CN210098859U - High-straightness M5 straight-bar long-screw cold heading grinding tool - Google Patents
High-straightness M5 straight-bar long-screw cold heading grinding tool Download PDFInfo
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- CN210098859U CN210098859U CN201920538024.0U CN201920538024U CN210098859U CN 210098859 U CN210098859 U CN 210098859U CN 201920538024 U CN201920538024 U CN 201920538024U CN 210098859 U CN210098859 U CN 210098859U
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Abstract
The utility model relates to the technical field of grinding tools, in particular to a high-straightness M5 straight-bar long screw cold heading grinding tool, which comprises a lower die and an upper die, wherein a buffer pad is welded in the upper die, a fixed block is welded below the buffer pad, a cold heading head is welded on the fixed block, an oil groove is welded above the upper die, an oil cover is rotatably connected on the oil groove, a fixture block is welded at one end of the oil cover, a clamping groove is formed at one end above the oil groove, an oil pipe is connected below the oil groove, valves are all arranged on the oil pipe, the oil pipe is connected with a connector, two symmetrical first oil holes are formed between the upper die and the fixed block, two second oil holes are formed between the fixed block and the cold heading head, a cavity is formed in the lower die, a thimble is arranged in the cavity, heat dissipation grooves are formed at two ends of the lower die, radiating holes are formed above the radiating grooves. The utility model discloses, the radiating effect is better.
Description
Technical Field
The utility model relates to a grinding apparatus technical field especially relates to a M5 straight-bar long screw's of high straightness accuracy cold-heading grinding apparatus.
Background
The filter in the field of wireless communication radio frequency needs a larger frequency modulation range, the filter needs to adopt a longer tuning screw, a forging method for upsetting and forming a metal bar by using a die at normal temperature in cold upsetting is generally used for manufacturing heads of screws, bolts, rivets and the like, cutting processing can be reduced or replaced, and a cold pier belongs to a cold stamping method.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a high-straightness M5 straight-bar long-screw cold heading grinding tool.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a high-straightness M5 straight-bar long screw cold heading grinding tool comprises a lower die and an upper die, wherein a cushion pad is welded in the upper die, a fixed block is welded below the cushion pad, a cold heading head is welded at one end, far away from the cushion pad, of the fixed block, oil grooves are welded on two side walls of the upper die, an oil cover is connected on the oil grooves in a rotating manner, pull rings are welded above the oil cover, a clamping block is welded at one end of the oil cover, clamping grooves are formed in one end above the oil grooves, oil pipes are connected below the oil grooves, valves are mounted on the oil pipes, connectors are connected at one ends, far away from the oil grooves, of the oil pipes, two symmetrical first oil holes are formed between the upper die and the fixed block, two second oil holes are formed between the fixed block and the cold heading head, a cavity is formed in the lower die, and, the heat dissipation device is characterized in that heat dissipation grooves are formed in two ends of the lower die, a plurality of reinforcing ribs are welded in the heat dissipation grooves, a plurality of through holes are formed in the reinforcing ribs, the lower ends of the heat dissipation grooves are connected with air inlet pipes, and heat dissipation holes are formed in the upper portions of the heat dissipation grooves.
Preferably, one end of the connector, which is far away from the oil pipe, is welded on the upper die shell.
Preferably, the first oil holes are communicated with the corresponding second oil holes.
The utility model provides a pair of M5 straight-bar long screw's of high straightness accuracy cold-heading grinding apparatus, beneficial effect lies in: in order to reduce the friction generated by the pressing of the cold heading head and the cavity, a valve on the oil pipe can be opened to ensure that a proper amount of lubricating oil flows into a first oil hole from the oil pipe, then the valve is closed, the lubricating oil flows into a second oil hole communicated with the first oil hole, the lubricating oil flows out of the cold heading head along the second oil hole, the cold heading head is lubricated to reduce friction, the thimble of the lower die can eject the screw rod after cold heading forming, the lower die is provided with a heat dissipation groove, in order to prevent the strength of the lower die from deforming, the heat dissipation groove is internally provided with a strengthening rib, the air inlet pipe is connected below the heat dissipation groove, the other end of the air inlet pipe is connected with external refrigerating air equipment, when the cooling device works, cold air can be blown into the heat dissipation groove through the air inlet pipe to dissipate heat of the lower die, the radiating holes are formed above the radiating grooves, the hot air after radiation is discharged from the radiating holes, and the plurality of through holes are formed in the reinforcing ribs, so that the hot air can be discharged better.
Drawings
Fig. 1 is a schematic structural view of a high-straightness M5 straight-bar long-screw cold heading grinding tool provided by the present invention;
fig. 2 is a schematic side view of the structure of fig. 1 according to the present invention;
fig. 3 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.
In the figure: the oil pipe cooling device comprises a lower die 1, an upper die 2, a cushion pad 3, a fixing block 4, a cold heading head 5, an oil groove 6, an oil pipe 7, a valve 8, a connector 9, a first oil hole 10, a second oil hole 11, an oil cover 12, a clamping block 13, a clamping groove 14, a thimble 15, a heat dissipation groove 16, a reinforcing rib 17, a through hole 18, an air inlet pipe 19, a heat dissipation hole 20, a cavity 21 and a pull ring 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a high-straightness M5 straight-bar long-screw cold heading grinding tool comprises a lower die 1 and an upper die 2, a cushion pad 3 is welded in the upper die 2, a fixed block 4 is welded below the cushion pad 3 with a buffering effect, a cold heading head 5 is welded at one end, away from the cushion pad 3, of the fixed block 4, oil grooves 6 are welded on two side walls above the upper die 2, an oil cover 12 is rotatably connected onto the oil grooves 6, pull rings 22 are welded above the oil cover 12, fixture blocks 13 are welded at one end of the oil cover 12, a clamping groove 14 is formed in one end above the oil groove 6, the oil groove 6 is mounted on the upper die 2, the oil cover 12 is opened by pulling the pull rings 22 upwards, lubricating oil is poured into the oil groove 6, the fixture blocks 13 are matched with the clamping grooves 14, the oil cover 12 is closed by rotating, the fixture blocks 13 on the oil cover 12 are clamped into, The impurities enter the oil sump 6.
An oil pipe 7 is connected below the oil groove 6, valves 8 are mounted on the oil pipe 7, a connector 9 is connected at one end of the oil pipe 7 far away from the oil groove 6, one end of the connector 9 far away from the oil pipe 7 is welded on the shell of the upper die 2, two symmetrical first oil holes 10 are formed between the upper die 2 and the fixed block 4, the oil pipe 7 is fixedly connected with the upper die 2 through the connector 9 and communicated with the first oil holes 10, two second oil holes 11 are formed between the fixed block 4 and the cold heading 5, the first oil holes 10 are communicated with the corresponding second oil holes 11, the lower die 1 is provided with a cavity 21, a thimble 15 is mounted in the cavity 21, in order to reduce friction generated by the downward pressing of the cold heading 5 and the cavity 21, the valve 8 on the oil pipe 7 can be opened, so that a proper amount of lubricating oil flows into the first oil holes 10 from the oil pipe 7, then the valve 8 is closed, and the lubricating oil, the lubricating oil flows out of the cold heading 5 along the second oil hole 11 to lubricate the cold heading 5 and reduce friction.
The two ends of the lower die 1 are provided with heat dissipation grooves 16, a plurality of reinforcing ribs 17 are welded in the heat dissipation grooves 16, a plurality of through holes 18 are arranged on the reinforcing ribs 17, the lower ends of the heat dissipation grooves 16 are connected with air inlet pipes 19, heat dissipation holes 20 are arranged above the heat dissipation grooves 16, the ejector pins 15 of the lower die 1 can eject the screw rod after cold heading molding, the lower mold 1 is provided with heat radiating grooves 16, which, in order to impose strength on the lower mold 1 against deformation, the heat dissipation groove 16 is internally provided with a strengthening rib 17, the lower part of the heat dissipation groove 16 is connected with an air inlet pipe 19, the other end of the air inlet pipe 19 is connected with external refrigeration air equipment, when in work, cold air can be blown into the heat dissipation groove 16 through the air inlet pipe 19 to dissipate heat of the lower die, the radiating holes 20 are formed above the radiating grooves 16, the radiated hot air is discharged from the radiating holes 20, and the plurality of through holes 18 are formed in the reinforcing ribs 17, so that the hot air can be discharged better. The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (3)
1. The cold heading grinding tool for the M5 straight-bar long screw with high straightness comprises a lower die (1) and an upper die (2) and is characterized in that a cushion pad (3) is welded in the upper die (2), a fixed block (4) is welded below the cushion pad (3), a cold heading head (5) is welded at one end, far away from the cushion pad (3), of the fixed block (4), oil grooves (6) are welded on two side walls above the upper die (2), an oil cover (12) is connected on the oil groove (6) in a rotating manner, pull rings (22) are welded above the oil cover (12), clamping blocks (13) are welded at one end of the oil cover (12), clamping grooves (14) are formed in one end above the oil groove (6), oil pipes (7) are connected below the oil groove (6), valves (8) are installed on the oil pipes (7), and connectors (9) are connected at one ends, far away from the oil grooves (6), of the oil pipes (7), go up and offer first oilhole (10) of two symmetries between mould (2) and fixed block (4), two second oilhole (11) have been seted up between fixed block (4) and the cold heading (5), die cavity (21) have been seted up in bed die (1), install thimble (15) in die cavity (21), radiating groove (16) have been seted up at bed die (1) both ends, all weld in radiating groove (16) has a plurality of strengthening rib (17), all seted up on strengthening rib (17) a plurality of through-hole (18), radiating groove (16) lower extreme all is connected with air-supply line (19), louvre (20) have all been seted up to radiating groove (16) top.
2. The high straightness M5 straight rod long screw cold heading mill according to claim 1, wherein an end of the connector (9) far away from the oil pipe (7) is welded on the upper die (2) shell.
3. The cold heading grinding tool for the M5 straight rod long screw rod with high straightness accuracy as claimed in claim 1, wherein the first oil hole (10) is communicated with the corresponding second oil hole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920538024.0U CN210098859U (en) | 2019-04-19 | 2019-04-19 | High-straightness M5 straight-bar long-screw cold heading grinding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920538024.0U CN210098859U (en) | 2019-04-19 | 2019-04-19 | High-straightness M5 straight-bar long-screw cold heading grinding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210098859U true CN210098859U (en) | 2020-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920538024.0U Active CN210098859U (en) | 2019-04-19 | 2019-04-19 | High-straightness M5 straight-bar long-screw cold heading grinding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210098859U (en) |
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2019
- 2019-04-19 CN CN201920538024.0U patent/CN210098859U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A High Straightness M5 Straight Rod Long Screw Cold Heading Grinding Tool Effective date of registration: 20230823 Granted publication date: 20200221 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Ningbo Yinzhou Branch Pledgor: NINGBO QIANCHENG PRECISION MACHINERY MANUFACTURING Co.,Ltd. Registration number: Y2023980053375 |