Integrated machining die for lugs at ends of connecting rods

Abstract

The utility model relates to the technical field of machining dies, in particular to a connecting rod end lug integrated machining die which comprises an upper die and a lower die, the upper die and the lower die are both provided with model grooves, the lower die is provided with a cleaning mechanism used for cleaning chippings, the cleaning mechanism comprises two cleaning sets, and the cleaning sets are arranged on the upper die and the lower die respectively. The connecting rod end lug integrated machining die comprises a lower die and two cleaning sets, the two cleaning sets are movably connected to the lower die and distributed in a bilateral symmetry mode, each cleaning set comprises a base, the bases are movably connected to the top end of the lower die, rotating grooves are formed in the bases, and air injection blocks are rotationally connected to the rotating grooves. Through the cleaning mechanism, chippings in a die and on the surface of steel can be rapidly removed when the steel is subjected to punch forming, through the arrangement of a first spring and a rolling wheel, air nozzles are driven to move up and down and the chippings are evenly and fully removed when punching is conducted every time, and the quality of produced connecting rods is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to processing mould technical field, concretely is a connecting rod end ear piece integrated processing mould. BACKGROUND

[0002] Connecting rod is now a kind of common mechanical parts, for connecting piston and crankshaft, the force received by piston is transmitted to crankshaft, reciprocating motion of piston is converted into the rotary motion of crankshaft, the main part of connecting rod and the ear piece part of its end are integrally designed, processed and manufactured, to ensure that the connection between them is stable, reliable, and has good mechanical properties;

[0003] Connecting rod production has multiple forming methods, the common forging forming method, after heating steel, is formed under the stamping of mould, but in the stamping forging process, some debris is retained in the mould, which affects the structural strength and quality of connecting rod, aiming at the above problems, the application designs a connecting rod end ear piece integrated processing mould. UTILITARY MODEL CONTENTS

[0004] (I) technical problem solved

[0005] In view of the deficiency of prior art, the utility model provides a connecting rod end ear piece integrated processing mould.

[0006] (II) technical scheme

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a connecting rod end ear piece integrated processing mould, including upper mould and lower mould, the upper mould and lower mould are all set up with model groove, the lower mould is provided with cleaning mechanism for cleaning debris, the cleaning mechanism includes two groups of cleaning groups, two groups of cleaning groups are movably connected on the lower mould and are distributed left and right symmetrically, the cleaning group includes base, the base is movably connected at the top of lower mould, the base is set up with rotating groove, the rotating groove is rotatably connected with jet block, the jet block is provided with a plurality of jet ports on the side close to model groove, the jet block is rotatably connected with a plurality of link blocks on the side close to the outside, the bottom of link block is fixed with first spring, the other end of first spring is fixed in the bottom of rotating groove, the bottom of upper mould is set up with recess in the corresponding position of cleaning group, the recess is fixed with two buffer assemblies on the symmetry, the bottom of buffer assembly is rotatably connected with idler wheel, the idler wheel can be contacted with the top of lower jet block.

[0008] In order to facilitate the dismounting and installation of cleaning group, the utility model improves, the top of lower mould is set up with installation sliding slot on both sides, the base is slidably connected on the installation sliding slot, the base is adapted with the installation sliding slot.

[0009] In order to slow down the quick contact of the roller and the jet block, protect the jet block, the utility model improves, the buffer assembly includes outer column and inner column, the roller rotation is connected in the bottom of inner column, the outer column is set on the inner column, the inner column is connected with outer column sliding, the top of inner column is fixed with second spring, the other end of second spring is fixed on the inner top wall of outer column.

[0010] In order to reduce the cooling effect of connecting rod when cleaning the debris, the utility model improves, the jet block is connected with the outside hot air source, the high temperature hot air is sprayed out from the jet port.

[0011] In order to facilitate the positioning of the upper die and the lower die, the utility model improves, the top of lower die is fixed with a plurality of positioning blocks, the bottom of upper die is provided with a plurality of positioning grooves matched with the positioning blocks.

[0012] In order to facilitate the carrying of the upper die and the lower die, the utility model improves, the both sides of lower die and upper die are provided with carrying grooves.

[0013] (Three) beneficial effects

[0014] Compared with the prior art, the utility model provides a connecting rod end ear piece integrated machining die, has the following beneficial effects:

[0015] The connecting rod end ear piece integrated machining die can quickly remove the debris on the surface of the steel in the die when the steel is formed by stamping, and the first spring and the roller are arranged to move the jet port up and down during each stamping, so that the debris is uniformly and fully cleaned, and the quality of the produced connecting rod is ensured. ACCURACY OF DRAWINGS

[0016] Figure 1 It is the first main structure schematic diagram of the utility model;

[0017] Figure 2 It is the first local structure schematic diagram of the utility model;

[0018] Figure 3 It is the second local structure schematic diagram of the utility model;

[0019] Figure 4 It is the third local structure schematic diagram of the utility model;

[0020] Figure 5 It is the fourth local structure schematic diagram of the utility model.

[0021] In the figure: 1, upper mold; 2, lower mold; 3, model groove; 4, base; 5, rotating groove; 6, jet block; 7, jet port; 8, link block; 9, first spring; 10, groove; 11, roller; 12, installation sliding groove; 13, outer column; 14, inner column; 15, second spring; 16, positioning block; 17, positioning groove; 18, carrying groove. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-5 A connecting rod end ear piece integrated machining die, including upper mold 1 and lower mold 2, the upper mold 1 and lower mold 2 are all provided with model groove 3, the lower mold 2 is provided with cleaning mechanism for cleaning debris, the cleaning mechanism includes two cleaning groups, two cleaning groups are movably connected on the lower mold 2 and are distributed left and right symmetrically, the cleaning group includes base 4, the base 4 is movably connected at the top of lower mold 2, the base 4 is provided with rotating groove 5, the rotating groove 5 is rotatably connected with jet block 6, the jet block 6 is provided with multiple jet ports 7 on the side close to model groove 3, the jet block 6 is rotatably connected with multiple link blocks 8 on the side close to the outside, the bottom end of link block 8 is fixed with first spring 9, the other end of first spring 9 is fixed at the bottom end of rotating groove 5, the bottom end of upper mold 1 is provided with groove 10 at the corresponding position of cleaning group, the upper symmetry of groove 10 is fixed with two buffer assemblies, the bottom end of buffer assembly is rotatably connected with roller 11, the roller 11 can be in contact with the top of lower jet block 6.

[0024] In use, the heated steel is placed on the model groove 3 on the lower die 2, the upper die 1 is close to the lower die 2 under the action of the stamping device, and the steel is extruded and deformed after contacting the steel, and the debris is generated, the high-temperature air is sprayed out from the air outlet 7 on the air jet block 6 towards the steel, and the debris is blown away from the model groove 3 and the steel under the action of the airflow, and the upper die 1 drives the roller 11 to move downward during the downward pressing of the upper die 1, the roller 11 contacts the air jet block 6, the air jet block 6 is rotationally connected to the base 4, so that the air outlet 7 moves downward, the linking block 8 on the other side of the air jet block 6 moves upward through the lever principle, the first spring 9 is stretched, and the high-temperature air continuously blows to the steel and the model groove 3 during the movement of the air outlet 7, so that the debris is sufficiently blown away and cleaned, and when the upper die 1 moves upward away from the lower die 2, the roller 11 falls off the air jet block 6, the first spring 9 returns to the original state and drives the linking block 8 to move downward, and the air outlet 7 moves from the lower to the initial position through the lever principle.

[0025] In actual use, it is found that it is not easy to disassemble, clean and maintain the group for replacement. In order to solve the above problems, in the embodiment, the top end of the lower die 2 is provided with a mounting sliding groove 12 on both sides, the base 4 is slidingly connected to the mounting sliding groove 12, and the base 4 is matched with the mounting sliding groove 12.

[0026] In actual use, it is found that when the steel is stamped, the upper die 1 and the lower die 2 are close and fast, which causes the roller 11 to contact the air jet block 6 and drive it to move downward, and the air jet block 6 is easily damaged. In order to avoid the above problems, in the embodiment, the buffer assembly comprises an outer column 13 and an inner column 14, the roller 11 is rotationally connected to the bottom end of the inner column 14, the outer column 13 is sleeved on the inner column 14, the inner column 14 is slidingly connected to the outer column 13, the top end of the inner column 14 is fixedly connected with a second spring 15, and the other end of the second spring 15 is fixedly connected to the inner top wall of the outer column 13.

[0027] In actual use, it is found that when the cold air contacts the steel in a high-temperature state, it will cause the steel to rapidly cool down, affecting the stamping effect and the structural strength of the connecting rod. In order to alleviate the above problems, in the embodiment, the air jet block 6 is connected with an external hot air source, and the air outlet 7 sprays high-temperature hot air.

[0028] In actual use, it is found that the upper die 1 and the lower die 2 may not be accurately positioned, affecting the quality of the produced connecting rod. In order to solve the above problems, in the embodiment, the top end of the lower die 2 is fixedly connected with a plurality of positioning blocks 16, and the bottom end of the upper die 1 is provided with a plurality of positioning grooves 17 matched with the positioning blocks 16.

[0029] In actual use, it is found that the upper mold 1 and the lower mold 2 are heavy and not easy to carry. In order to solve the above problems, in the embodiment, the lower mold 2 and the upper mold 1 are provided with carrying grooves 18 on both sides.

[0030] To explain the possible application scenarios, technical principles, specific implementation schemes, purposes and effects of the present application, the specific embodiments listed below are combined with the drawings for detailed description. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0031] In this paper, the term "embodiment" means that the specific features, structures or characteristics described in conjunction with the embodiment can be included in at least one embodiment of the present application. The term "embodiment" appearing at various places in the specification does not necessarily refer to the same embodiment, and does not particularly limit its independence or association with other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the technical features mentioned in each embodiment can be combined in any way to form a corresponding implementable technical solution.

[0032] Unless otherwise defined, the meaning of the technical terms used herein is the same as that generally understood by those skilled in the art to which the present application belongs; the use of related terms herein is only for the purpose of describing specific embodiments, and is not intended to limit the present application.

[0033] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A connecting rod end lug integrated machining die, comprising an upper die (1) and a lower die (2), the upper die (1) and the lower die (2) are provided with a model groove (3) on the upper die (1) and the lower die (2), characterized in that: The lower mold (2) is provided with a cleaning mechanism for cleaning debris, the cleaning mechanism comprises two groups of cleaning groups, the two groups of cleaning groups are movably connected to the lower mold (2) and are symmetrically distributed, the cleaning group comprises a base (4), the base (4) is movably connected to the top end of the lower mold (2), a rotating groove (5) is formed in the base (4), a jet block (6) is rotatably connected to the rotating groove (5), a plurality of jet ports (7) are arranged on one side of the jet block (6) close to the model groove (3), a plurality of link blocks (8) are rotatably connected to the outer side of the jet block (6), a first spring (9) is fixed to the bottom end of the link block (8), the other end of the first spring (9) is fixed to the bottom end of the rotating groove (5), recesses (10) are formed in the bottom end of the upper mold (1) at positions corresponding to the cleaning groups, two buffer assemblies are symmetrically fixed to the recesses (10), a roller (11) is rotatably connected to the bottom end of the buffer assembly, and the roller (11) can contact the top end of the jet block (6) below.

2. The connecting rod eye integrally formed die of claim 1 wherein: The top end of the lower mold (2) is provided with mounting sliding grooves (12) on both sides, the base (4) is slidably connected to the mounting sliding grooves (12), and the base (4) is matched with the mounting sliding grooves (12).

3. The one-piece connecting rod eye machining die of claim 1 wherein: The buffer assembly comprises an outer column (13) and an inner column (14), the roller (11) is rotatably connected to the bottom end of the inner column (14), the outer column (13) is sleeved on the inner column (14), the inner column (14) is slidably connected with the outer column (13), a second spring (15) is fixed to the top end of the inner column (14), and the other end of the second spring (15) is fixed to the inner top wall of the outer column (13).

4. The connecting rod eye integrally-machined die of claim 1 wherein: The jet block (6) is connected with an external hot air source, and the jet ports (7) spray high-temperature hot air.

5. The one-piece connecting rod eye machining die of claim 1 wherein: A plurality of positioning blocks (16) are fixed to the top end of the lower mold (2), and a plurality of positioning grooves (17) matched with the positioning blocks (16) are formed in the bottom end of the upper mold (1).

6. The one-piece connecting rod eye machining die of claim 1 wherein: The lower mold (2) and the upper mold (1) are provided with carrying grooves (18) on both sides.

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