CN213469694U - Clamp for processing holes in bracket plate of inter-axle differential of automobile - Google Patents
Clamp for processing holes in bracket plate of inter-axle differential of automobile Download PDFInfo
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- CN213469694U CN213469694U CN202022472598.8U CN202022472598U CN213469694U CN 213469694 U CN213469694 U CN 213469694U CN 202022472598 U CN202022472598 U CN 202022472598U CN 213469694 U CN213469694 U CN 213469694U
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Abstract
The utility model provides an anchor clamps that is used for carrying out spot facing work to differential mechanism's mounting panel between axle in the car, anchor clamps are used for with the mounting panel centre gripping is fixed to the workstation of spot facing work equipment on to a plurality of mounting holes to on the mounting panel are processed, its characterized in that: the clamp comprises a base, a drill plate, a pressing mechanism and a base plate; the pressing mechanism is pressed by a pressing nut and reset by a spring, and the support plate is positioned by the cylindrical surfaces of the three positioning pins on the base plate. The fixture is adopted to process the holes of the support plate, and has convenient operation, low labor intensity and high production efficiency.
Description
Technical Field
The utility model relates to an automobile manufacturing technical field, especially a anchor clamps that are used for carrying out spot facing work to differential mechanism's mounting panel between axle in the car.
Background
In the prior art, when a support plate of an inter-axle differential of an automobile is subjected to hole machining, two movable press plates are generally adopted to clamp a workpiece. When a workpiece is assembled, an operator positions the workpiece on the base, then places the two pairs of movable pressing plates at the pressing points of the workpiece respectively, and manually screws the two pressing nuts to complete the pressing of the movable pressing plates on the workpiece; when the workpiece is taken out of the fixture, an operator firstly loosens the locking nuts of the two movable pressing plates, then moves the two movable pressing plates away from the workpiece, and then takes the workpiece out of the fixture. In the workpiece loading and unloading field, an operator needs to complete more than 12 action steps, so that the labor intensity of workers is high, and the production efficiency is low. In addition, the clamping mode has the advantages of small number of workpieces processed at one time and difficulty in improving the production efficiency.
SUMMERY OF THE UTILITY MODEL
To the problem in the background art, the utility model provides an anchor clamps that is used for carrying out spot facing work to differential mechanism's mounting panel in the car between the axle to solve among the prior art and carry out spot facing work to differential mechanism's mounting panel in the car between the axle big, the low problem of production efficiency of intensity of labour.
The utility model aims at realizing through the technical scheme, it is including:
the utility model provides an anchor clamps that is used for carrying out spot facing work to differential's mounting panel between axle in the car, anchor clamps are used for with the mounting panel centre gripping is fixed to the workstation of spot facing work equipment to process its characterized in that to a plurality of mounting holes on the mounting panel: the clamp comprises a base, a drill plate, a pressing mechanism and a base plate;
the base comprises a bottom plate, 2 vertical plates are arranged on the top surface of the bottom plate, the 2 vertical plates are arranged at the left end and the right end of the front part of the bottom plate, and the 2 vertical plates are arranged symmetrically left and right; the top surface of the bottom plate is provided with 2 connecting holes for connecting with a working platform of hole machining equipment, and the 2 connecting holes are arranged at the left end and the right end of the middle part of the bottom plate; a first threaded hole is formed in the middle of the top surface of the bottom plate, a second threaded hole is formed in the rear part of the top surface of the bottom plate, and the second threaded hole is opposite to the first threaded hole in position; the top surface of the vertical plate is provided with 2 third threaded holes for connecting with the drilling template; the bottom surface of the front part of the bottom plate is provided with a chip removal groove, the bottom surface of the chip removal groove is provided with a plurality of chip removal through holes, and the aperture size of each chip removal through hole is matched with the diameter size of a drill bit of hole machining equipment; a fourth threaded hole used for being connected with the base plate is formed in the top surface of the front part of the bottom plate;
the two ends of the drilling template are respectively provided with 2 first through holes used for being connected with the vertical plate, the middle of the drilling template is provided with a plurality of drilling template holes, drilling sleeves are arranged in the drilling template holes, and the aperture size of each drilling sleeve is matched with the diameter size of the drill bit;
the pressing mechanism comprises a pressing plate, a double-end screw, a first locking nut, a spring, a pressing nut, a single-end screw and a second locking nut; the pressing plate comprises a pressing plate and a pressing handle, one end of the pressing handle is fixedly connected with the middle of the rear side surface of the pressing plate, a second through hole is formed in the front part of the pressing handle, and the aperture of the second through hole is matched with the diameter of the double-head screw; the bottom surface of the pressing plate is provided with an auxiliary pressing plate, and the length of the auxiliary pressing plate is matched with that of the support plate;
the top surface of the base plate is provided with a third through hole used for being connected with the bottom plate, the top surface of the base plate is also provided with a plurality of chip removal through holes, the size of each chip removal through hole is matched with the diameter of the drill bit, the top surface of the base plate is provided with 1 first positioning pin and 2 second positioning pins, the axial directions of the first positioning pin and the second positioning pin are perpendicular to the top surface of the base plate, the first positioning pin is arranged on the left side or the right side of the middle part of the base plate, and the 2 second positioning pins are respectively arranged at the left end and the right end of the rear part of the base plate;
the drilling template is arranged on the top surfaces of the vertical plates, and two ends of the drilling template are respectively connected with 2 vertical plates through bolts; the base plate is arranged under the drill jig plate and is connected with the bottom plate through bolts, the positions of the plurality of chip removal through holes correspond to the positions of the plurality of drill jig holes one by one, and the positions of the plurality of chip removal through holes correspond to the positions of the plurality of chip removal through holes one by one; the pressing plate is arranged between the drill jig plate and the base plate, the lower end of the double-threaded screw penetrates through the second through hole to be connected with the first threaded hole, the upper end of the double-threaded screw extends out of the top surface of the pressing handle, the first locking nut is sleeved on the threaded section at the lower end of the double-threaded screw, the pressing nut is sleeved on the threaded section at the upper end of the double-threaded screw, the pressing nut is arranged on the upper side of the pressing handle, the spring is sleeved on the double-threaded screw, two ends of the spring are respectively in contact with the bottom surface of the pressing handle and the top surface of the first locking nut, and the spring is always in a compressed state; the threaded end of the single-head screw is connected with the second threaded hole, the second locking nut is sleeved on the threaded section of the single-head screw, and the top surface of the single-head screw is in contact with the bottom surface of the pressure applying handle;
after the support plate is positioned and clamped on the clamp, the positions of the mounting holes to be processed correspond to the positions of the drill jig holes one by one.
Preferably, a bushing is arranged between the drill bushing and the drill jig hole.
Due to the adoption of the technical scheme, the utility model discloses following advantage has: the clamp can clamp and loosen the support plate only by screwing the pressing nut, the support plate can be conveniently and quickly positioned through the cylindrical surfaces of the three positioning pins on the base plate, a plurality of support plates can be clamped and simultaneously machined at one time, and the clamp is convenient to operate, low in labor intensity and high in production efficiency.
Drawings
The drawings of the present invention are described below.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a left side view of FIG. 1;
fig. 4 is a schematic diagram of the three-dimensional structure of the present invention.
In the figure: 1. a base; 2. drilling a template; 3. a hold-down mechanism; 4. a base plate; 5. a mounting plate; 6. a baffle plate; 11. a base plate; 12. a vertical plate; 13. connecting holes; 14. a chip groove; 21. drilling a sleeve; 22. a bushing; 31. pressing a plate; 32. a double-ended screw; 33. a first lock nut; 34. a spring; 35. a pressure applying nut; 36. a single-ended screw; 37. a second lock nut; 41. a first positioning pin; 42. a second positioning pin; 311. pressing a plate; 312. pressing the handle; 313. and (5) auxiliary pressing plates.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
The fixture for hole machining of the support plate of the automotive intermediate axle differential shown in fig. 1 to 4 is used for clamping and fixing the support plate 5 on a workbench of hole machining equipment so as to machine a plurality of mounting holes on the support plate 5, and comprises a base 1, a drill plate 2, a pressing mechanism 3 and a base plate 4;
the base 1 comprises a bottom plate 11, 2 vertical plates 12 are arranged on the top surface of the bottom plate 11, the 2 vertical plates 12 are arranged at the left end and the right end of the front part of the bottom plate 11, and the 2 vertical plates 12 are arranged in a left-right symmetrical mode; the top surface of the bottom plate 11 is provided with 2 connecting holes 13 used for being connected with a hole machining equipment working platform, and the 2 connecting holes 13 are arranged at the left end and the right end of the middle part of the bottom plate 11; a first threaded hole is formed in the middle of the top surface of the bottom plate 11, a second threaded hole is formed in the rear part of the top surface of the bottom plate 11, and the second threaded hole is opposite to the first threaded hole in position; the top surface of the vertical plate 12 is provided with 2 third threaded holes for connecting with the drilling template 2; a chip removal groove 14 is formed in the bottom surface of the front portion of the bottom plate 11, a plurality of chip removal through holes are formed in the groove bottom surface of the chip removal groove 14, and the hole diameter of each chip removal through hole is matched with the diameter of a drill bit of hole machining equipment; a fourth threaded hole used for being connected with the backing plate 4 is further formed in the top surface of the front part of the bottom plate 11;
two ends of the drilling template 2 are respectively provided with 2 first through holes for connecting with the vertical plate 12, the middle part of the drilling template 2 is provided with a plurality of drilling template holes, drilling sleeves 21 are arranged in the drilling template holes, and the aperture size of the drilling sleeves 21 is matched with the diameter size of the drill bit; a bushing 22 is arranged between the drill bushing 21 and the drill jig hole;
the pressing mechanism 3 comprises a pressing plate 31, a double-end screw rod 32, a first locking nut 33, a spring 34, a pressing nut 35, a single-end screw rod 36 and a second locking nut 37; the pressing plate 31 comprises a pressing plate 311 and a pressing handle 312, one end of the pressing handle 312 is fixedly connected with the middle of the rear side surface of the pressing plate 311, a second through hole is formed in the front part of the pressing handle 312, and the aperture size of the second through hole is matched with the diameter size of the double-threaded screw 32; since the thickness of the support plate 5 is small, and is usually only 2.5mm, in order to prevent the support plate 5 from bending or deforming during the drilling process, the bottom surface of the pressing plate 311 is provided with an auxiliary pressing plate 313, and the length of the auxiliary pressing plate 313 is matched with the length of the support plate 5; as shown in fig. 1, in this embodiment, for the convenience of processing, the auxiliary pressing plate 313 is made as a separate piece, two ends of the auxiliary pressing plate 313 are respectively connected to the drilling template 2 through a set of spring tensioning devices, so that the upper side of the auxiliary pressing plate 313 is always attached to the lower side of the pressing plate 311, so that the auxiliary pressing plate 313 and the pressing plate 311 are lifted and lowered simultaneously, and in fact, the auxiliary pressing plate 313 may also be connected to the pressing plate 311 by welding.
The top surface of the backing plate 4 is provided with a third through hole used for being connected with the bottom plate 11, the top surface of the backing plate 4 is also provided with a plurality of chip removal through holes, the size of each chip removal through hole is matched with the diameter of the drill bit, the top surface of the backing plate 4 is provided with 1 first positioning pin 41 and 2 second positioning pins 42, the axial directions of the first positioning pin 41 and the second positioning pin 42 are both vertical to the top surface of the backing plate 4, the first positioning pin 41 is arranged on the left side or the right side of the middle part of the backing plate 4, and the 2 second positioning pins 42 are respectively arranged at the left end and the right end of the rear part of the backing plate 4;
the drilling template 2 is arranged on the top surface of the vertical plate 12, and two ends of the drilling template 2 are respectively connected with the 2 vertical plates 12 through bolts; the base plate 4 is arranged under the drill jig plate 2, the base plate 4 is connected with the bottom plate 11 through bolts, the positions of the plurality of chip removal through holes correspond to the positions of the plurality of drill jig holes one by one, and the positions of the plurality of chip removal through holes correspond to the positions of the plurality of chip removal through holes one by one; the pressing plate 311 is arranged between the drill plate 2 and the backing plate 4, the lower end of the double-threaded screw 32 passes through the second through hole and is connected with the first threaded hole, the upper end of the double-threaded screw 32 extends out of the top surface of the pressing handle 312, the first locking nut 33 is sleeved on the threaded section at the lower end of the double-threaded screw 32, the pressing nut 35 is sleeved on the threaded section at the upper end of the double-threaded screw 32, the pressing nut 35 is arranged on the upper side of the pressing handle 312, the spring 34 is sleeved on the double-threaded screw 32, two ends of the spring 34 are respectively contacted with the bottom surface of the pressing handle 312 and the top surface of the first locking nut 33, and the spring 34 is always in a compressed state; the threaded end of the single-head screw 36 is connected with the second threaded hole, the second locking nut 37 is sleeved on the threaded section of the single-head screw 36, and the top surface of the single-head screw 36 is in contact with the bottom surface of the pressure applying handle 312;
after the support plate 5 is positioned and clamped on the clamp, the positions of the mounting holes to be processed correspond to the positions of the drill jig holes one by one.
In order to prevent the support plate 5 from rotating in the drilling process, a baffle plate 6 is further arranged on the front side surface of the bottom plate 11, and the baffle plate 6 is connected with the bottom plate 11 through bolts.
When the device is used, firstly, 2 connecting holes 13 of the base are aligned with 2 holes on the working platform, and then the base is connected and fixed by bolts. Loosening the connecting bolts of the baffle 6 to remove the baffle 6, then loosening the pressing nuts 35 to lift the pressing plates 311 and the auxiliary pressing plates 313 of the pressing plates 31 to the limit positions under the action of spring force, then stacking a plurality of bracket plates 5 to be processed on the backing plate 4 to enable the edges of the bracket plates 5 to be aligned with the side surfaces of the first positioning pins 41 and the 2 second positioning pins 42, then screwing the pressing nuts 35 to enable the pressing plates 311 and the auxiliary pressing plates 313 to tightly press and fix the bracket plates 5, then installing the baffle 6, and finishing clamping the bracket plates 5. After the hole machining is finished, the pressing nut 35 is unscrewed, so that the pressing plate 311 of the pressing plate 31 is lifted to the limit position under the action of the spring force, the baffle 6 is removed, the support plate 5 is taken down, and the hole machining of the support plate 5 is completed.
Claims (2)
1. The utility model provides an anchor clamps that is used for carrying out spot facing work to automobile intermediate axle differential's mounting panel, anchor clamps are used for with mounting panel (5) centre gripping is fixed to the workstation of spot facing work equipment to a plurality of mounting holes to on mounting panel (5) are processed its characterized in that: the clamp comprises a base (1), a drilling template (2), a pressing mechanism (3) and a base plate (4);
the base (1) comprises a bottom plate (11), 2 vertical plates (12) are arranged on the top surface of the bottom plate (11), the 2 vertical plates (12) are arranged at the left end and the right end of the front part of the bottom plate (11), and the 2 vertical plates (12) are arranged in a left-right symmetrical mode; the top surface of the bottom plate (11) is provided with 2 connecting holes (13) used for being connected with a working platform of hole machining equipment, and the 2 connecting holes (13) are arranged at the left end and the right end of the middle part of the bottom plate (11); a first threaded hole is formed in the middle of the top surface of the bottom plate (11), a second threaded hole is formed in the rear part of the top surface of the bottom plate (11), and the second threaded hole is opposite to the first threaded hole in position; the top surface of the vertical plate (12) is provided with 2 third threaded holes for connecting with the drilling template (2); a chip removal groove (14) is formed in the bottom surface of the front portion of the bottom plate (11), a plurality of chip removal through holes are formed in the groove bottom surface of the chip removal groove (14), and the hole diameter of each chip removal through hole is matched with the diameter of a drill bit of hole machining equipment; a fourth threaded hole used for being connected with the backing plate (4) is further formed in the top surface of the front part of the bottom plate (11);
two ends of the drilling template (2) are respectively provided with 2 first through holes used for being connected with the vertical plate (12), the middle part of the drilling template (2) is provided with a plurality of drilling template holes, drilling sleeves (21) are arranged in the drilling template holes, and the aperture size of each drilling sleeve (21) is matched with the diameter size of the drill bit;
the pressing mechanism (3) comprises a pressing plate (31), a double-end screw rod (32), a first locking nut (33), a spring (34), a pressing nut (35), a single-end screw rod (36) and a second locking nut (37); the pressing plate (31) comprises a pressing plate (311) and a pressing handle (312), one end of the pressing handle (312) is fixedly connected with the middle of the rear side surface of the pressing plate (311), a second through hole is formed in the front of the pressing handle (312), and the aperture size of the second through hole is matched with the diameter size of the double-end screw (32); an auxiliary pressing plate (313) is arranged on the bottom surface of the pressing plate (311), and the length of the auxiliary pressing plate (313) is matched with that of the support plate (5);
the top surface of the backing plate (4) is provided with a third through hole used for being connected with the bottom plate (11), the top surface of the backing plate (4) is further provided with a plurality of chip removal through holes, the size of the chip removal through holes is matched with the diameter of the drill bit, the top surface of the backing plate (4) is provided with 1 first positioning pin (41) and 2 second positioning pins (42), the axial directions of the first positioning pin (41) and the second positioning pin (42) are both vertical to the top surface of the backing plate (4), the first positioning pin (41) is arranged on the left side or the right side of the middle part of the backing plate (4), and the 2 second positioning pins (42) are respectively arranged at the left end and the right end of the rear part of the backing plate (4);
the drilling template (2) is arranged on the top surface of the vertical plate (12), and two ends of the drilling template (2) are respectively connected with the 2 vertical plates (12) through bolts; the base plate (4) is arranged under the drill jig plate (2), the base plate (4) is connected with the bottom plate (11) through bolts, the positions of the plurality of chip removal through holes correspond to the positions of the plurality of drill jig holes one by one, and the positions of the plurality of chip removal through holes correspond to the positions of the plurality of chip removal through holes one by one; the pressing plate (311) is arranged between the drill plate (2) and the backing plate (4), the lower end of the double-threaded screw (32) penetrates through the second through hole to be connected with the first threaded hole, the upper end of the double-threaded screw (32) extends out of the top surface of the pressing handle (312), the first locking nut (33) is sleeved on a threaded section of the lower end of the double-threaded screw (32), the pressing nut (35) is sleeved on a threaded section of the upper end of the double-threaded screw (32), the pressing nut (35) is arranged on the upper side of the pressing handle (312), the spring (34) is sleeved on the double-threaded screw (32), two ends of the spring (34) are respectively contacted with the bottom surface of the pressing handle (312) and the top surface of the first locking nut (33), and the spring (34) is always in a compressed state; the threaded end of the single-head screw (36) is connected with the second threaded hole, the second locking nut (37) is sleeved on the threaded section of the single-head screw (36), and the top surface of the single-head screw (36) is in contact with the bottom surface of the pressure applying handle (312);
after the support plate (5) is positioned and clamped on the clamp, the positions of the mounting holes to be processed correspond to the positions of the drill jig holes one by one.
2. The jig for hole-machining a carrier plate of an inter-axle differential in an automobile according to claim 1, characterized in that: and a bushing (22) is arranged between the drill bushing (21) and the drill jig hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022472598.8U CN213469694U (en) | 2020-10-31 | 2020-10-31 | Clamp for processing holes in bracket plate of inter-axle differential of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022472598.8U CN213469694U (en) | 2020-10-31 | 2020-10-31 | Clamp for processing holes in bracket plate of inter-axle differential of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213469694U true CN213469694U (en) | 2021-06-18 |
Family
ID=76368870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022472598.8U Active CN213469694U (en) | 2020-10-31 | 2020-10-31 | Clamp for processing holes in bracket plate of inter-axle differential of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213469694U (en) |
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2020
- 2020-10-31 CN CN202022472598.8U patent/CN213469694U/en active Active
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Address after: 400900 No.1, Nanhuan Avenue, Shuangqiao economic and Technological Development Zone, Dazu District, Chongqing Patentee after: SAIC Hongyan Axle (Chongqing) Co.,Ltd. Address before: 400900 No.1, Nanhuan Avenue, Shuangqiao economic and Technological Development Zone, Dazu District, Chongqing Patentee before: SAIC-IVECO HONGYAN COMMERCIAL VEHICLE CO.,LTD. |