CN113967851A - Bearing plate adds clamping apparatus - Google Patents
Bearing plate adds clamping apparatus Download PDFInfo
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- CN113967851A CN113967851A CN202111335777.XA CN202111335777A CN113967851A CN 113967851 A CN113967851 A CN 113967851A CN 202111335777 A CN202111335777 A CN 202111335777A CN 113967851 A CN113967851 A CN 113967851A
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- pressing plate
- workpieces
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- workpiece
- clamping
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- 238000003825 pressing Methods 0.000 claims abstract description 107
- 238000003754 machining Methods 0.000 claims abstract description 24
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/061—Work-clamping means adapted for holding a plurality of workpieces
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a bearing plate machining clamp, which belongs to the field of machining of parts of a bogie, and is provided with a box body, wherein the bottom of the box body can be fixedly connected with a workbench, the side part of the box body is provided with a plurality of working surfaces for bearing workpieces, at least one clamping area for clamping the workpieces is formed on each working surface, and each clamping area is provided with a positioning pin for positioning the workpieces and a pressing structure for pressing the workpieces on the clamping area; the invention has the advantages of clamping a plurality of workpieces at one time, avoiding deviation caused by repeated clamping, being fast in clamping and accurate in positioning, being beneficial to improving the processing quality of products and improving the production efficiency and the utilization rate of machine tools.
Description
Technical Field
The invention relates to the technical field of machining of parts of a bogie, in particular to a bearing plate machining clamp.
Background
At present, a bogie is an important component of a railway passenger car, wherein a bearing plate is processed in the bogie component, a universal sizing block and a pressing plate are adopted on a workbench of a vertical milling machine to complete the processing through multiple clamping, and the supporting plate is formed by milling a thick steel plate, so that the shape is irregular, the processing amount is large, the defects of large multiple clamping and positioning deviation, low working efficiency and high labor intensity exist;
therefore, in view of the above problems, there is a need in the art to develop a support plate processing jig.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a support plate machining clamp which can clamp a plurality of workpieces at one time, avoids deviation caused by multiple clamping, is quick in clamping, accurate in positioning and low in labor intensity, is beneficial to improving the product machining quality, and improves the production efficiency and the machine tool utilization rate.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention discloses a bearing plate processing clamp, which comprises:
the bottom of the box body can be fixedly connected with the workbench, the side part of the box body is provided with a plurality of working surfaces for bearing workpieces, at least one clamping area for clamping the workpieces is formed on each working surface, and each clamping area is provided with a positioning pin for positioning the workpieces and a pressing structure for pressing the workpieces on the clamping area;
the working face comprises a working face A and a working face B, and the working face A and the working face B are not coplanar.
Further, the projection area of the working surface A on the plumb plane is larger than that of the working surface B on the plumb plane.
Furthermore, the box is of a cuboid structure with four side walls, an opening is formed in the top of the box, and hanging blocks are fixedly connected to four angular positions of the upper surface of the box and used for installing hanging rings.
Furthermore, the clamping area is provided with a base plate, one side of the base plate is fixedly connected with the box body, and the other side of the base plate is in contact with the workpiece.
Furthermore, the working surface A is divided into two clamping areas through a vertical central axis, and workpieces clamped in the two clamping areas are distributed in a symmetrical mode through the vertical central axis.
Furthermore, the compressing structure comprises a first pressing plate matched with the number of the workpieces and a second pressing plate capable of synchronously compressing the two workpieces, the first pressing plate is arranged at the bottom end of the working face A, the second pressing plate is arranged at the top end of the working face A, and a plurality of positioning pins for supporting the workpieces are uniformly distributed above the first pressing plate.
Furthermore, the first pressing plate and the second pressing plate both comprise bolts and a plurality of nuts matched with the bolts, the first pressing plate is provided with two through holes, and the middle part of the first pressing plate is provided with one through hole.
Furthermore, the working surface B is divided into two clamping areas through a horizontal central axis, and workpieces clamped in the two clamping areas are distributed in an asymmetrical mode through the horizontal central axis.
Furthermore, the pressing structure comprises a positioning rod in clearance fit with the first pressing plate and the workpiece shaft hole;
the first pressing plate and the positioning rod are distributed on two sides of the working surface B, and the positioning pin for supporting the workpiece is distributed on the side, located on the workpiece, of the first pressing plate;
the positioning rod compresses the workpiece through the pressing block.
Further, the first pressing plate comprises a bolt and a plurality of nuts matched with the bolt, and two through holes are formed in the first pressing plate;
one end of the positioning rod is fixedly connected with the box body, the other end of the positioning rod is in threaded connection with a nut for pressing the workpiece, and the nut is the pressing block.
In the technical scheme, the support plate machining clamp provided by the invention has the beneficial effects that:
compared with the prior art, the bearing plate machining clamp has the advantages that the side part of the box body is provided with the machining surfaces for bearing the workpieces, each machining surface bears two workpieces, so that the clamp can clamp a plurality of workpieces at one time, the deviation caused by clamping the workpieces for multiple times is avoided, the clamping is rapid, the positioning is accurate, and the machining quality of products is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic view of a workpiece configuration;
FIG. 2 is an isometric view of a support plate machining fixture of the present disclosure with a workpiece clamped thereto;
FIG. 3 is an isometric view of a support plate machining fixture of the present disclosure;
FIG. 4 is a front view of a support plate machining fixture disclosed in the present invention
FIG. 5 is a left side view of a support plate machining jig according to the present disclosure
Fig. 6 is a top view of a support plate machining fixture disclosed in the present invention.
Description of reference numerals:
1. a box body: 101. a base plate; 102. a vertical plate; 103. lifting the block; 2. a first platen; 3. a second platen; 4. positioning a rod; 5. positioning pins; 6. a bolt; 7. a nut; 8. a base plate; 9. a, working surface; 10. b, working surface; 11. a vertical central axis; 12. a horizontal central axis; 13. a clamping area; 14. and (5) a workpiece.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
See fig. 2-6;
the invention provides a support plate machining clamp, which comprises:
the bottom of the box body 1 can be fixedly connected with the workbench, the side part of the box body 1 is provided with a plurality of working surfaces for bearing the workpieces 14, the working surfaces are provided with at least one clamping area 13 for clamping the workpieces 14, and the clamping area 13 is provided with a positioning pin 5 for positioning the workpieces 14 and a pressing structure for pressing the workpieces 14 on the clamping area 13;
the working surfaces comprise an A working surface 9 and a B working surface 10, and the A working surface 9 and the B working surface 10 are not coplanar.
Specifically, in the structure, the box body 1 is a box body with a square structure, the side face of the box body 1 is used as a working face, the number of the load-bearing workpieces 14 is increased, and each working face is provided with two clamping areas 13, so that the box body 1 can simultaneously bear 8 workpieces 14, multi-face machining of a rotary worktable of a horizontal machining center is facilitated, 8 workpieces 14 are simultaneously machined, and the clamp clamps a plurality of workpieces 14 at one time, so that deviation caused by multiple times of clamping is avoided;
referring to fig. 2, 3 and 6, it is preferable that the projected area of the a working face 9 on the plumb plane is larger than the projected area of the B working face 10 on the plumb plane.
Specifically, in the prior art, the processing of the workpiece 14 is completed by one-step processing and two-step processing, the working surface A9 is used for one-step processing, the positioning pin is positioned by the edge of the blank during the one-step processing, the working surface B10 is used for the two-step processing, and the two-step processing is positioned by the edge of the one-step processing and the shaft hole, so that the positioning precision is ensured, in addition, the projection area of the working surface A9 of the box body 1 on the plumb plane is larger than that of the working surface B10 on the plumb plane, the structure is compact, the clamping is conveniently designed in a light weight manner, the working surface A9 and the working surface B10 are conveniently distinguished, and the use is convenient;
referring to fig. 3, preferably, the box body 1 is a rectangular parallelepiped structure having four side walls, an opening is formed at the top of the box body 1, and hanging blocks are fixedly connected to four angular positions of the upper surface of the box body 1 for installing hanging rings.
Specifically, in order to reduce the weight of the fixture, the box body 1 is a cuboid structure with a hollow structure, the box body 1 comprises a cuboid structure formed by surrounding a bottom plate 101 and four vertical plates 102, in order to further reduce the overall weight of the fixture and facilitate assembly of a compression structure, an opening part is formed in the top of the box body 1, namely the box body 1 is the box body 1 with an open top, lifting blocks 103 are arranged at four angular positions on the upper surface of the box body 1, lifting rings are installed through the lifting blocks 103, external equipment is convenient to lift the box body 1, weight reducing holes are formed in the bottom plate 101 of the box body 1, the box body 1 is fixedly connected with a workbench through the bottom plate 101, the outer surfaces of the four vertical plates 102 of the box body 1 are working surfaces, two opposite vertical plates 102 form a group, and the projection surface area of each group of the two vertical plates 102 on a plumb plane is equal;
referring to fig. 3, the clamping area 13 preferably has a backing plate 8, the backing plate 8 being fixedly connected to the housing 1 on one side and contacting the workpiece 14 on the other side.
Specifically, in order to improve the processing precision, the clamping area 13 is provided with a backing plate 8, the backing plate 8 supports the workpiece 14, deformation of an area, which is not contacted between the workpiece 14 and the box body 1, of the workpiece 14 during processing is avoided, a U-shaped notch is further formed in one side of the backing plate 8, and a protruding part, which is contacted with the box body 1, of the end part of the workpiece 14 is avoided through the U-shaped notch;
referring to fig. 4, the a work surface 9 is partitioned by two clamping areas 13 by a vertical central axis 11, and the workpieces 14 clamped in the two clamping areas 13 are distributed in a symmetrical manner with the vertical central axis 11. That is, the working surface a 9 is divided into a left clamping area 13 and a right clamping area 13 by the vertical central axis 11, and the left side and the right side of the working surface a 9 are used for bearing two workpieces 14 which need to be processed in one step;
referring to fig. 3 and 4, preferably, the pressing structure includes first pressing plates 2 matched with the number of the workpieces 14 and second pressing plates 3 capable of synchronously pressing the two workpieces 14, the first pressing plates 2 are installed at the bottom ends of the working surfaces a 9, the second pressing plates 3 are installed at the top ends of the working surfaces a 9, and a plurality of positioning pins 5 for supporting the workpieces 14 are uniformly distributed above the first pressing plates 2.
Specifically, the pressing structure of the working surface A9 comprises a first pressing plate 2 and a second pressing plate 3, three positioning pins 5 are uniformly distributed on the box body 1 above the first pressing plate 2, wherein the two positioning pins 5 are in contact with the blank edge at the bottom end of a workpiece 14 and used for supporting the workpiece 14 and avoiding the workpiece 14 from moving downwards along the vertical direction, one positioning pin 5 is in contact with the concave arc edge at the side part of the workpiece 14 and used for preventing the workpiece 14 from moving transversely along the horizontal direction, when the workpiece 14 is clamped, the bottom end of the workpiece 14 presses the workpiece through the first pressing plate 2, and the top end of the workpiece 14 presses the workpiece through the second pressing plate 3;
referring to fig. 3 and 4, preferably, the first pressing plate 2 and the second pressing plate 3 both include a bolt 6 and a plurality of nuts 7 matched with the bolt 6, the first pressing plate 2 is provided with two through holes, and the middle of the first pressing plate 2 is provided with one through hole.
Specifically, the first pressing plate 2 is a double-hole pressing plate with two through holes at one end, the second pressing plate 3 is a single-hole pressing plate with one through hole at the middle part, so that the second pressing plate 3 can rotate around the bolt 6 when the workpiece 14 is not pressed, the interference with the workpiece 14 when the workpiece 14 is installed is avoided, the clamping is convenient, the bolts 6 for the first pressing plate 2 and the second pressing plate 3 penetrate through the base and are fixedly connected with the box body 1 through the nuts 7, of course, threaded holes can be formed in the box body 1, and the bolt 6 is in threaded connection through the threaded holes, or the bolt 6 is connected with the box body 1 through other fixed connection modes in the prior art;
when the first pressing plate 2 is used, one end of the first pressing plate 2 is in contact with the upper surface of the bottom end of a workpiece 14, two bolts 6 at the other end of the first pressing plate 2 penetrate through the first pressing plate 2, nuts 7 are uniformly distributed on the upper surface and the lower surface of the first pressing plate 2 of the bolts 6, the first pressing plate 2 is driven to tightly press the workpiece 14 through the nuts 7 on the upper surface of the first pressing plate 2, and the nuts 7 arranged on the lower surface of the first pressing plate 2 are used for fixedly connecting the first pressing plate 2 with the bolts 6;
when the second pressing plate 3 is used, the bolt 6 penetrates through a through hole in the middle of the second pressing plate 3, two ends of the second pressing plate 3 are in contact with two workpieces 14 on the working surface A9, and the second pressing plate 3 is driven to tightly press the workpieces 14 through the nut 7 on the upper surface of the second pressing plate 3;
referring to fig. 3 and 5, preferably, the B working surface 10 is divided by two clamping areas 13 through a horizontal central axis 12, and the workpieces 14 clamped in the two clamping areas 13 are distributed in an asymmetrical manner through the horizontal central axis 12. That is, the working surface B10 is divided into an upper clamping area 13 and a lower clamping area 13 by the horizontal central axis 12, and the upper side and the lower side of the working surface B10 are used for bearing two workpieces 14 which need to be processed in two steps;
referring to fig. 3 and 5, preferably, the pressing structure comprises a positioning rod 4 which is in clearance fit with the first pressing plate 2 and the shaft hole of the workpiece 14;
the first pressing plate 2 and the positioning rods 4 are distributed on two sides of the working surface B10, and positioning pins 5 for supporting the workpiece 14 are distributed on the side, located on the workpiece 14, of the first pressing plate 2;
the positioning rod 4 compresses the workpiece 14 through a pressing block.
Specifically, the working surface 10B is divided into two clamping areas 13 by a horizontal central axis 12, a first pressing plate 2 is arranged on one side of each clamping area 13, a positioning rod 4 is arranged on the other side of each clamping area 13, the positioning rod 4 is in small clearance fit with a shaft hole of a workpiece 14 to position the linear displacement of the workpiece 14 on a plumb bob plane, the workpiece 14 is positioned at the other end of the workpiece 14 by a positioning pin 5 to rotate around the positioning rod 4, namely, the positioning pin 5 is arranged above the first pressing plate 2 of the box body 1, the positioning pin 5 is in contact with the edge of the workpiece 14 after one-step processing to support the workpiece 14 and limit the rotation displacement of the workpiece 14, after positioning, the first pressing plate 2 compresses the workpiece 14 by a nut 7, and the positioning rod 4 compresses the workpiece 14 by a pressing block;
referring to fig. 3 and 5, preferably, the first pressing plate 2 includes a bolt 6 and a plurality of nuts 7 engaged with the bolt 6, and the first pressing plate 2 is provided with two through holes;
one end of the positioning rod 4 is fixedly connected with the box body 1, the other end of the positioning rod is in threaded connection with a nut 7 for pressing a workpiece 14, and the nut 7 is a pressing block.
Specifically, in the structure, the pressing block is a nut 7, when the first pressing plate 2 is used, one end of the first pressing plate 2 is in contact with the upper surface of the end part of the workpiece 14, two bolts 6 at the other end of the first pressing plate 2 penetrate through the first pressing plate 2, the nuts 7 are uniformly distributed on the bolts 6 on the upper surface and the lower surface of the first pressing plate 2, the first pressing plate 2 is driven to tightly press the workpiece 14 through the nuts 7 on the upper surface of the first pressing plate 2, and the nuts 7 arranged on the lower surface of the first pressing plate 2 are used for fixedly connecting the first pressing plate 2 with the bolts 6;
when the positioning rod 4 is used, one end of the positioning rod 4 is fixedly connected with the box body 1, the middle part of the positioning rod 4 is in small clearance fit with a shaft hole at the end part of the workpiece 14, the workpiece is conveniently sleeved on the positioning rod 4, so that one end of the workpiece 14 is positioned by using the positioning rod 4, the tail end of the positioning rod 4 is connected with a nut 7 through external threads and threads, and the workpiece 14 is tightly pressed through the nut 7;
in the technical scheme, the invention provides a support plate machining clamp;
has the advantages that:
compared with the prior art, the bearing plate machining clamp has the advantages that the side part of the box body is provided with the machining surfaces for bearing the workpieces, each machining surface bears two workpieces, so that the clamp can clamp a plurality of workpieces at one time, the deviation caused by clamping the workpieces for multiple times is avoided, the clamping is rapid, the positioning is accurate, and the machining quality of products is improved.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. A support plate machining jig characterized by comprising:
the bottom of the box body (1) can be fixedly connected with a workbench, the side part of the box body (1) is provided with a plurality of working surfaces for bearing workpieces (14), the working surfaces are provided with at least one clamping area (13) for clamping the workpieces (14), and the clamping area (13) is provided with a positioning pin (5) for positioning the workpieces (14) and a pressing structure for pressing the workpieces (14) in the clamping area (13);
wherein the working surface comprises a working surface A (9) and a working surface B (10), and the working surface A (9) and the working surface B (10) are not coplanar.
2. A support plate processing jig according to claim 1,
the projection area of the working surface A (9) on the plumb plane is larger than that of the working surface B (10) on the plumb plane.
3. A support plate processing jig according to claim 2,
the box (1) is of a cuboid structure with four side walls, an opening is formed in the top of the box (1), and hanging blocks are fixedly connected to four angular positions of the upper surface of the box (1) and used for installing hanging rings.
4. A support plate processing jig according to claim 1,
the clamping area (13) is provided with a base plate (8), one side of the base plate (8) is fixedly connected with the box body (1), and the other side of the base plate (8) is in contact with the workpiece (14).
5. A support plate processing jig according to any one of claims 1 to 4, wherein;
the working surface A (9) is divided into two clamping areas (13) through a vertical central axis (11), and workpieces (14) clamped in the two clamping areas (13) are distributed in a symmetrical mode through the vertical central axis (11).
6. A support plate processing jig according to claim 5, wherein;
the pressing structure comprises a first pressing plate (2) matched with the workpieces (14) in number and a second pressing plate (3) capable of synchronously pressing the workpieces (14), the first pressing plate (2) is installed at the bottom end of the working face A (9), the second pressing plate (3) is installed at the top end of the working face A (9), and a plurality of positioning pins (5) for supporting the workpieces (14) are uniformly distributed above the first pressing plate (2).
7. A support plate processing jig according to claim 6, wherein;
the first pressing plate (2) and the second pressing plate (3) comprise bolts (6) and a plurality of nuts (7) matched with the bolts (6), two through holes are formed in the first pressing plate (2), and one through hole is formed in the middle of the first pressing plate (2).
8. A support plate processing jig according to any one of claims 1 to 4, wherein;
the working surface (10) B is divided into two clamping areas (13) through a horizontal central axis (12), and workpieces (14) clamped in the two clamping areas (13) are distributed in an asymmetrical mode through the horizontal central axis (12).
9. A support plate processing jig according to claim 8, wherein;
the pressing structure comprises a positioning rod (4) in clearance fit with the first pressing plate (2) and the shaft hole of the workpiece (14);
the first pressing plate (2) and the positioning rod (4) are distributed on two sides of the working surface B (10), and the positioning pin (5) for supporting the workpiece (14) is distributed on the side, located on the workpiece (14), of the first pressing plate (2);
the positioning rod (4) compresses the workpiece (14) through a pressing block.
10. A support plate processing jig according to claim 9, wherein;
the first pressing plate (2) comprises a bolt (6) and a plurality of nuts (7) matched with the bolt (6), and two through holes are formed in the first pressing plate (2);
one end of the positioning rod (4) is fixedly connected with the box body (1), the other end of the positioning rod is in threaded connection with a nut (7) which compresses the workpiece (14), and the nut (7) is the pressing block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111335777.XA CN113967851A (en) | 2021-11-12 | 2021-11-12 | Bearing plate adds clamping apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111335777.XA CN113967851A (en) | 2021-11-12 | 2021-11-12 | Bearing plate adds clamping apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113967851A true CN113967851A (en) | 2022-01-25 |
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ID=79589680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111335777.XA Pending CN113967851A (en) | 2021-11-12 | 2021-11-12 | Bearing plate adds clamping apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113967851A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116079153A (en) * | 2023-02-15 | 2023-05-09 | 上海电气液压气动有限公司 | A kind of processing method of motor cover |
| CN116728122A (en) * | 2023-05-05 | 2023-09-12 | 山西汾西重工有限责任公司 | Box clamp |
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| CN116079153A (en) * | 2023-02-15 | 2023-05-09 | 上海电气液压气动有限公司 | A kind of processing method of motor cover |
| CN116728122A (en) * | 2023-05-05 | 2023-09-12 | 山西汾西重工有限责任公司 | Box clamp |
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Application publication date: 20220125 |