Chamfering machining mechanism for large-end hole of engine connecting rod

Abstract

The utility model relates to an engine connecting rod big end hole chamfering machining mechanism which comprises a base, the top of the base is fixedly connected with a protection plate, the top of the base is fixedly connected with a vertical plate, and the top of the base is provided with a machining assembly. According to the engine connecting rod large-head hole chamfering machining mechanism, when chamfering machining is conducted on an engine connecting rod large-head hole, the connecting rod large-head hole is formed in the top of a supporting plate, a small-head hole is located in a limiting ring plate, then a first motor is started to drive a threaded rod to rotate, and therefore the connecting rod large-head hole can be chamfered under the condition that a connecting sleeve is located in a limiting groove; rotating motion is changed into downward motion, and the limiting plate is driven to limit the top of the connecting rod big end hole to the top of the supporting plate; and then a second motor is started to drive the chamfering tool to rotate, the hydraulic rod pushes the connecting plate to move rightwards, the chamfering tool is located at the corner of the large-end hole of the connecting rod to conduct chamfering operation, and therefore the problem that the working intensity of manual chamfering is increased is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of engine connecting rod processing, in particular to a chamfering processing mechanism for a large end hole of an engine connecting rod. Background Art

[0002] The engine connecting rod connects the piston and the crankshaft, and transmits the gas pressure borne by the piston to the crankshaft, so that the reciprocating motion of the piston is converted into the rotation of the crankshaft and outputs work to the outside. Therefore, the engine connecting rod is one of the important components of the engine. During the production and processing of the engine connecting rod, the connecting rod boring needs to be chamfered. In order to be able to process the connecting rod stably, the engine connecting rod is generally fixed on a fixture to prevent the connecting rod from moving during processing and affecting the work.

[0003] Due to the restriction of the connecting rod structure, the chamfering of the oil hole in the small end of the connecting rod can only be achieved by manual grinding or by using a machining center equipped with an angle head. Manual grinding has low precision, low work efficiency, and high cost of the machining center. Therefore, a chamfering processing mechanism for the big end hole of the engine connecting rod is proposed to solve the problem. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a chamfering processing mechanism for the big end hole of an engine connecting rod, which has the advantages of higher working efficiency and lower production costs when chamfering the big end hole of the connecting rod. It solves the problems of increased labor intensity, low grinding accuracy and high production cost in the processing of the big end hole of the existing engine connecting rod.

[0005] To achieve the above object, the utility model provides the following technical solutions: an engine connecting rod big end hole chamfering processing mechanism, comprising a base, a protective plate is fixedly connected to the top of the base, a vertical plate is fixedly connected to the top of the base, and a processing assembly is arranged on the top of the base;

[0006] The processing assembly includes a first motor, which is fixedly connected to the right side of the vertical plate, one end of the first motor output shaft is fixedly connected to a threaded rod, the outer surface of the threaded rod is threadedly connected to a connecting sleeve, the left side of the connecting sleeve is fixedly connected to a limiting plate, the left side of the vertical plate is fixedly connected to a support plate, the front side of the protective plate is fixedly connected to a placement plate, the front side of the protective plate is fixedly connected to a hydraulic rod, the telescopic end of the hydraulic rod is fixedly connected to a connecting plate, the top of the connecting plate is fixedly connected to a second motor, one end of the second motor output shaft is fixedly connected to a mounting sleeve, and the inside of the mounting sleeve is fixedly connected to a chamfering tool.

[0007] Furthermore, a collection box is placed on the top of the base, a protective shell is fixedly connected to the right side of the vertical plate, and the first motor is fixedly connected to the vertical plate through the protective shell.

[0008] Furthermore, a limiting groove is provided inside the vertical plate, and the limiting plate slides inside the vertical plate through the limiting groove, and an arc-shaped anti-slip pad is fixedly connected to the bottom of the limiting plate.

[0009] Furthermore, there are two support plates, and grooves are provided inside the two support plates. A limiting ring plate is fixedly connected to the left side of the vertical plate, and a square through hole is provided inside the limiting ring plate.

[0010] Furthermore, a sliding groove is provided inside the placement plate, and the connection plate is in the shape of an L-shaped plate. The connection plate is slidably connected to the placement plate via the sliding groove.

[0011] Furthermore, a mounting groove is provided inside the mounting sleeve, and the chamfering tool is located inside the mounting sleeve through the mounting groove. The internal thread of the mounting sleeve is connected with two locking bolts, and the chamfering tool is fixedly connected by the two locking bolts.

[0012] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0013] 1. The chamfering mechanism for the big end hole of the engine connecting rod, when the big end hole of the engine connecting rod is being chamfered, the big end hole of the connecting rod is placed on the top of the support plate, and the small end hole is located inside the limiting ring plate, and then the first motor is started to drive the threaded rod to rotate, so that the connecting sleeve changes from rotational motion to downward movement in the case of the limiting groove, and drives the limiting plate to limit the top of the big end hole of the connecting rod at the top of the support plate; then the second motor is started to drive the chamfering tool to rotate, and the hydraulic rod pushes the connecting plate to move to the right, so that the chamfering tool is located at the corner of the big end hole of the connecting rod for chamfering operation, thereby solving the problem of increased labor intensity of manual chamfering.

[0014] 2. The engine connecting rod big end hole chamfering processing mechanism sets two support plates so that the engine connecting rod big end hole can be better placed on the top of the support plate when chamfering, and then pressed and fixed by the limit plate to avoid shaking during the chamfering operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the main cross-sectional view of the structure of the utility model;

[0016] Figure 2 This is a left view of the structural vertical plate of the utility model;

[0017] Figure 3 This is a three-dimensional diagram of the connecting rod placement plate of the structure of the utility model.

[0018] In the figure: 1. base; 2. protective plate; 3. vertical plate; 4. first motor; 5. threaded rod; 6. connecting sleeve; 7. limit plate; 8. support plate; 9. limit ring plate; 10. placement plate; 11. hydraulic rod; 12. connecting plate; 13. second motor; 14. installation sleeve; 15. chamfering tool; 16. locking bolt. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-3 In this embodiment, a chamfering processing mechanism for the big end hole of an engine connecting rod includes a base 1. A collection box is placed on the top of the base 1 to collect debris generated by chamfering. A protective plate 2 is fixedly connected to the top of the base 1. A vertical plate 3 is fixedly connected to the top of the base 1. A processing component is arranged on the top of the base 1.

[0021] The processing assembly includes a first motor 4, which is fixedly connected to the right side of the vertical plate 3. A protective shell is fixedly connected to the right side of the vertical plate 3, and the first motor 4 is fixedly connected to the vertical plate 3 through the protective shell.

[0022] One end of the output shaft of the first motor 4 is fixedly connected to a threaded rod 5, the outer surface of the threaded rod 5 is threadedly connected to a connecting sleeve 6, the left side of the connecting sleeve 6 is fixedly connected to a limiting plate 7, the bottom of the limiting plate 7 is fixedly connected to an arc-shaped anti-slip pad, and a limiting groove is provided inside the vertical plate 3, and the limiting plate 7 slides inside the vertical plate 3 through the limiting groove.

[0023] A support plate 8 is fixedly connected to the left side of the vertical plate 3. There are two support plates 8, and grooves are provided inside the two support plates 8. A limiting ring plate 9 is fixedly connected to the left side of the vertical plate 3, and a square through hole is provided inside the limiting ring plate 9.

[0024] A placement plate 10 is fixedly connected to the front of the protective plate 2, a hydraulic rod 11 is fixedly connected to the front of the protective plate 2, a connecting plate 12 is fixedly connected to the telescopic end of the hydraulic rod 11, a sliding groove is opened inside the placement plate 10, and the connecting plate 12 is in the shape of an L-shaped plate, and the connecting plate 12 is slidably connected to the placement plate 10 through the sliding groove.

[0025] A second motor 13 is fixedly connected to the top of the connecting plate 12, and a mounting sleeve 14 is fixedly connected to one end of the output shaft of the second motor 13. A chamfering tool 15 is fixedly connected to the interior of the mounting sleeve 14. A mounting groove is opened inside the mounting sleeve 14, and the chamfering tool 15 is located inside the mounting sleeve 14 through the mounting groove.

[0026] Two locking bolts 16 are connected to the inner thread of the mounting sleeve 14 , and the chamfering tool 15 is fixedly connected by the two locking bolts 16 .

[0027] In this embodiment, by providing two support plates 8, the big end hole of the engine connecting rod can be better placed on the top of the support plate 8 when chamfering, and then pressed and fixed by the limit plate 7 to avoid shaking during the chamfering operation.

[0028] In this embodiment, by providing a mounting groove inside the mounting sleeve 14, the chamfering tool 15 can be removed and replaced via two locking bolts 16 after being used for a period of time, thereby extending the service life of the device.

[0029] The working principle of the above embodiment is:

[0030] The engine connecting rod big end hole chamfering processing mechanism, when the engine connecting rod big end hole is being chamfered, the connecting rod big end hole is placed on the top of the support plate 8, and the small end hole is located inside the limiting ring plate 9, and then the first motor 4 is started to drive the threaded rod 5 to rotate, so that the connecting sleeve 6 changes from rotational motion to downward movement in the case of the limiting groove, and drives the limiting plate 7 to limit the top of the connecting rod big end hole on the top of the support plate 8; then the second motor 13 is started to drive the chamfering tool 15 to rotate, and the hydraulic rod 11 pushes the connecting plate 12 to move to the right, so that the chamfering tool 15 is located at the corner of the connecting rod big end hole for chamfering operation, thereby solving the problem of increased labor intensity of manual chamfering.

[0031] It should be noted that the standard parts used in the application can be purchased from the market, special-shaped parts can be customized according to the description in the specification and drawings, and the specific connection methods of each part adopt mature bolts, rivets, welding, etc. in the prior art, and conventional means. Machinery, parts and equipment all adopt conventional models in the prior art; plus the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A chamfering mechanism for a large end hole of an engine connecting rod, comprising a base (1), characterized in that: A protective plate (2) is fixedly connected to the top of the base (1), a vertical plate (3) is fixedly connected to the top of the base (1), and a processing component is arranged on the top of the base (1); The processing assembly comprises a first motor (4), the first motor (4) is fixedly connected to the right side of the vertical plate (3), one end of the output shaft of the first motor (4) is fixedly connected to a threaded rod (5), the outer surface of the threaded rod (5) is threadedly connected to a connecting sleeve (6), the left side of the connecting sleeve (6) is fixedly connected to a limiting plate (7), the left side of the vertical plate (3) is fixedly connected to a supporting plate (8), the front side of the protective plate (2) is fixedly connected to a placing plate (10), the front side of the protective plate (2) is fixedly connected to a hydraulic rod (11), the telescopic end of the hydraulic rod (11) is fixedly connected to a connecting plate (12), the top of the connecting plate (12) is fixedly connected to a second motor (13), one end of the output shaft of the second motor (13) is fixedly connected to a mounting sleeve (14), and the interior of the mounting sleeve (14) is fixedly connected to a chamfering tool (15).

2. The engine connecting rod big end hole chamfering processing mechanism according to claim 1, characterized in that: A collection box is placed on the top of the base (1), a protective shell is fixedly connected to the right side of the vertical plate (3), and the first motor (4) is fixedly connected to the vertical plate (3) via the protective shell.

3. The engine connecting rod big end hole chamfering processing mechanism according to claim 1, characterized in that: A limiting groove is provided inside the vertical plate (3), and the limiting plate (7) slides inside the vertical plate (3) through the limiting groove. An arc-shaped anti-skid pad is fixedly connected to the bottom of the limiting plate (7).

4. The engine connecting rod big end hole chamfering processing mechanism according to claim 1, characterized in that: There are two support plates (8), each of which has a groove inside. The left side of the vertical plate (3) is fixedly connected to a limiting ring plate (9), and the limiting ring plate (9) has a square through hole inside.

5. The engine connecting rod big end hole chamfering processing mechanism according to claim 1, characterized in that: A sliding groove is provided inside the placement plate (10), and the connection plate (12) is in the shape of an L-shaped plate. The connection plate (12) is slidably connected to the placement plate (10) via the sliding groove.

6. The engine connecting rod big end hole chamfering processing mechanism according to claim 1, characterized in that: The mounting sleeve (14) has a mounting groove formed inside, and the chamfering tool (15) is located inside the mounting sleeve (14) through the mounting groove. The internal thread of the mounting sleeve (14) is connected with two locking bolts (16), and the chamfering tool (15) is fixedly connected by the two locking bolts (16).

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