CN216263150U

CN216263150U - Production of engine bottom backplate is with ejecting mould of being convenient for

Info

Publication number: CN216263150U
Application number: CN202122697346.XU
Authority: CN
Inventors: 胡勇军
Original assignee: Changsha Ruiyan Physicochemical Auto Trim Co ltd
Current assignee: Changsha Ruiyan Physicochemical Auto Trim Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-04-12
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses a die convenient for ejection in production of an engine bottom protection plate, which relates to the field of engine protection plates and aims at solving the problems that after stamping is completed, the bottom protection plate cannot be ejected quickly, so that the bottom protection plate cannot be taken out timely, and the working efficiency is low. The utility model can reduce the pressure on the lower die, avoid the lower die from being damaged, prolong the service life of the lower die, quickly eject the bottom protection plate and timely take out the bottom protection plate, and improve the working efficiency.

Description

Production of engine bottom backplate is with ejecting mould of being convenient for

Technical Field

The utility model relates to the technical field of engine protecting plates, in particular to a mold convenient to eject for production of an engine bottom protecting plate.

Background

The engine protection plate is the engine protector according to various different motorcycle types design of stereotyping, and its design is at first to prevent earth parcel engine, and secondly prevents to lead to the fact the damage of engine because rugged road surface leads to the fact the striking to the engine in order to go the in-process, reaches extension engine life through a series of designs, avoids going out the in-process because external factor leads to the car of engine damage to break down.

In the bottom protective plate of engine carries out the production process, need use stamping device and mould, however, based on current mould, after the backplate punching press is accomplished at the bottom, unable quick is ejecting to the backplate at the bottom, leads to the unable timely taking out of backplate at the bottom, and work efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a mold convenient to eject for production of an engine bottom guard plate.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a die convenient for ejection for production of an engine bottom protection plate comprises a bottom plate, wherein fixed plates are welded on the outer walls of two ends of the top of the bottom plate, a reinforcing plate is arranged above the bottom plate, connecting mechanisms are arranged on the outer walls of two sides of the bottom of the reinforcing plate respectively, each connecting mechanism comprises two connecting plates respectively hinged on the outer walls of two ends of the bottom of the reinforcing plate, two connecting blocks respectively hinged on the outer walls of two ends of the connecting plates, connecting rods with two ends respectively welded on the outer walls of two opposite sides of the two fixing plates, and two first springs respectively sleeved on the outer walls of two ends of the connecting rods, a mounting groove is formed in the outer wall of the center of the top of the bottom plate, a buffer mechanism is arranged in the mounting groove, the buffer mechanism comprises a sleeve sleeved in the mounting groove, a second spring sleeved in the sleeve, a sliding plate slidably mounted in the sleeve, a buffer rod welded on the outer wall of the top of the sliding plate, and a limiting ring sleeved on the inner wall of the top end of the sleeve, all weld the fixed block of "gamma" shape structure on the four corners outer wall at reinforcing plate top, be equipped with the lower mould on the reinforcing plate top outer wall, open at the reinforcing plate middle part has the ring channel, be connected with the pivot through the bearing on the inner wall of ring channel one side, the cam has been cup jointed on the one end outer wall that the pivot is located the ring channel, it has the fixed slot to open on the center department inner wall of lower mould bottom, and is equipped with ejection mechanism in the fixed slot, ejection mechanism includes slidable mounting in the ejector pin on the inner wall of fixed slot bottom, cup joints extrusion ring, the cover on the outer wall of ejector pin middle part outer wall and locates the spacing spring that the ejector pin is located the outer wall of extrusion ring top and cup joints the stopper on the inner wall of fixed slot top.

Preferably, two all open the slide on the relative one side outer wall of connecting block, and two connecting blocks slidable mounting respectively on connecting rod both ends outer wall, two the connecting block bottom overlap joint respectively on the outer wall at bottom plate top, and two connecting blocks form sliding fit, two with the bottom plate respectively the relative one end of first spring fixed connection respectively is on the one side outer wall that two connecting blocks kept away from each other.

Preferably, the top end of the buffer rod is welded on the outer wall of the bottom of the reinforcing plate, the inner diameter of the limiting ring is matched with the outer diameter of the buffer rod, and the buffer rod is slidably installed in the limiting ring.

Preferably, the outer walls of the four corners of the lower die are respectively lapped on the inner walls of the four fixing blocks, the outer walls of the four fixing blocks are respectively screwed with two fastening bolts, and the eight fastening bolts are respectively in fastening fit with the lower die.

Preferably, pivot one end is passed through the bearing and is connected on reinforcing plate one side outer wall, and the welding has the carousel on the pivot is located the outside one end outer wall of reinforcing plate, and the welding has the handle on the outer wall of carousel one side.

Preferably, all open the through-hole on ring channel top and the fixed slot bottom inner wall, and ejector pin difference slidable mounting is in the through-hole, extrusion ring external diameter size and fixed slot internal diameter size looks adaptation, and extrusion ring slidable mounting is in the fixed slot, it has the passageway to open on the stopper top outer wall, and ejector pin slidable mounting is in the passageway.

The utility model has the beneficial effects that:

1. the lower die is provided with the two connecting mechanisms and the buffer mechanism, when the bottom protection plate in the lower die is stamped by the stamping device, the pressure received by the lower die is transmitted to the reinforcing plate, the reinforcing plate transmits the pressure to the buffer rod and the four connecting plates, the reinforcing plate descends to drive the four connecting blocks to be away from each other, the first spring is extruded in the process of the mutual away stroke, the buffer rod descends to drive the sliding plate to extrude the second spring, and further the pressure is buffered, so that the pressure received by the lower die can be reduced, the lower die is prevented from being damaged, and the service life of the lower die is prolonged;

2. be provided with the pivot, cam and ejection mechanism, the punching press is accomplished the back, the rotation pivot, the pivot drives the cam and rotates, the protruding end extrusion ejector pin of cam, make the ejector pin rise, it rises to drive the extrusion ring when the ejector pin rises, and then extrude spacing spring, provide the feedback of rotation dynamics for operating personnel, when the top of the protruding end of cam is located the ejector pin under, the ejector pin removes the peak this moment, it is ejecting with end backplate, the rotation pivot, make the protruding end of cam keep away from the ejector pin, the ejector pin resets under the effect of spacing spring tension this moment, can be quick with the ejecting and timely backplate at the bottom of taking out of end backplate, and the work efficiency is improved.

Drawings

FIG. 1 is a schematic perspective view of a mold for producing a bottom fender of an engine, which is provided by the utility model and is convenient to eject;

FIG. 2 is a schematic cross-sectional perspective view of a mold for producing an engine bottom guard plate, which is provided by the utility model and is convenient to eject;

FIG. 3 is a schematic cross-sectional three-dimensional structure view of a reinforcing plate and a lower die of a mold for producing an engine bottom guard plate, which is convenient to eject and provided by the utility model;

fig. 4 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.

In the figure: the device comprises a base plate 1, a fixing plate 2, a reinforcing plate 3, a connecting mechanism 4, a connecting plate 401, a connecting block 402, a connecting rod 403, a first spring 404, a mounting groove 5, a buffer mechanism 6, a sleeve 601, a second spring 602, a sliding plate 603, a buffer rod 604, a spacing ring 605, a fixing block 7, a lower die 8, an annular groove 9, a rotating shaft 10, a cam 11, a fixing groove 12, an ejection mechanism 13, a push rod 1301, an extrusion ring 1302, a spacing spring 1303 and a spacing block 1304.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a mold for producing an engine bottom guard plate, which is convenient for ejection, comprises a bottom plate 1, two fixing plates 2, a reinforcing plate 3, two connecting mechanisms 4, a buffer mechanism 6, four fixing blocks 7 with a reverse L-shaped structure, a lower mold 8, a rotating shaft 10, a cam 11 and an ejection mechanism 13, wherein the two fixing plates 2 are respectively welded on outer walls at two ends of the top of the bottom plate 1, the reinforcing plate 3 is arranged above the bottom plate 1, the connecting mechanisms 4 comprise two connecting plates 401 respectively hinged on outer walls at two ends of the bottom of the reinforcing plate 3, two connecting blocks 402 respectively hinged on outer walls at the bottom ends of the two connecting plates 401, connecting rods 403 with two ends respectively welded on outer walls at two opposite sides of the two fixing plates 2, and two first springs 404 respectively sleeved on outer walls at two ends of the connecting rods 403, and a slide way is arranged on the outer wall at one opposite side of the two connecting blocks 402, the two connecting blocks 402 are respectively and slidably mounted on the outer walls of the two ends of the connecting rod 403, the bottoms of the two connecting blocks 402 are respectively lapped on the outer wall of the top of the base plate 1, the two connecting blocks 402 are respectively in sliding fit with the base plate 1, the opposite ends of the two first springs 404 are respectively and fixedly connected to the outer walls of the two sides, far away from each other, of the two connecting blocks 402, a mounting groove 5 is formed in the outer wall of the center of the top of the base plate 1, the buffer mechanism 6 comprises a sleeve 601 sleeved in the mounting groove 5, a second spring 602 sleeved in the sleeve 601, a sliding plate 603 slidably mounted in the sleeve 601, a buffer rod 604 welded on the outer wall of the top of the sliding plate 603 and a limit ring 605 sleeved on the inner wall of the top of the sleeve 601, the top end of the buffer rod 604 is welded on the outer wall of the bottom of the reinforcing plate 3, the inner diameter of the limit ring 605 is matched with the outer diameter of the buffer rod 604, and the buffer rod is slidably mounted in the limit ring 605, the four fixing blocks 7 are respectively welded on the outer walls of the four corners of the top of the reinforcing plate 3, the lower die 8 is arranged on the outer wall of the top of the reinforcing plate 3, the outer walls of the four corners of the lower die 8 are respectively lapped on the inner walls of the four fixing blocks 7, two fastening bolts are respectively screwed on the outer walls of the four fixing blocks 7, and the eight fastening bolts are respectively in fastening fit with the lower die 8, so that the pressure on the lower die can be reduced, the lower die is prevented from being damaged, and the service life of the lower die is prolonged;

the middle part of the reinforcing plate 3 is provided with an annular groove 9, the rotating shaft 10 is connected on the inner wall of one side of the annular groove 9 through a bearing, one end of the rotating shaft 10 is connected on the outer wall of one side of the reinforcing plate 3 through a bearing, and the outer wall of one end of the rotating shaft 10 positioned outside the reinforcing plate 3 is welded with a rotating disc, the outer wall of one side of the rotating disc is welded with a handle, the cam 11 is sleeved on the outer wall of one end of the rotating shaft 10 positioned in the annular groove 9, the inner wall of the center of the bottom of the lower die 8 is provided with a fixed groove 12, the ejection mechanism 13 comprises a top rod 1301 slidably mounted on the inner wall of the bottom of the fixed groove 12, a squeezing ring 1302 sleeved on the outer wall of the middle part of the top rod 1301, a limiting spring 1303 sleeved on the outer wall of the top rod 1301 above the squeezing ring 1302 and a limiting block 1304 sleeved on the inner wall of the top of the fixed groove 12, so that the bottom protection plate can be ejected out quickly and taken out in time, and the working efficiency is improved;

through holes are formed in the top of the annular groove 9 and the inner wall of the bottom of the fixing groove 12, the ejector rods 1301 are respectively installed in the through holes in a sliding mode, the outer diameter of the extrusion ring 1302 is matched with the inner diameter of the fixing groove 12, the extrusion ring 1302 is installed in the fixing groove 12 in a sliding mode, a channel is formed in the outer wall of the top of the limiting block 1304, and the ejector rods 1301 are installed in the channel in a sliding mode.

The working principle is as follows: when a punching device punches a bottom protection plate in a lower die 8, the lower die 8 transmits the pressure to a reinforcing plate 3, the reinforcing plate 3 transmits the pressure to a buffer rod 604 and four connecting plates 401, the reinforcing plate 3 descends to drive four connecting blocks 402 to be away from each other, a first spring 404 is extruded in the process of the mutual away, the buffer rod 604 descends to drive a sliding plate 603 to extrude a second spring 602, the pressure is further buffered, after the punching is completed, a rotating shaft 10 is rotated, the rotating shaft 10 drives a cam 11 to rotate, the protruding end of the cam 11 extrudes a mandril 1301 to enable the mandril 1301 to ascend, the mandril 1301 ascends and simultaneously drives an extrusion ring 1302 to ascend to extrude a limiting spring 1303, the feedback of the rotating force is provided for an operator, when the top end of the protruding end of the cam 11 is positioned right below the mandril 1301, the mandril 1301 moves to the highest point to eject the bottom protection plate, the rotating shaft 10 is rotated, the protruding end of the cam 11 is far away from the top rod 1301, and the top rod 1301 resets under the tension of the limiting spring 1303.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The mold convenient for ejection for production of the bottom guard plate of the engine comprises a bottom plate (1) and is characterized in that fixing plates (2) are welded on outer walls of two ends of the top of the bottom plate (1), a reinforcing plate (3) is arranged above the bottom plate (1), connecting mechanisms (4) are arranged on outer walls of two sides of the bottom of the reinforcing plate (3), each connecting mechanism (4) comprises two connecting plates (401) respectively hinged to outer walls of two ends of the bottom of the reinforcing plate (3), two connecting blocks (402) respectively hinged to outer walls of the bottoms of the two connecting plates (401), connecting rods (403) with two ends respectively welded to outer walls of two opposite sides of the two fixing plates (2) and two first springs (404) respectively sleeved on outer walls of two ends of each connecting rod (403), a mounting groove (5) is formed in the outer wall of the center of the top of the bottom plate (1), and a buffer mechanism (6) is arranged in the mounting groove (5), the buffer mechanism (6) comprises a sleeve (601) sleeved in the mounting groove (5), a second spring (602) sleeved in the sleeve (601), a sliding plate (603) slidably mounted in the sleeve (601), a buffer rod (604) welded on the outer wall of the top of the sliding plate (603) and a limit ring (605) sleeved on the inner wall of the top end of the sleeve (601), fixed blocks (7) of a reversed L-shaped structure are welded on the outer walls of four corners of the top of the reinforcing plate (3), a lower die (8) is arranged on the outer wall of the top of the reinforcing plate (3), an annular groove (9) is formed in the middle of the reinforcing plate (3), a rotating shaft (10) is connected to the inner wall of one side of the annular groove (9) through a bearing, a cam (11) is sleeved on the outer wall of one end, located in the annular groove (9), of the rotating shaft (10), and a fixing groove (12) is formed in the inner wall of the center of the bottom of the lower die (8), and an ejection mechanism (13) is arranged in the fixed groove (12), and the ejection mechanism (13) comprises a push rod (1301) which is slidably mounted on the inner wall of the bottom of the fixed groove (12), an extrusion ring (1302) which is sleeved on the outer wall of the middle part of the push rod (1301), a limiting spring (1303) which is sleeved on the outer wall of the push rod (1301) and positioned above the extrusion ring (1302), and a limiting block (1304) which is sleeved on the inner wall of the top of the fixed groove (12).

2. The mold for producing the engine bottom guard plate convenient for ejection as claimed in claim 1, wherein the outer wall of one side opposite to the two connecting blocks (402) is provided with a slide way, the two connecting blocks (402) are respectively slidably mounted on the outer walls of two ends of the connecting rod (403), the bottoms of the two connecting blocks (402) are respectively lapped on the outer wall of the top of the bottom plate (1), the two connecting blocks (402) are respectively in sliding fit with the bottom plate (1), and one ends opposite to the two first springs (404) are respectively and fixedly connected to the outer wall of one side, away from each other, of the two connecting blocks (402).

3. The mold for producing the engine bottom guard plate convenient to eject according to claim 1, wherein the top end of the buffer rod (604) is welded on the outer wall of the bottom of the reinforcing plate (3), the inner diameter of the limiting ring (605) is matched with the outer diameter of the buffer rod (604), and the buffer rod (604) is slidably mounted in the limiting ring (605).

4. The mold for producing the engine bottom guard plate convenient to eject as claimed in claim 1, wherein the outer walls of the four corners of the lower mold (8) are respectively lapped on the inner walls of the four fixing blocks (7), two fastening bolts are respectively screwed on the outer walls of the four fixing blocks (7), and the eight fastening bolts are respectively in fastening fit with the lower mold (8).

5. The mold for producing the engine bottom guard plate convenient to eject as claimed in claim 1, wherein one end of the rotating shaft (10) is connected to the outer wall of one side of the reinforcing plate (3) through a bearing, a rotating disc is welded on the outer wall of one end of the rotating shaft (10) located outside the reinforcing plate (3), and a handle is welded on the outer wall of one side of the rotating disc.

6. The mold convenient for ejection in production of engine bottom guard plates according to claim 1, characterized in that through holes are formed in the top of the annular groove (9) and the inner wall of the bottom of the fixing groove (12), the ejector rods (1301) are respectively slidably mounted in the through holes, the outer diameter of the extrusion ring (1302) is matched with the inner diameter of the fixing groove (12), the extrusion ring (1302) is slidably mounted in the fixing groove (12), a channel is formed in the outer wall of the top of the limiting block (1304), and the ejector rods (1301) are slidably mounted in the channel.