CN202114497U - Lever type bench drill pressure plate - Google Patents
Lever type bench drill pressure plate Download PDFInfo
- Publication number
- CN202114497U CN202114497U CN2011201689070U CN201120168907U CN202114497U CN 202114497 U CN202114497 U CN 202114497U CN 2011201689070 U CN2011201689070 U CN 2011201689070U CN 201120168907 U CN201120168907 U CN 201120168907U CN 202114497 U CN202114497 U CN 202114497U
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- CN
- China
- Prior art keywords
- pressure plate
- pressing plate
- bench drill
- workpiece
- lever type
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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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Abstract
A lever type bench drill pressure plate comprises a pressure plate in a rectangular structure, the pressure plate is provided with an elongated slot, two ends of the elongated slot are arc-shaped, a clamping screw penetrates through the elongated slot, the pressure plate is integrally connected with an operation table top of a bench drill in a way that the clamping screw fits a nut at the lower end of the clamping screw, one end of the pressure plate is in an arc boss structure in contact with a work piece, a threaded hole is arranged at the other end of the pressure plate, and an adjusting screw for adjusting height of the threaded-hole end of the pressure plate is mounted in the threaded hole. The lever type bench drill pressure plate has the advantages that the work piece is simple and convenient in pressing, stable and firm in pressing and high in safety, fixtures are convenient in manufacture and low in manufacturing cost, and the lever type bench drill pressure plate is high in practicality, capable of pressing work pieces of different specifications and wide in application range.
Description
Technical field
The utility model relates to a kind of lever bench drill pressing plate.
Background technology
The hole process technology is a requisite content in the pincers worker technical ability, and also is a higher job of technology content.On the part processing face less, carry out the hole and add man-hour volume; Diameter is in 3 millimeters hole processing once of ￠; Can live workpiece with hand, be placed directly on the work top of bench drill and hole, because it is in drilling process; Used moment of torsion is little, during with the pressure holding workpiece and the frictional force that produced of work top be enough to overcome the moment of torsion that drilling produces.But for diameter during greater than the aperture of ￠ 5 above specifications, will be along with the increase of diameter, it is in drilling process, and moment of torsion is also with it increase, can not be directly holds the method that frictional force that workpiece produces limits the workpiece rotational freedom with hand.Consider from aspects such as security and requirement on machining accuracy, the method for using flat-nose pliers clamping and pressing plate pressure holding workpiece instead is carried out.
In with flat-nose pliers clamping workpiece, the shape requirement of workpiece is than higher, and the workpiece face that requires at least to be held will have the requirement of better parallel degree, can use the flat-nose pliers clamping, and this makes will increase the requirement that workpiece is got the raw materials ready; And, in process, if be placed on flat-nose pliers on the working face of bench drill; With the position of riser station drill bit frame, if be placed on flat-nose pliers on the base of bench drill, with the position that reduces the bench drill headstock; Even reducing the bench drill headstock, some wants minimum extreme position; Do not reach the requirement of workpiece hole depth yet, will be sawed-off the protective jacket on the bench drill column, reach the hole depth requirement with the height that reduces protective jacket; This beginning must be destroyed the protective jacket on the bench drill column, and this is a unallowed damage of facilities phenomenon in the plant equipment maintaining.
Method with pressing plate pressure holding workpiece is present most widely used bench drill clamping auxiliary equipment; As shown in Figure 1; Its operation principle is through the power of screwing at the screw 1 of screwing ' produce with 2 ' time of nut, through pressing plate 3 ' the make power of screwing be delivered to workpiece 4 ' on, change into normal pressure; In this produced workpiece 4 ' frictional force, to resist the moment of torsion of fluted drill 5 ' produce when the drilling.But when clamp operation, need pad be slightly larger than the cushion block 6 of workpiece 4 ' thickness ', the 4 ' time of workpiece of running into drilling different size thickness, will in time change the cushion block 6 that is slightly larger than workpiece 4 ' thickness ', it is more loaded down with trivial details just to seem; And, in clamping process, need clamp with two spanners, otherwise be prone to make screw 1 ' with the rotation of nut 2 ' in the same way, be difficult for clamping workpiece 4 '.The power of screwing deficiency can not produce enough frictional force, not have the moment of torsion that resists fluted drill 5 ' when drilling, produce, but workpiece 4 ' also rotate together, can not limit the workpiece rotational freedom.
Summary of the invention
For the method that solves existing pressing plate pressure holding workpiece exist when the operation because of the different size workpiece need change cushion block, because of the problem of the not enough workpiece of the power of screwing with the fluted drill rotation, the utility model provides a kind of easy to operate, lever bench drill pressing plate that clamping is firm.
The technical scheme of the utility model:
Lever bench drill pressing plate; Comprise pressing plate; Said pressing plate is a rectangular structure, it is characterized in that: have a rectangular slotted eye on the said pressing plate, the two ends of said rectangular slotted eye are arc structures; Be equipped with pinching screw in the said rectangular slotted eye, said pressing plate cooperates with the nut of pinching screw lower end through said pinching screw and the work top of bench drill is connected as a single entity; One end of said pressing plate is the circular arc boss structure that contacts with workpiece, and its other end has screwed hole, and the adjustment screw that can adjust screwed hole end clamp plate height is installed in the said screwed hole.
Operation principle:
When workpiece before holing on the bench drill, at first be placed on pressing plate on the table top of bench drill workbench, the circular arc boss face of pressing plate is towards the table top of bench drill workbench; Pass the rectangular slotted eye of pressing plate to pinching screw, also pass the bench drill workbench simultaneously, screw pinching screw, pressing plate and bench drill workbench are connected as a single entity with nut; At this moment, be placed on workpiece under the circular arc boss of pressing plate moving press plate to correct pressure holding position; Screw in the screwed hole of pressing plate with the adjustment screw again; Touch on the table top of bench drill workbench; Along with the clockwise screw-in of adjustment screw, the height of this end clamp plate and work top is raised gradually, and pinching screw in the rectangular slotted eye and the axial location between the nut do not change; This beginning must make the circular arc boss end of pressing plate also down compress workpiece gradually, till pressing plate compresses workpiece.Hole again.After the boring end, unclamp the adjustment screw counterclockwise, the height of this end clamp plate and work top is lowered gradually, and pressing plate circular arc boss end will be gradually away from work top, thus loosened pressure holding to workpiece.For the workpiece of different size thickness, can pressure holding accomplish as long as regulate the axial dimension of pinching screw and pressing plate.
When boring, but the workpiece of the utility model pressure holding different-thickness specification and irregular plate of profile or disk material etc.; More be applicable to the clamping of holing on single-piece or the small lot workpiece of different-thickness specification; Also can be used as the mechanical compaction occasion that compresses at any time and loosen.
The effect intentionally of the utility model: workpiece is simple, convenient in the pressure holding process; Pressure holding is firm, firm, and safe, and frock clamp is easily manufactured, cheap for manufacturing cost; The workpiece that practicality is high, can the pressure holding different size, its applied range.
Description of drawings
Fig. 1 is the sketch map of the pressing plate pressure holding workpiece method of present extensive use.
Fig. 2 is the vertical view of the utility model.
Fig. 3 be the utility model along A-A among Fig. 2 to cutaway view.
Fig. 4 be the utility model along B-B among Fig. 3 to cutaway view.
Fig. 5 is the utility model work sketch map.
The specific embodiment
With reference to Fig. 2-4; Lever bench drill pressing plate comprises pressing plate 1, and said pressing plate 1 is a rectangular structure; Have a rectangular slotted eye 2 on the said pressing plate 1; The two ends of said rectangular slotted eye 2 are arc structures, are equipped with pinching screw 3 in the said rectangular slotted eye 2, and said pressing plate 1 cooperates with the nut 4 of pinching screw 3 lower ends through said pinching screw 3 and the work top of bench drill is connected as a single entity; One end of said pressing plate 1 is the circular arc boss structure that contacts with workpiece, and its other end has screwed hole, and the adjustment screw 5 that can adjust screwed hole end clamp plate 1 height is installed in the said screwed hole.
Operation principle:
When workpiece 6 before holing on the bench drill, at first be placed on pressing plate 1 on the table top of bench drill workbench 7, the circular arc boss face of pressing plate 1 is towards the table top of bench drill workbench 7; Pass the rectangular slotted eye 2 of pressing plate 1 to pinching screw 3, also pass bench drill workbench 7 simultaneously, screw pinching screw 3, pressing plate 1 and bench drill workbench 7 are connected as a single entity with nut 4; At this moment, be placed on workpiece 6 under the circular arc boss of pressing plate 1, moving press plate 1 is to correct pressure holding position; Screw in the screwed hole of pressing plate 1 with adjustment screw 5 again; Touch on the table top of bench drill workbench 7; Along with adjustment screw 5 clockwise screw-ins, this end clamp plate 1 is raised with the height of work top gradually, and pinching screw 3 in the rectangular slotted eye 2 and the axial location between the nut 4 do not change; This beginning must make the circular arc boss end of pressing plate 1 also down compress workpiece 6 gradually, till pressing plate 1 compresses workpiece 6.Hole again.After the boring end, unclamp adjustment screw 5 counterclockwise, this end clamp plate 1 is lowered with the height of work top gradually, and pressing plate 1 circular arc boss end will be gradually away from work top, thus loosened pressure holding to workpiece 6.For the workpiece 6 of different size thickness, can pressure holding accomplish with the axial dimension of pressing plate 1 as long as regulate pinching screw 3.
When boring, but the workpiece of the utility model pressure holding different-thickness specification and irregular plate of profile or disk material etc.; More be applicable to the clamping of holing on single-piece or the small lot workpiece of different-thickness specification; Also can be used as the mechanical compaction occasion that compresses at any time and loosen.
The described content of this specification embodiment only is enumerating the way of realization of utility model design; Should not being regarded as of the protection domain of the utility model only limits to the concrete form that embodiment states, the protection domain of the utility model also reach in those skilled in the art according to the utility model design the equivalent technologies means that can expect.
Claims (1)
1. lever bench drill pressing plate; Comprise pressing plate; Said pressing plate is a rectangular structure, it is characterized in that: have a rectangular slotted eye on the said pressing plate, the two ends of said rectangular slotted eye are arc structures; Be equipped with pinching screw in the said rectangular slotted eye, said pressing plate cooperates with the nut of pinching screw lower end through said pinching screw and the work top of bench drill is connected as a single entity; One end of said pressing plate is the circular arc boss structure that contacts with workpiece, and its other end has screwed hole, and the adjustment screw that can adjust screwed hole end clamp plate height is installed in the said screwed hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201689070U CN202114497U (en) | 2011-05-25 | 2011-05-25 | Lever type bench drill pressure plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201689070U CN202114497U (en) | 2011-05-25 | 2011-05-25 | Lever type bench drill pressure plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202114497U true CN202114497U (en) | 2012-01-18 |
Family
ID=45455595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201689070U Expired - Fee Related CN202114497U (en) | 2011-05-25 | 2011-05-25 | Lever type bench drill pressure plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202114497U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113172565A (en) * | 2021-04-30 | 2021-07-27 | 重庆川仪调节阀有限公司 | Valve plate machining tool for three-eccentric center all-metal butterfly valve |
-
2011
- 2011-05-25 CN CN2011201689070U patent/CN202114497U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113172565A (en) * | 2021-04-30 | 2021-07-27 | 重庆川仪调节阀有限公司 | Valve plate machining tool for three-eccentric center all-metal butterfly valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20140525 |