CN201500901U - Hold-down mechanism - Google Patents
Hold-down mechanism Download PDFInfo
- Publication number
- CN201500901U CN201500901U CN2009202358010U CN200920235801U CN201500901U CN 201500901 U CN201500901 U CN 201500901U CN 2009202358010 U CN2009202358010 U CN 2009202358010U CN 200920235801 U CN200920235801 U CN 200920235801U CN 201500901 U CN201500901 U CN 201500901U
- Authority
- CN
- China
- Prior art keywords
- cam
- main body
- contiguous block
- hold
- body contiguous
- Prior art date
- 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 - Lifetime
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Abstract
The utility model discloses a hold-down mechanism which has convenient operation and can stably compress a workpiece. The hold-down mechanism comprises a main body connecting block which is provided with a cam connecting groove that is internally provided with a cam; the cam is articulated on the main body connecting block and is connected with an operating handle used for rotating the cam; the main body connecting block arranged at the left side and the right side of the cam connecting groove is respectively penetrated with a support post along the vertical direction; the upper end of each support post is connected with a check block; the lower ends of the two support posts are both connected with a press block arranged under the main body connecting block; each support post is externally sheathed with an offsetting spring which is arranged between the check block and the main body connecting block; and the main body connecting block is connected with a connecting frame used for leading the main body connecting block to be connected on a working platform.
Description
Technical field
The utility model relates to a kind of hold-down mechanism, the hold-down mechanism of workpiece pressing when relating in particular to processing work.
Background technology
On bench drill, process finding, when particularly processing the thin slice finding, must apply a power at the working position edge, make workpiece fixed-site in process, avoid workpiece play in the process, to guarantee machining accuracy with workpiece pressing.
The utility model content
Technical problem to be solved in the utility model provides a kind of easy to operate, can be with the stable hold-down mechanism that compresses of workpiece.
The utility model comprises a main body contiguous block, and a cam link slot is set on the main body contiguous block; Arrange a cam in the cam link slot, cam is hinged and connected on the main body contiguous block; Connection one is used for the lever of rotating cam on cam; On the main body contiguous block of cam link slot and arranged on left and right sides, vertically place a pillar respectively; Connect a block in the upper end of every pillar; The lower end of two pillars all interconnects with the briquetting that is arranged in main body contiguous block below; At every pillar overcoat one back-moving spring; Back-moving spring is arranged between block and the main body contiguous block; On the main body contiguous block, connect and be used for the main body contiguous block is connected link on the workbench.
Hold-down mechanism in the utility model is connected on the workbench by means of link.Before boring processing, workpiece to be processed is placed on the workbench, the downward power that applies on lever makes cam rotate, and the rotation of cam moves downward briquetting, and until with Work-sheet pressing, this moment, back-moving spring was in compressive state.After the completion of processing, the power that is applied on the lever is cancelled, lifted lever, the cam backward rotation, under the back stretch effect of back-moving spring, pillar drives briquetting and moves up.Hold-down mechanism in the utility model is easy to operate, workpiece stably can be compressed, and has avoided workpiece play in the process, has guaranteed machining accuracy.
Preferably, described link comprises two linking arms, and above-mentioned two linking arms are connected to the and arranged on left and right sides of main body contiguous block; Each linking arm comprises a horizontal linking arm and a set bolt; Described set bolt vertically is set on the horizontal linking arm, two adjusting nuts that on set bolt, are threaded, and described two adjusting nuts are arranged in the above and below of horizontal linking arm.
Can regulate the height of main body contiguous block according to the thickness of workpiece by means of above-mentioned linking arm with respect to workbench.Locking is to be positioned at the main body contiguous block certain height between two adjusting nuts and the horizontal linking arm.Two adjusting nuts are unclamped to regulate the height of main body contiguous block with respect to workbench.
Preferably, the lower end of set bolt connects a fixed block, and a locking nut is threaded on set bolt.
Described fixed block and locking nut cooperatively interact and linking arm can be connected on the workbench.Fixed block places the link slot that is arranged on the workbench, determines behind the position by locking nut fixed-site.
Preferably, described fixed block is a T shape piece.
Can fixed block be designed to T shape piece according to the T-slot that is provided with on the workbench.
Preferably, on described each horizontal linking arm a mounting hole is set, described each set bolt is set on the corresponding mounting hole.
Because two set bolts are set on the mounting hole respectively, so can regulate two distances between the set bolt.
Preferably, connect two cam dogs on the leading flank of main body contiguous block, two cam dogs are arranged in the and arranged on left and right sides of cam link slot symmetrically; Be provided with one on each cam dog and place through hole; The end thread away from cam that places through hole connects a pointless screw, and a steel ball is arranged in the other end, arranges a spring between described pointless screw and the steel ball; Each steel ball is against on the corresponding side surface of cam; On the two sides of cam, arrange the depressed part that several can be connected with steel ball respectively; Above-mentioned several depressed parts are on the same circumference, and circumference is the center of circle with the pivot of cam.
Said mechanism can be with cam orientation in certain position, and the steel ball that is arranged in the cam both sides is connected in the depressed part of flank of cam.
Figure of description
Fig. 1 is the structural representation of hold-down mechanism;
Fig. 2 is the vertical view that is connected with the main body contiguous block of linking arm in the hold-down mechanism;
Fig. 3 is the syndeton schematic diagram between cam dog and the cam;
Fig. 4 is the side view of cam.
The specific embodiment
As shown in Figure 1, the hold-down mechanism in the present embodiment comprises a main body contiguous block 1, and a cam link slot 1-1 is set on main body contiguous block 1.Arrange a cam 2 among the cam link slot 1-1, cam 2 is hinged and connected on the main body contiguous block 1.Connection one is used for the lever 3 of rotating cam on cam 2.
On the main body contiguous block 1 of cam link slot 1-1 and arranged on left and right sides, vertically place first pillar 4 and second pillar 5 separately.Be connected first block 6 and second block 7 separately in the upper end of first pillar 4 and the upper end of second pillar 5; The lower end of the lower end of first pillar 4 and second pillar 5 all interconnects with the briquetting 8 that is arranged in main body contiguous block 1 below.Outside first pillar 4 and second pillar 5, overlap first back-moving spring 9 and second back-moving spring 10 separately.Described first back-moving spring 9 is arranged between first block 6 and the main body contiguous block 1; Second back-moving spring 10 is arranged between second block 7 and the main body contiguous block 1.
On main body contiguous block 1, connect and be used for main body contiguous block 1 is connected link 11 on the workbench.Described link 11 comprises the first linking arm 11-1 and the second linking arm 11-2, and above-mentioned two linking arms are connected to the and arranged on left and right sides of main body contiguous block 1.The structure of described two linking arms is identical, is example with the first linking arm 11-1, and it comprises horizontal linking arm 11-1-1 and set bolt 11-1-2.Described set bolt 11-1-2 vertically is set on the horizontal linking arm 11-1-1, be threaded on set bolt 11-1-2 two adjusting nut 11-1-3 and 11-1-4, described two adjusting nut 11-1-3 and 11-1-4 are arranged in the above and below of horizontal linking arm 11-1-1.The lower end of set bolt 11-1-2 is connected and fixed piece 11-1-5, and locking nut 11-1-6 is threaded on set bolt 11-1-2.Fixed block 11-1-5 and locking nut 11-1-6 cooperatively interact so that linking arm 11-1 is connected on the workbench.Preferably, said fixing piece 11-1-5 is a T shape piece, is threaded between fixed block 11-1-5 and the set bolt 11-1-2.In addition, can laterally on the linking arm 11-1-1 mounting hole 11-1-7 be set, set bolt 11-1-2 is set on the mounting hole 11-1-7.
As shown in Figure 2, connect two cam dogs 12 on the leading flank of main body contiguous block 1, above-mentioned two cam dogs 12 are arranged in the and arranged on left and right sides of cam link slot 1-1 symmetrically.Be provided with one on each cam dog 12 and place through hole 12-1.
As shown in Figure 3, the end thread away from cam 2 that places through hole 12-1 connects a pointless screw 13, and a steel ball 14 is arranged in the other end, arranges a spring 15 between described pointless screw 13 and the steel ball 14.Each steel ball 14 is against on the corresponding side surface of cam 2.The described pointless screw 13 flush end holding screw of preferably slotting.
As shown in Figure 4, on a side of cam 2, arrange three depressed parts 16 that can be connected with steel ball 14.Above-mentioned three depressed parts 16 are on the same circumference 17, and circumference 17 is the center of circle with the pivot of cam 2.
Claims (7)
1. a hold-down mechanism is characterized in that: comprise a main body contiguous block, a cam link slot is set on the main body contiguous block; Arrange a cam in the cam link slot, cam is hinged and connected on the main body contiguous block; Connection one is used for the lever of rotating cam on cam; On the main body contiguous block of cam link slot and arranged on left and right sides, vertically place a pillar respectively; Connect a block in the upper end of every pillar; The lower end of two pillars all interconnects with the briquetting that is arranged in main body contiguous block below; At every pillar overcoat one back-moving spring; Back-moving spring is arranged between block and the main body contiguous block; On the main body contiguous block, connect and be used for the main body contiguous block is connected link on the workbench.
2. hold-down mechanism according to claim 1 is characterized in that: described link comprises two linking arms, and above-mentioned two linking arms are connected to the and arranged on left and right sides of main body contiguous block.
3. hold-down mechanism according to claim 2 is characterized in that: each linking arm comprises a horizontal linking arm and a set bolt; Described set bolt vertically is set on the horizontal linking arm, two adjusting nuts that on set bolt, are threaded, and described two adjusting nuts are arranged in the above and below of horizontal linking arm.
4. hold-down mechanism according to claim 3 is characterized in that: the lower end of the set bolt fixed block that is threaded, a locking nut is threaded on set bolt.
5. hold-down mechanism according to claim 4 is characterized in that: described fixed block is a T shape piece.
6. according to claim 3 or 4 described hold-down mechanisms, it is characterized in that: on described each horizontal linking arm a mounting hole is set, described each set bolt is set on the corresponding mounting hole.
7. hold-down mechanism according to claim 1 is characterized in that: connect two cam dogs on the leading flank of main body contiguous block, two cam dogs are arranged in the and arranged on left and right sides of cam link slot symmetrically; Be provided with one on each cam dog and place through hole; The end thread away from cam that places through hole connects a pointless screw, and a steel ball is arranged in the other end, arranges a spring between described pointless screw and the steel ball; Each steel ball is against on the corresponding side surface of cam; On the two sides of cam, arrange the depressed part that several can be connected with steel ball respectively; Above-mentioned several depressed parts are on the same circumference, and circumference is the center of circle with the pivot of cam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202358010U CN201500901U (en) | 2009-09-23 | 2009-09-23 | Hold-down mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202358010U CN201500901U (en) | 2009-09-23 | 2009-09-23 | Hold-down mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201500901U true CN201500901U (en) | 2010-06-09 |
Family
ID=42451842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202358010U Expired - Lifetime CN201500901U (en) | 2009-09-23 | 2009-09-23 | Hold-down mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201500901U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101704197B (en) * | 2009-09-23 | 2011-08-31 | 吴江市双精轴承有限公司 | Pressing mechanism |
| CN103481080A (en) * | 2013-10-10 | 2014-01-01 | 柳州明宇机械有限公司 | Connecting rod big-end hole turning clamp |
| CN104369010A (en) * | 2013-08-13 | 2015-02-25 | 珠海格力电器股份有限公司 | Clamping device |
-
2009
- 2009-09-23 CN CN2009202358010U patent/CN201500901U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101704197B (en) * | 2009-09-23 | 2011-08-31 | 吴江市双精轴承有限公司 | Pressing mechanism |
| CN104369010A (en) * | 2013-08-13 | 2015-02-25 | 珠海格力电器股份有限公司 | Clamping device |
| CN103481080A (en) * | 2013-10-10 | 2014-01-01 | 柳州明宇机械有限公司 | Connecting rod big-end hole turning clamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100609 Effective date of abandoning: 20090923 |