CN223044162U - A large bottom plate milling surface drilling fixture - Google Patents
A large bottom plate milling surface drilling fixture Download PDFInfo
- Publication number
- CN223044162U CN223044162U CN202422228127.0U CN202422228127U CN223044162U CN 223044162 U CN223044162 U CN 223044162U CN 202422228127 U CN202422228127 U CN 202422228127U CN 223044162 U CN223044162 U CN 223044162U
- Authority
- CN
- China
- Prior art keywords
- bottom plate
- direction clamping
- clamping cylinder
- fixture
- fixedly connected
- 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.)
- Active
Links
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a large-bottom-plate milling drilling fixture, which comprises a machine tool workbench, wherein a fixture bottom plate is fixedly arranged at the top of the machine tool workbench, a plurality of rotary cylinders are fixedly connected to the top edge of the fixture bottom plate, pressing plates are fixedly connected to the tops of output shafts of the rotary cylinders, a plurality of auxiliary positioning parts are respectively fixedly connected to two sides of the top of the fixture bottom plate, a Y-direction clamping cylinder and an X-direction clamping cylinder are respectively fixedly arranged on the other two sides of the top of the fixture bottom plate, Y-direction clamping pressing plates and X-direction clamping pressing plates are respectively fixedly connected to the output shafts of the Y-direction clamping cylinder and the X-direction clamping cylinder, a plurality of auxiliary supporting cylinders are respectively fixedly arranged in the middle of the top end of the fixture bottom plate, and end surface positioning blocks fixedly connected with the fixture bottom plate are respectively arranged on two sides of the auxiliary supporting cylinders.
Description
Technical Field
The utility model relates to the technical field of clamps, in particular to a drilling clamp for milling a surface of a large bottom plate.
Background
The fixture is used for fixing the processing object in the mechanical manufacturing process to enable the processing object to occupy a correct position so as to receive a device for construction or detection, and is also called a fixture. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in the process may be referred to as a fixture. Such as welding jigs, inspection jigs, assembly jigs, machine jigs, etc. When a workpiece is machined on a machine tool, the workpiece must be assembled (positioned) and clamped (clamped) before machining in order to achieve the requirements of the surface of the workpiece such as the size, geometry, mutual position precision with other surfaces and the like specified in the drawing.
The prior fixture structure is as disclosed in Chinese patent publication No. CN217224558U, and comprises a baffle, the baffle below is provided with the bottom plate, one side is provided with first screw on the baffle, bottom plate roof both sides are symmetrical fixed mounting and have first footpath cushion, bottom plate roof rear side fixed mounting has the third footpath cushion, the bottom plate roof is central symmetry fixedly connected with clamp plate, baffle roof middle part fixedly connected with second footpath cushion, be the symmetry on the second footpath cushion and be provided with the third screw.
When the clamp is used for milling the four sides of the large-bottom-plate workpiece, the stability is poor and the workpiece is easy to deviate, so that the large-bottom-plate milling drilling clamp is used for solving the problems.
Disclosure of utility model
The utility model aims to provide a large bottom plate milling surface drilling fixture for solving the problems in the background technology.
In order to achieve the purpose, the utility model provides the technical scheme that the large bottom plate milling drilling fixture comprises a machine tool workbench, wherein a fixture bottom plate is fixedly arranged at the top of the machine tool workbench, a plurality of rotary cylinders are fixedly connected to the top edge of the fixture bottom plate, and pressing plates are fixedly connected to the tops of output shafts of the rotary cylinders;
The clamping device comprises a clamp bottom plate, a plurality of auxiliary positioning parts, a Y-direction clamping cylinder and an X-direction clamping cylinder, wherein the auxiliary positioning parts are fixedly connected to two sides of the top of the clamp bottom plate respectively, the Y-direction clamping cylinder and the X-direction clamping cylinder are fixedly mounted on the other two sides of the top of the clamp bottom plate respectively, the Y-direction clamping pressing plate and the X-direction clamping pressing plate are fixedly connected to output shafts of the Y-direction clamping cylinder and the X-direction clamping cylinder respectively, a plurality of auxiliary supporting cylinders are fixedly mounted in the middle of the top end of the clamp bottom plate respectively, and end face positioning blocks fixedly connected with the clamp bottom plate are arranged on two sides of the auxiliary supporting cylinders respectively.
Preferably, the end face positioning blocks are three and distributed in a triangular structure.
Preferably, the rotary air cylinders are uniformly distributed on the edge of the top end of the clamp bottom plate.
Preferably, the driving directions of the Y-direction clamping cylinder and the X-direction clamping cylinder are mutually perpendicular.
Preferably, two Y-direction clamping cylinders are symmetrically arranged, and one X-direction clamping cylinder is arranged.
Preferably, the auxiliary positioning part comprises two Y-direction telescopic positioning columns and an X-direction telescopic positioning column, wherein the two Y-direction telescopic positioning columns are fixedly connected with one end of the top of the clamp base plate, the two Y-direction telescopic positioning columns are oppositely arranged with the Y-direction clamping cylinder, and the one X-direction telescopic positioning column is oppositely arranged with the X-direction clamping cylinder.
Compared with the prior art, the workpiece clamping device has the advantages that the auxiliary positioning part is used for limiting a workpiece, the end face positioning block is used for positioning a large workpiece, the auxiliary support oil cylinders are matched for auxiliary support of the workpiece, the stability of workpiece support is further guaranteed, the rotating cylinders arranged at the edges are matched with the pressing plates for clamping and fixing the workpiece, when a face is milled, the rotating cylinders at one side work to drive the pressing plates to separate from the workpiece for fixing, three sides of the workpiece can still be fixed through the rotating cylinders matched with the pressing plates, the workpiece stability when the face is milled is guaranteed, and the Y-direction clamping pressing plates and the X-direction clamping pressing plates are matched with the auxiliary positioning part for clamping and fixing four sides of the workpiece.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the present utility model when clamping a workpiece;
FIG. 3 is a top view of the present utility model;
Fig. 4 is a schematic top view of the present utility model when clamping a workpiece.
In the figure, a machine tool workbench 1, a clamp bottom plate 2, a rotary cylinder 3, a pressing plate 4, an end face positioning block 5, an auxiliary support cylinder 6, an auxiliary positioning part 7, a Y-direction telescopic positioning column 71, an X-direction telescopic positioning column 72, a Y-direction clamping cylinder 8, a Y-direction clamping pressing plate 9, an X-direction clamping cylinder 10, an X-direction clamping pressing plate 11 and a large bottom plate workpiece 12 are arranged.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1 and 2, in a first embodiment of the present utility model, a large-bottom-plate milling drilling fixture is provided, and the fixture comprises a machine tool workbench 1, wherein a fixture bottom plate 2 is fixedly installed at the top of the machine tool workbench 1, a plurality of rotary cylinders 3 are fixedly connected to the top edge of the fixture bottom plate 2, and pressing plates 4 are fixedly connected to the tops of output shafts of the rotary cylinders 3;
The two sides of the top of the clamp bottom plate 2 are fixedly connected with a plurality of auxiliary positioning parts 7 respectively, the other two sides of the top of the clamp bottom plate 2 are fixedly provided with a Y-direction clamping cylinder 8 and an X-direction clamping cylinder 10 respectively, the output shafts of the Y-direction clamping cylinder 8 and the X-direction clamping cylinder 10 are fixedly connected with a Y-direction clamping pressing plate 9 and an X-direction clamping pressing plate 11 respectively, the middle part of the top end of the clamp bottom plate 2 is fixedly provided with a plurality of auxiliary supporting cylinders 6 respectively, and two sides of the auxiliary supporting cylinders 6 are provided with end face positioning blocks 5 fixedly connected with the clamp bottom plate 2 respectively.
Limiting the large bottom plate workpiece 12 through the auxiliary positioning part 7, positioning the large bottom plate workpiece 12 by the end surface positioning block 5, carrying out auxiliary support on the large bottom plate workpiece 12 by matching with a plurality of auxiliary support cylinders 6, further guaranteeing the stability of supporting the large bottom plate workpiece 12, then carrying out multidirectional clamping fixation on the top end edge of the large bottom plate workpiece 12 by matching with the pressing plate 4 through a plurality of rotary cylinders 3 arranged at the edge, and when milling a surface, driving the pressing plate 4 to separate from the fixation of one side of the large bottom plate workpiece 12 through the rotary cylinder 3 working of one side of the large bottom plate workpiece 12, wherein three sides of the large bottom plate workpiece 12 can still be fixed through the rotary cylinders 3 matching with the pressing plate 4, thereby guaranteeing the workpiece stability when milling the surface, and clamping and fixing four sides of the large bottom plate workpiece 12 by matching with the auxiliary positioning part 7 through the Y-direction clamping pressing plate 9 and the X-direction clamping pressing plate 11.
Example 2
Referring to fig. 1-4, in a second embodiment of the present utility model, based on the previous embodiment, specifically, three end face positioning blocks 5 are arranged and distributed in a triangular structure, and the bottom of the large-bottom plate workpiece 12 is supported and positioned by the triangular structure, so that the positioning accuracy is ensured.
Specifically, the rotary air cylinders 3 are uniformly distributed on the top edge of the clamp bottom plate 2, a plurality of rotary air cylinders 3 arranged on the edge are matched with the pressing plate 4, the top edge of the large bottom plate workpiece 12 is clamped and fixed in multiple directions, when a face is milled, the rotary air cylinders 3 on one side of the large bottom plate workpiece 12 work, the pressing plate 4 is driven to be separated from the fixing of one side of the large bottom plate workpiece 12, and three sides of the large bottom plate workpiece 12 can still be fixed through the rotary air cylinders 3 matched with the pressing plate 4 at the moment, so that the workpiece stability during face milling is guaranteed.
Specifically, the driving directions of the Y-direction clamping cylinder 8 and the X-direction clamping cylinder 10 are mutually perpendicular, and the mutually perpendicular arrangement drives the Y-direction clamping pressing plate 9 and the X-direction clamping pressing plate 11 to work when the Y-direction clamping cylinder 8 and the X-direction clamping cylinder 10 work, and the Y-direction clamping pressing plate 9 and the X-direction clamping pressing plate 11 cooperate with the auxiliary positioning part 7 to clamp and fix four sides of the large-bottom plate workpiece 12.
Specifically, two Y-direction clamping cylinders 8 are symmetrically arranged, one X-direction clamping cylinder 10 is arranged, and then the auxiliary positioning part 7 is matched, so that six-point positioning is realized on four sides of a workpiece.
Specifically, the auxiliary positioning portion 7 includes two Y-direction telescopic positioning columns 71 and one X-direction telescopic positioning column 72, two Y-direction telescopic positioning columns 71 are fixedly connected to one end of the top of the fixture base plate 2, two Y-direction telescopic positioning columns 71 are oppositely arranged with the Y-direction clamping cylinder 8, one X-direction telescopic positioning column 72 is oppositely arranged with the X-direction clamping cylinder 10, the Y-direction clamping pressing plate 9 and the X-direction clamping pressing plate 11 are matched with the auxiliary positioning portion 7, four sides of the large base plate workpiece 12 are clamped and fixed, six Y-direction telescopic positioning columns are arranged simultaneously, and six-point positioning of the large base plate workpiece 12 is achieved.
Example 3
Referring to fig. 1-4, in the third embodiment of the present utility model, when the present utility model is used, the large-bottom-plate workpiece 12 is limited by the auxiliary positioning portion 7, the large-bottom-plate workpiece 12 is positioned by the end surface positioning block 5, the large-bottom-plate workpiece 12 is supported in an auxiliary manner by matching with the plurality of auxiliary supporting cylinders 6, the supporting stability of the large-bottom-plate workpiece 12 is further ensured, then the top edge of the large-bottom-plate workpiece 12 is clamped and fixed in multiple directions by matching with the pressing plate 4 through the plurality of rotating cylinders 3 arranged at the edge, and when the surface is milled, the pressing plate 4 is driven to be separated from the fixing of one side of the large-bottom-plate workpiece 12 through the operation of the rotating cylinder 3, and at the moment, three sides of the large-bottom-plate workpiece 12 can still be fixed through the matching of the rotating cylinder 3 with the pressing plate 4, so that the workpiece stability when the surface is milled is ensured, and the clamping pressing plates 9 and 11 in the Y direction are matched with the auxiliary positioning portion 7 to clamp and fix four sides of the large-bottom-plate workpiece 12.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The large-bottom-plate milling drilling fixture comprises a machine tool workbench (1) and is characterized in that a fixture bottom plate (2) is fixedly arranged at the top of the machine tool workbench (1), a plurality of rotary cylinders (3) are fixedly connected to the top edge of the fixture bottom plate (2), and pressing plates (4) are fixedly connected to the tops of output shafts of the rotary cylinders (3);
The novel clamping device is characterized in that a plurality of auxiliary positioning parts (7) are fixedly connected to two sides of the top of the clamp base plate (2) respectively, a Y-direction clamping cylinder (8) and an X-direction clamping cylinder (10) are fixedly installed on the other two sides of the top of the clamp base plate (2) respectively, a Y-direction clamping pressing plate (9) and an X-direction clamping pressing plate (11) are fixedly connected to the output shafts of the Y-direction clamping cylinder (8) and the X-direction clamping cylinder (10) respectively, a plurality of auxiliary supporting oil cylinders (6) are fixedly installed in the middle of the top of the clamp base plate (2) respectively, and end face positioning blocks (5) fixedly connected with the clamp base plate (2) are arranged on two sides of the auxiliary supporting oil cylinders (6) respectively.
2. The large bottom plate milling and drilling fixture as claimed in claim 1, wherein the end surface positioning blocks (5) are three and distributed in a triangular structure.
3. The large bottom plate milling and drilling fixture as claimed in claim 1, wherein the rotary cylinders (3) are uniformly distributed at the top edge of the fixture bottom plate (2).
4. A large bottom plate milling surface drilling fixture as claimed in claim 1, wherein the driving directions of the Y-direction clamping cylinder (8) and the X-direction clamping cylinder (10) are perpendicular to each other.
5. The large bottom plate milling and drilling fixture is characterized in that two Y-direction clamping cylinders (8) are symmetrically arranged, and one X-direction clamping cylinder (10) is arranged.
6. The large bottom plate milling surface drilling fixture as claimed in claim 1, wherein the auxiliary positioning part (7) comprises two Y-direction telescopic positioning columns (71) and one X-direction telescopic positioning column (72), the two Y-direction telescopic positioning columns (71) are fixedly connected with one end of the top of the fixture bottom plate (2), the two Y-direction telescopic positioning columns (71) are arranged opposite to the Y-direction clamping cylinder (8), and one X-direction telescopic positioning column (72) is arranged opposite to the X-direction clamping cylinder (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422228127.0U CN223044162U (en) | 2024-09-11 | 2024-09-11 | A large bottom plate milling surface drilling fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422228127.0U CN223044162U (en) | 2024-09-11 | 2024-09-11 | A large bottom plate milling surface drilling fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223044162U true CN223044162U (en) | 2025-07-01 |
Family
ID=96145925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422228127.0U Active CN223044162U (en) | 2024-09-11 | 2024-09-11 | A large bottom plate milling surface drilling fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223044162U (en) |
-
2024
- 2024-09-11 CN CN202422228127.0U patent/CN223044162U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN223044162U (en) | A large bottom plate milling surface drilling fixture | |
| CN104999301A (en) | Machine tool machining center with clamp special for long-bar-shaped workpiece | |
| CN213034107U (en) | Tool clamp for numerical control machine tool | |
| CN209272982U (en) | Clamp for machining of planer type milling machine | |
| CN220862817U (en) | High-efficient vertical double-tool-rest milling machine | |
| CN219633086U (en) | Four-axis hydraulic clamp for milling surface and drilling | |
| CN213470372U (en) | Fixing device for machining multiple holes in fixing base | |
| CN216681209U (en) | 6D cylinder body anchor clamps | |
| CN212496585U (en) | Impeller machining device for double housing planer | |
| CN212145496U (en) | Pneumatic clamp for multi-direction processing of cylindrical workpiece | |
| CN219005759U (en) | Pneumatic clamp | |
| CN222269362U (en) | Workpiece clamping deflection tool for machining | |
| CN214026500U (en) | A kind of graphite electrode processing tool | |
| CN218696324U (en) | Special-shaped part tool clamp | |
| CN220006798U (en) | Processing device of gantry type processing center base | |
| CN219901277U (en) | Multifunctional V-shaped positioning block for precision machining | |
| CN222520627U (en) | Flange seal groove machining clamp | |
| CN223383060U (en) | A zero-point fixture for off-machine clamping | |
| CN112045461A (en) | Control surface milling device capable of clamping multiple control pieces and control surface milling method | |
| CN223419391U (en) | A four-sided processing fixture for gland | |
| CN223465794U (en) | A tooling fixture for processing and welding lower forks | |
| CN215702446U (en) | Center positioning fixture with high machining precision | |
| CN223455855U (en) | A box cover clamp | |
| CN222404552U (en) | A quick positioning clamping tool for CNC | |
| CN217096736U (en) | Processing tool for horizontal plane and left side face of motor support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |