CN212192835U - Nut hold-down mechanism - Google Patents
Nut hold-down mechanism Download PDFInfo
- Publication number
- CN212192835U CN212192835U CN202020698845.3U CN202020698845U CN212192835U CN 212192835 U CN212192835 U CN 212192835U CN 202020698845 U CN202020698845 U CN 202020698845U CN 212192835 U CN212192835 U CN 212192835U
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- China
- Prior art keywords
- bevel gear
- screw
- mounting box
- nut
- rotating
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 title claims abstract description 39
- 238000005192 partition Methods 0.000 claims abstract description 7
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The utility model discloses a nut pressing mechanism, which comprises a mounting bracket, a first fixing nut and a second pressing screw, wherein the bracket comprises two side plates and a top plate, the upper end of the top plate is provided with a mounting box, the first fixing nut is welded at the bottom of the mounting box, the second pressing screw is vertically arranged and is in threaded connection with the first fixing nut, the top walls of the top plate and the mounting box are provided with screw passing holes, a first screw driving mechanism is arranged in the mounting box and comprises a first bevel gear, a second bevel gear and a rotating component, a partition plate is arranged in the mounting box, one bevel gear is rotatably connected with the upper end of the partition plate, a second fixing nut is fixed in the middle of the first bevel gear, the second fixing nut is positioned right above the first fixing nut, the second pressing screw is in threaded connection with the second fixing nut, the second bevel gear is vertically arranged above the first bevel gear, the first bevel gear and the second bevel gear are meshed.
Description
Technical Field
The utility model relates to a closing device technical field especially relates to a nut hold-down mechanism.
Background
Before a workpiece is machined, the workpiece is often positioned or fixed by using a clamp, a pressing mechanism on the market is driven by hydraulic pressure or air pressure, a plurality of mechanical parts are provided, the manufacturing cost is high, and the workpiece pressing mechanism is not suitable for pressing small workpieces. In addition, part of the pressing mechanisms adopt bolts to press the workpiece, but the height position of the bolts needs to be adjusted before pressing is used for placing the workpiece below the workpiece, and the adjusting rotating rods for adjusting the height of the bolts and fastening the workpiece by the bolts are the same rotating rod in the prior art, so that the speed of the bolts is low when the heights are adjusted, and the workpiece clamping time is long, so that the processing efficiency of the workpiece is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a nut hold-down mechanism can enough adjust the height of bolt fast, and it is firm to guarantee again that the work piece clamping.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a nut hold-down mechanism, includes the workstation, is fixed in installing support, fixation nut one and the screw rod that pushes down of workstation upper end, its characterized in that: the support comprises two side plates and a top plate, the upper end of the top plate is provided with a mounting box, a first fixing nut is welded at the bottom of the mounting box, a first pressing screw rod is vertically arranged and in threaded connection with the first fixing nut, the top walls of the top plate and the mounting box are provided with screw rod through holes, the upper end and the lower end of the pressing screw rod respectively penetrate through the screw rod through holes on the top plate and the mounting box, a first screw rod driving mechanism is arranged in the mounting box and comprises a first bevel gear, a second bevel gear and a rotating assembly, a partition plate is arranged in the mounting box, one bevel gear is rotatably connected to the upper end of the partition plate, a second fixing nut is fixed in the middle of the first bevel gear, the second fixing nut is positioned right above the first fixing nut, the pressing screw rod is in threaded connection with the second fixing nut, and the second bevel gear is, the first bevel gear is meshed with the second bevel gear, one end, close to the second bevel gear, of the rotating assembly is fixedly connected with the second bevel gear, one end, far away from the second bevel gear, of the rotating assembly is located outside the mounting box, and a second screw driving mechanism is arranged at the top end of the pressing screw.
Through the technical scheme, when the height position of the screw rod is adjusted before the workpiece is placed into the workpiece, the rotating handle in the first screw driving mechanism can be rotated, so that the first screw driving mechanism drives the pressing screw rod to perform quick upper and lower position adjustment, and when the workpiece needs to be pressed by the worker, the pressing screw rod can be pressed by the second screw driving mechanism to compress the workpiece, so that the clamping time can be shortened, and meanwhile, the workpiece can be well compressed.
The utility model discloses still further set up to: the second screw rod driving mechanism comprises a rotary seat and a connecting rod, the rotary seat is fixedly connected to the top end of the downward pressing screw rod, and one end, close to the rotary seat, of the connecting rod is horizontally arranged and is fixedly connected to the outer wall of the rotary seat.
Through above-mentioned technical scheme, the staff can drive down the screw rod through the manual rotatory connecting rod and rotate, compares in first screw rod actuating mechanism can be better messenger's power when compressing tightly the work piece to guarantee that the work piece can press and compress tightly.
The utility model discloses still further set up to: an insertion groove is formed in one end, far away from the rotating seat, of the connection, and an extension rod is arranged in the insertion groove.
Through above-mentioned technical scheme, the extension rod can further increase moment length, makes the staff more laborsaving when rotatory connecting rod, also can press the work piece tighter in addition.
The utility model discloses still further set up to: and a plurality of reinforcing blocks are arranged on the outer wall of the connecting rod close to the insertion groove.
Through above-mentioned technical scheme, the boss can strengthen the intensity of connecting rod outer wall, and the staff can produce very big effort at the connecting rod inner wall in the one end that the extension bar emboliaed the connecting rod when rotatory extension bar, and the boss can prevent that local atress is too big and cause the damage to the connecting rod.
The utility model discloses still further set up to: the rotating assembly comprises a rotating connecting rod and a rotating handle, one end of the rotating connecting rod is fixed in the middle of the second bevel gear, the rotating connecting rod penetrates through the outer wall of the mounting box and is in rotary connection with the outer wall of the mounting box, and the rotating handle is fixedly connected to one end, far away from the second bevel gear, of the rotating connecting rod.
Through the technical scheme, the worker can rotate the rotating connecting rod and the bevel gear II through manually rotating the rotating handle.
The utility model discloses still further set up to: the part of the rotating handle far away from the rotating connecting rod is sleeved with a rubber sleeve.
Through above-mentioned technical scheme, the rubber sleeve can play the antiskid effect, also enables the staff more comfortable when rotatory rotation hand (hold) simultaneously.
The utility model discloses still further set up to: the inner walls of the two side plates are provided with sliding grooves in the vertical direction, sliding rods are arranged on two sides of the portion, close to the lower end, of the downward pressing screw rod, one end of each sliding rod is fixed to the outer wall of the downward pressing screw rod, and one end, far away from the downward pressing screw rod, of each sliding rod is connected into the corresponding sliding groove in a sliding mode.
Through above-mentioned technical scheme, the slide bar of pushing down the screw rod both sides can slide in the spout when carrying out upper and lower position control to make the screw rod that pushes down more stable when reciprocating, can not rock about.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is the internal structure schematic diagram of the mounting box of the present invention.
The reference numbers in the figures mean: 1. a work table; 2. mounting a bracket; 3. a side plate; 4. a top plate; 5. mounting a box; 6. fixing a nut; 7. pressing the screw rod downwards; 8. a first screw drive mechanism; 9. a first bevel gear; 10. a second bevel gear; 11. a rotating assembly; 12. a partition plate; 13. fixing a second nut; 14. a second screw drive mechanism; 15. a rotating base; 16. a connecting rod; 17. an extension pole; 18. a reinforcing block; 19. rotating the connecting rod; 20. rotating the handle; 21. a rubber sleeve; 22. a chute; 23. a slide bar.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
The present invention will be described below with reference to fig. 1 to 2.
The utility model provides a nut hold-down mechanism, comprises a workbench, 1 is fixed in installing support 2 of workstation upper end, 6 one and the screw rod 7 that pushes down of fixation nut, the support includes two curb plates 3 and roof 4, the upper end of roof 4 is provided with mounting box 5, 6 one welding of fixation nut is in the bottom of mounting box 5, 7 vertical settings of screw rod and threaded connection push down in 6 one of fixation nut, the screw rod clearing hole has been seted up to roof 4 and mounting box 5's roof, the upper and lower both ends of screw rod 7 run through the screw rod clearing hole on roof 4 and the mounting box 5 respectively, the lower extreme of screw rod 7 is provided with presses the briquetting down, it can be in 6 one adjusting position height of fixation nut to push down screw rod 7, thereby make its lower extreme press the briquetting press the work piece.
The inner walls of the two side plates 3 are provided with sliding grooves 22 in the vertical direction, two sides of the part, close to the lower end, of the pressing screw 7 are provided with sliding rods 23, one end of each sliding rod 23 is fixed on the outer wall of the corresponding pressing screw 7, and one end, far away from the corresponding pressing screw 7, of each sliding rod 23 is connected into the corresponding sliding groove 22 in a sliding mode. When the up-and-down position of the pressing screw 7 is adjusted, the sliding rods 23 on the two sides can slide in the sliding grooves 22, so that the pressing screw 7 is more stable when moving up and down and cannot sway left and right.
Be provided with first screw rod actuating mechanism 8 in the mounting box 5, first screw rod actuating mechanism 8 includes bevel gear 9, bevel gear two 10 and runner assembly 11, be provided with baffle 12 in the mounting box 5, bevel gear 9 rotates to be connected in the upper end of baffle 12, there is fixing nut 6 two bevel gear 9 centre through welded fastening, fixing nut 6 is two and is located fixing nut 6 directly over and pushes down screw 7 threaded connection in fixing nut 6 two, bevel gear two 10 vertically sets up in the top of bevel gear one 9, the left end of bevel gear one 9 and the lower tip phase meshing of bevel gear two 10, can drive fixing nut 6 two in bevel gear 9 and the bevel gear 9 together to rotate through drive bevel gear two 10 rotations.
One end that runner assembly 11 is close to two bevel gears 10 and two bevel gears 10 fixed connection, the one end that runner assembly 11 keeps away from two bevel gears 10 is located outside mounting box 5, runner assembly 11 is including rotating connecting rod 19 and rotation hand (hold) 20, the one end fixed connection of rotating connecting rod 19 is in the intermediate position of two bevel gears 10, rotating connecting rod 19 runs through the outer wall of mounting box 5 and with the outer wall swivelling joint of mounting box 5, rotate hand (hold) 20 fixed connection in the one end that two bevel gears 10 were kept away from to rotation connecting rod 19, the staff can rotate connecting rod 19 and two bevel gears 10 through manual rotatory rotation hand (hold) 20 messenger and rotate. The part of the rotating handle 20 far away from the rotating connecting rod 19 is sleeved with a rubber sleeve 21, and the rubber sleeve 21 can play a role in skid resistance and also can make a worker feel more comfortable when rotating the rotating handle 20.
The top of pushing down screw 7 is provided with second screw drive mechanism 14, second screw drive mechanism 14 includes roating seat 15 and connecting rod 16, 15 fixed connection of roating seat in the top of pushing down screw 7, the one end fixed connection that the connecting rod 16 level set up and is close to roating seat 15 is in the outer wall of roating seat 15, the staff can drive pushing down screw 7 through manual rotatory connecting rod 16 and rotate, compare in first screw drive mechanism 8 can be better messenger's power when compressing tightly the work piece, thereby guarantee that the work piece can press and compress tightly. An insertion groove is formed in one end, far away from the rotating seat 15, of the connecting rod, an extension rod 17 is arranged in the insertion groove, the length of the moment can be further increased through the extension rod 17, the labor is saved when the connecting rod 16 is rotated by workers, and in addition, the workpieces can be pressed more tightly. The position that the outer wall of connecting rod 16 is close to the inserting groove is provided with a plurality of bosses 18, and boss 18 can strengthen the intensity of connecting rod 16 outer wall, and the staff can produce very big effort at the connecting rod 16 inner wall in the one end that extension rod 17 emboliaed connecting rod 16 when rotatory extension rod 17, and boss 18 can prevent that local atress is too big and cause the damage to connecting rod 16.
When the worker adjusts the height position of the screw rod before putting the workpiece in, the rotating handle 20 in the first screw driving mechanism 8 can be rotated, so that the first screw driving mechanism 8 drives the pressing screw rod 7 to perform quick up-and-down position adjustment, and when the worker needs to press the workpiece, the extension rod 17 in the second screw driving mechanism 14 can be rotated to enable the pressing screw rod 7 to compress the workpiece.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations of the above assumption should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a nut hold-down mechanism, includes the workstation, (1) is fixed in installing support (2), fixation nut (6) one and the screw rod (7) of pushing down of workstation upper end, its characterized in that: the support comprises two side plates (3) and a top plate (4), the upper end of the top plate (4) is provided with a mounting box (5), a first fixing nut (6) is welded at the bottom of the mounting box (5), a lower pressing screw (7) is vertically arranged and is in threaded connection with the first fixing nut (6), the top walls of the top plate (4) and the mounting box (5) are provided with screw through holes, the upper end and the lower end of the lower pressing screw (7) respectively penetrate through the screw through holes on the top plate (4) and the mounting box (5), a first screw driving mechanism (8) is arranged in the mounting box (5), the first screw driving mechanism (8) comprises a first bevel gear (9), a second bevel gear (10) and a rotating assembly (11), a partition plate (12) is arranged in the mounting box (5), and the first bevel gear (9) is rotatably connected to the upper end of the partition plate (12), the middle of the first bevel gear (9) is fixed with a second fixing nut (6), the two positions of the first fixing nut (6) are right above the first fixing nut (6), the lower pressing screw (7) is connected with the two positions of the second fixing nut (6) in a threaded mode, the second bevel gear (10) is vertically arranged above the first bevel gear (9), the first bevel gear (9) is meshed with the second bevel gear (10), one end, close to the second bevel gear (10), of the rotating assembly (11) is fixedly connected with the second bevel gear (10), one end, far away from the second bevel gear (10), of the rotating assembly (11) is located outside the mounting box (5), and the top end of the lower pressing screw (7) is provided with a second screw driving mechanism (14).
2. The nut pressing mechanism according to claim 1, wherein: second screw rod actuating mechanism (14) include roating seat (15) and connecting rod (16), roating seat (15) fixed connection is in the top of pushing down screw rod (7), connecting rod (16) level sets up and is close to the one end fixed connection of roating seat (15) in the outer wall of roating seat (15).
3. The nut pressing mechanism according to claim 2, wherein: an insertion groove is formed in one end, far away from the rotating seat (15), of the connection, and an extension rod (17) is arranged in the insertion groove.
4. A nut pressing mechanism according to claim 3, wherein: and a plurality of reinforcing blocks (18) are arranged on the outer wall of the connecting rod (16) close to the insertion groove.
5. The nut pressing mechanism according to claim 1, wherein: the rotating assembly (11) comprises a rotating connecting rod (19) and a rotating handle (20), one end of the rotating connecting rod (19) is fixed at the middle position of the second bevel gear (10), the rotating connecting rod (19) penetrates through the outer wall of the mounting box (5) and is in rotating connection with the outer wall of the mounting box (5), and the rotating handle (20) is fixedly connected to one end, far away from the second bevel gear (10), of the rotating connecting rod (19).
6. The nut pressing mechanism according to claim 5, wherein: the part of the rotating handle (20) far away from the rotating connecting rod (19) is sleeved with a rubber sleeve (21).
7. The nut pressing mechanism according to claim 1, wherein: the inner wall of the two side plates (3) is provided with a sliding groove (22) in the vertical direction, two sides of the part, close to the lower end, of the pressing screw (7) are provided with sliding rods (23), one end of each sliding rod (23) is fixed to the outer wall of the corresponding pressing screw (7), and one end, far away from the pressing screw (7), of each sliding rod (23) is connected into the sliding groove (22) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020698845.3U CN212192835U (en) | 2020-04-30 | 2020-04-30 | Nut hold-down mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020698845.3U CN212192835U (en) | 2020-04-30 | 2020-04-30 | Nut hold-down mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212192835U true CN212192835U (en) | 2020-12-22 |
Family
ID=73830468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020698845.3U Expired - Fee Related CN212192835U (en) | 2020-04-30 | 2020-04-30 | Nut hold-down mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212192835U (en) |
-
2020
- 2020-04-30 CN CN202020698845.3U patent/CN212192835U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |