CN113199396A - Clamping tool and method for grinding outer conical surface of product - Google Patents
Clamping tool and method for grinding outer conical surface of product Download PDFInfo
- Publication number
- CN113199396A CN113199396A CN202110516657.3A CN202110516657A CN113199396A CN 113199396 A CN113199396 A CN 113199396A CN 202110516657 A CN202110516657 A CN 202110516657A CN 113199396 A CN113199396 A CN 113199396A
- Authority
- CN
- China
- Prior art keywords
- product
- screw rod
- conical surface
- mandrel
- screw
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention relates to the technical field of machining, and particularly discloses a clamping tool for grinding an outer conical surface of a product. The clamping method for the outer conical surface of the grinding product specifically comprises the following steps: sleeving a product on the outer side of the mandrel; penetrating a screw rod of the taper screw rod through a product and installing the taper screw rod in an internal thread hole of a mandrel; and screwing the taper screw rod, controlling the taper screw rod to move towards one side of the internal threaded hole, enabling the circular boss part to be matched with the taper hole and expanding the cross groove, and enabling one end of the mandrel, which is close to the product, to be locked with the product. The invention has effective product quality and reduces production cost; the clamping is convenient; the invention has simple structure and strong practicability.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a clamping tool and a clamping method for grinding an outer conical surface of a product.
Background
In order to meet the use requirements, the outer conical surface of the peeling die product needs to be processed. Taking a scalping mould product as an example, the product structure is shown in figure 1, because the inner hole of the product is a taper hole, the straight section of the inner hole is shorter, the end surface of the outer conical surface is a sharp angle, the end surface has no annular width, the roughness value of the surface of the outer conical surface is low, a mandrel gasket is required to be installed and compressed for wet grinding in the process of processing the outer conical surface, one gasket is required to be consumed when one product is ground, when the final product is ground, the pressing force of the gasket is invalid, the product is easy to fall off from the mandrel, the processing risk is increased, the processing efficiency and the qualification rate of the product are reduced, and the production cost is increased.
Disclosure of Invention
The invention aims to solve the technical problem of providing a clamping tool and a clamping method for grinding an outer conical surface of a product.
The technical problem to be solved by the invention is as follows:
on the one hand, the clamping tool for grinding the outer conical surface of the product comprises a mandrel and a taper screw rod which is sleeved in the mandrel and is coaxially connected with the mandrel.
In some possible embodiments, the mandrel includes a shaft body provided with a mounting hole, and an annular boss integrally formed with the shaft body and fitted around an outer side of the shaft body.
In some possible embodiments, the mounting hole includes an internally threaded hole, a tapered hole coaxially connected with an open side of the internally threaded hole.
In some possible embodiments, the tapered screw comprises a screw cooperating with the internally threaded hole, a rod cap connected to an end of the screw; the rod cap comprises a circular table portion and a cylindrical portion, the circular table portion is installed in a matched mode with the conical hole and is coaxially connected with the screw, the cylindrical portion is connected with one end, far away from the screw, of the circular table portion, the small end of the circular table portion is connected with the screw, and the large end of the circular table portion is connected with the cylindrical portion.
In some possible embodiments, one end of the shaft body, which is close to the taper screw rod, is provided with a cross groove, and the center of the cross groove is collinear with the axis of the internal thread hole.
On the other hand, the clamping method for the outer conical surface of the grinding product specifically comprises the following steps:
sleeving a product on the outer side of the mandrel;
penetrating a screw rod of the taper screw rod through a product and installing the taper screw rod in an internal thread hole of a mandrel;
and screwing the taper screw rod, controlling the taper screw rod to move towards one side of the internal threaded hole, enabling the circular boss part to be matched with the taper hole and expanding the cross groove, and enabling one end of the mandrel, which is close to the product, to be locked with the product.
Compared with the prior art, the invention has the beneficial effects that:
the invention has effective product quality and reduces production cost; the clamping is convenient;
the invention has simple structure and strong practicability.
Drawings
FIG. 1 is a schematic structural diagram of a product of the present invention;
FIG. 2 is a side view of a mandrel of the present invention;
FIG. 3 is a schematic structural view of a mandrel according to the present invention;
FIG. 4 is a side view of the tapered screw of the present invention;
FIG. 5 is a schematic structural view of a tapered screw according to the present invention;
FIG. 6 is a state diagram of the present invention in use;
wherein: 1. a mandrel; 11. a cross groove; 2. producing a product; 3. and (5) tapering the screw rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the detailed description of the embodiments of the present invention provided below is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention.
In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the drawings of the present invention, it should be understood that different technical features which are not mutually substituted are shown in the same drawing only for the convenience of simplifying the drawing description and reducing the number of drawings, and the embodiment described with reference to the drawings does not indicate or imply that all the technical features in the drawings are included, and thus the present invention is not to be construed as being limited thereto.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. Reference herein to "first," "second," and similar words, does not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. In the implementation of the present application, "and/or" describes an association relationship of associated objects, which means that there may be three relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In the description of the embodiments of the present application, the meaning of "a plurality" means two or more unless otherwise specified. For example, the plurality of positioning posts refers to two or more positioning posts. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The present invention will be described in detail below.
As shown in figures 1-6 of the drawings,
on the one hand, the clamping tool for the outer conical surface of the grinding product 2 comprises a mandrel 1 and a taper screw rod 3 which is sleeved in the mandrel 1 and is coaxially connected with the mandrel 1.
In some possible embodiments, the mandrel 1 includes a shaft body provided with a mounting hole, and an annular boss integrally formed with the shaft body and sleeved outside the shaft body.
In some possible embodiments, the mounting hole includes an internally threaded hole, a tapered hole coaxially connected with an open side of the internally threaded hole.
In some possible embodiments, the tapered screw 3 comprises a screw cooperating with an internally threaded hole, a rod cap connected to the end of the screw; the rod cap comprises a circular table portion and a cylindrical portion, the circular table portion is installed in a matched mode with the conical hole and is coaxially connected with the screw, the cylindrical portion is connected with one end, far away from the screw, of the circular table portion, the small end of the circular table portion is connected with the screw, and the large end of the circular table portion is connected with the cylindrical portion.
In some possible embodiments, one end of the shaft body close to the taper screw 3 is provided with a cross groove 11, and the center of the cross groove 11 is on the same straight line with the axis of the internal thread hole.
The shaft body is divided into four parts by arranging the cross groove 11, under the condition that the taper screw 3 is screwed, the screw moves along the axis of the mandrel 1, so that the rod cap moves towards one side of the tapered hole, and after the rod cap and the tapered hole are abutted, the rod cap continues to move, so that the shaft body is expanded, the shaft body abuts against the product 2, and the clamping is realized; and then, processing the outer conical surface of the product 2, and after the processing is finished, reversely screwing the tapered screw rod 3 to take down the product 2.
On the other hand, the clamping method for the external conical surface of the grinding product 2 specifically comprises the following steps:
sleeving a product 2 on the outer side of the mandrel 1;
a screw rod of the taper screw rod 3 penetrates through the product 2 and is arranged in an internal thread hole of the mandrel 1;
screwing the taper screw rod 3, controlling the taper screw rod 3 to move towards one side of the internal threaded hole, enabling the circular table part to be matched with the taper hole and expanding the cross groove 11, and enabling one end, close to the product 2, of the mandrel 1 to be locked with the product 2.
Example 1:
the peeling die to be processed in this embodiment is shown in fig. 1, and the outer conical surface of the peeling die needs to be ground.
The clamping mode that adopts in this embodiment is for guaranteeing peeling off mould product external conical surface roughness value and clamping stability requirement, and the grinding that is used for processing above-mentioned peeling off mould external conical surface that this embodiment provided includes following step:
(1) the special mandrel 1 is manufactured, the diameter size phi D2 of the mandrel is matched with the inner hole phi D1 of the peeling die product, and the assembly clearance is 0.02; the length L2 is matched with the total height of the peeling mold product, the specification of the M1 internal thread is the same as that of the M2 external thread in the taper screw, the acting thread length is greater than that of the taper screw L5, and the internal thread and the external thread can be assembled; the end face is provided with the same taper screw rod with the specification of < 1 > as < 2; the excircle of the phi D2 is provided with a cross symmetrical groove, and the width of the L4 groove is 0.2-0.5.
(2) Manufacturing a taper screw, wherein the specification of an M2 external thread is the same as that of an M1 internal thread in a special mandrel, the acting thread length is smaller than that of the taper screw L2, and the internal thread and the external thread can be assembled; manufacturing taper screws with the specification of < 2 > as well as the < 1; and the L3 is flat on the upper and lower sides of the excircle of the phi D3 and is used for wrench clamping.
(3) Clamping the special mandrel 1 on a 2M9120 grinding machine chuck, and correcting D2 diameter jump and step surface end jump within 0.005 by using a dial indicator;
(4) loading the peeling die product 2 on a D2 shaft, loading a taper screw 3, screwing the taper screw 3 by using a wrench, assembling the angle 1 and the angle 2, pressing the mandrel D2 by the axial pressing force of the taper screw, and opening the groove L4 to enable the D2 to expand to be tightly matched with the inner hole of the product so as to achieve the locking purpose;
(5) operating the machine tool to perform the production of machining the outer conical surface;
(6) after the product is machined, the taper screw 3 is dismounted by using a wrench, the groove L4 automatically restores to the initial state, the size of the mandrel D2 is not influenced by axial pressure any more, the diameter of the mandrel D2 restores to the initial state, the fit clearance between the inner hole of the product and the mandrel D2 is restored, and the product is taken down to complete machining;
by adopting the clamping mode to produce the outer conical surface of the peeling mold product, the axial runout of the product, the width of the end face ring, the clamping stability and the surface quality of the product are effectively controlled, the original clamping and processing mode of matching a mandrel with a gasket is replaced, and the improvement effects of the production cost and the product processing efficiency are obvious.
The invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification and any novel method or process steps or any novel combination of features disclosed.
Claims (6)
1. The utility model provides a clamping frock of grinding product external conical surface which characterized in that includes dabber, suit in the dabber and with dabber coaxial coupling's tapering screw rod.
2. The clamping tool and the clamping method for the outer conical surface of the grinding product according to claim 1, wherein the mandrel comprises a shaft body provided with a mounting hole, and an annular boss which is integrally formed with the shaft body and sleeved on the outer side of the shaft body.
3. The clamping tool and the clamping method for the outer conical surface of the grinding product according to claim 2, wherein the mounting hole comprises an inner threaded hole and a conical hole coaxially connected with the opening side of the inner threaded hole.
4. The clamping tool and the clamping method for the outer conical surface of the ground product according to claim 3, wherein the tapered screw comprises a screw matched with the internal threaded hole and a rod cap connected with the end part of the screw; the rod cap comprises a circular table portion and a cylindrical portion, the circular table portion is installed in a matched mode with the conical hole and is coaxially connected with the screw, the cylindrical portion is connected with one end, far away from the screw, of the circular table portion, the small end of the circular table portion is connected with the screw, and the large end of the circular table portion is connected with the cylindrical portion.
5. The clamping tool and the clamping method for the outer conical surface of the ground product according to claim 4 are characterized in that a cross groove is formed in one end, close to the taper screw, of the shaft body, and the center of the cross groove and the axis of the internal threaded hole are on the same straight line.
6. The clamping method for the outer conical surface of the ground product according to any one of claims 1 to 5, characterized by comprising the following steps:
sleeving a product on the outer side of the mandrel;
penetrating a screw rod of the taper screw rod through a product and installing the taper screw rod in an internal thread hole of a mandrel;
and screwing the taper screw rod, controlling the taper screw rod to move towards one side of the internal threaded hole, enabling the circular boss part to be matched with the taper hole and expanding the cross groove, and enabling one end of the mandrel, which is close to the product, to be locked with the product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110516657.3A CN113199396A (en) | 2021-05-12 | 2021-05-12 | Clamping tool and method for grinding outer conical surface of product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110516657.3A CN113199396A (en) | 2021-05-12 | 2021-05-12 | Clamping tool and method for grinding outer conical surface of product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113199396A true CN113199396A (en) | 2021-08-03 |
Family
ID=77031120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110516657.3A Pending CN113199396A (en) | 2021-05-12 | 2021-05-12 | Clamping tool and method for grinding outer conical surface of product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113199396A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3146005A1 (en) * | 1981-11-20 | 1983-05-26 | Josef 7941 Kanzach Gawatz | Internal clamping mandrel |
| CN105965292A (en) * | 2016-06-27 | 2016-09-28 | 北京航天控制仪器研究所 | Quick locking anti-pull expanding tire of workpiece being positioned by using inner hole and end face |
| CN206484367U (en) * | 2017-01-25 | 2017-09-12 | 哈尔滨汽轮机厂有限责任公司 | A kind of special taper expanding mandrel |
| CN107745305A (en) * | 2017-11-01 | 2018-03-02 | 陕西品达石化有限公司 | Circular cone clamp for machining |
| CN110340394A (en) * | 2019-08-02 | 2019-10-18 | 贵州枫阳液压有限责任公司 | A kind of expansion force central spindle tooling |
| CN111036950A (en) * | 2019-12-26 | 2020-04-21 | 陕西宝成航空仪表有限责任公司 | Precision turning fixture for thin-wall conical part |
-
2021
- 2021-05-12 CN CN202110516657.3A patent/CN113199396A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3146005A1 (en) * | 1981-11-20 | 1983-05-26 | Josef 7941 Kanzach Gawatz | Internal clamping mandrel |
| CN105965292A (en) * | 2016-06-27 | 2016-09-28 | 北京航天控制仪器研究所 | Quick locking anti-pull expanding tire of workpiece being positioned by using inner hole and end face |
| CN206484367U (en) * | 2017-01-25 | 2017-09-12 | 哈尔滨汽轮机厂有限责任公司 | A kind of special taper expanding mandrel |
| CN107745305A (en) * | 2017-11-01 | 2018-03-02 | 陕西品达石化有限公司 | Circular cone clamp for machining |
| CN110340394A (en) * | 2019-08-02 | 2019-10-18 | 贵州枫阳液压有限责任公司 | A kind of expansion force central spindle tooling |
| CN111036950A (en) * | 2019-12-26 | 2020-04-21 | 陕西宝成航空仪表有限责任公司 | Precision turning fixture for thin-wall conical part |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204603909U (en) | A kind of anti-deformation device of thin-wall tube-shaped element processing | |
| CN203390328U (en) | Gear shaving clamp allowing rapid replacement | |
| CN105345171A (en) | Positioning and clamping device | |
| CN113199396A (en) | Clamping tool and method for grinding outer conical surface of product | |
| CN203696544U (en) | Taper shank converting sleeve for machine tool spindle | |
| CN203471397U (en) | Gear milling clamp of thin wall member | |
| CN110682120B (en) | Positioning and supporting device for machining thin-wall shell parts | |
| CN201573073U (en) | Tooling used for processing pressure storage cylinder | |
| CN216228371U (en) | Tool positioning equipment suitable for accurate grinding of excircle | |
| CN213438497U (en) | Tool for machining cylindrical thin-wall parts | |
| CN114985783A (en) | Processing method for outer spigot of tip support body and thin-wall shell | |
| CN109759858B (en) | Work fixture | |
| CN114055097A (en) | Method for machining tubular part with runner groove | |
| CN114131122A (en) | Core rod assembly for machining thin-wall thread insert external threads and method for machining thin-wall thread insert external threads | |
| CN217452444U (en) | Installation dismounting device of taper shank gear shaping cutter | |
| CN113369953A (en) | Clamp for machining excircle of shim | |
| CN209077784U (en) | The device of screw thread is suppressed simultaneously in hard alloy cylinder both ends | |
| CN209998435U (en) | High-precision tool bit connecting structure | |
| CN209886493U (en) | Male die assembly for drawing die | |
| CN109821984B (en) | Manufacturing equipment for glass solidified body storage container | |
| CN208033688U (en) | A kind of microadjustment precision boring head | |
| CN219944846U (en) | Gear shaping tool for inner gear ring of thin-wall workpiece | |
| CN220668111U (en) | Self-locking bolt | |
| CN216461184U (en) | Novel conical surface punch | |
| CN203418345U (en) | Thin-wall disc sleeve part processing tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |