CN215469776U - Cylindrical workpiece clamping device with cylindrical clamping function - Google Patents

Cylindrical workpiece clamping device with cylindrical clamping function Download PDF

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Publication number
CN215469776U
CN215469776U CN202122089490.5U CN202122089490U CN215469776U CN 215469776 U CN215469776 U CN 215469776U CN 202122089490 U CN202122089490 U CN 202122089490U CN 215469776 U CN215469776 U CN 215469776U
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China
Prior art keywords
section
collet
conical surface
collet chuck
screw sleeve
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CN202122089490.5U
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Chinese (zh)
Inventor
徐光东
蒋萍
王来才
周弟鑫
徐霄东
周晓广
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Wuxi Heyuan Precision Machinery Co ltd
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Wuxi Heyuan Precision Machinery Co ltd
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Priority to CN202122089490.5U priority Critical patent/CN215469776U/en
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Abstract

The utility model relates to a collet chuck type cylindrical workpiece clamping device which comprises a base, a collet chuck seat, a threaded sleeve and a collet chuck; the right section of the chuck base is fixed with the base, the screw sleeve is arranged outside the left section of the chuck base, the collet chuck is arranged in the chuck base and the screw sleeve, the external thread of the excircle of the left section of the chuck base is meshed with the internal thread of the inner circle of the right section of the screw sleeve, the external conical surface of the right section of the collet chuck is tightly attached to the internal conical surface of the left section of the chuck base, the limiting bulge of the inner circle of the middle section of the screw sleeve is positioned in the limiting groove of the collet chuck, and the internal conical surface of the left section of the screw sleeve is tightly attached to the external conical surface of the left section of the collet chuck. The utility model realizes the accurate quick assembly of the cylindrical workpiece, is particularly suitable for clamping small parts with high dimensional precision, greatly improves the production efficiency and reduces the labor cost.

Description

Cylindrical workpiece clamping device with cylindrical clamping function
Technical Field
The utility model relates to a tool clamp, in particular to a collet chuck type clamping device for machining a cylindrical workpiece.
Background
At present, when a cylindrical workpiece is subjected to multi-axis fine machining, a three-jaw chuck is generally adopted for clamping, the clamping mode using the three-jaw chuck is large in limitation, and small parts with high dimensional precision are inconvenient to machine.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide the collet type cylindrical workpiece clamping device which can realize accurate quick assembly, greatly improve the production efficiency and reduce the labor cost.
According to the technical scheme provided by the utility model, the collet chuck type cylindrical workpiece clamping device comprises a base, a collet chuck seat, a screw sleeve and a collet chuck;
the left section excircle of the clamp head seat is processed with a left section excircle external thread of the clamp head seat, the left section inner circle of the clamp head seat is an inner conical surface of the left section of the clamp head seat, and the large opening of the inner conical surface of the left section of the clamp head seat faces to the left side;
the inner circle of the left section of the screw sleeve is an inner circular conical surface of the left section of the screw sleeve, a limiting bulge of the inner circle of the middle section of the screw sleeve is arranged on the inner circle of the middle section of the screw sleeve, and an inner circular thread of the right section of the screw sleeve is processed on the inner circle of the right section of the screw sleeve;
the outer circle of the left section of the collet chuck is an outer circular conical surface of the left section of the collet chuck, the large head end of the outer circular conical surface of the left section of the collet chuck faces to the right, an annular collet chuck limiting groove is formed in the outer circle of the middle section of the collet chuck along the circumferential direction of the collet chuck, the outer circle of the right section of the collet chuck is an outer circular conical surface of the right section of the collet chuck, the large head end of the outer circular conical surface of the right section of the collet chuck faces to the left, a first elastic groove and a second elastic groove are formed in the collet chuck along the axial direction of the collet chuck, the first elastic groove penetrates through the left section, the middle section and part of the right section of the collet chuck, and the second elastic groove penetrates through the right section, the middle section and part of the left section of the collet chuck;
the right section of the chuck base is fixed with the base, the screw sleeve is arranged outside the left section of the chuck base, the collet chuck is arranged in the chuck base and the screw sleeve, external cylindrical threads of the left section of the chuck base are meshed with internal cylindrical threads of the right section of the screw sleeve, an external cylindrical conical surface of the right section of the collet chuck is tightly attached to an internal conical surface of the left section of the chuck base, a limiting protrusion of the middle section of the screw sleeve is positioned in a limiting groove of the collet chuck, and an internal conical surface of the left section of the screw sleeve is tightly attached to an external cylindrical conical surface of the left section of the collet chuck.
Preferably, the length of the outer conical surface of the left section of the collet is smaller than that of the outer conical surface of the right section of the collet.
Preferably, the taper of the outer conical surface of the left section of the collet is larger than that of the outer conical surface of the right section of the collet.
Preferably, the first elastic groove and the second elastic groove are arranged at intervals.
The utility model realizes the accurate quick assembly of the cylindrical workpiece, is particularly suitable for clamping small parts with high dimensional precision, greatly improves the production efficiency and reduces the labor cost.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a perspective view of a base in the present invention.
Fig. 3 is a perspective view of a chuck base in the present invention.
Fig. 4 is a perspective view of the insert of the present invention.
Fig. 5 is a perspective view of the collet of the present invention.
Detailed Description
The present invention will be further described with reference to the following specific examples.
The utility model relates to a collet chuck type cylindrical workpiece clamping device, which comprises a base 1, a collet chuck seat 2, a screw sleeve 3 and a collet chuck 4;
a left section excircle external thread 2.1 of the clamping head seat is processed on a left section excircle of the clamping head seat 2, a left section inner circle of the clamping head seat 2 is a left section inner conical surface 2.2 of the clamping head seat, and a large opening of the left section inner conical surface 2.2 of the clamping head seat faces to the left side;
the inner circle of the left section of the screw sleeve 3 is a conical surface 3.1 of the inner circle of the left section of the screw sleeve, the inner circle limiting bulge 3.2 of the middle section of the screw sleeve is arranged on the inner circle of the middle section of the screw sleeve 3, and the inner circle internal thread 3.3 of the right section of the screw sleeve is processed on the inner circle of the right section of the screw sleeve 3;
the left section of the outer circle of the collet chuck 4 is a collet chuck left section outer conical surface 4.1, the large head end of the collet chuck left section outer conical surface 4.1 faces to the right, an annular collet chuck limiting groove 4.2 is formed in the middle section of the outer circle of the collet chuck 4 along the circumferential direction of the outer circle, the right section of the outer circle of the collet chuck 4 is a collet chuck right section outer conical surface 4.3, the large head end of the collet chuck right section outer conical surface 4.3 faces to the left, a first elastic groove 4.4 and a second elastic groove 4.5 are formed in the collet chuck 4 along the axial direction of the collet chuck 4, the first elastic groove 4.4 penetrates through the left section, the middle section and part of the right section of the collet chuck 4, and the second elastic groove 4.5 penetrates through the right section, the middle section and part of the left section of the collet chuck 4;
the right section of the clamp head seat 2 is fixed with the base 1, the screw sleeve 3 is installed outside the left section of the clamp head seat 2, the collet chuck 4 is installed in the clamp head seat 2 and the screw sleeve 3, an external excircle thread 2.1 of the left section of the clamp head seat is meshed with an internal excircle thread 3.3 of the right section of the screw sleeve, an external cylindrical conical surface 4.3 of the right section of the collet chuck is tightly attached to an internal cylindrical surface 2.2 of the left section of the clamp head seat, an internal cylindrical limiting protrusion 3.2 of the middle section of the screw sleeve is located in a collet chuck limiting groove 4.2, the collet chuck 4 can be prevented from falling off during clamping, and the internal cylindrical surface 3.1 of the left section of the screw sleeve is tightly attached to the external cylindrical surface 4.1 of the left section of the collet chuck.
The length of the outer conical surface 4.1 of the left section of the collet is less than that of the outer conical surface 4.3 of the right section of the collet.
The taper of the outer conical surface 4.1 of the left section of the collet is larger than that of the outer conical surface 4.3 of the right section of the collet.
The first elastic groove 4.4 and the second elastic groove 4.5 are arranged at intervals.
During operation, a cylindrical workpiece 5 is inserted into the collet chuck 4, the nut 3 is screwed on the collet chuck 2 through the inner circle internal thread 3.3 of the right section of the nut and the outer circle external thread 2.1 of the left section of the collet chuck, and in the process of screwing the nut 3, the inner cone surface 3.1 of the left section of the nut compresses the outer cone surface 4.1 of the left section of the collet chuck, and the inner cone surface 2.2 of the left section of the collet chuck compresses the outer cone surface 4.3 of the right section of the collet chuck, so that the collet chuck 4 contracts radially to hold the cylindrical workpiece 5 tightly. Thereby realizing accurate fast assembly of the cylindrical workpiece 5, greatly improving the production efficiency and reducing the labor cost.

Claims (4)

1. The utility model provides a collet chuck formula cylindrical workpiece clamping device which characterized in that: it comprises a base (1), a collet seat (2), a threaded sleeve (3) and a collet (4);
the outer circle of the left section of the clamp head seat (2) is provided with an outer circle thread (2.1) of the left section of the clamp head seat, the inner circle of the left section of the clamp head seat (2) is an inner conical surface (2.2) of the left section of the clamp head seat, and the large opening of the inner conical surface (2.2) of the left section of the clamp head seat faces to the left side;
the inner circle of the left section of the screw sleeve (3) is a conical surface (3.1) of the inner circle of the left section of the screw sleeve, the inner circle of the middle section of the screw sleeve (3) is provided with a limiting bulge (3.2) of the inner circle of the middle section of the screw sleeve, and the inner circle of the right section of the screw sleeve (3) is provided with an inner circle internal thread (3.3) of the right section of the screw sleeve;
the left section of the outer circle of the collet chuck (4) is a left section of outer conical surface (4.1) of the collet chuck, the big end of the left section of outer conical surface (4.1) of the collet chuck faces to the right, an annular collet chuck limiting groove (4.2) is formed in the middle section of the outer circle of the collet chuck (4) along the circumferential direction of the middle section of the outer conical surface, the right section of the outer circle of the collet chuck (4) is a right section of outer conical surface (4.3) of the collet chuck, the big end of the right section of the outer conical surface (4.3) of the collet chuck faces to the left, a first elastic groove (4.4) and a second elastic groove (4.5) are formed in the collet chuck (4) along the axial direction of the collet chuck, the first elastic groove (4.4) penetrates through the left section, the middle section and part of the right section of the collet chuck (4), and the second elastic groove (4.5) penetrates through the right section, the middle section and part of the left section of the collet chuck (4);
the right section of the clamp head seat (2) is fixed with the base (1), the screw sleeve (3) is installed outside the left section of the clamp head seat (2), the collet (4) is installed in the clamp head seat (2) and the screw sleeve (3), the excircle external thread (2.1) of the left section of the clamp head seat is meshed with the inner circle internal thread (3.3) of the right section of the screw sleeve, the excircle conical surface (4.3) of the right section of the collet is tightly attached to the inner conical surface (2.2) of the left section of the clamp head seat, the inner circle limiting bulge (3.2) of the middle section of the screw sleeve is located in the collet limiting groove (4.2), and the inner conical surface (3.1) of the left section of the screw sleeve is tightly attached to the outer conical surface (4.1) of the left section of the collet.
2. The collet-type cylindrical workpiece clamping device as claimed in claim 1, wherein: the length of the outer conical surface (4.1) of the left section of the collet is less than that of the outer conical surface (4.3) of the right section of the collet.
3. The collet-type cylindrical workpiece clamping device as claimed in claim 1 or 2, wherein: the taper of the outer conical surface (4.1) of the left section of the collet is larger than that of the outer conical surface (4.3) of the right section of the collet.
4. The collet-type cylindrical workpiece clamping device as claimed in claim 1, wherein: the first elastic groove (4.4) and the second elastic groove (4.5) are arranged at intervals.
CN202122089490.5U 2021-08-31 2021-08-31 Cylindrical workpiece clamping device with cylindrical clamping function Active CN215469776U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122089490.5U CN215469776U (en) 2021-08-31 2021-08-31 Cylindrical workpiece clamping device with cylindrical clamping function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122089490.5U CN215469776U (en) 2021-08-31 2021-08-31 Cylindrical workpiece clamping device with cylindrical clamping function

Publications (1)

Publication Number Publication Date
CN215469776U true CN215469776U (en) 2022-01-11

Family

ID=79766712

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122089490.5U Active CN215469776U (en) 2021-08-31 2021-08-31 Cylindrical workpiece clamping device with cylindrical clamping function

Country Status (1)

Country Link
CN (1) CN215469776U (en)

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