CN210731716U - Tool clamp for milling groove on boss of disc cover part - Google Patents
Tool clamp for milling groove on boss of disc cover part Download PDFInfo
- Publication number
- CN210731716U CN210731716U CN201921737833.0U CN201921737833U CN210731716U CN 210731716 U CN210731716 U CN 210731716U CN 201921737833 U CN201921737833 U CN 201921737833U CN 210731716 U CN210731716 U CN 210731716U
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- Prior art keywords
- boss
- clamp
- cam
- shell
- groove
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- Expired - Fee Related
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- 238000003801 milling Methods 0.000 title claims abstract description 15
- 230000008878 coupling Effects 0.000 claims abstract description 14
- 238000010168 coupling process Methods 0.000 claims abstract description 14
- 238000005859 coupling reaction Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000010354 integration Effects 0.000 abstract description 4
- 238000003754 machining Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
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Abstract
The utility model discloses a dish lid class part frock clamp for boss milling flutes mainly relates to a frock clamp. Comprises a base, a shell and a clamping device assembly; the clamping device assembly comprises a central column, a cam, a push rod and a pressing clamp, wherein an external thread is arranged at the bottom end of the central column, a rotating block is arranged on the push rod, an internal thread in threaded connection with the external thread is arranged at the center of the rotating block, and the top end of the rotating block is in transmission connection with the bottom end of the cam through a coupling part; the shell body is provided with a hinged seat and a through hole at the outer side, the middle part of the pressing clamp is hinged with the hinged seat until the middle part is hinged with the hinged seat, and a mandril is inserted in the through hole. The beneficial effects of the utility model reside in that: the positioning and clamping integration of parts can be realized by rotating the push rod, and the tool setting is carried out after the clamping without using a screw pressing plate clamp; by using the clamp, the center of the top surface of the boss of the part can be ensured to be the origin of coordinates after the part is clamped, and the working hours of positioning and clamping operation before machining are greatly shortened.
Description
Technical Field
The utility model relates to a frock clamp specifically is frock clamp for dish lid class part boss milling flutes.
Background
As shown in the attached figure 3 in the specification, when the boss milling groove is formed in the tray cover type part arranged on the furniture, the bottom tray seat of the tray cover type part needs to be positioned and clamped. The current technology adopts 2 ~ 3 screw clamp plate anchor clamps to press from both sides tightly. Milling is performed after tool setting during machining. The screw pressing plate clamp is disassembled and assembled once every time one part is machined. The machinery specialty all knows that the nut can be screwed up and tightened after the screw clamp plate clamp needs to be matched with the bevel teeth of the triangular cushion block in the dismounting and pressing processes. The clamping process by means of screw pressing plate clamps before the whole machining is time-consuming.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a tool clamp for milling grooves on a boss of a disc cover part, which is a novel clamp, can realize the positioning and clamping integration of the part by rotating a push rod, and does not need to clamp and then adjust a tool like a screw press plate clamp; by using the positioning and clamping integrated clamp, the center of the top surface of the boss of the part can be ensured to be the origin of coordinates after the part is clamped, and the working hours of positioning and clamping operation before processing are greatly shortened.
The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:
the tool clamp for milling the groove on the boss of the disc-cover part comprises a base, a shell and a clamping device assembly; the support legs at the bottom of the shell are fixed with the base through bolts, and the top surface of the shell is a part placing table top; the clamping device assembly comprises a central column, a cam, a push rod and a pressing clamp, wherein the central column is fixedly arranged between the top surface of the shell and the base, the bottom end of the central column is provided with an external thread, the cam is rotatably connected and arranged on the central column and positioned above the external thread, the push rod is provided with a rotating block, the center of the rotating block is provided with an internal thread in threaded connection with the external thread, and the top end of the rotating block is in transmission connection with the bottom end of the cam through a coupling piece; the shell body outer side is provided with a hinged seat and a through hole, the middle part of the compressing gripper is hinged to the hinged seat, a mandril is inserted into the through hole, the inner side of the mandril is matched with the cam wheel surface, the outer side of the mandril is matched with the bottom end of the compressing gripper, and the top end of the compressing gripper is provided with a pressing end.
The center of the top surface of the shell is provided with a center positioning boss, and the bottom surface of the plate cover part to be processed is provided with a positioning groove matched with the center positioning boss.
And a limiting baffle is arranged on the outer side of the ejector rod.
The compressing clamp is provided with three compressing clamps, the cam is provided with three convex teeth, a tooth groove is formed between every two adjacent convex teeth, and the radius of the outer edge of the cam is gradually increased from the tooth groove to the convex teeth.
The bottom surface of the cam is provided with a first connecting boss, and the top surface of the coupling part is provided with a first connecting platform groove which is in splicing fit with the first connecting boss; the bottom surface of the coupling piece is provided with a second connecting boss, and the top surface of the rotating block is provided with a second connecting boss groove which is in splicing fit with the second connecting boss.
The outer side surface of the shell is provided with a return spring, and the outer end of the return spring is connected with the inner side of the top end of the pressing clamp.
Contrast prior art, the beneficial effects of the utility model reside in that:
the cam is driven to rotate by rotating the push rod, the three convex teeth push the ejector rod to penetrate out of the through hole when the cam rotates, and the ejector rod pushes the bottom end of the pressing clamp to rotate by taking the hinged base as a center, so that the pressing end at the top end of the pressing clamp can tighten a part placed on the part placing table board. Because the central position of the top surface of the shell is provided with the central positioning boss, the positioning is completed after the positioning groove at the bottom surface of the disc cover type part to be processed is matched with the central positioning boss, and the center of the top surface of the boss of the part is ensured to be the origin of coordinates after the part is clamped.
The device and the operation method can realize the positioning and clamping integration of parts, and the positioning and clamping operation man-hour before processing is greatly shortened because the tool needs not to be set after clamping like a screw pressing plate clamp.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the local structure of the present invention.
Fig. 3 is a usage state diagram of the present invention.
Fig. 4 is a schematic diagram of the structure of the middle cam of the present invention.
Fig. 5 is a schematic structural view of the middle coupling member of the present invention.
Fig. 6 is a schematic view of the structure of the middle push rod of the present invention.
Reference numerals shown in the drawings:
1. a base; 2. a housing; 3. a part placing table-board; 4. a central column; 5. a cam; 6. a push rod; 7. pressing the clamping hands; 8. an external thread; 9. rotating the block; 10. an internal thread; 11. a coupling member; 12. a hinged seat; 13. a top rod; 14. a central positioning boss; 15. a limiting baffle plate; 16. a convex tooth; 17. a tooth socket; 18. a first connecting boss; 19. a first connecting platform groove; 20. a second connecting boss; 21. a second connecting platform groove; 22. a return spring.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.
The utility model relates to a tool clamp for milling grooves on a boss of a disc cover part, which comprises a main structure comprising a base 1, a shell 2 and a clamping device assembly; the support legs at the bottom of the shell 2 are fixed with the base 1 through bolts, and the top surface of the shell 2 is a part placing table top 3; the center of the part placing table surface 3 is provided with a center positioning boss 14, and the bottom surface of the disc cover part to be processed is provided with a positioning groove matched with the center positioning boss 14. The positioning groove on the bottom surface of the disc cover type part to be processed is matched with the central positioning boss 14, and then the positioning is completed, and the center of the top surface of the boss of the part is ensured to be the origin of coordinates after the part is clamped.
The clamping device assembly comprises a central column 4, a cam 5, a push rod 6 and a pressing clamp 7, wherein the central column 4 is fixedly arranged between the top surface of the shell 2 and the base 1, an external thread 8 is arranged at the bottom end of the central column 4, the cam 5 is rotatably connected and arranged on the central column 4 and positioned above the external thread 8, a rotating block 9 is arranged on the push rod 6, an internal thread 10 in threaded connection with the external thread 8 is arranged at the center of the rotating block 9, and the top end of the rotating block 9 is in transmission connection with the bottom end of the cam 5 through a coupling part 11; the outer side of the shell 2 is provided with a hinged seat 12 and a through hole, the middle of the compression clamping hand 7 is hinged to the hinged seat 12, a mandril 13 is inserted in the through hole, the inner side of the mandril 13 is matched with the wheel surface of the cam 5, the outer side of the mandril 13 is matched with the bottom end of the compression clamping hand 7, the outer side of the mandril 13 is provided with a limiting blocking piece 15, and the top end of the compression clamping hand 7 is provided with a pressing end. The limiting stop 15 is used to prevent the push rod 13 from completely extending into the housing 2.
Further, the number of the pressing clamping hands 7 is three, three convex teeth 16 are arranged on the cam 5, a tooth groove 17 is formed between every two adjacent convex teeth 16, and the radius of the outer edge surface of the cam 5 is gradually increased from the tooth groove 17 to the convex teeth 16.
Further defined, the connection between the cam 5, the coupling 11 and the push rod 6 is as follows: the bottom surface of the cam 5 is provided with a first connecting boss 18, and the top surface of the coupling member 11 is provided with a first connecting platform groove 19 which is in inserted connection and matching with the first connecting boss 18; the bottom surface of the coupling member 11 is provided with a second connecting boss 20, and the top surface of the rotating block 9 is provided with a second connecting groove 21 which is in splicing fit with the second connecting boss 20.
The outer side surface of the shell 2 is provided with a return spring 22, and the outer end of the return spring 22 is connected with the inner side of the top end of the pressing clamp 7. When the machined clamp needs to be detached, the ejector rod 13 does not tightly push the bottom end of the pressing clamp 7 any more after the push rod 6 is rotated reversely, the top end of the pressing clamp 7 is pushed away from the shell 2 under the action of the elastic force of the reset spring 22, and the bottom end of the pressing clamp 7 is close to the shell 2.
Methods and principles of use:
through rotating the push rod 6, the rotating block 9 drives the cam 5 to rotate, because the radius of the outer edge surface of the cam 5 is gradually increased from the tooth groove 17 to the convex tooth 16, the three convex teeth 16 push the ejector rod 13 to penetrate through the through hole when the cam 5 rotates, and the ejector rod 13 pushes the bottom end of the pressing clamp 7 to rotate by taking the hinge base 12 as the center, so that the pressing end at the top end of the pressing clamp 7 tightly presses the part placed on the part placing table board 3. The rotating block 9 is connected with the thread at the bottom of the central column 4, so that the rotating block 9 is similar to a nut, and the rotating block 9 similar to the nut can position the cam 5 and the coupling member 11 on the central column 4 and cannot easily rotate, thereby completing the stable clamping of parts.
Because the central position of the top surface of the shell 2 is provided with the central positioning boss 14, the positioning groove at the bottom surface of the disc cover type part to be processed is matched with the central positioning boss 14 to complete the positioning, and the center of the top surface of the boss of the part can be ensured to be the origin of coordinates after the part is clamped.
The device and the operation method can realize the positioning and clamping integration of parts, and the positioning and clamping operation man-hour before processing is greatly shortened because the tool needs not to be set after clamping like a screw pressing plate clamp.
Claims (6)
1. Disc lid class part boss frock clamp for milling flutes, its characterized in that: comprises a base (1), a shell (2) and a clamping device assembly;
the support legs at the bottom of the shell (2) are fixed with the base (1) through bolts, and the top surface of the shell (2) is a part placing table top (3);
the clamping device assembly comprises a center column (4), a cam (5), a push rod (6) and a compression clamp (7), the center column (4) is fixedly arranged between the top surface of the shell (2) and the base (1), an external thread (8) is arranged at the bottom end of the center column (4), the cam (5) is rotatably connected and arranged on the center column (4) and located above the external thread (8), a rotating block (9) is arranged on the push rod (6), an internal thread (10) in threaded connection with the external thread (8) is arranged at the center of the rotating block (9), and the top end of the rotating block (9) is in transmission connection with the bottom end of the cam (5) through a coupling member (11); the casing (2) outside is equipped with articulated seat (12) and perforates, it is articulated with articulated seat (12) to compress tightly tong (7) middle part position, perforation department alternates there is ejector pin (13), ejector pin (13) inboard suits with cam (5) wheel face, ejector pin (13) outside suits with compressing tightly tong (7) bottom, it is equipped with the pressure and holds the end to compress tightly tong (7) top.
2. The tool clamp for milling the groove on the boss of the disc cover part according to claim 1, wherein: the center of the top surface of the shell (2) is provided with a center positioning boss (14), and the bottom surface of the plate cover part to be processed is provided with a positioning groove matched with the center positioning boss (14).
3. The tool clamp for milling the groove on the boss of the disc cover part according to claim 1, wherein: and a limiting blocking piece (15) is arranged on the outer side of the ejector rod (13).
4. The tool clamp for milling the groove on the boss of the disc cover part according to claim 1, wherein: the pressing clamping hands (7) are three, three convex teeth (16) are arranged on the cam (5), tooth grooves (17) are formed between every two adjacent convex teeth (16), and the radius of the outer edge of the cam (5) is gradually increased from the tooth grooves (17) to the convex teeth (16).
5. The tool clamp for milling the groove on the boss of the disc cover part according to claim 1, wherein: a first connecting boss (18) is arranged on the bottom surface of the cam (5), and a first connecting groove (19) which is in inserting fit with the first connecting boss (18) is arranged on the top surface of the coupling piece (11); the bottom surface of the coupling piece (11) is provided with a second connecting boss (20), and the top surface of the rotating block (9) is provided with a second connecting groove (21) which is in plug-in fit with the second connecting boss (20).
6. The tool clamp for milling the groove on the boss of the disc cover part according to claim 1, wherein: the outer side surface of the shell (2) is provided with a return spring (22), and the outer end of the return spring (22) is connected with the inner side of the top end of the pressing clamp (7).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921737833.0U CN210731716U (en) | 2019-10-16 | 2019-10-16 | Tool clamp for milling groove on boss of disc cover part |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921737833.0U CN210731716U (en) | 2019-10-16 | 2019-10-16 | Tool clamp for milling groove on boss of disc cover part |
Publications (1)
Publication Number | Publication Date |
---|---|
CN210731716U true CN210731716U (en) | 2020-06-12 |
Family
ID=71007179
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201921737833.0U Expired - Fee Related CN210731716U (en) | 2019-10-16 | 2019-10-16 | Tool clamp for milling groove on boss of disc cover part |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN210731716U (en) |
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2019
- 2019-10-16 CN CN201921737833.0U patent/CN210731716U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200612 |