CN214322572U - Split type centering assembly for clamp - Google Patents
Split type centering assembly for clamp Download PDFInfo
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- CN214322572U CN214322572U CN202023005473.0U CN202023005473U CN214322572U CN 214322572 U CN214322572 U CN 214322572U CN 202023005473 U CN202023005473 U CN 202023005473U CN 214322572 U CN214322572 U CN 214322572U
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- connecting rod
- nut
- bidirectional screw
- fixed
- clamping assembly
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- 230000002457 bidirectional effect Effects 0.000 claims abstract description 42
- 230000001681 protective effect Effects 0.000 claims abstract description 10
- 238000007634 remodeling Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a split type centering subassembly is used to anchor clamps, including the protection casing, still include: the upper end and the lower end of the bidirectional screw are fixed on the protective shell through bearings, the upper half section of the bidirectional screw is provided with a positive thread, and the lower half section of the bidirectional screw is provided with a negative thread; the nut and connecting rod clamping assembly is provided with two sets which are symmetrical up and down and respectively comprises an upper nut and connecting rod clamping assembly and a lower nut and connecting rod clamping assembly, wherein the upper nut and connecting rod clamping assembly is arranged on the positive thread of the upper half section of the bidirectional screw rod, and the lower nut and connecting rod clamping assembly is arranged on the negative thread of the lower half section of the bidirectional screw rod. The utility model discloses can effectively solve the big, long problem of remodeling time of the anchor clamps alignment center degree of difficulty.
Description
Technical Field
The utility model belongs to the technical field of the manufacturing technique of the lathe technology equipment and specifically relates to a split type centering subassembly is used to anchor clamps.
Background
With the rapid development of machining, in order to increase production efficiency and improve machining precision, a special clamp for a single part is widely used. In actual production, the appearance difference of some part blanks is large, the parts are easy to deviate in the machining process, and the centering of the clamp is particularly important.
Publication (bulletin) No.: CN206614273U, publication (public notice) day: 2017-11-07 discloses a side bidirectional clamping fixture, which comprises a workbench, a fixture arranged on the workbench and a fixture arranged on the fixture and used for clamping two sides of a workpiece, wherein the fixture comprises a tooth-shaped block, a movable sliding block, a fixed sliding block and a stop block, the tooth-shaped block is fixedly arranged on the movable sliding block through a pin and a screw I, the movable sliding block is connected with the fixed sliding block through a dovetail groove, a fixed nut is arranged on the fixed sliding block, a compression spring is further arranged inside the movable sliding block, one end of the compression spring is connected to the movable sliding block, the other end of the compression spring is connected to the fixed nut, a screw penetrates through the movable sliding block and the compression spring and then is screwed into the fixed nut, and the fixed sliding block and the stop block are fixedly arranged on the fixture through a screw I I and a screw I I. The clamp is simple in structure, convenient to operate, safe and reliable, and solves the problem that the traditional workpiece clamping mode adopts a pressing block to press the upper surface of a workpiece by adopting a side surface workpiece clamping mode, and the condition that the clamp interferes with a cutter exists when the upper surface is machined.
Publication (bulletin) No.: CN108927750A, publication (public notice) day: 2018-12-04 discloses a tooling fixture, a guide rail is horizontally and fixedly connected between two side support plates, a slide seat is respectively arranged on the left side and the right side of the guide rail in a sliding manner, support columns are uniformly arranged on the upper end surface of the slide seat, a rubber pad is bonded on the top end of each support column, two ends of a bidirectional screw rod are respectively and rotatably connected with the side support plates on the left side and the right side through bearings, the bidirectional screw rod horizontally passes through the two slide seats, the slide seats are in threaded connection with the bidirectional screw rod through threaded holes, the left end of a connecting rod is fixedly connected with the right end of the bidirectional screw rod, the right end of the connecting rod is fixedly connected with a first handle, the upper parts of the end surfaces of the two side support plates, which are far away from the center of the base, are respectively provided with a cylinder, the tail end of a piston rod of the cylinder is fixedly connected with an L-shaped plate, a U-shaped fixture block is fixedly connected on the end surface of the vertical part of the L-shaped plate, which is towards the center of the base, the upper end of the screw is fixedly connected with a second handle, and the pressing block is fixedly connected at the lower end of the screw. The invention has the advantages of convenient use and high clamping stability.
Publication (bulletin) No.: CN204819215U, publication (public notice) day: 2015-12-02 relates to a clamp for machining, in particular to a bidirectional self-centering flat tongs for bidirectional alignment and positioning, which mainly comprises a main clamp base, a main clamp base baffle, a double screw, a taper pin, a main clamp body, a screw fixing ring, an auxiliary clamp base baffle, an auxiliary clamp body, a spring, a replaceable main clamp, a replaceable auxiliary clamp and a locking plate. The bidirectional self-positioning flat tongs realize accurate alignment and positioning in one direction by using the nut pair mechanism, and realize alignment and positioning in the other direction by using the two equal-stiffness springs to drive the tongs, so that a workpiece can be aligned and clamped automatically in two directions.
Technical scheme and the technical problem that will solve and the beneficial effect who produces of above disclosure technique all with the utility model discloses inequality, perhaps technical field or application scenario are different, are directed to the utility model discloses more technical problem and the beneficial effect that will solve, above open technical document all do not have the technological inspiration.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an anchor clamps are with split type centering subassembly to the above-mentioned defect that prior art exists, can effectively solve the anchor clamps alignment center degree of difficulty big, the long problem of remodelling time.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a split centering assembly for a clamp, comprising a protective housing, further comprising:
the upper end and the lower end of the bidirectional screw are fixed on the protective shell through bearings, the upper half section of the bidirectional screw is provided with a positive thread, and the lower half section of the bidirectional screw is provided with a negative thread;
the nut and connecting rod clamping assembly is provided with two sets which are symmetrical up and down and respectively comprises an upper nut and connecting rod clamping assembly and a lower nut and connecting rod clamping assembly, wherein the upper nut and connecting rod clamping assembly is arranged on the positive thread of the upper half section of the bidirectional screw rod, and the lower nut and connecting rod clamping assembly is arranged on the negative thread of the lower half section of the bidirectional screw rod.
Further, the nut and link clamping assembly includes:
the rear end of the nut connecting rod lifting clamping block is provided with a screw hole, the screw hole is sleeved on the thread of the bidirectional screw rod, and the front end of the nut connecting rod lifting clamping block is provided with a fixing hole for fixing a nut connecting rod;
and one end of the nut connecting rod is a positioning clamping end, the other end of the nut connecting rod is a fixed end, and the fixed end of the nut connecting rod is fixed in a fixed hole of the nut connecting rod lifting clamping block.
Further, the nut and rod clamp assembly further comprises:
the clamping plate is provided with a mounting hole, the nut connecting rod penetrates through the mounting hole at the same time, and the clamping plate is fixed on the nut connecting rod lifting clamping block by the nut connecting rod;
further, still include the direction frame, the direction frame is fixed on protection casing, and the direction frame is including the left guide frame that parallels, right guide frame, and the inboard edge of left guide frame and splint left side outside limit slidingtype direction from top to bottom, the inboard edge of right guide frame and splint right side outside limit slidingtype direction from top to bottom.
Compared with the prior art, the utility model following beneficial effect has:
the center of the bidirectional screw is the center of a workpiece, the nut and connecting rod clamping components are respectively arranged at two ends of the bidirectional screw (the distance from the center of the bidirectional screw is necessarily the same), the bidirectional screw is rotated, and the automatic centering of the workpiece is realized; because the centering assembly is matched and processed by the machine tool, the automatic centering of the blank can be realized, and the repeated positioning precision is stable within 0.1. Meanwhile, square centering can be used as a standard part of the clamp to process a plurality of parts in batch at one time, so that the square positioning block can be quickly replaced; the centering seat can be used repeatedly, waste of materials is reduced, excessive blank offset is greatly reduced, and the time for changing the model is saved.
Drawings
Fig. 1 is a schematic structural view of a split centering assembly for a fixture according to the present invention;
fig. 2 is the utility model relates to a side sectional structure schematic diagram of split type centering subassembly for anchor clamps.
In the figure: the device comprises a nut connecting rod lifting clamping block 1, a bidirectional screw rod 2, a bearing 3, a protective shell 4, a clamp spring 5, a nut connecting rod 6, a clamping plate 7 and a guide frame 8.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1:
referring to fig. 1 to 2, the present invention provides a technical solution:
a split centering assembly for a clamp comprises a protective shell 4 and further comprises:
the upper end and the lower end of the bidirectional screw rod are fixed on the protective shell through bearings 3, the outer end of each bearing is provided with a clamp spring 5, the upper half section of the bidirectional screw rod is provided with a positive thread, and the lower half section of the bidirectional screw rod is provided with a negative thread;
the nut and connecting rod clamping assembly is provided with two sets which are symmetrical up and down and respectively comprises an upper nut and connecting rod clamping assembly and a lower nut and connecting rod clamping assembly, wherein the upper nut and connecting rod clamping assembly is arranged on the positive thread of the upper half section of the bidirectional screw rod, and the lower nut and connecting rod clamping assembly is arranged on the negative thread of the lower half section of the bidirectional screw rod.
Further, the nut and link clamping assembly includes:
the nut connecting rod lifting clamping block 1 is characterized in that a screw hole is formed in the rear end of the nut connecting rod lifting clamping block and sleeved on threads of a bidirectional screw rod, and a fixing hole for fixing a nut connecting rod is formed in the front end of the nut connecting rod lifting clamping block;
and one end of the nut connecting rod is a positioning clamping end, the other end of the nut connecting rod is a fixed end, and the fixed end of the nut connecting rod is fixed in a fixed hole of the nut connecting rod lifting clamping block.
Further, the nut and rod clamp assembly further comprises:
the clamping plate 7 is provided with a mounting hole, the nut connecting rod penetrates through the mounting hole at the same time, and the clamping plate is fixed on the nut connecting rod lifting clamping block by the nut connecting rod;
further, still include direction frame 8, the direction frame is fixed on protection casing, and the direction frame is including parallel left guide frame, right guide frame, and the inboard edge of left guide frame and splint left side limit slidingtype direction from top to bottom, the inboard edge of right guide frame and splint right side limit slidingtype direction from top to bottom.
And (4) mounting the assembly on the tool by using a bolt. Movement of 1 (nut and rod clamp assembly) is achieved by turning the bi-directional screw.
The utility model discloses owing to adopted but the split type structure of the square centering seat of quick replacement, the centering seat can repeat, repetitious usage, has saved the cost of manufacture of centering seat. And because the blank appearance and the nut connecting rod clamping combination are completely matched, the repeated positioning precision is stabilized within 0.1. The alignment difficulty of the clamp is greatly reduced, and the time for changing the mold is saved. Has popularization significance in actual production.
Example 2:
referring to fig. 1 to 2, the present invention provides a technical solution:
a split centering assembly for a clamp comprises a protective shell 4 and further comprises:
the upper end and the lower end of the bidirectional screw rod are fixed on the protective shell through bearings 3, the outer end of each bearing is provided with a clamp spring 5, the upper half section of the bidirectional screw rod is provided with a positive thread, and the lower half section of the bidirectional screw rod is provided with a negative thread;
the nut and connecting rod clamping assembly is provided with two sets which are symmetrical up and down and respectively comprises an upper nut and connecting rod clamping assembly and a lower nut and connecting rod clamping assembly, wherein the upper nut and connecting rod clamping assembly is arranged on the positive thread of the upper half section of the bidirectional screw rod, and the lower nut and connecting rod clamping assembly is arranged on the negative thread of the lower half section of the bidirectional screw rod.
Further, the nut and link clamping assembly includes:
the nut connecting rod lifting clamping block 1 is characterized in that a screw hole is formed in the rear end of the nut connecting rod lifting clamping block and sleeved on threads of a bidirectional screw rod, and a fixing hole for fixing a nut connecting rod is formed in the front end of the nut connecting rod lifting clamping block;
and one end of the nut connecting rod is a positioning clamping end, the other end of the nut connecting rod is a fixed end, and the fixed end of the nut connecting rod is fixed in a fixed hole of the nut connecting rod lifting clamping block.
Although fig. 1 to 2 are used in all the above embodiments, it is obvious to those skilled in the art that separate drawings are not shown as long as the parts or structural features missing in the embodiments are removed from the drawings. As will be clear to the skilled person. Of course, the embodiments with more components are only the preferred embodiments, and the embodiments with fewer components are the basic embodiments, but the basic utility model objects can also be achieved, so all these are within the protection scope of the present invention.
All parts and parts which are not discussed in the present application and the connection mode of all parts and parts in the present application belong to the known technology in the technical field, and are not described again. Such as welding, threaded connections, etc.
In the present application, the term "plurality" means two or more unless expressly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a split type centering subassembly is used to anchor clamps, includes the protection casing, its characterized in that still includes:
the upper end and the lower end of the bidirectional screw are fixed on the protective shell through bearings, the upper half section of the bidirectional screw is provided with a positive thread, and the lower half section of the bidirectional screw is provided with a negative thread;
the nut and connecting rod clamping assembly is provided with two sets which are symmetrical up and down and respectively comprises an upper nut and connecting rod clamping assembly and a lower nut and connecting rod clamping assembly, wherein the upper nut and connecting rod clamping assembly is arranged on the positive thread of the upper half section of the bidirectional screw rod, and the lower nut and connecting rod clamping assembly is arranged on the negative thread of the lower half section of the bidirectional screw rod.
2. The split centering assembly for a clamp of claim 1, wherein said nut and rod clamping assembly comprises:
the rear end of the nut connecting rod lifting clamping block is provided with a screw hole, the screw hole is sleeved on the thread of the bidirectional screw rod, and the front end of the nut connecting rod lifting clamping block is provided with a fixing hole for fixing a nut connecting rod;
and one end of the nut connecting rod is a positioning clamping end, the other end of the nut connecting rod is a fixed end, and the fixed end of the nut connecting rod is fixed in a fixed hole of the nut connecting rod lifting clamping block.
3. The split centering assembly for a clamp of claim 2, wherein said nut and rod clamping assembly further comprises:
the clamping plate is provided with a mounting hole, the nut connecting rod penetrates through the mounting hole, and the clamping plate is fixed on the nut connecting rod lifting clamping block by the nut connecting rod.
4. The split centering assembly for a clamp of claim 3, further comprising:
the guide frame is fixed on the protective shell and comprises a left guide frame and a right guide frame which are parallel, the left side edge of the left guide frame and the left outer side edge of the clamping plate are guided in a vertically sliding mode, and the right side edge of the right guide frame and the right outer side edge of the clamping plate are guided in a vertically sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023005473.0U CN214322572U (en) | 2020-12-14 | 2020-12-14 | Split type centering assembly for clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023005473.0U CN214322572U (en) | 2020-12-14 | 2020-12-14 | Split type centering assembly for clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214322572U true CN214322572U (en) | 2021-10-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023005473.0U Active CN214322572U (en) | 2020-12-14 | 2020-12-14 | Split type centering assembly for clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214322572U (en) |
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2020
- 2020-12-14 CN CN202023005473.0U patent/CN214322572U/en active Active
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