CN216461951U - Special bolt positioning and punching tool for excavator - Google Patents
Special bolt positioning and punching tool for excavator Download PDFInfo
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- CN216461951U CN216461951U CN202123087876.9U CN202123087876U CN216461951U CN 216461951 U CN216461951 U CN 216461951U CN 202123087876 U CN202123087876 U CN 202123087876U CN 216461951 U CN216461951 U CN 216461951U
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- bolt
- positioning sleeve
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Abstract
The utility model relates to a special bolt location frock of punching of excavator, which comprises a base, the adapter sleeve, bolt head positioning seat and ejector pin, the chassis is the dull and stereotyped structure of I shape, open both sides have the elongated slot, fixed surface connects the adapter sleeve on the chassis, fixed mounting has the bolt head positioning seat on the chassis of adapter sleeve front end, the adapter sleeve is the tourus, the side of tourus is connected with the chassis, adapter sleeve's lateral wall processing has the through-hole, the welding has the nut in the through-hole outside, the ejector pin is the handle other end screwed stock for one end, the screw thread and the nut cooperation of ejector pin, processing has the locating hole of lining up perpendicularly to the chassis upper surface directly over the adapter sleeve lateral wall, the bolt head positioning seat is the rectangle, the upper surface of bolt head positioning seat cooperatees with the side plane of the bolt head of work piece. The utility model discloses simple structure, convenient to use punches the location and is accurate fast, has improved production efficiency, reduces workman's intensity of labour, has reduced manufacturing cost.
Description
Technical Field
The utility model belongs to the technical field of the bolt processing frock, in particular to dedicated location frock of punching that has the bolt of oil filler point of excavator.
Background
Among the mechanical equipment, the bolt belongs to the main connecting piece of connecting two structural component, especially is used for the bolt on the excavator, and in daily use, because operational environment is moist, cause the bolt rust to die easily, can't dismantle the change, influences work efficiency. Therefore, the special bolt similar to the oil return bolt is generally used at present to prevent the bolt from being rusted by injecting oil into the oil injection hole, but the bolt is not a standard part and needs to be specially made, a through hole needs to be drilled on a screw rod in the bolt machining process, and the lower part of the bolt is flattened at present, and then a drill bit is manually operated to carry out alignment drilling.
Disclosure of Invention
The utility model provides a technical problem provide a special bolt location frock of punching of excavator, solved the drilling location difficulty, the unstable problem of bolt position.
The utility model adopts the technical proposal that: a special bolt positioning and punching tool for an excavator comprises a chassis, a positioning sleeve, a bolt head positioning seat and an ejector rod, the chassis is of an I-shaped flat plate structure, elongated slots are formed in two sides of the chassis, a positioning sleeve is fixedly connected to the upper surface of the chassis, a bolt head positioning seat is fixedly arranged on a chassis at the front end of the positioning sleeve, the positioning sleeve is a ring body, the side surface of the ring body is connected with the chassis, a through hole is processed on the side wall of the positioning sleeve, the outer side of the through hole is welded with a nut, the ejector rod is a long rod with one end being a handle and the other end being provided with threads, the thread of the mandril is matched with the nut, a positioning hole which vertically penetrates through the upper surface of the chassis is processed right above the side wall of the positioning sleeve, the inner diameter of the positioning sleeve is slightly larger than the maximum diameter of the screw rod of the workpiece, the bolt head positioning seat is rectangular, and the upper surface of the bolt head positioning seat is matched with the side plane of the bolt head of the workpiece.
The technical effects are as follows: the screw rod of work piece is located the position sleeve inside, and the lower surface and the side of bolt head just with the preceding terminal surface of position sleeve and the upper surface contact location of bolt head positioning seat for punch the location accurate unanimous, the work piece is steadily fixed on the frock.
Further optimizing, the distance between the positioning hole and the front end face of the positioning sleeve is equal to the distance between a hole to be machined of the workpiece and the lower surface of the bolt head.
The technical effects are as follows: the punching efficiency is improved, and after the workpiece is placed at the designated position on the tool, the position of the positioning hole is the punching position designed by the workpiece.
Further optimization, the chassis is fixed with a workbench of the drilling machine through a bolt assembly, a bolt penetrates through an elongated slot of the chassis, a nut is screwed down and pressed on the upper surface of the chassis, and a gasket is arranged between the nut and the chassis.
The technical effects are as follows: the whole tool is convenient to mount and dismount, and can be conveniently used on various drilling machines.
Further optimizing, the inner diameter of the positioning sleeve is larger than the maximum value of the diameter of the screw rod of the workpiece by 1-2 mm.
The technical effects are as follows: the workpiece is convenient to mount and dismount, and the surface of the workpiece is not easy to damage.
The utility model has the advantages that: the utility model discloses simple structure, convenient to use punches the location and is accurate fast, has improved production efficiency, reduces workman's intensity of labour, has reduced manufacturing cost.
Drawings
FIG. 1 is a front view of a bolt positioning and punching tool special for an excavator;
FIG. 2 is a top view of a bolt positioning and punching tool special for an excavator;
FIG. 3 is a schematic structural view of a workpiece when the workpiece is installed in the tool;
fig. 4 is a schematic sectional structure view of a workpiece when the workpiece is loaded into the tool.
Reference numerals: 1-a chassis, 2-a positioning sleeve, 3-a bolt head positioning seat, 4-an ejector rod, 5-a workpiece, 201-a nut and 202-a positioning hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It is at first right the utility model discloses a brief explanation is made to the work piece structure that will process, and the work piece is excavator special bolt, including bolt head and screw rod, the shape of bolt head is as shown in fig. 3, and the main part is the face of cylinder both sides processing into the plane, and the shape of screw rod is as shown in fig. 4, for reducing screw rod, the screw rod front end portion diameter that is connected with the bolt head is great and be the polished rod, and screw rod rear end portion diameter is less, and is the polished rod with screw rod front end portion junction, and the rear end portion divide into the threaded rod. The position to be punched by the utility model is a through hole which passes through the axis of the screw rod and is processed on the side surface of the polish rod with the larger diameter of the front end part of the screw rod.
As shown in fig. 1 and 2, the special bolt positioning and punching tool for the excavator comprises a chassis 1, a positioning sleeve 2, a bolt head positioning seat 3 and an ejector rod 4, wherein the chassis 1 is of an i-shaped flat plate structure, elongated grooves are formed in two sides of the chassis 1, the chassis 1 is fixed with a workbench of a drilling machine through a bolt assembly, a bolt penetrates through the elongated grooves of the chassis 1, a nut is screwed down and pressed on the upper surface of the chassis 1 for fixing, and a gasket is arranged between the nut and the chassis 1. Fixed surface connects positioning sleeve 2 on 1 chassis, fixed mounting has bolt head positioning seat 3 on 1 chassis of 2 front ends of positioning sleeve, positioning sleeve 2 is the tourus, the side of tourus is connected with chassis 1, positioning sleeve 2's lateral wall processing has the through-hole, the welding of the through-hole outside has nut 201, ejector pin 4 is the stock that the handle other end screwed for one end, ejector pin 4's screw thread and nut 201 cooperation, processing has the locating hole 202 of lining up to 1 upper surface in chassis perpendicularly directly over positioning sleeve 2 lateral wall, positioning sleeve 2's internal diameter is greater than the screw rod diameter maximum value 1 ~ 2mm of work piece 5, the distance of locating hole 202 and 2 preceding terminal surfaces of positioning sleeve equals the distance of the hole that work piece 5 waited to process and bolt head lower surface. The bolt head positioning seat 3 is rectangular, and the upper surface of the bolt head positioning seat 3 is matched with the side plane of the bolt head of the workpiece 5. The screw rod of the workpiece 5 is located inside the positioning sleeve 2, the lower surface of the bolt head of the workpiece 5 is in contact with the front end face of the positioning sleeve 2, the side plane of the bolt head of the workpiece 5 is in contact with the upper surface of the bolt head positioning seat 3 for positioning, the width of the upper surface of the bolt head positioning seat 3 is the same as the thickness of the bolt head of the workpiece 5, and when the upper surface of the bolt head of the workpiece 5 is level with the side face of the bolt head positioning seat 3, the workpiece 5 is placed at a specified position on the tool. The position of the pilot hole 202 at this time is the designed punching position of the workpiece 5.
When the tool is used, the tool is firstly integrally placed on a workbench of a drilling machine, the chassis 1 is fixed on the table surface of the workbench, then a screw of a workpiece 5 is arranged in the positioning sleeve 2, a plane on one side of a bolt head of the workpiece 5 is in surface contact with the upper surface of the bolt head positioning seat, the workpiece 5 is placed on the tool and is positioned in a designated position, the lower end of the ejector rod is pushed onto the workpiece 5 by rotating the handle at the upper end of the ejector rod 4, the workpiece 5 is tightly pushed and fixed, then the position of the drill bit is controlled, the drill bit is positioned at the positioning hole 202, drilling is started, the workpiece 5 is drilled through, the drill bit is moved out of the tool, the workpiece 5 is taken out by rotating the handle of the ejector rod 4, another workpiece 5 to be machined is replaced, and the drilling operation is carried out by continuously repeating the steps.
The basic principles and main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the description of the above embodiments and the description is only illustrative of the principles of the present invention, and that the present invention can be modified in various ways without departing from the spirit and scope of the present invention, and that these modifications and changes fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a special bolt location frock of punching of excavator which characterized in that: the bolt head positioning device comprises a chassis (1), a positioning sleeve (2), a bolt head positioning seat (3) and an ejector rod (4), wherein the chassis (1) is of an I-shaped flat plate structure, two sides of the chassis are provided with elongated grooves, the upper surface of the chassis (1) is fixedly connected with the positioning sleeve (2), the chassis (1) at the front end of the positioning sleeve (2) is fixedly provided with the bolt head positioning seat (3), the positioning sleeve (2) is a ring body, the side surface of the ring body is connected with the chassis (1), the side wall of the positioning sleeve (2) is processed with a through hole, the outer side of the through hole is welded with a nut (201), the ejector rod (4) is a long rod with a thread at the other end of a handle, the thread of the ejector rod (4) is matched with the nut (201), a positioning hole (202) which vertically penetrates through the upper surface of the chassis (1) is processed right above the side wall of the positioning sleeve (2), the inner diameter of the positioning sleeve (2) is slightly larger than the maximum value of the screw diameter of a workpiece (5), the bolt head positioning seat (3) is rectangular, and the upper surface of the bolt head positioning seat (3) is matched with the side plane of the bolt head of the workpiece (5).
2. The special bolt positioning and punching tool for the excavator according to claim 1, and is characterized in that: the distance between the positioning hole (202) and the front end face of the positioning sleeve (2) is equal to the distance between a hole to be machined of the workpiece (5) and the lower surface of the bolt head.
3. The special bolt positioning and punching tool for the excavator of claim 1, and is characterized in that: the base plate (1) is fixed with a workbench of drilling machinery through a bolt assembly, a bolt penetrates through an elongated slot of the base plate (1), a nut is screwed down and pressed on the upper surface of the base plate (1), and a gasket is arranged between the nut and the base plate (1).
4. The special bolt positioning and punching tool for the excavator according to claim 1, and is characterized in that: the inner diameter of the positioning sleeve (2) is larger than the maximum value of the screw diameter of the workpiece (5) by 1-2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123087876.9U CN216461951U (en) | 2021-12-09 | 2021-12-09 | Special bolt positioning and punching tool for excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123087876.9U CN216461951U (en) | 2021-12-09 | 2021-12-09 | Special bolt positioning and punching tool for excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216461951U true CN216461951U (en) | 2022-05-10 |
Family
ID=81421278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123087876.9U Active CN216461951U (en) | 2021-12-09 | 2021-12-09 | Special bolt positioning and punching tool for excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216461951U (en) |
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2021
- 2021-12-09 CN CN202123087876.9U patent/CN216461951U/en active Active
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