, 322-universal adjusting head, 323-rolling ball, 33-adjusting screw sleeve, 34-locking nut, 4-thrust component, 41-rough grinding push rod, 411-rough grinding push rod body, 412-rough grinding spherical rotating head, 413-spacing ring, 42-finish grinding push rod, 421-finish grinding push rod body, 422-finish grinding spherical rotating head, 423-finish grinding rotating head, 424-finish grinding steel ball, 425-plug pin, 426-bolt.
Detailed Description
Example 1:
as shown in fig. 1 and 2, a universal adjustment dual feed honing head includes a dual feed honing head 1, a dual feed honing head expanding member 2, a universal adjustment member 3 and a thrust assembly 4, wherein:
the double-feed honing head 1 comprises a hollow honing head body 11, a group of rough grinding oilstone seats 12 and a group of fine grinding oilstone seats 13 are radially arranged on the outer circumferential surface of the honing head body 11, and the rough grinding oilstone seats 12 and the fine grinding oilstone seats 13 are both hollow structures and are respectively provided with an inner oblique conical surface;
the double-feed honing head expanding piece 2 comprises a rough grinding expanding cone 21 and an accurate grinding expanding cone 22, the rough grinding expanding cone 21 is a hollow cone and is assembled and connected with the front part in the honing head body 11, the accurate grinding expanding cone 22 is movably arranged in the rough grinding expanding cone 21, the outsides of the rough grinding expanding cone 21 and the accurate grinding expanding cone 22 are respectively provided with an expanding and contracting cone, and the outer oblique conical surfaces of the rough grinding expanding cone 21 and the accurate grinding expanding cone 22 are respectively matched with the inner oblique conical surfaces of the rough grinding oilstone seat 12 and the accurate grinding oilstone seat 13;
the universal adjusting piece 3 comprises a square inner spherical cushion block 31 with a hollow inner spherical surface and a universal adjusting rod 32, which are embedded in the middle of the inner part of the honing head body 11, the universal adjusting rod 32 comprises an adjusting rod body 321, the front end of the adjusting rod body 321 is provided with a spherical universal adjusting head 322, the universal adjusting head 322 is provided with a spherical groove, a rolling ball 323 is arranged in the spherical groove, the universal adjusting head 322 is arranged in the inner spherical cushion block 31, and the rolling ball 323 is contacted with the inner wall of the honing head body 11;
the thrust assembly 4 includes a rough grinding push rod 41 that applies thrust to the rough grinding expander cone 21 and a finish grinding push rod 42 that applies thrust to the finish grinding expander cone 22.
Example 2:
as shown in fig. 1 and 2, a universal adjustment dual feed honing head includes a dual feed honing head 1, a dual feed honing head expanding member 2, a universal adjustment member 3 and a thrust assembly 4, wherein:
the double-feed honing head 1 comprises a hollow honing head body 11, a group of rough grinding oilstone seats 12 and a group of fine grinding oilstone seats 13 are radially arranged on the outer circumferential surface of the honing head body 11, and the rough grinding oilstone seats 12 and the fine grinding oilstone seats 13 are both hollow structures and are respectively provided with an inner oblique conical surface;
the double-feed honing head expanding piece 2 comprises a rough grinding expanding cone 21 and an accurate grinding expanding cone 22, the rough grinding expanding cone 21 is a hollow cone and is assembled and connected with the front part in the honing head body 11, the accurate grinding expanding cone 22 is movably arranged in the rough grinding expanding cone 21, the outsides of the rough grinding expanding cone 21 and the accurate grinding expanding cone 22 are respectively provided with an expanding and contracting cone, and the outer oblique conical surfaces of the rough grinding expanding cone 21 and the accurate grinding expanding cone 22 are respectively matched with the inner oblique conical surfaces of the rough grinding oilstone seat 12 and the accurate grinding oilstone seat 13;
the universal adjusting piece 3 comprises a square inner spherical cushion block 31 with a hollow inner spherical surface and a universal adjusting rod 32, which are embedded in the middle of the inner part of the honing head body 11, the universal adjusting rod 32 comprises an adjusting rod body 321, the front end of the adjusting rod body 321 is provided with a spherical universal adjusting head 322, the universal adjusting head 322 is provided with a spherical groove, a rolling ball 323 is arranged in the spherical groove, the universal adjusting head 322 is arranged in the inner spherical cushion block 31, and the rolling ball 323 is contacted with the inner wall of the honing head body 11;
the thrust assembly 4 includes a rough grinding push rod 41 that applies thrust to the rough grinding expander cone 21 and a finish grinding push rod 42 that applies thrust to the finish grinding expander cone 22.
The rough grinding push rod 41 comprises a rough grinding push rod body 411 and a rough grinding spherical surface rotating head 412 arranged at the front end of the rough grinding push rod body 411, the rough grinding push rod body 411 is arranged in the universal adjusting rod 32, and the rough grinding spherical surface rotating head 412 is connected with the rear end of the rough grinding expansion cone 21 through spherical surface contact.
The fine grinding push rod 42 comprises a fine grinding push rod body 421 and a fine grinding spherical surface rotating head 422 arranged at the front end of the fine grinding push rod body 421, and the fine grinding push rod body 421 is arranged in the rough grinding push rod body 411 and is in contact connection with the rear end of the fine grinding expansion cone 22 through a spherical surface.
The fine grinding spherical surface rotating head 422 is internally provided with a connecting groove, the bottom of the connecting groove is provided with a spherical groove, the connecting groove is internally provided with a fine tuning rotating head 423, and the spherical groove is internally provided with a fine tuning steel ball 424.
The fine turning head 423 is connected with the fine grinding spherical turning head 422 through a latch 425, and the fine grinding push rod 42 is connected with the latch 425 through a bolt 426.
The universal adjusting piece 3 further comprises an adjusting threaded sleeve 33 and a locking nut 34, the front part of the adjusting threaded sleeve 33 is sleeved at the inner rear part of the honing head body 11 and is connected with the honing head body 11 through threads, and the front end surface of the adjusting threaded sleeve is opposite to the inner spherical cushion block 31; the locking nut 34 is sleeved at the rear part of the adjusting screw sleeve 33 and connected with the adjusting screw sleeve 33 through a thread, and the front end surface of the locking nut is opposite to the honing head body 11.
The inner wall of the rough grinding expansion cone 21 is provided with a spherical clamping groove, the rough grinding spherical rotating head 412 is arranged in the clamping groove, and one side of the opening of the clamping groove is provided with a limiting ring 413.
Claims (5)
1. The utility model provides a two honing heads that feed of universal regulation, its characterized in that, includes two honing heads (1) that feed, two honing head expand piece (2), universal adjusting part (3) and thrust subassembly (4), wherein:
the double-feed honing head (1) comprises a hollow honing head body (11), a group of rough grinding oilstone seats (12) and a group of fine grinding oilstone seats (13) are radially arranged on the outer circumferential surface of the honing head body (11), and the rough grinding oilstone seats (12) and the fine grinding oilstone seats (13) are both of hollow structures and are respectively provided with an inner oblique conical surface;
the double-feed honing head expansion piece (2) comprises a rough grinding expansion cone (21) and an accurate grinding expansion cone (22), the rough grinding expansion cone (21) is a hollow cone body and is assembled and connected to the front part in the honing head body (11), the accurate grinding expansion cone (22) is movably arranged in the rough grinding expansion cone (21), the outer sides of the rough grinding expansion cone (21) and the accurate grinding expansion cone (22) are respectively provided with an expansion cone, and the outer oblique conical surfaces of the rough grinding expansion cone (21) and the accurate grinding expansion cone (22) are respectively matched with the inner oblique conical surfaces of the rough grinding oilstone seat (12) and the accurate grinding oilstone seat (13);
the universal adjusting piece (3) comprises a square inner spherical surface cushion block (31) which is embedded in the middle of the inner part of the honing head body (11) and provided with a hollow inner spherical surface, and a universal adjusting rod (32), wherein the universal adjusting rod (32) comprises an adjusting rod body (321), the front end of the adjusting rod body (321) is provided with a spherical universal adjusting head (322), a spherical groove is arranged on the universal adjusting head (322), a rolling ball (323) is arranged in the spherical groove, the universal adjusting head (322) is arranged in the inner spherical surface cushion block (31), and the rolling ball (323) is contacted with the inner wall of the honing head body (11);
the thrust assembly (4) comprises a rough grinding push rod (41) for applying thrust to the rough grinding expansion cone (21) and a fine grinding push rod (42) for applying thrust to the fine grinding expansion cone (22).
2. The universal adjustment dual-feed honing head according to claim 1, wherein the rough grinding push rod (41) comprises a rough grinding push rod body (411) and a rough grinding spherical surface rotary head (412) disposed at a front end of the rough grinding push rod body (411), the rough grinding push rod body (411) is disposed in the universal adjustment rod (32), and the rough grinding spherical surface rotary head (412) is connected to a rear end of the rough grinding expanding cone (21) through spherical surface contact.
3. The universal adjusting dual feed honing head according to claim 2, wherein the fine grinding putter (42) comprises a fine grinding putter body (421) and a fine grinding spherical rotating head (422) provided at a front end of the fine grinding putter body (421), the fine grinding putter body (421) being provided in the rough grinding putter body (411) to be connected to a rear end of the fine grinding expanding cone (22) by spherical contact.
4. The universal adjusting dual feed honing head according to claim 3, wherein the fine grinding spherical rotating head (422) is provided with a connecting groove therein, the bottom of the connecting groove is provided with a spherical groove, the fine adjusting rotating head (423) is provided in the connecting groove, and the fine adjusting steel ball (424) is provided in the spherical groove.
5. The universally adjustable dual feed honing head according to claim 4, wherein the fine turning head (423) is connected to the fine grinding spherical turning head (422) through a pin (425), and the fine grinding putter (42) is connected to the pin (425) through a bolt (426).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921278913.4U CN210588736U (en) | 2019-08-08 | 2019-08-08 | Universal adjusting double-feeding honing head |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921278913.4U CN210588736U (en) | 2019-08-08 | 2019-08-08 | Universal adjusting double-feeding honing head |
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| CN210588736U true CN210588736U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921278913.4U Active CN210588736U (en) | 2019-08-08 | 2019-08-08 | Universal adjusting double-feeding honing head |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114260818A (en) * | 2022-01-21 | 2022-04-01 | 宁夏中卫大河精工机械有限责任公司 | Cylindrical double-feed honing head device |
-
2019
- 2019-08-08 CN CN201921278913.4U patent/CN210588736U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114260818A (en) * | 2022-01-21 | 2022-04-01 | 宁夏中卫大河精工机械有限责任公司 | Cylindrical double-feed honing head device |
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