CN202357491U - Adjusting thread locking structure for sliding block - Google Patents
Adjusting thread locking structure for sliding block Download PDFInfo
- Publication number
- CN202357491U CN202357491U CN2011204924852U CN201120492485U CN202357491U CN 202357491 U CN202357491 U CN 202357491U CN 2011204924852 U CN2011204924852 U CN 2011204924852U CN 201120492485 U CN201120492485 U CN 201120492485U CN 202357491 U CN202357491 U CN 202357491U
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- piston
- adjusting screw
- screw
- adjusting
- fixedly connected
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- Expired - Fee Related
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Abstract
The utility model relates to an adjusting thread locking structure for a sliding block. The adjusting thread locking structure mainly comprises an adjusting screw, an adjusting screw sleeve, a piston, a stop pin, a connecting disk, the sliding block, a cavity, a high-pressure oil inlet and an oil-proof sealing ring. By the fixed connection of the stop pin and the piston and the two-stage cylinder sealing of the piston and the adjusting screw sleeve, interval vibration and friction of internal and external threads are reduced, and the precision of the adjusting thread locking structure is ensured. The adjusting thread locking structure has the advantages of reasonable structure, precision system, long service life, stability in product operation, good economic benefit, safety and reliability in operation, and the like.
Description
Technical field
The utility model relates to the slide block of a kind of punch press, forcing press die height adjustment usefulness and regulates the screw-threaded coupling structure, belongs to mechanical field.
Background technology
Punch press is in the forcing press mold closing course of work, because in slide block movement; Screw rod and swivel nut spacing are excessive; Rotate thereby cause between Adjusting bolt Adjusting screw and the piston, the wearing and tearing of aggravation sealing ring, the time has been grown later meeting leakage of oil; The working life of influence machinery also has certain influence, brings very big inconvenience to work.
The utility model content
To above-mentioned deficiency, the utility model provides a kind of slide block to regulate the screw-threaded coupling structure.
The utility model is realized through following organization plan: a kind of slide block is regulated the screw-threaded coupling structure, mainly is made up of adjusting screw(rod), Adjusting bolt Adjusting screw, piston, latch, terminal pad, slide block, cavity, hydraulic oil import and oil resistant sealing ring.Wherein, The inner chamber of Adjusting bolt Adjusting screw is designed with large and small two internal diameters; Adjusting screw(rod) and piston also are designed with large and small two external diameters respectively, and plunger designs is the hollow structure with inner chamber, and the internal thread in the external screw thread of the big external diameter of adjusting screw(rod) and Adjusting bolt Adjusting screw are little on wall screws screwed connection; The internal thread of the external screw thread of the terminal little external diameter of adjusting screw(rod) and the hollow wall of piston screws screwed connection; Latch is fixedly connected with piston base, and the draw-in groove of two outer walls of piston size is fixedly connected with the screens of oil resistant sealing ring, being dynamically connected for two-stage piston/cylinder sealed sliding of the large and small outer wall of piston and the large and small internal diameter of Adjusting bolt Adjusting screw; The cavity that forms in hydraulic oil import and piston and the Adjusting bolt Adjusting screw inwall sliding stroke is that circulating oil path is connected; Piston is fixedly connected with terminal pad, and Adjusting bolt Adjusting screw is fixedly connected with terminal pad, and terminal pad is fixedly connected with slide block.
Operation principle: the pressure of punch press and forcing press conducts to adjusting screw(rod), spins together owing to have the Adjusting bolt Adjusting screw of internal thread and have the external screw thread adjusting screw(rod).When external force is conducted to adjusting screw(rod); Adjusting screw(rod) rotates along the internal thread of Adjusting bolt Adjusting screw and plunger shaft inwall; Because latch both was fixedly connected with piston, was fixedly connected with terminal pad again, so when piston receives downward pressure, do not rotate; Piston and Adjusting bolt Adjusting screw are static relatively, are not moved.But because the high frequency enormous impact power of punch press and forcing press can cause vibration to the flight pitch of adjusting screw(rod) and piston and Adjusting bolt Adjusting screw.Each vibration all can be decomposed into downforce and the stress that makes progress; Downforce can let piston slide along the Adjusting bolt Adjusting screw inwall and produce small slip downwards; Owing to piston/cylinder structure and sealing reason must produce cavity, cavity inside negative pressure will occur and suck hydraulic oil, meanwhile; Negative pressure and cavity can produce upwards bounce elimination cavity with the stress that makes progress, and lets air pressure return zero.The phenomenon of cavity and zero-pressure and negative pressure will frequently appear in frequent vibration; Because the reaction force that negative pressure and cavity forms is a kind of reverse flexible elastic force; This flexible elastic force can reduce vibration of internal and external threads spacing and friction; Guarantee the accuracy of native system structure, can alleviate the axial skew inclination angle of piston that the excesssive gap of screw thread causes 3.Because the pitch of big minor thread is consistent, piston 3 is decided to be connected the wearing and tearing that oil resistant sealing ring 9 is also avoided in design with Adjusting bolt Adjusting screw solid 2, makes hydraulic locking effective for a long time, can adorn mould under the slide block and be used for work.
The beneficial effect of the utility model: the utlity model has rational in infrastructure, characteristics such as system is accurate, long service life, product are stable, good in economic efficiency, safe and reliable to operation.
Description of drawings
Fig. 1 is the correcting structural profile sketch map of high-speed blanking press slide block.
Wherein: 1, adjusting screw(rod), 2, Adjusting bolt Adjusting screw, 3, piston, 4, latch, 5, terminal pad, 6, slide block, 7, cavity, 8, the hydraulic oil import, 9, the oil resistant sealing ring.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further:
As shown in Figure 1, a kind of slide block is regulated the screw-threaded coupling structure, mainly is made up of adjusting screw(rod) 1, Adjusting bolt Adjusting screw 2, piston 3, latch 4, terminal pad 5, slide block 6, cavity 7, hydraulic oil import 8 and oil resistant sealing ring 9.Wherein, The inner chamber of Adjusting bolt Adjusting screw 2 is designed with large and small two internal diameters; Adjusting screw(rod) 1 also is designed with large and small two external diameters respectively with piston 3, and piston 1 is designed to have the hollow structure of inner chamber, and the external screw thread of adjusting screw(rod) 1 big external diameter and Adjusting bolt Adjusting screw 2 little interior internal threads on wall screw screwed connection; The internal thread of the external screw thread of adjusting screw(rod) 1 terminal little external diameter and the hollow wall of piston 3 screws screwed connection; Latch 4 is fixedly connected with piston 3 bottoms, and the draw-in groove of two outer walls of piston 3 size is fixedly connected with 9 screens of oil resistant sealing ring, being dynamically connected for two-stage piston 1 cylinder body sealed sliding of the large and small outer wall of piston 3 and the large and small internal diameter of Adjusting bolt Adjusting screw 2; The cavity 7 that produces in hydraulic oil import 8 and piston 3 and the Adjusting bolt Adjusting screw 2 inwall sliding strokes is connected for circulating oil path; Piston 3 is fixedly connected with terminal pad 5, and Adjusting bolt Adjusting screw 2 is fixedly connected with terminal pad 5, and terminal pad 5 is fixedly connected with slide block 6.
Operation principle: the pressure of punch press and forcing press conducts to adjusting screw(rod) 1, spins together owing to have the Adjusting bolt Adjusting screw 2 of internal thread and have external screw thread adjusting screw(rod) 1.When external force is conducted to adjusting screw(rod) 1; Adjusting screw(rod) 1 rotates along the internal thread of Adjusting bolt Adjusting screw 2 and piston 3 cavity walls; Because latch 4 both was fixedly connected with piston 3, latch 4 is fixedly connected with terminal pad 5 again, so when piston 3 receives downward pressure, do not rotate; Piston 3 is static relatively with Adjusting bolt Adjusting screw 2, is not moved.But because the high frequency enormous impact power of punch press and forcing press can cause vibration to the flight pitch of adjusting screw(rod) 1 and piston 3 and Adjusting bolt Adjusting screw 2.Each vibration all can be decomposed into downforce and the stress that makes progress; Downforce can let piston 3 slide along Adjusting bolt Adjusting screw 2 inwalls and produce small slip downwards; Because piston 1 cylinder body sealing can produce cavity 7 surely, cavity 7 inside negative pressure will occur and suck hydraulic oil, meanwhile; Cavity 7 negative pressure and stress can produce upwards bounce elimination cavity 7, let air pressure return zero.The phenomenon of cavity 7 and zero-pressure and negative pressure will frequently appear in frequent vibration; Because the reaction force that cavity 7 negative pressure form is a kind of reverse flexible elastic force; This flexible elastic force can reduce vibration of internal and external threads spacing and friction; Guarantee the accuracy of native system structure, can alleviate the axial skew inclination angle of piston that the excesssive gap of screw thread causes 3.Because the pitch of big minor thread is consistent, piston 3 is decided to be connected the wearing and tearing that oil resistant sealing ring 9 is also avoided in design with Adjusting bolt Adjusting screw solid 2, makes hydraulic locking effective for a long time, can adorn mould under the slide block and be used for work.
The beneficial effect of the utility model: the utlity model has rational in infrastructure, advantage such as system is accurate, long service life, product are stable, good in economic efficiency, safe and reliable to operation.
Claims (1)
1. a slide block is regulated the screw-threaded coupling structure; Mainly form by adjusting screw(rod), Adjusting bolt Adjusting screw, piston, latch, terminal pad, slide block, cavity, hydraulic oil import and oil resistant sealing ring; It is characterized in that the inner chamber of Adjusting bolt Adjusting screw is designed with large and small two internal diameters, adjusting screw(rod) and piston also are designed with large and small two external diameters respectively; Plunger designs is the hollow structure with inner chamber; Internal thread in the external screw thread of the big external diameter of adjusting screw(rod) and Adjusting bolt Adjusting screw are little on wall screws screwed connection, and the internal thread of the external screw thread of the terminal little external diameter of adjusting screw(rod) and the hollow wall of piston screws screwed connection, and latch is fixedly connected with piston base; The draw-in groove of two outer walls of piston size is fixedly connected with the screens of oil resistant sealing ring; The cavity that forms in being dynamically connected for two-stage piston/cylinder sealed sliding of the large and small outer wall of piston and the large and small internal diameter of Adjusting bolt Adjusting screw, hydraulic oil import and piston and Adjusting bolt Adjusting screw inwall sliding stroke is that circulating oil path is connected, and piston is fixedly connected with terminal pad; Adjusting bolt Adjusting screw is fixedly connected with terminal pad, and terminal pad is fixedly connected with slide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204924852U CN202357491U (en) | 2011-12-01 | 2011-12-01 | Adjusting thread locking structure for sliding block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204924852U CN202357491U (en) | 2011-12-01 | 2011-12-01 | Adjusting thread locking structure for sliding block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202357491U true CN202357491U (en) | 2012-08-01 |
Family
ID=46568704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204924852U Expired - Fee Related CN202357491U (en) | 2011-12-01 | 2011-12-01 | Adjusting thread locking structure for sliding block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202357491U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102398377A (en) * | 2011-12-01 | 2012-04-04 | 山东金箭精密机器有限公司 | Sliding block adjusting and thread locking structure |
-
2011
- 2011-12-01 CN CN2011204924852U patent/CN202357491U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102398377A (en) * | 2011-12-01 | 2012-04-04 | 山东金箭精密机器有限公司 | Sliding block adjusting and thread locking structure |
| CN102398377B (en) * | 2011-12-01 | 2015-01-28 | 山东金箭精密机器有限公司 | Sliding block adjusting and thread locking structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20120801 Termination date: 20191201 |