CN214237259U - Engine cylinder body finish boring bent axle hole anchor clamps - Google Patents
Engine cylinder body finish boring bent axle hole anchor clamps Download PDFInfo
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- CN214237259U CN214237259U CN202023211545.7U CN202023211545U CN214237259U CN 214237259 U CN214237259 U CN 214237259U CN 202023211545 U CN202023211545 U CN 202023211545U CN 214237259 U CN214237259 U CN 214237259U
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Abstract
The utility model discloses an engine cylinder body finish boring bent axle hole anchor clamps, including the base, be equipped with the first layer board that supports the cylinder body at the center of this base, the bilateral symmetry of first layer board is provided with the supporting shoe that is used for supporting the cylinder body bottom surface the rear side of base is provided with two at least adjustable locating pins that are used for stretching into jar hole realization cylinder body location the rear side of base still is provided with the positioning adjustment mechanism who is used for eliminating cylinder body positioning gap, both sides still are provided with at least three support cylinder that is used for supporting the cylinder body bottom surface respectively and at least three first lever cylinder that is used for compressing tightly the cylinder body from both sides around the base. The remarkable effects are as follows: the positioning is more accurate, and the processing precision of the product is high; effectively improves the production efficiency and reduces the labor intensity.
Description
Technical Field
The utility model relates to engine cylinder block processing technology field, concretely relates to engine cylinder block finish boring bent axle hole anchor clamps.
Background
The automobile engine cylinder body is generally manufactured by adopting a die-casting process. The cylinder body obtained by opening the die from the die-casting die is subjected to further processing, such as rough milling, finish milling of each assembly surface, finish boring of a crankshaft hole, a PCD hole and the like.
Prior art is when processing bent axle hole, generally is manual with the cylinder body from the outside clamping, then compresses tightly the cylinder body with 2 round hole clamp plates, and reuse spanner is clockwise screwed up 2 nuts in order to fix the cylinder body completely, has a great deal of problem:
1. the clamping of the automobile engine is time-consuming and labor-consuming;
2. the side surface, the end surface, the top surface and other large planes of the cylinder body are used for positioning, but during casting of a cylinder body blank, a cylinder sleeve core is easy to move relative to the two side surfaces, the two end surfaces, the top surface and the bottom surface of the cylinder body, and a cylinder hole also moves along with the cylinder core, and if the side surface, the two end surface top surface and the bottom surface are selected as processing positioning references, the central position of a crankshaft hole of the processed cylinder body can be moved, so that the product quality is influenced;
3. by adopting the processing mode, the cycle is long and the occupied equipment is large. Obviously, this results in large capital investment and resource consumption for the enterprise, places a heavy burden on the enterprise, and limits the processing and production scale of the engine.
Therefore, if a set of tool can be designed for the automobile engine, the working strength of clamping is reduced, the machining amount and the machining efficiency of a company in unit time are improved, and the equipment cost is reduced.
Disclosure of Invention
The utility model aims at providing a location is reliable, the machining precision is high, reduce working strength and improve machining efficiency's engine cylinder body finish boring bent axle hole anchor clamps.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an engine cylinder body finish boring bent axle hole anchor clamps which the key lies in: the cylinder body positioning device comprises a base, wherein a first supporting plate for supporting a cylinder body is arranged at the center of the base, supporting blocks for supporting the bottom surface of the cylinder body are symmetrically arranged on two sides of the first supporting plate, at least two adjustable positioning pins for extending into a cylinder hole to realize cylinder body positioning are arranged on the rear side of the base, a positioning adjusting mechanism for eliminating a cylinder body positioning gap is further arranged on the rear side of the base, and at least three supporting oil cylinders for supporting the bottom surface of the cylinder body and at least three first lever oil cylinders for pressing the cylinder body from two sides are further respectively arranged on the front side and the rear side of the base.
Furthermore, a second supporting plate is arranged below the first supporting plate, the first supporting plate is supported on the second supporting plate through a first lifting oil cylinder, and the second supporting plate is installed in an accommodating cavity formed in the center of the base through a second lifting oil cylinder.
Furthermore, at least one group of cutter brackets are arranged on the first supporting plate.
Furthermore, a second lever oil cylinder is further arranged on the base beside the supporting oil cylinder, and the second lever oil cylinder is arranged on the base in an inverted triangle shape.
Furthermore, the left side and the right side of the base are provided with pre-positioning blocks, a tool apron is arranged on the base outside the pre-positioning blocks, and a tool hole for fixing the tool is formed in the tool apron.
Furthermore, four lifting lugs in a trapezoidal arrangement are fixed on the base.
The utility model discloses a show the effect and be:
1. the positioning adjusting mechanism is provided with the pre-positioning blocks, the adjustable positioning pins and the positioning clearance elimination mechanism, so that the positioning of the cylinder body in multiple directions is realized, the positioning is more accurate through the positioning clearance elimination, the center position of a crankshaft hole of the processed cylinder body is accurate, and the processing precision of a product is high;
2. the hydraulic system with the clamp provides oil pressure driving, the action sequence of the positioning pin, the positioning adjusting mechanism, the first lever oil cylinder and the second lever oil cylinder is controlled by the sequence valve on the clamp, so that the safety of the clamp is high, and compared with the traditional manual clamping mode, the production efficiency is effectively improved, and the labor intensity is reduced.
Drawings
Fig. 1 is a schematic view of the structure of a viewing angle of the present invention;
fig. 2 is a schematic structural view of another view angle of the present invention;
fig. 3 is a front view of the present invention;
fig. 4 is a left side view of the present invention;
fig. 5 is a top view of the present invention;
fig. 6 is a processing state diagram of the present invention.
Detailed Description
The following provides a more detailed description of the embodiments and the operation of the present invention with reference to the accompanying drawings.
As shown in fig. 1-6, an engine cylinder block finish boring crankshaft hole clamp comprises a base 1, a first supporting plate 2 for supporting a cylinder block is arranged at the center of the base 1, a second supporting plate 3 is further arranged below the first supporting plate 2, the first supporting plate 2 is supported on the second supporting plate 3 through a first lifting oil cylinder 4, the second supporting plate 3 is installed in an accommodating cavity formed in the center of the base 1 through a second lifting oil cylinder 17, supporting blocks 5 for supporting the bottom surface of the cylinder block are symmetrically arranged on two sides of the first supporting plate 2, two groups of cutter brackets 6 are further arranged on the first supporting plate 2, the two groups of cutter brackets 6 respectively correspond to a cam boring cutter and a crankshaft hole boring cutter for finish boring of the crankshaft hole, two adjustable positioning pins 7 for extending into a cylinder hole to realize cylinder block positioning are arranged on the rear side of the base 1, and a positioning adjusting mechanism 8 for eliminating a positioning gap between the two adjustable positioning pins 7 is further arranged on the base 1 The positioning adjusting mechanism 8 is used for pushing the cylinder body to the front side for a certain distance to eliminate a positioning gap, three supporting oil cylinders 9 used for supporting the bottom surface of the cylinder body and three first lever oil cylinders 10 used for pressing the cylinder body from two sides are respectively arranged on the front side and the rear side of the base 1, second lever oil cylinders 11 are further arranged on the base 1 beside the supporting oil cylinders 9, the second lever oil cylinders 11 are arranged on the base 1 in an inverted triangle mode, and supporting protrusions 12 are arranged on the base 1 at the corresponding positions of the first lever oil cylinders 10.
Preferably, the left side and the right side of the base 1 are provided with the pre-positioning blocks 13, the cylinder body workpiece can be pre-positioned through the pre-positioning blocks 13, so that accurate positioning can be achieved through the positioning pins 7 conveniently, and the clamping process is accelerated and the positioning accuracy is ensured through coarse and fine two-stage positioning. Meanwhile, a tool apron 14 is arranged on the base 1 outside the pre-positioning block 13, and a tool hole 15 for fixing a tool is formed in the tool apron 14.
Furthermore, four lifting lugs 16 in a trapezoidal arrangement are further fixed on the base 1, and the clamps can be conveniently transferred or replaced through the arrangement of the lifting lugs 16.
During production, the first supporting plate 2 and the second supporting plate 3 are lifted up through the first lifting oil cylinder 4 and the second lifting oil cylinder 17, a cylinder body workpiece is hoisted to the first supporting plate 2, the cylinder body workpiece is positioned through the pre-positioning block 13 in the process, the second supporting plate 3 is driven to return to the initial position through the second lifting oil cylinder 17 after the cylinder body workpiece is supported on the first supporting plate 2, the positioning pin 7 below the cylinder body workpiece falls into a cylinder hole, the positioning gap is eliminated through the positioning adjusting mechanism 8, the cylinder body workpiece is accurately positioned, a cam boring cutter and a crankshaft hole boring cutter for machining are fixed on the cutter holder 14, the first lifting oil cylinder 4 is controlled to drive the first supporting plate 2 to return to the initial position, the supporting oil cylinder 9 is controlled to support the bottom surface of the cylinder body workpiece, and finally the cylinder body workpiece is pressed and fixed through the first lever oil cylinder 10 and the second lever oil cylinder 11, and machining can be carried out, as shown in fig. 6.
The technical scheme provided by the utility model is introduced in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (6)
1. The utility model provides an engine cylinder body finish boring bent axle hole anchor clamps which characterized in that: the cylinder body positioning device comprises a base, wherein a first supporting plate for supporting a cylinder body is arranged at the center of the base, supporting blocks for supporting the bottom surface of the cylinder body are symmetrically arranged on two sides of the first supporting plate, at least two adjustable positioning pins for extending into a cylinder hole to realize cylinder body positioning are arranged on the rear side of the base, a positioning adjusting mechanism for eliminating a cylinder body positioning gap is further arranged on the rear side of the base, and at least three supporting oil cylinders for supporting the bottom surface of the cylinder body and at least three first lever oil cylinders for pressing the cylinder body from two sides are further respectively arranged on the front side and the rear side of the base.
2. The engine block finish boring crankshaft bore clamp of claim 1, wherein: and a second supporting plate is arranged below the first supporting plate, the first supporting plate is supported on the second supporting plate through a first lifting oil cylinder, and the second supporting plate is arranged in an accommodating cavity formed in the center of the base through a second lifting oil cylinder.
3. The engine block finish boring crankshaft bore clamp of claim 2, wherein: at least one group of cutter brackets are also arranged on the first supporting plate.
4. The engine block finish boring crankshaft bore clamp of claim 1, wherein: and a second lever oil cylinder is further arranged on the base beside the supporting oil cylinder, and the second lever oil cylinder is arranged on the base in an inverted triangle shape.
5. The engine block finish boring crankshaft bore clamp of claim 1, wherein: the tool comprises a base, and is characterized in that pre-positioning blocks are arranged on the left side and the right side of the base, a tool apron is arranged on the base outside the pre-positioning blocks, and tool holes used for fixing tools are formed in the tool apron.
6. The engine block finish boring crankshaft bore clamp of claim 1, wherein: four lifting lugs which are in trapezoidal arrangement are fixed on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023211545.7U CN214237259U (en) | 2020-12-28 | 2020-12-28 | Engine cylinder body finish boring bent axle hole anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023211545.7U CN214237259U (en) | 2020-12-28 | 2020-12-28 | Engine cylinder body finish boring bent axle hole anchor clamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214237259U true CN214237259U (en) | 2021-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023211545.7U Active CN214237259U (en) | 2020-12-28 | 2020-12-28 | Engine cylinder body finish boring bent axle hole anchor clamps |
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| Country | Link |
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| CN (1) | CN214237259U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114952349A (en) * | 2022-07-28 | 2022-08-30 | 潍坊思博精工科技有限公司 | Clamping tool for hydraulic valve body machining and hydraulic valve body finish machining device |
-
2020
- 2020-12-28 CN CN202023211545.7U patent/CN214237259U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114952349A (en) * | 2022-07-28 | 2022-08-30 | 潍坊思博精工科技有限公司 | Clamping tool for hydraulic valve body machining and hydraulic valve body finish machining device |
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