CN214054409U - Frock clamp for drilling - Google Patents
Frock clamp for drilling Download PDFInfo
- Publication number
- CN214054409U CN214054409U CN202021774326.7U CN202021774326U CN214054409U CN 214054409 U CN214054409 U CN 214054409U CN 202021774326 U CN202021774326 U CN 202021774326U CN 214054409 U CN214054409 U CN 214054409U
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- clamping
- hole
- supporting plate
- drilling
- tool holder
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Abstract
The utility model discloses a tool clamp for drilling, which comprises a supporting plate, wherein a first through hole penetrating through the upper surface and the lower surface of the supporting plate is arranged on the supporting plate, a first elongated slot penetrating through the upper surface and the lower surface of the supporting plate is arranged on the supporting plate which is positioned at the first side of the first through hole and at the opposite side of the first side, the first elongated slot penetrates through the first side end part of the supporting plate towards the first side direction, the first side end of the supporting plate is divided into a first clamping end and a second clamping end, and a fastening connecting piece is arranged between the first clamping end and the second clamping end; the tool clamp further comprises an elastic chuck which is used for clamping a workpiece and can be matched with the first through hole. The utility model discloses a double centre gripping of collet, first exposed core and second exposed core can guarantee the stability in the drilling machine drilling course of working with the firm fixed of work piece. Moreover, the utility model provides a frock clamp, simple structure facilitates the use.
Description
Technical Field
The utility model belongs to the technical field of machining, concretely relates to frock clamp for drilling.
Background
At present, equipment such as a lathe, a milling machine, a boring machine, a drilling machine and the like is generally adopted for drilling a workpiece, wherein the drilling machine is simple in structure, small in size and low in price, and plays an important role in machining small workpieces and small-bore holes. One prior art workpiece, shown in fig. 1, is a joint core, including a connection end 11 and a core rod 12, which is widely used in fluid line connections, has a small bore size, and can be machined using a drill, however, the prior art lacks an effective drilling jig.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a frock clamp for drilling for solving prior art not enough.
The purpose of the utility model is realized by the following technical scheme:
a tool clamp for drilling comprises a supporting plate, wherein a first through hole penetrating through the upper surface and the lower surface of the supporting plate is formed in the supporting plate, a first long groove penetrating through the upper surface and the lower surface of the supporting plate is formed in the supporting plate on the first side of the first through hole and the opposite side of the first side, the first long groove penetrates through the end part of the first side of the supporting plate in the direction of the first side, the first side end of the supporting plate is divided into a first clamping end and a second clamping end, and a fastening connecting piece is arranged between the first clamping end and the second clamping end; the tool clamp further comprises an elastic chuck which is used for clamping a workpiece and can be matched with the first through hole.
Preferably, the fastening connector comprises a connecting rod connecting the first clamping end and the second clamping end, and a fastening nut located on the connecting rod.
Preferably, the supporting plate is provided with a pressing plate capable of moving at a first position and a second position, when the pressing plate is located at the first position, the pressing plate is pressed on the upper end face of the elastic chuck matched with the first through hole, and when the pressing plate is located at the second position, the pressing plate is far away from the elastic chuck matched with the first through hole.
Preferably, a fixed shaft is arranged on the supporting plate, and the pressing plate penetrates through the fixed shaft and can rotate around the fixed shaft.
Preferably, collet from top to bottom includes head and clamping part, the external diameter of head is greater than the aperture of first through-hole, just the external diameter of clamping part with the aperture of first through-hole suits, be equipped with on the collet and run through the second through-hole of the upper and lower surface of head and clamping part, the second through-hole with the external diameter of work piece suits.
Preferably, the workpiece comprises a connecting end and a core rod from top to bottom; the aperture of the second through hole is smaller than the outer diameter of the connecting end, and the aperture of the second through hole is matched with the outer diameter of the core rod.
Preferably, the head part and the upper part of the clamping part are provided with a plurality of vertical clamping long grooves, a plurality of clamping jaws are correspondingly formed, the clamping part is further provided with a plurality of vertical second long grooves, the bottom ends of the second long grooves extend to the lower surface of the clamping part, and the plurality of clamping long grooves and the plurality of second long grooves are uniformly arranged at intervals.
Preferably, the collet further comprises a tail connected with the bottom end of the clamping part, the diameter of the tail is larger than that of the clamping part, and the height of the clamping part is the same as that of the supporting plate.
Preferably, the device also comprises an air blowing device for sweeping the debris.
The utility model provides a frock clamp for drilling adopts collet, the dual centre gripping of first exposed core and second exposed core, can guarantee the stability in the drilling machine drilling course of working with the firm fixed of work piece. Moreover, the utility model provides a frock clamp, simple structure facilitates the use.
Drawings
FIG. 1 is a schematic diagram of a workpiece structure according to the prior art;
fig. 2 is a schematic structural view of the tool clamp for drilling provided by the present invention;
FIG. 3 is a schematic structural view of the collet;
fig. 4 is a schematic structural view of the work fixture engaged with a workpiece.
Detailed Description
The utility model provides a frock clamp for drilling, as shown in fig. 2-4, including base 21, be equipped with backup pad 22 on the base 21, be equipped with the first through-hole 23 that runs through on the backup pad, the lower surface on the right side of backup pad 22, set up the first elongated slot 24 that runs through on the backup pad, the lower surface in the backup pad that lies in the left and right sides of first through-hole 23, the right side terminal surface that the backup pad 22 is run through to the right side of first elongated slot, extend right length can to suitable length left, therefore the right side end separation of backup pad is first exposed core 26 and second exposed core 25 for first elongated slot, be equipped with fastening connection spare between first exposed core and the second exposed core, first exposed core 26 and second exposed core 25 are separable, so that the aperture of first through-hole 23 grow, still can be fixed with first exposed core and second exposed core zonulae; the tool clamp further comprises an elastic chuck which is used for clamping the workpiece and can be matched with the first through hole 23. The elastic chuck can adopt a common elastic chuck in the prior art and is matched with the specification and the size of a workpiece.
The utility model discloses a concrete working process as follows:
the fastening connecting piece is loosened to separate the first clamping end 26 from the second clamping end 25, the first through hole 23 is enlarged, the elastic chuck is placed into the first through hole 23, then the workpiece is placed into the elastic chuck, the fastening connecting piece is fastened, the first clamping end 26 and the second clamping end 25 are radially contracted and transmit acting force to the elastic chuck, the elastic chuck is enabled to fasten and hold the workpiece, the workpiece is kept static in the drilling process of the drilling machine, the workpiece cannot move, and the drilling precision is ensured.
The elastic chuck is stable in performance and high in precision, and is generally mounted on a machine tool spindle and used for clamping a workpiece or a cutter, the elastic chuck is mounted in first through holes of a first clamping end 26 and a second clamping end 25 of a supporting plate, the first clamping end 26 and the second clamping end 25 are enabled to contract centripetally or separate outwards through a fastening connecting piece, the elastic chuck is enabled to clamp the workpiece or loosen the workpiece under stress, the due effect and advantage of the elastic chuck are exerted, the workpiece is firmly clamped, and the stability of a drilling machine in the drilling process is ensured. Moreover, the utility model provides a frock clamp, simple structure facilitates the use.
Preferably, as shown in fig. 2, the fastening connector may adopt the following structure: the clamping device comprises a connecting rod 27 connected with a first clamping end 26 and a second clamping end 25, one end of the connecting rod 27 is located on the outer side of the front side face of the first clamping end 26, then radially penetrates through the first clamping end 26, a first long groove 24 and is fixedly connected with the second clamping end 25, a fastening nut 28 is arranged on the connecting rod 27 located outside the front side face of the first clamping end 26, and the first clamping end is close to the second clamping end by rotating the fastening nut 28 to be tightly connected with the second clamping end. It is further preferred that a backing plate 29 is provided between the fastening nut and the first clamping end to strengthen the connection.
Preferably, the supporting plate 22 is provided with a pressing plate 30 capable of moving between a first position and a second position, when the pressing plate 30 is located at the first position, the pressing plate can be pressed on the upper end face of the collet matched with the first through hole 23 to further press the collet downwards, so that the collet matched with the first through hole is prevented from moving in the drilling process, and when the pressing plate 30 is located at the second position, the pressing plate is far away from the collet matched with the first through hole 23, so that the collet and the first through hole can be conveniently matched and separated. More preferably, the supporting plate 22 is provided with a fixing shaft 31, the pressing plate 30 passes through the fixing shaft 31 and can rotate around the fixing shaft 31, and a limiting member 32 is further provided above the pressing plate 30 to limit the upward movement of the pressing plate 30.
Preferably, the collet can adopt a structure as shown in fig. 3: the elastic chuck comprises a head part 41 and a clamping part 42 from top to bottom, the outer diameter of the head part 41 is larger than the aperture of the first through hole 23, the outer diameter of the clamping part 42 is matched with the aperture of the first through hole 23, a second through hole 43 penetrating through the upper surface and the lower surface of the head part 41 and the clamping part 42 is arranged on the elastic chuck, and the second through hole 43 is matched with the outer diameter of a workpiece; the elastic chuck is matched with the first through hole 23 through the clamping part 42, and the outer diameter of the head part 41 is larger than that of the first through hole 23, so that the limiting effect can be achieved.
Preferably, a workpiece to be processed includes the connecting end 11 and the core rod 12 from top to bottom as shown in fig. 1, the aperture of the second through hole 43 is smaller than the outer diameter of the connecting end 11 and is adapted to the outer diameter of the core rod 12, and the collet clamps the longer core rod 12 of the workpiece, which is more beneficial to clamping than the connecting end 11.
Preferably, as shown in fig. 3, the head 41 and the upper portion of the clamping portion 42 are provided with a plurality of vertical clamping long grooves 44, and a plurality of clamping jaws 45 are correspondingly formed, the plurality of clamping jaws 45 have an elastic deformation function, and can be compressed centripetally by applying pressure to the first clamping end and the second clamping end through fastening connectors, so as to clamp the workpiece firmly. The bottom end of each vertical clamping long groove 44 is further provided with a radial hole 47, so that the elasticity of the clamping jaw can be increased, and the clamping jaw can be prevented from being broken after being clamped for multiple times.
The collet also includes a tail portion 48 connected to the bottom end of the gripping portion 42, the tail portion having a diameter slightly larger than the gripping portion 42, and the gripping portion 42 having a height equal to the height of the support plate 22. Through setting up the afterbody that the diameter is slightly bigger, both can put into first through-hole, can be again when the fastening connection spare application of force, first exposed core and second exposed core centre gripping portion centre gripping in first through-hole 23, and head 41 and afterbody 48 are spacing from upper end and lower extreme respectively, and the centre gripping effect is better.
Preferably, the utility model provides a frock clamp still includes the gas blowing device that is used for cleaning the piece, specifically can include air pump 33 and gas blow pipe 34, can blow up and clean the piece that the processing produced. Further preferably, a support rod 35 is arranged on the support plate 22, a clamping groove 36 is arranged at the top end of the support rod, and the air blowing pipe 34 can be fixed in the clamping groove.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. A tool clamp for drilling is characterized by comprising a supporting plate, wherein a first through hole penetrating through the upper surface and the lower surface of the supporting plate is formed in the supporting plate, a first long groove penetrating through the upper surface and the lower surface of the supporting plate is formed in the supporting plate on the first side of the first through hole and the opposite side of the first side, the first long groove penetrates through the first side end part of the supporting plate in the direction of the first side, the first side end of the supporting plate is divided into a first clamping end and a second clamping end, and a fastening connecting piece is arranged between the first clamping end and the second clamping end; the tool clamp further comprises an elastic chuck which is used for clamping a workpiece and can be matched with the first through hole.
2. The tool holder for drilling according to claim 1,
the fastening connecting piece comprises a connecting rod and a fastening nut, wherein the connecting rod is connected with the first clamping end and the second clamping end, and the fastening nut is positioned on the connecting rod.
3. The tool holder for drilling according to claim 1,
the supporting plate is provided with a pressing plate which can move at a first position and a second position, when the pressing plate is located at the first position, the pressing plate is pressed on the upper end face of the elastic chuck matched with the first through hole, and when the pressing plate is located at the second position, the pressing plate is far away from the elastic chuck matched with the first through hole.
4. The tool holder for drilling according to claim 3,
the supporting plate is provided with a fixed shaft, and the pressing plate penetrates through the fixed shaft and can rotate around the fixed shaft.
5. The tool holder for drilling according to claim 1,
the collet from top to bottom includes head and clamping part, the external diameter of head is greater than the aperture of first through-hole, just the external diameter of clamping part with the aperture of first through-hole suits, be equipped with on the collet and run through the second through-hole of the upper and lower surfaces of head and clamping part, the second through-hole with the external diameter of work piece suits.
6. The tool holder for drilling according to claim 5,
the workpiece comprises a connecting end and a core rod from top to bottom; the aperture of the second through hole is smaller than the outer diameter of the connecting end, and the aperture of the second through hole is matched with the outer diameter of the core rod.
7. The tool holder for drilling according to claim 5,
the upper parts of the head part and the clamping part are provided with a plurality of vertical clamping long grooves, a plurality of clamping jaws are correspondingly formed, the clamping part is further provided with a plurality of vertical second long grooves, the bottom ends of the second long grooves extend to the lower surface of the clamping part, and the plurality of clamping long grooves and the plurality of second long grooves are uniformly arranged at intervals.
8. The tool holder for drilling according to claim 5,
the elastic chuck further comprises a tail part connected with the bottom end of the clamping part, the diameter of the tail part is larger than that of the clamping part, and the height of the clamping part is the same as that of the supporting plate.
9. The tool holder for drilling according to claim 1,
also comprises an air blowing device for cleaning the debris.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021774326.7U CN214054409U (en) | 2020-08-24 | 2020-08-24 | Frock clamp for drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021774326.7U CN214054409U (en) | 2020-08-24 | 2020-08-24 | Frock clamp for drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214054409U true CN214054409U (en) | 2021-08-27 |
Family
ID=77385497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021774326.7U Active CN214054409U (en) | 2020-08-24 | 2020-08-24 | Frock clamp for drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214054409U (en) |
-
2020
- 2020-08-24 CN CN202021774326.7U patent/CN214054409U/en active Active
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 451200 No.33, Chuangye Road, private science and technology entrepreneurship Park, Gongyi City, Zhengzhou City, Henan Province Patentee after: Henan HENGCHUANG Precision Manufacturing Co.,Ltd. Address before: 451200 No.33, Chuangye Road, private science and technology entrepreneurship Park, Gongyi City, Zhengzhou City, Henan Province Patentee before: Henan HENGCHUANG Precision Manufacturing Co.,Ltd. |