CN219966523U - Double semicircle combined boring automatic clamp - Google Patents
Double semicircle combined boring automatic clamp Download PDFInfo
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- CN219966523U CN219966523U CN202223559757.3U CN202223559757U CN219966523U CN 219966523 U CN219966523 U CN 219966523U CN 202223559757 U CN202223559757 U CN 202223559757U CN 219966523 U CN219966523 U CN 219966523U
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- 238000001514 detection method Methods 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000002265 prevention Effects 0.000 abstract description 3
- 238000012797 qualification Methods 0.000 abstract 1
- 238000003754 machining Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Drilling And Boring (AREA)
Abstract
The utility model relates to a double semicircle combined boring automatic clamp, which comprises a base, a positioning block, a positioning pin and an oil cylinder, wherein the positioning block, the positioning pin and the oil cylinder are arranged on the base; the positioning block comprises at least one pair of symmetrically arranged positioning blocks and has an air detection error prevention function; interference fit of the locating pin; the oil cylinder is provided with a pressure head. The utility model can realize simultaneous processing of two parts, and is provided with the gas detection error-proofing function, thereby greatly improving the product qualification rate, saving the processing cost, improving the production efficiency and having great practicability in practical use.
Description
Technical Field
The utility model belongs to the technical field of tool clamps, and relates to a clamp, in particular to a double-semicircle combined boring automatic clamp for automatic machining of a main bearing cap of an automobile engine.
Background
In an automobile, an engine is an absolute core component, and corresponds to the heart of the automobile. The bearing cover is used as one of core parts of the automobile engine and is used for fixing the engine crankshaft and the cylinder body together. The assembly precision of the engine is directly determined by the machining precision, so that the stability and the safety of the quality of the engine are further influenced. To a great extent, there is an important correlation between whether a vehicle can run safely and stably and the accuracy of the assembly of the vehicle engine. Therefore, the machining precision of the main bearing cap of the engine is crucial, and the machining fixture is used as a necessary condition for the machining precision assurance capability of the bearing cap, and the reliability of the structure and the function of the machining fixture directly determines the machining precision of parts. The optimization of the processing technology of the core parts of the automobile is a work which needs to be completed in order to better perfect and improve the overall reliability of the automobile. Not only is the safety performance and related aspects of the automobile improved, but also the manufacturing enterprises need to improve the workpieces on the basis of reducing the cost.
The existing main bearing cap is low in machining efficiency, so that the main bearing cap has the most direct influence on the delivery efficiency of the main bearing cap, the production cost of the main bearing cap is greatly higher, and finally in the production process, the lower machining efficiency enables the energy consumption cost, the quality cost and the management cost of machining to be higher.
Therefore, continuous optimization and improvement of key factors such as machining process flow, tooling fixture structure and the like which mainly influence machining efficiency and quality have become a permanent subject of machining enterprises.
Disclosure of Invention
Aiming at the problems in the background technology, the utility model provides a double-semicircle combined boring automatic clamp which is particularly suitable for processing a main bearing cap of an automobile engine.
The utility model is realized by the following technical scheme:
the double semicircular combined boring automatic clamp comprises a base, and a positioning pin, a positioning block and an oil cylinder which are arranged on the base; the base is provided with a platform structure and is provided with an oil way and an assembly hole; the positioning blocks have an air detection error-proofing function and comprise at least one pair of symmetrically arranged positioning blocks which are longitudinally arranged on two sides of the base platform; the positioning pin is vertically installed on the platform of the base in an interference manner and is positioned on the inner side of the positioning block, and a guide and threaded hole is formed in the top end of the positioning pin, so that the part can be clamped conveniently and the positioning pin can be taken out conveniently; the oil cylinders are communicated with the oil paths of the base, are respectively positioned at the outer sides of the positioning blocks, and are connected with a one-way pressure head through pin shafts.
The double semicircle closes boring automatic clamp, wherein: the positioning block comprises a first positioning block and a second positioning block; the first positioning block and the second positioning block are fixed on two sides of the platform through fasteners, bosses with inclined top surfaces are arranged at two ends of the platform, air detection holes are respectively arranged at one ends of the platform, and a first positioning groove and a second positioning groove are formed in the inner side of the middle of the platform.
The double semicircle closes boring automatic clamp, wherein: the positioning pins comprise a first positioning pin and a second positioning pin; the first positioning pin is assembled in a first positioning groove of the first positioning block; the second locating pin is assembled in a second locating groove of the second locating block.
The double semicircle closes boring automatic clamp, wherein: the locating pin is of a step structure, the lower part of the locating pin is matched with the structures of the locating grooves of the first locating block and the second locating block, and the upper part of the locating pin protrudes upwards.
The double semicircle closes boring automatic clamp, wherein: the oil cylinder comprises a first oil cylinder and a second oil cylinder; the first oil cylinder and the second oil cylinder are symmetrically arranged on the platform of the base and are respectively positioned at the outer sides of the first positioning block and the second positioning block.
The double semicircle closes boring automatic clamp, wherein: the first oil cylinder and the second oil cylinder are lever oil cylinders and are respectively connected with a first pressure head and a second pressure head.
The beneficial effects are that:
the fixture is provided with the gas detection error prevention function, so that the product percent of pass is greatly improved, the processing cost is saved, the production efficiency is improved, and the fixture has high practicability in practical use. Simultaneously, the device can realize processing of two parts simultaneously, greatly improves the production efficiency, and effectively improves the equipment utilization rate so as to save the input cost and increase the benefit for enterprises.
Drawings
FIG. 1 is an isometric view of an unfilled part of the double semi-circle closed boring automatic clamp of the present utility model in an open state;
FIG. 2 is an isometric view of the double semi-circle combined boring automatic clamp of the present utility model in a compressed state with parts installed;
FIG. 3 is a front view of the double semi-circle combined boring automatic fixture of the present utility model with parts installed;
FIG. 4 is a top view of the mounted parts of the double semi-circle combined boring automatic fixture of the present utility model.
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.
As shown in fig. 1 to 4, the double semicircle boring automatic clamp comprises a base 1, a positioning block 2, a positioning pin 3 and an oil cylinder 4;
the base 1 has a platform 11 structure provided with an oil passage 12 and an assembly hole.
The positioning blocks 2 are provided with at least one pair of symmetrically arranged, are longitudinally arranged on the platform of the base 1, are fixed on two sides of the platform through fasteners, have an air detection error prevention function and at least comprise a first positioning block 21 and a second positioning block 22; the two ends of the first positioning block 21 and the second positioning block 22 are respectively provided with a boss with an inclined top surface, one end of the boss is respectively provided with an air detection hole, and the inner side of the middle part of the boss is provided with a first positioning groove 211 and a second positioning groove 221.
The locating pin 3 is vertically installed on a platform of the base 1 in an interference manner, a guide and threaded hole is formed in the top end of the locating pin, and the locating pin is convenient to clamp and take out a part and comprises a first locating pin 31 and a second locating pin 32; the first positioning pin 31 is fitted in the first positioning groove 211 of the first positioning block 21; the second positioning pin 32 is fitted in the second positioning groove 221 of the second positioning block 22; the positioning pin 3 is preferably in a step structure, the lower part of the positioning pin is matched with the structure of the positioning groove, and the upper part of the positioning pin protrudes upwards.
The oil cylinder 4 is arranged on the platform of the base 1 and is connected with a unidirectional pressure head through a pin shaft, and comprises a first oil cylinder 41 and a second oil cylinder 42; the first oil cylinder 41 and the second oil cylinder 42 are symmetrically arranged on the platform of the base 1 and are respectively positioned outside the first positioning block 21 and the second positioning block 22; the first oil cylinder 41 and the second oil cylinder 42 are lever oil cylinders, are communicated with an oil path of the base 1, and are respectively connected with the first pressure head 33 and the second pressure head 34.
The specific working process and principle of the clamp are as follows:
the double semicircle combined boring automatic clamp of the embodiment is characterized in that firstly, the whole set of clamp is placed on a machining platform of a numerical control special machine tool, after the platform of a base 1 is fixed by bolts, in the clamp opening state, a truss manipulator air gun quickly cleans the clamp; the semicircular holes of the parts 5 are upward, the semicircular holes of the parts 6 are downward and are combined together and placed on a platform, two folded parts are placed on a clamp by a truss manipulator, two bolt holes in the middle of the parts 5 and 6 penetrate through two positioning pins 3 on the clamp, if an alarm prompt appears on a control panel of equipment and an alarm lamp is on in the whole part clamping process, the positioning surfaces are not attached in the part clamping process, at the moment, the states of the positioning surfaces of the clamp and the positioning surfaces of the parts are required to be checked, and whether burrs exist or scrap iron is filled and cleaned up until the part clamping is completed; then pressing the clamp tightening button on the equipment, at the moment, the pistons of the first oil cylinder 31 and the second oil cylinder 32 extend out, the first pressure head 33 and the second pressure head 34 respectively compress the part 5 and the part 6, the part is completely limited, then starting the equipment to start to simultaneously process semicircular holes of the part 5 and the part 6, and the set processing procedure of the device is completed.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a two semicircle closes boring automatic clamp which characterized in that: the clamp comprises a base, a positioning pin arranged on the base, a positioning block and an oil cylinder;
the base is provided with a platform structure and is provided with an oil way and an assembly hole;
the positioning blocks have an air detection error-proofing function and comprise at least one pair of symmetrically arranged positioning blocks which are longitudinally arranged on two sides of the base platform;
the positioning pin is vertically installed on the platform of the base in an interference manner and is positioned on the inner side of the positioning block, and a guide and threaded hole is formed in the top end of the positioning pin, so that the part can be clamped conveniently and the positioning pin can be taken out conveniently;
the oil cylinders are communicated with the oil paths of the base, are respectively positioned at the outer sides of the positioning blocks, and are connected with a one-way pressure head through pin shafts.
2. The double semi-circle combined boring automatic fixture according to claim 1, wherein: the positioning block comprises a first positioning block and a second positioning block;
the first positioning block and the second positioning block are fixed on two sides of the platform through fasteners, bosses with inclined top surfaces are arranged at two ends of the platform, air detection holes are respectively arranged at one ends of the platform, and a first positioning groove and a second positioning groove are formed in the inner side of the middle of the platform.
3. The double semi-circle combined boring automatic fixture according to claim 2, wherein: the positioning pins comprise a first positioning pin and a second positioning pin; the first positioning pin is assembled in a first positioning groove of the first positioning block; the second locating pin is assembled in a second locating groove of the second locating block.
4. The double semi-circle combined boring automatic fixture according to claim 2, wherein: the locating pin is of a step structure, the lower part of the locating pin is matched with the structures of the locating grooves of the first locating block and the second locating block, and the upper part of the locating pin protrudes upwards.
5. The double semi-circle combined boring automatic fixture according to claim 2, wherein: the oil cylinder comprises a first oil cylinder and a second oil cylinder; the first oil cylinder and the second oil cylinder are symmetrically arranged on the platform of the base and are respectively positioned at the outer sides of the first positioning block and the second positioning block.
6. The double semi-circle combined boring automatic fixture according to claim 5, wherein: the first oil cylinder and the second oil cylinder are lever oil cylinders and are respectively connected with a first pressure head and a second pressure head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223559757.3U CN219966523U (en) | 2022-12-30 | 2022-12-30 | Double semicircle combined boring automatic clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223559757.3U CN219966523U (en) | 2022-12-30 | 2022-12-30 | Double semicircle combined boring automatic clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219966523U true CN219966523U (en) | 2023-11-07 |
Family
ID=88595550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223559757.3U Active CN219966523U (en) | 2022-12-30 | 2022-12-30 | Double semicircle combined boring automatic clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219966523U (en) |
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2022
- 2022-12-30 CN CN202223559757.3U patent/CN219966523U/en active Active
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