Die for hardware part production

Abstract

The utility model discloses a die for hardware part production. The die comprises a base, a hydraulic rod is installed above the base, the output end of the hydraulic rod is connected with a die holder, an upper die is installed in the die holder, the lower end of the die holder is connected with a guide rod, and a gasket is bonded to the top in a cavity formed in the die holder. The inserting block is connected into a groove formed in the die holder, the lower end of the inserting block is connected with a reset spring, a connecting block is connected into a groove formed in the upper portion of the die holder, and a connecting groove is formed in the head end of the connecting block; an air bag is installed in the cylinder barrel, the lower end of the air bag is in through connection with a water inlet pipe, and the side wall of the air bag is in through connection with a water outlet pipe; the lower die is installed under the base, and a cooling pipe is fixedly installed in the lower die. The die head can be replaced according to the shape and size requirements of different hardware parts, so that different production requirements are met, the production cost is reduced, the die can be firstly cooled and then demoulded during stamping, and the service life of the die is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field related to molds, in particular to a mold used for the production of hardware parts. Background Art

[0002] Hardware molds use various presses and special tools installed on the presses to press metal materials into parts or products of the desired shape through pressure. The existing hardware molds can only process one part at a time because their die heads cannot be replaced during use. If other molds are to be replaced, the production cost will be increased, so there are certain shortcomings.

[0003] For example, a hardware mold with publication number CN218191988U provides a hardware mold that forms a conveying channel through the intervals of each conveying column. The material strip can be conveyed on the lower template. The upper template moves in the direction close to the lower template, which can drive the punching assembly to punch the material strip in sequence. When the punched hardware moves to align with the top material seat, the upper template drives the punching assembly to press down, so that the formed hardware can be separated from the material strip. At this time, the top block is pressed by pressure to squeeze the elastic part to retract into the installation groove. After the upper template moves away from the lower template, the top block bulges upward under the action of the elastic part, and can lift the hardware separated from the material strip to the same height as the material strip. In this way, when the material strip is forced to move forward, the hardware can be stably pushed to the blanking place, which can prevent the hardware from being blown to other places of the lower template and causing the die to be pressed.

[0004] The above-mentioned prior art has the following technical problems: the upper template of the existing hardware mold is in an integrated design, which is not convenient to use when producing multiple parts. Since the mold will generate a large amount of heat in a short period of time when in use, and the existing mold does not cool the lower template, it is easy to cause the mold to deform and crack, thereby reducing the service life of the mold.

[0005] So we proposed a mold for the production of hardware parts to solve the problems raised above. Utility Model Content

[0006] The purpose of the utility model is to provide a mold for the production of hardware parts, so as to solve the problem raised by the above background technology that the upper mold plate of the existing hardware molds on the market is inconvenient to use when producing a variety of parts due to its integrated design, and because the mold will generate a large amount of heat in a short time when in use, and the existing mold does not cool the lower mold plate, it is easy to cause the mold to deform and crack, thereby reducing the service life of the mold.

[0007] To achieve the above object, the utility model provides the following technical solution: a mold for the production of hardware parts, comprising a base, a hydraulic rod is fixedly installed on the top of the base, and the output end of the hydraulic rod is fixedly connected to a mold base, and an upper mold is slidably installed in the mold base, and a guide rod is fixedly connected to the lower end of the mold base, and a gasket is fixedly bonded to the top of the cavity opened by the mold base;

[0008] Also includes:

[0009] The insert block is slidably connected in the groove opened in the die base, and a return spring is fixedly connected to the lower end of the insert block, and a connecting block is slidably connected in the groove opened above the die base, and a connecting groove is opened at the head end of the connecting block;

[0010] The cylinder is fixedly installed below the base, and an air bag is fixedly installed in the cylinder, and a water inlet pipe is connected through the lower end of the air bag, and a water outlet pipe is connected through the side wall of the air bag;

[0011] The lower die is fixedly installed just below the base, and a cooling pipe is fixedly installed inside the lower die.

[0012] Preferably, there are three groups of gaskets distributed about the mold base array, and the material of the gaskets is epoxy resin.

[0013] By adopting the above technical solution, before closing the mold, the upper mold must first be installed in the mold base. After the upper mold is installed, the upper mold and the gasket in the mold base are in conflict. Since the gasket is made of epoxy resin, it has excellent high temperature resistance and impact resistance and is not easy to deform, thus ensuring the stability of the upper mold during operation.

[0014] Preferably, the return spring is fixedly connected to the bottom of the groove formed in the mold base, and the insert block is arranged in an inverted "J" shape.

[0015] By adopting the above technical solution, before installing the upper mold, first pull the plug block upward so that the plug block slides upward in the groove provided in the mold base, and at the same time, the return spring at the lower end of the plug block extends upward.

[0016] Preferably, the diameter of the plug head end is smaller than the diameter of the connecting groove, and the connecting block is arranged in a "[" shape.

[0017] By adopting the above technical solution, the plug block moves upward so that the head end of the plug block leaves the connecting groove, and then the connecting block is slid to both sides of the mold base, and then the upper mold is slid upward so that the upper mold is inserted into the groove opened at the bottom of the mold base, and then the connecting block is inserted into the groove opened at the upper end of the upper mold, and then the head end of the plug block is reinserted into the connecting block, and then the installation of the upper mold is completed.

[0018] Preferably, the guide rods and the cylinder barrels are arranged in two groups symmetrically about the base, and the guide rods are arranged directly above the cylinder barrels.

[0019] By adopting the above technical solution, when closing the mold, the hydraulic rod is started to drive the mold base and the upper mold to move downward, and at the same time drive the guide rods on both sides to move downward, so that the guide rods are inserted into the cylinder.

[0020] Preferably, the head end of the water outlet pipe is connected to the upper end of the cooling pipe, and the cooling pipe is spirally arranged in the lower mold.

[0021] By adopting the above technical solution, when the guide rod is inserted into the cylinder, the cylinder squeezes the airbag downward, so that the coolant in the airbag enters the cooling pipe through the water outlet pipe on the side wall. Since the cooling pipe is arranged in a spiral shape, the coolant in the cooling pipe speeds up the cooling speed of the hardware in the lower mold, so as to facilitate subsequent rapid demolding.

[0022] Preferably, the material of the airbag is elastic rubber, and a one-way water inlet valve is installed in the water inlet pipe, and a one-way water outlet valve is installed in the water outlet pipe.

[0023] By adopting the above technical solution, after the hardware is formed, when the hydraulic rod drives the guide rod to move upward and leave the cylinder, since the airbag is made of elastic rubber and a one-way water inlet valve is installed in the water inlet pipe, the airbag re-absorbs the coolant for next use.

[0024] Compared with the prior art, the utility model has the following beneficial effects: the mold used for the production of hardware parts can replace the die head according to the shape and size requirements of different hardware parts, thereby meeting different production needs and reducing production costs. The mold can be first cooled during stamping and then demoulded, thereby increasing the service life of the mold. The specific contents are as follows:

[0025] 1. A lower mold is provided. Before closing the mold, the upper mold must be installed in the mold base. After the upper mold is installed, the upper mold and the gasket in the mold base collide with each other. Since the gasket is made of epoxy resin, it has excellent high temperature resistance and impact resistance and is not easy to deform, thus ensuring the stability of the upper mold during operation;

[0026] 2. A reset spring and an insert block are provided. Before installing the upper die, first pull the insert block upward so that the insert block slides upward in the groove opened in the die base, and at the same time, the reset spring at the lower end of the insert block extends upward. The insert block moves upward so that the head end of the insert block leaves the connecting groove, and then slides the connecting block to both sides of the die base, and then slides the upper die upward so that the upper die is inserted into the groove opened below the die base, and then inserts the connecting block into the groove opened at the upper end of the upper die, and then reinserts the head end of the insert block into the connecting block, and then completes the installation of the upper die;

[0027] 3. A guide rod and a cylinder are provided. When the mold is closed, the hydraulic rod is started to drive the mold base and the upper mold to move downward, and at the same time, the guide rods on both sides are driven downward so that the guide rods are inserted into the cylinder;

[0028] 4. A cooling pipe is provided. When the guide rod is inserted into the cylinder, the cylinder squeezes the airbag downward, so that the coolant in the airbag enters the cooling pipe through the outlet pipe on the side wall. Since the cooling pipe is arranged in a spiral shape, the coolant in the cooling pipe speeds up the cooling speed of the hardware in the lower mold, so as to facilitate the subsequent rapid demoulding;

[0029] 5. An air bag and a water inlet pipe are provided. After the hardware is formed, when the hydraulic rod drives the guide rod to move upward and leave the cylinder, since the air bag is made of elastic rubber and a one-way water inlet valve is installed in the water inlet pipe, the air bag re-absorbs the coolant for the next use. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic diagram of the main cross-sectional structure of the base of the utility model;

[0031] Figure 2 This is a schematic diagram of the main cross-sectional structure of the mold base of the utility model;

[0032] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0033] Figure 4 This is a schematic diagram of the main cross-sectional structure of the cylinder of the utility model;

[0034] Figure 5 This is a schematic diagram of the main cross-sectional structure of the lower mold of the utility model;

[0035] Figure 6 It is a schematic diagram of the three-dimensional structure of the utility model.

[0036] In the figure: 1. base; 2. hydraulic rod; 3. die base; 4. upper die; 5. guide rod; 6. gasket; 7. plug block; 8. return spring; 9. connecting block; 91. connecting groove; 10. lower die; 11. cylinder; 12. air bag; 13. water outlet pipe; 14. cooling pipe; 15. water inlet pipe. DETAILED DESCRIPTION

[0037] 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.

[0038] Example 1: Please refer to Figure 1The utility model provides the following technical solutions. The existing mold cannot meet the production requirements of different hardware parts because the upper mold 4 cannot be replaced during use. In order to solve this technical problem, the present embodiment discloses the following technical contents: a mold for the production of hardware parts, comprising a base 1, a hydraulic rod 2 is fixedly installed on the top of the base 1, and a mold base 3 is fixedly connected to the output end of the hydraulic rod 2, and an upper mold 4 is slidably installed in the mold base 3, and a guide rod 5 is fixedly connected to the lower end of the mold base 3, and a gasket 6 is fixedly bonded to the top of the cavity opened by the mold base 3;

[0039] Before stamping, first install the upper die 4 of the required type in the die base 3, first pull the plug block 7 upward, then slide the two sets of connecting blocks 9 to both sides of the die base 3, then slide the upper die 4 upward so that the upper die 4 is inserted into the groove opened below the die base 3, and then install the upper die 4 in the die base 3;

[0040] Embodiment 2: The technical content disclosed in this embodiment is an improvement made on the basis of the above-mentioned embodiment 1. When installing the upper mold 4, the stability of the upper mold 4 during use is ensured by setting the installation assembly and the buffer assembly. Figure 2-Figure 3 As shown, the insert block 7 is slidably connected to the groove opened in the mold base 3, and the lower end of the insert block 7 is fixedly connected with a reset spring 8, and the groove opened above the mold base 3 is slidably connected with a connecting block 9, and the head end of the connecting block 9 is provided with a connecting groove 91; the gasket 6 is distributed in three groups with respect to the mold base 3, and the material of the gasket 6 is epoxy resin. The reset spring 8 is fixedly connected to the bottom of the groove opened in the mold base 3, and the insert block 7 is set in an inverted "J" shape. The diameter of the head end of the insert block 7 is smaller than the diameter of the connecting groove 91, and the connecting block 9 is set in a "[" shape.

[0041] Before installing the upper mold 4, first pull the plug block 7 upward so that the plug block 7 slides upward in the groove opened in the mold base 3, and at the same time, the return spring 8 at the lower end of the plug block 7 extends upward. The plug block 7 moves upward so that the head end of the plug block 7 leaves the connecting groove 91, and then slides the connecting block 9 to both sides of the mold base 3, and then slides the upper mold 4 upward so that the upper mold 4 is inserted into the groove opened at the bottom of the mold base 3, and then the connecting block 9 is inserted into the groove opened at the upper end of the upper mold 4, and then the head end of the plug block 7 is reinserted into the connecting block 9, and then the upper mold 4 is installed. The upper mold 4 conflicts with the gasket 6 in the mold base 3. Since the gasket 6 is made of epoxy resin, it has excellent high temperature resistance and impact resistance and is not easy to deform, thereby ensuring the stability of the upper mold 4 during operation.

[0042] Embodiment 3: The technical content disclosed in this embodiment is a further improvement based on the above-mentioned embodiments 1 and 2. During stamping, the metal mold will generate a lot of heat. If the mold surface temperature is not cooled in time, it will exceed the heat resistance limit of the material, causing the mold to deform. Therefore, it is necessary to cool the mold through a cooling component, such as Figure 4-Figure 6 As shown, the cylinder 11 is fixedly installed below the base 1, and an airbag 12 is fixedly installed in the cylinder 11, and a water inlet pipe 15 is connected to the lower end of the airbag 12, and a water outlet pipe 13 is connected to the side wall of the airbag 12; the lower mold 10 is fixedly installed just below the base 1, and a cooling pipe 14 is fixedly installed in the lower mold 10. The guide rod 5 and the cylinder 11 are both arranged in two groups symmetrically about the base 1, and the guide rod 5 is arranged just above the cylinder 11. The head end of the water outlet pipe 13 is connected to the upper end of the cooling pipe 14, and the cooling pipe 14 is spirally arranged in the lower mold 10. The material of the airbag 12 is elastic rubber, and a one-way water inlet valve is installed in the water inlet pipe 15, and a one-way water outlet valve is installed in the water outlet pipe 13.

[0043] When closing the mold, start the hydraulic rod 2 to drive the mold base 3 and the upper mold 4 to move downward, and at the same time drive the guide rods 5 on both sides to move downward, so that the guide rods 5 are inserted into the cylinder barrel 11. When the guide rods 5 are inserted into the cylinder barrel 11, the cylinder barrel 11 squeezes the airbag 12 downward, so that the coolant in the airbag 12 enters the cooling pipe 14 through the water outlet pipe 13 on the side wall. Since the cooling pipe 14 is arranged in a spiral shape, the coolant in the cooling pipe 14 accelerates the cooling speed of the hardware in the lower mold 10 to facilitate subsequent rapid demolding. After the molding of the hardware is completed, when the hydraulic rod 2 drives the guide rods 5 to move upward and leave the cylinder barrel 11, since the material of the airbag 12 is elastic rubber and a one-way water inlet valve is installed in the water inlet pipe 15, the airbag 12 re-absorbs the coolant for next use.

[0044] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0045] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A mold for producing hardware parts, comprising a base (1), a hydraulic rod (2) fixedly mounted above the base (1), a mold base (3) fixedly connected to the output end of the hydraulic rod (2), an upper mold (4) slidably mounted in the mold base (3), a guide rod (5) fixedly connected to the lower end of the mold base (3), and a gasket (6) fixedly bonded to the top of a cavity formed in the mold base (3); It is characterized in that Also includes: The insert block (7) is slidably connected in a groove provided in the mold base (3), and a return spring (8) is fixedly connected to the lower end of the insert block (7), and a connecting block (9) is slidably connected in a groove provided above the mold base (3), and a connecting groove (91) is provided at the head end of the connecting block (9); The cylinder (11) is fixedly installed below the base (1), and an air bag (12) is fixedly installed in the cylinder (11), and a water inlet pipe (15) is connected through the lower end of the air bag (12), and a water outlet pipe (13) is connected through the side wall of the air bag (12); The lower mold (10) is fixedly installed directly below the base (1), and a cooling pipe (14) is fixedly installed inside the lower mold (10).

2. A mold for producing hardware parts according to claim 1, characterized in that: The gaskets (6) are arranged in three groups in an array with respect to the mold base (3), and the material of the gaskets (6) is epoxy resin.

3. The mold for producing hardware parts according to claim 1, characterized in that: The return spring (8) is fixedly connected to the bottom of the groove opened in the mold base (3), and the insert block (7) is arranged in an inverted "J" shape.

4. The mold for producing hardware parts according to claim 1, characterized in that: The diameter of the head end of the insert block (7) is smaller than the diameter of the connecting groove (91), and the connecting block (9) is arranged in a "[" shape.

5. The mold for producing hardware parts according to claim 1, characterized in that: The guide rods (5) and the cylinder barrel (11) are both arranged in two groups symmetrically about the base (1), and the guide rods (5) are arranged directly above the cylinder barrel (11).

6. The mold for producing hardware parts according to claim 1, characterized in that: The head end of the water outlet pipe (13) is connected to the upper end of the cooling pipe (14), and the cooling pipe (14) is spirally arranged in the lower mold (10).

7. The mold for producing hardware parts according to claim 1, characterized in that: The material of the air bag (12) is elastic rubber, a one-way water inlet valve is installed in the water inlet pipe (15), and a one-way water outlet valve is installed in the water outlet pipe (13).

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