CN217571047U - Clamp for milling disc-shaped parts - Google Patents
Clamp for milling disc-shaped parts Download PDFInfo
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- CN217571047U CN217571047U CN202221490559.3U CN202221490559U CN217571047U CN 217571047 U CN217571047 U CN 217571047U CN 202221490559 U CN202221490559 U CN 202221490559U CN 217571047 U CN217571047 U CN 217571047U
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- pull rod
- conical surface
- positioning
- expansion sleeve
- cover
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Abstract
The utility model provides an anchor clamps for disc part mills processing, including the positioning core axle, the pull rod, expand the cover, the positioning core axle is equipped with the mounting flange, fixed connection positioning disk on the mounting flange, the front end of positioning core axle is equipped with the external conical surface, the front end of pull rod is equipped with conical head, the external conical surface of this conical head is in opposite directions with the external conical surface of positioning core axle, the rear end of pull rod passes the shaft hole of positioning core axle and is used for connecting drive arrangement, it is the slotted cover that expands in both ends, before the hole of this cover that expands, back both ends drill way all is provided with the interior conical surface, the interior conical surface of cover front end that expands cooperates with the external conical surface of pull rod, the interior conical surface of cover rear end and the external conical surface cooperation of positioning core axle expand, the positioning disk is equipped with axially extended location portion, the axle head of this location portion flushes as the locating surface, the biggest external diameter of pull rod conical head is not more than the external diameter of the cover that expands. The utility model discloses two work pieces of clamping can once improve work efficiency.
Description
Technical Field
The utility model relates to the field of machine-building, in particular to an anchor clamps that is used for disc part to mill processing.
Background
Machining is adding man-hour to the disc part using machining center, need carry out the clamping to the disc part with anchor clamps, current anchor clamps adopt bloated shell type usually, the cover that expands is equipped with an interior conical surface, the interior conical surface and the dabber external conical surface cooperation of cover that will expand, with the disc part through the central hole cover on the cover that expands, pass the cover that expands with a pull rod, the interior conical surface that makes the cover that expands through the pulling pull rod under the effect of dabber external conical surface radial expansion, the expansion through the cover that expands is bloated tight with the central hole of disc part, the clamping is pressed from both sides in the realization. However, when the expanding sleeve with only one inner conical surface is extruded and expanded with the outer conical surface of the mandrel, the outer circle of the expanding sleeve forms a cone along the axial direction, and the expanding sleeve and the inner hole of the workpiece form expanding through the large-diameter end of the cone, so that only one workpiece can be clamped for processing at one time, and if more workpieces are clamped for processing at one time, except that one workpiece expanded by the large-diameter end of the cone can be fixed, other workpieces are in a loose state, cannot be clamped and fixed, and cannot be processed. And only one workpiece can be clamped for processing each time, the processing efficiency is low, certain electric power and manpower waste is caused in the range of the milling cutter length allowed to be processed, in addition, clamping and dismounting are required once for each product to be processed, the labor intensity of operators is high, and the production efficiency is not fully exerted.
Disclosure of Invention
The utility model discloses a solve the problem that prior art exists above, provide an anchor clamps that is used for disc part to mill processing, can process by two work pieces of clamping, raise the efficiency, the technical scheme of the utility model as follows:
the utility model provides an anchor clamps for disc part mills processing, includes positioning core axle (1), pull rod (4), bloated cover (3), positioning core axle (1) is equipped with mounting flange (12), fixed connection positioning disk (2) on mounting flange (12), the front end of positioning core axle (1) is equipped with the outer conical surface, the front end of pull rod (4) is equipped with conical head, and the outer conical surface of this conical head is in opposite directions with the outer conical surface of positioning core axle (1), and the rear end of pull rod (4) passes the shaft hole of positioning core axle (1) and is used for connecting drive arrangement, bloated cover (3) are the cover that expands of both ends fluting, and preceding, the back both ends drill way of hole of this bloated cover (3) all is provided with the interior conical surface, and the outer conical surface cooperation of pull rod (4) of the interior conical surface of bloated cover front end, and the outer conical surface cooperation of positioning core axle (1) of the interior conical surface of bloated cover rear end, positioning disk (2) are equipped with axial extension's location portion (21), and the conical surface of this location portion (21) is as locating surface (22), and the biggest external diameter of pull rod (4) is not more than the cover (3) of bloated cover.
A section of cylindrical surface (11) extends in front of the outer conical surface of the positioning mandrel (1), a boss (41) is arranged on the pull rod (4), the boss (41) is located between the front end of the positioning mandrel (1) and the conical head of the pull rod (4), and the outer diameter of the boss (41) is the same as that of the cylindrical surface (11) at the front end of the positioning mandrel (1).
A plurality of axial open grooves (31) are formed in the expansion sleeve (3), the openings of two adjacent open grooves (31) are opposite, and each open groove is located at two ends of the expansion sleeve (3).
The front end face of the pull rod (4) is provided with a linear groove, and the rear end of the pull rod (4) is connected with a driving device through a pull rod joint (5).
The taper of the conical surface of the conical head of the pull rod (4) is the same as the taper of the outer conical surface of the positioning mandrel (1).
Adopt above-mentioned technical scheme: including positioning mandrel (1), pull rod (4), bloated cover (3), positioning mandrel (1) is equipped with mounting flange (12), fixed connection positioning disk (2) are gone up to mounting flange (12), and the front end of positioning mandrel (1) is equipped with the external conical surface, the front end of pull rod (4) is equipped with conical head, and the external conical surface of this conical head is in opposite directions with the external conical surface of positioning mandrel (1), and the rear end of pull rod (4) passes the shaft hole of positioning mandrel (1) and is used for connecting drive arrangement, bloated cover (3) are the bloated cover of both ends fluting, and preceding, the back both ends drill way of hole of this bloated cover (3) all is provided with the inner cone, and the inner cone of bloated cover front end cooperates with the external conical surface of pull rod (4), and the inner cone of bloated cover rear end cooperates with the external conical surface of positioning mandrel (1), positioning disk (2) are equipped with axial extension's location portion (21), and the axle head of this location portion (21) flushes as location face (22), and the external diameter of the biggest external diameter of pull rod (4) is not more than the bloated cover (3). The utility model discloses an expand the cover and have two interior conical surfaces, when expanding tightly, two interior conical surfaces receive the extrusion of the outer conical surface of pull rod (4) conical head, the outer conical surface of positioning core axle (1) respectively, radially expand, can expand tightly to two work pieces from this respectively, realize two work pieces of clamping, can once only process two work pieces in the within range that milling cutter length allowed processing, the machining efficiency is greatly improved, the number of times of clamping, dismantlement has been reduced, operating personnel's intensity of labour has been reduced, production efficiency obtains full play.
A section of cylindrical surface (11) extends in front of the outer conical surface of the positioning mandrel (1), a boss (41) is arranged on the pull rod (4), the boss (41) is located between the front end of the positioning mandrel (1) and the conical head of the pull rod (4), and the outer diameter of the boss (41) is the same as that of the cylindrical surface (11) at the front end of the positioning mandrel (1), so that the expansion sleeve is supported when the expansion sleeve is not expanded.
The expansion sleeve (3) is provided with a plurality of axial open grooves (31), the openings of two adjacent open grooves (31) are opposite, and each open groove is positioned at two ends of the expansion sleeve (3) so as to increase the elasticity of the expansion sleeve.
The invention is further described with reference to the drawings and the specific embodiments.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the assembly of the present invention with a workpiece;
FIG. 3 is a schematic structural view of the tie rod;
FIG. 4 is a schematic structural view of the expansion sleeve;
FIG. 5 is a schematic view of the deployment of the circumferential surface of the expansion sleeve;
FIG. 6 is a schematic structural diagram of a puck;
fig. 7 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 6.
Detailed Description
The utility model discloses an embodiment of an anchor clamps for disc part mills processing:
referring to fig. 1-7, a fixture for milling disc-shaped parts comprises a positioning mandrel (1), a pull rod (4) and an expansion sleeve (3), wherein the positioning mandrel (1) is provided with a mounting flange (12), the mounting flange (12) is fixedly connected with a positioning disc (2), the front end of the positioning mandrel (1) is provided with an outer conical surface, the front end of the pull rod (4) is provided with a conical head, the outer conical surface of the conical head is opposite to the outer conical surface of the positioning mandrel (1), the rear end of the pull rod (4) penetrates through the shaft hole of the positioning mandrel (1) to be connected with a driving device, the shaft hole of the positioning mandrel (1) is in sliding fit with the pull rod (4), the expansion sleeve (3) is an expansion sleeve with grooves at two ends, the expansion sleeve (3) is provided with a plurality of axial open grooves (31), the openings of two adjacent open grooves (31) are opposite, and each open groove is located at two ends of the expansion sleeve (3) so as to increase the elasticity of the expansion sleeve, and the bottom of the open groove (31) is a U-arc. The front end of the positioning mandrel (1) and the front end of the pull rod (4) are sleeved with the expansion sleeve (3), the inner end of the front end of the expansion sleeve is matched with the outer conical surface of the pull rod (4), the inner conical surface of the rear end of the expansion sleeve is matched with the outer conical surface of the positioning mandrel (1), a section of cylindrical surface (11) extends out of the front portion of the outer conical surface of the positioning mandrel (1), a boss (41) is arranged on the pull rod (4), the boss (41) is located between the front end of the positioning mandrel (1) and the conical head of the pull rod (4), and the outer diameter of the boss (41) is the same as that of the cylindrical surface (11) at the front end of the positioning mandrel (1) so as to support the expansion sleeve when the expansion sleeve is not tightened. The positioning disc (2) is provided with a positioning part (21) extending axially, the end face of the shaft of the positioning part (21) is flush to serve as a positioning surface (22), and the maximum outer diameter of the conical head of the pull rod (4) is not larger than the outer diameter of the expansion sleeve (3). The taper of the conical surface of the conical head of the pull rod (4) is the same as that of the outer conical surface of the positioning mandrel (1). The terminal surface is equipped with the groove of a font before pull rod (4) to make things convenient for use tool to apply moment to pull rod (4), pull rod (4) rear end and a pull rod joint (5) threaded connection, pull rod joint (5) are connected with drive arrangement, the utility model discloses well drive arrangement is the cylinder. The utility model discloses an expand the cover and have two interior conical surfaces, when expanding tightly, two interior conical surfaces receive the extrusion of the outer conical surface of pull rod (4) conical head, the outer conical surface of positioning core axle (1) respectively, radially expand, can expand tightly to two work pieces from this respectively, realize two work pieces of clamping, can once only process two work pieces in the within range that milling cutter length allowed processing, the machining efficiency is greatly improved, the number of times of clamping, dismantlement has been reduced, operating personnel's intensity of labour has been reduced, production efficiency obtains full play.
When the workpieces are expanded, the two workpieces are sleeved on the expansion sleeve (3) side by side, and then the pull rod (4) is pulled backwards through the machine tool cylinder, so that the outer conical surface of the conical head of the pull rod (4) and the outer conical surface of the positioning mandrel (1) jointly extrude the inner conical surfaces at two ends of the expansion sleeve, the expansion sleeve expands in the radial direction, and the inner hole of the workpiece is expanded; after the machining is finished, the machine tool cylinder pushes the pull rod (4) forwards, so that the expansion sleeve can be released, and the workpiece can be taken down.
Claims (5)
1. The utility model provides an anchor clamps for disc part mills processing, includes positioning core axle (1), pull rod (4), bloated cover (3), its characterized in that: the positioning mandrel is characterized in that the positioning mandrel (1) is provided with a mounting flange (12), a positioning disc (2) is fixedly connected to the mounting flange (12), an outer conical surface is arranged at the front end of the positioning mandrel (1), a conical head is arranged at the front end of the pull rod (4), the outer conical surface of the conical head is opposite to the outer conical surface of the positioning mandrel (1), the rear end of the pull rod (4) penetrates through a shaft hole of the positioning mandrel (1) and is used for being connected with a driving device, the expansion sleeve (3) is an expansion sleeve with grooves at two ends, inner conical surfaces are arranged in front and rear end orifices of an inner hole of the expansion sleeve (3), the inner conical surface of the front end of the expansion sleeve is matched with the outer conical surface of the pull rod (4), the inner conical surface of the rear end of the expansion sleeve is matched with the outer conical surface of the positioning mandrel (1), the positioning disc (2) is provided with a positioning portion (21) extending axially, the shaft end surface of the positioning portion (21) is flushed and serves as a positioning surface (22), and the maximum outer diameter of the conical head of the pull rod (4) is not larger than the outer diameter of the expansion sleeve (3).
2. The clamp for milling disc-shaped parts according to claim 1, wherein: a section of cylindrical surface (11) extends out of the front part of the outer conical surface of the positioning mandrel (1), a boss (41) is arranged on the pull rod (4), the boss (41) is positioned between the front end of the positioning mandrel (1) and the conical head of the pull rod (4), and the outer diameter of the boss (41) is the same as that of the cylindrical surface (11) at the front end of the positioning mandrel (1).
3. The clamp for milling disc-shaped parts according to claim 1, wherein: a plurality of axial open grooves (31) are formed in the expansion sleeve (3), the openings of two adjacent open grooves (31) are opposite, and each open groove is located at two ends of the expansion sleeve (3).
4. The clamp for milling a disc-shaped part according to claim 1, wherein: the front end face of the pull rod (4) is provided with a linear groove, and the rear end of the pull rod (4) is connected with a driving device through a pull rod joint (5).
5. The clamp for milling disc-shaped parts according to claim 1, wherein: the taper of the conical surface of the conical head of the pull rod (4) is the same as the taper of the outer conical surface of the positioning mandrel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221490559.3U CN217571047U (en) | 2022-06-15 | 2022-06-15 | Clamp for milling disc-shaped parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221490559.3U CN217571047U (en) | 2022-06-15 | 2022-06-15 | Clamp for milling disc-shaped parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217571047U true CN217571047U (en) | 2022-10-14 |
Family
ID=83529547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221490559.3U Active CN217571047U (en) | 2022-06-15 | 2022-06-15 | Clamp for milling disc-shaped parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217571047U (en) |
-
2022
- 2022-06-15 CN CN202221490559.3U patent/CN217571047U/en active Active
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