Demoulding device of precision mould

Abstract

The demolding device comprises a machine body, a hydraulic machine is fixedly installed above the machine body, an output shaft of the hydraulic machine is fixedly connected with an upper mold, inclined rods are fixedly installed on the two sides of the upper mold, a notch is formed in the machine body, a transmission rod is movably installed in the notch of the machine body in a sleeved mode, and the transmission rod is fixedly connected with the upper mold. And a movable rod is hinged to the other end of the transmission rod, a lower mold is installed in the machine body, supporting plates are fixedly installed on the two sides of the lower portion of the machine body, and sliding grooves are formed in the supporting plates. By means of the structure, the hydraulic machine can enable the transmission rod hinged to the inclined rod to move, meanwhile, the movable rod hinged to the transmission rod is used for driving the movable plate to ascend and descend, and when the output shaft of the hydraulic machine ascends and the movable plate ascends, the ejector rod can drive the extrusion plate to demold punched parts; and the problem that the speed of manual operation is difficult to meet the production requirement is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of precision mould, especially relates to a demoulding device of precision mould. BACKGROUND

[0002] Mould demoulding refers to the process that the formed product is smoothly taken out from the mould cavity, which needs to be carried out without damaging the product and the mould to ensure the quality of the product and the normal use of the mould.

[0003] Specifically, when using the mould, the stamping die is a special process equipment for processing materials, metals or non-metals into parts in cold stamping processing, which is called cold stamping die. Stamping is to use the die installed on the press to apply pressure to the material at room temperature, so that the material is separated or plastically deformed to obtain the required parts. However, manual demoulding is usually required after stamping. The manual demoulding speed is relatively slow, especially in the case of batch production, the speed of manual operation is difficult to meet the requirements of production rhythm, which affects the overall production efficiency. Therefore, in order to solve this problem, the utility model provides a demoulding device of precision mould. SUMMARY

[0004] The utility model discloses a demoulding device of precision mould can make the movable plate rise when the output shaft of the hydraulic machine rises, and the ejector rod drives the extrusion plate to demould the parts after stamping, which avoids the speed of manual operation difficult to meet the requirements of production, makes the iron ball contact with the inner wall of the circular hole of the machine body, and fixes the lower mould and the machine body together through the expansion principle, thereby avoiding the complex process of replacing the mould.

[0005] In order to achieve the above object, a demoulding device of precision mould is provided, which comprises a machine body, a hydraulic machine is fixedly installed above the machine body, an upper mould is fixedly connected with the output shaft of the hydraulic machine, inclined rods are fixedly installed on the two sides of the upper mould, a notch is formed in the inside of the machine body, a transmission rod is movably sleeved in the inside of the notch of the machine body, a movable rod is hingedly connected to the other end of the transmission rod, a lower mould is installed in the inside of the machine body, support plates are fixedly installed on the two sides below the machine body, a sliding groove is formed in the inside of the support plate, a first spring is fixedly installed in the inside of the sliding groove of the support plate, a movable plate is fixedly connected to the other end of the first spring, two connecting rods are fixedly installed above the movable plate, an ejector rod is fixedly installed above the movable plate, an extrusion plate is fixedly installed above the ejector rod, sleeves are fixedly installed at the four corners of the lower mould, a plurality of iron balls are movably sleeved in the inside of the sleeve, a second spring is fixedly installed in the inside of the sleeve, and a pull rod is movably sleeved in the inside of the sleeve.

[0006] According to the demolding device for a precision mold, one end of the inclined rod is hinged to the transmission rod, and the movable rod is hinged to the connecting rod.

[0007] According to the demolding device for a precision mold, the lower mold and the machine body have multiple elongated slots inside, and the ejector rod can be raised and lowered inside the elongated slots of the lower mold and the machine body.

[0008] According to the demolding device for a precision mold, the machine body has round holes at the four corners, and the sleeve can be movably fitted inside the round holes of the machine body.

[0009] According to the demolding device of a precision mold, the sleeve has three holes inside, the iron ball can extend to the outside through the holes inside the sleeve, and the holes inside the sleeve can limit the position of the iron ball.

[0010] According to the demolding device of a precision mold, the pull rod squeezes the iron ball so that the iron ball contacts the inner wall of the circular hole of the machine body.

[0011] According to the demolding device for a precision mold, the movable plate can move up and down in the sliding groove inside the support plate, while the sliding groove inside the support plate limits the movable plate.

[0012] According to the demolding device of a precision mold, the upper surface of the extrusion plate is flush with the surface of the elongated groove inside the lower mold.

[0013] Beneficial effects:

[0014] 1. The hydraulic press can move the transmission rod that is hinged to the inclined rod. At the same time, the movable rod that is hinged to the transmission rod can drive the movable plate to rise and fall. When the output shaft of the hydraulic press rises, the ejector rod can drive the extrusion plate to demold the stamped parts, avoiding the difficulty of meeting the production requirements of manual operation.

[0015] 2. The lower mold is used to fit the sleeve into the round hole in the machine body. Under the tension of the second spring, the pull rod squeezes the iron ball, so that the iron ball contacts the inner wall of the round hole in the machine body. Through the principle of expansion, the lower mold is fixedly connected to the machine body, avoiding the complicated process of changing molds.

[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0018] Figure 1A sectional view of the demolding device of the precision mold according to the utility model;

[0019] Figure 2 A sectional view of the demolding device of the precision mold according to the utility model;

[0020] Figure 3 A sectional view of the demolding device of the precision mold according to the utility model;

[0021] Figure 4 A sectional view of the demolding device of the precision mold according to the utility model; Figure 3 An enlarged view of A in the middle.

[0022] Legend:

[0023] 1, machine body; 2, hydraulic machine; 3, upper mold; 4, inclined rod; 5, transmission rod; 6, lower mold; 7, support plate; 8, first spring; 9, movable plate; 10, connecting rod; 11, ejector rod; 12, extrusion plate; 13, sleeve; 14, iron ball; 15, second spring; 16, pull rod; 17, movable rod. Specific implementation

[0024] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the written part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0025] Refer to Figures 1-4The utility model discloses a precision mould's demoulding device, it includes a precision mould's demoulding device, including the body 1, utilize the body 1 and can be more convenient to carry out the stamping, the upper fixed mounting of body 1 has the hydraulic press 2, through the hydraulic press 2 can drive the upper die 3 and press down complete stamping, the output shaft fixed connection of hydraulic press 2 has the upper die 3, utilize the upper die 3 and can drive both sides inclined rod 4 and lift, the both sides fixed mounting of upper die 3 has inclined rod 4, utilize inclined rod 4 and can drive transmission rod 5 and move, the inside of body 1 is provided with the notched, the inside movable sleeve of body 1 notched has transmission rod 5, utilize transmission rod 5 and can drive movable rod 17 and move, the other end hinged of transmission rod 5 has movable rod 17, utilize movable rod 17 and can drive movable plate and lift, the inside installation of body 1 has lower die 6, utilize lower die 6 and the upper die 3 and cooperate can complete stamping, the lower both sides of body 1 are fixedly installed with support plate 7, utilize support plate 7 and can limit movable plate 9, the inside of support plate 7 is provided with sliding slot, the inside fixed mounting of support plate 7 sliding slot has first spring 8, through first spring 8 makes movable plate 9 when buffering, the other end fixed connection of first spring 8 has movable plate 9, through movable plate 9 and can drive the top rod 11 and move, the upper fixed mounting of movable plate 9 has two connecting rods 10, through connecting rod 10 and movable rod 17 are hinged and can drive movable plate and move, the upper fixed mounting of movable plate 9 has the top rod 11, utilize the top rod 11 and can control extrusion plate 12 and rise and demould, the upper fixed mounting of top rod 11 has extrusion plate 12, utilize extrusion plate 12 and rise and can reach the effect of demoulding, the four corners fixed mounting of lower die 6 has sleeve 13, utilize sleeve 13 and can connect lower die 6 with body 1 together, the inside movable sleeve of sleeve 13 has a plurality of iron ball 14, through iron ball 14 and the inner wall contact of body 1 round hole can reach the inflation effect, the inside fixed mounting of sleeve 13 has second spring 15, utilize the tension of second spring 15 and can extrude iron ball 14, the inside movable sleeve of sleeve 13 has pull rod 16, pull rod 16 and second spring 15 fixed connection.

[0026] Specific: the one end hinged of inclined rod 4 and transmission rod 5, movable rod 17 and connecting rod 10 are hinged, through inclined rod 4 and transmission rod 5 and movable rod 17 and connecting rod 10 hinged can drive movable plate 9 and lift.

[0027] Specific: the inside of lower die 6 and body 1 is provided with a plurality of long slot, the top rod 11 can lift inside lower die 6 and body 1 long slot, through the long slot in the inside of lower die 6 and body 1 can make the top rod 11 control extrusion plate 12 and demould the part.

[0028] Specifically, four corners of the body 1 are internally provided with round holes, the sleeve 13 is movably sleeved in the round holes of the body 1, and the lower die 6 and the body 1 are fixedly connected together through cooperation of the sleeve 13 and the internal round holes of the body 1.

[0029] Specifically, the sleeve 13 is internally provided with three holes, the iron ball 14 can extend to the outside through the holes in the sleeve 13, the holes in the sleeve 13 can limit the iron ball 14, and the iron ball 14 is prevented from falling off through limiting the iron ball 14 through the holes in the sleeve 13.

[0030] Specifically, the iron ball 14 is in contact with the inner wall of the round hole of the body 1 through extrusion of the pull rod 16, and the lower die 6 and the body 1 are fixedly connected together through the expansion effect of the iron ball 14 in contact with the inner wall of the round hole of the body 1.

[0031] Specifically, the movable plate 9 can slide in the sliding groove in the support plate 7 and is limited by the sliding groove in the support plate 7, and the movable plate 9 is more convenient to lift when being limited in the sliding groove in the support plate 7.

[0032] Specifically, the upper surface of the extrusion plate 12 is flush with the surface of the internal long slot of the lower die 6, and the extrusion plate 12 does not affect the stamping when being flush with the surface of the internal long slot of the lower die 6.

[0033] Working principle: materials are placed in the lower die 6, the hydraulic machine 2 is started to make the upper die 3 press down to complete stamping of the part, the hydraulic machine 2 drives the upper die 3 to rise after the part is stamped, the transmission rod 5 hinged with the two inclined rods 4 is driven to move by the upper die 3, the movable plate 9 is driven to rise by the movable rod 17 hinged with the transmission rod 5, the ejector rod 11 fixedly connected with the movable plate 9 is driven to rise when the movable plate 9 rises, and the extrusion plate 12 demolds the stamped part.

[0034] When the lower die 6 needs to be replaced, the lower die 6 is disassembled by pulling the pull rod 16, when the lower die 6 needs to be installed, the sleeve 13 is sleeved in the round hole of the body 1, the pull rod 16 extrudes the iron ball 14 under the tension of the second spring 15, the iron ball 14 is in contact with the inner wall of the round hole of the body 1, and the lower die 6 and the body 1 are fixedly connected together through the expansion principle.

[0035] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A demolding device for a precision mold, comprising a body (1), characterized in that: A hydraulic press (2) is fixedly installed on the top of the machine body (1). The output shaft of the hydraulic press (2) is fixedly connected to an upper mold (3). Inclined rods (4) are fixedly installed on both sides of the upper mold (3). A slot is opened inside the machine body (1). A transmission rod (5) is movably fitted inside the slot of the machine body (1). A movable rod (17) is hinged to the other end of the transmission rod (5). A lower mold (6) is installed inside the machine body (1). Support plates (7) are fixedly installed on both sides of the bottom of the machine body (1). A sliding groove is opened inside the support plate (7). A first spring is fixedly installed inside the sliding groove of the support plate (7). 8) The other end of the first spring (8) is fixedly connected to a movable plate (9). Two connecting rods (10) are fixedly installed on the upper part of the movable plate (9). A top rod (11) is fixedly installed on the upper part of the movable plate (9). An extrusion plate (12) is fixedly installed on the upper part of the top rod (11). Sleeves (13) are fixedly installed at the four corners of the lower mold (6). Multiple iron balls (14) are movably fitted inside the sleeve (13). A second spring (15) is fixedly installed inside the sleeve (13). A pull rod (16) is movably fitted inside the sleeve (13). The pull rod (16) is fixedly connected to the second spring (15).

2. The demolding device for a precision mold according to claim 1, characterized in that, The inclined rod (4) is hinged to one end of the transmission rod (5), and the movable rod (17) is hinged to the connecting rod (10).

3. The demolding device for a precision mold according to claim 1, characterized in that, The lower mold (6) and the machine body (1) have multiple elongated slots inside, and the top rod (11) can be raised and lowered inside the elongated slots of the lower mold (6) and the machine body (1).

4. The demolding device for a precision mold according to claim 1, characterized in that, The body (1) has round holes in the four corners, and the sleeve (13) can be movably fitted inside the round holes of the body (1).

5. The demolding device for a precision mold according to claim 1, characterized in that, The sleeve (13) has three holes inside. The iron ball (14) can extend to the outside through the holes inside the sleeve (13). The holes inside the sleeve (13) can limit the position of the iron ball (14).

6. The demolding device for a precision mold according to claim 1, characterized in that, The pull rod (16) squeezes the iron ball (14) so ​​that the iron ball (14) comes into contact with the inner wall of the round hole of the machine body (1).

7. The demolding device for a precision mold according to claim 1, characterized in that, The movable plate (9) can be raised and lowered in the sliding groove inside the support plate (7), while the sliding groove inside the support plate (7) limits the movable plate (9).

8. The demolding device for a precision mold according to claim 1, characterized in that, The upper surface of the extrusion plate (12) is flush with the surface of the elongated groove inside the lower mold (6).

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