Automatic positioning device for mold

Abstract

The utility model discloses an automatic positioning device for a mould, which relates to the technical field of moulds and comprises a lower fixing seat, an upper fixing seat, a lower mounting plate, a lower mould, an upper mounting plate and an upper mould, the upper end of the lower fixing seat is fixedly connected with the lower mounting plate, the lower mould is mounted at the upper end of the lower mounting plate, and the upper mould is mounted at the lower end of the upper mounting plate. And the lower end of the upper fixing seat is movably connected with the upper end of the upper mounting plate through a buffer assembly. According to the automatic positioning device for the mold, by arranging positioning check blocks, an adjusting assembly and the like, when the mold is disassembled and replaced, the sizes of the mold are different, so that a worker can drive a threaded connecting rod to rotate by rotating an adjusting base, the positioning check blocks on the two sides move synchronously, and the positioning check blocks on the front side, the rear side, the left side and the right side are adjusted correspondingly; the fixing seat is simple in structure and convenient to adapt to the length and width of the die, automatic positioning is achieved when the die is replaced, the axis of the upper die and the axis of the lower die are aligned with the axis of the fixing seat, alignment of the replaced die is guaranteed, and convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to an automatic positioning device for molds. Background Art

[0002] A mold is a tool used to make formed articles. It is various molds and tools used in industrial production to obtain the required products by methods such as injection molding, blow molding, extrusion, die casting, or forging, smelting, stamping, etc. Different molds correspond to different products. In the use of stamping molds, the mold consists of an upper part and a lower part and is installed on the equipment. Generally, one part of the mold is fixed, and the other part of the mold is driven by the equipment to move to achieve stamping. Moreover, for each processing of the product, the upper and lower molds need to be closed, so the positioning requirements for the mold are relatively high.

[0003] The existing automatic positioning devices for molds are generally positioned by a guiding structure, with poor positioning effect. Long-term wear is likely to cause misalignment of the two parts of the mold, affecting the processing effect. At the same time, when the mold is replaced and installed, the two parts of the mold need to be aligned, which is time-consuming and laborious. Content of the Utility Model

[0004] In view of the deficiencies of the prior art, the utility model provides an automatic positioning device for molds, which solves the problems that the existing automatic positioning devices for molds are generally positioned by a guiding structure, with poor positioning effect, long-term wear is likely to cause misalignment of the two parts of the mold, affecting the processing effect, and when the mold is replaced and installed, the two parts of the mold need to be aligned, which is time-consuming and laborious.

[0005] To achieve the above objectives, the utility model is realized through the following technical solutions: an automatic positioning device for molds, including a lower fixed seat, an upper fixed seat, a lower mounting plate, a lower mold, an upper mounting plate, and an upper mold. The upper end of the lower fixed seat is fixedly connected to the lower mounting plate. The lower mold is installed at the upper end of the lower mounting plate. The lower end of the upper fixed seat is movably connected to the upper end of the upper mounting plate through a buffer assembly. The upper mold is installed at the lower end of the upper mounting plate. A guiding assembly is arranged between the lower fixed seat and the upper fixed seat. Adjusting assemblies are arranged inside both the lower mounting plate and the upper mounting plate;

[0006] Positioning blocks are arranged at the upper end of the lower mounting plate. There are four positioning blocks. The same positioning blocks are arranged at the lower end of the upper mounting plate. The positioning blocks are respectively slidably connected to the lower mounting plate and the upper mounting plate.

[0007] Preferably, the buffer assembly includes positioning columns. There are four positioning columns. The lower ends of the positioning columns are fixedly connected to the upper end of the upper mounting plate. The upper ends of the positioning columns are slidably connected to the upper fixing seat. A buffer spring is fixedly connected to the side of the upper end of the upper mounting plate beside the positioning columns. The upper end of the buffer spring is fixedly connected to the upper fixing seat.

[0008] Preferably, the guiding assembly includes guiding rods. Guiding rods are arranged on the side of the upper end of the lower fixing seat. There are four guiding rods. Guiding sleeves are arranged on the side of the lower end of the upper fixing seat. The guiding rods are slidably connected to the guiding sleeves, and the upper ends of the guiding rods extend to the outside of the guiding sleeves and are slidably connected to the upper fixing seat.

[0009] Preferably, positioning grooves are formed on the side of the upper end of the lower die. There are four positioning grooves. Positioning blocks are fixedly installed on the side of the lower end of the upper die. The positioning blocks correspond to the positioning grooves one by one.

[0010] Preferably, the adjusting assembly includes threaded connecting rods. Threaded connecting rods are installed inside both the lower mounting plate and the upper mounting plate. Adjusting seats are installed at both ends of the threaded connecting rods. There are two threaded connecting rods respectively located in the lower mounting plate and the upper mounting plate. The two threaded connecting rods are distributed in a cross shape, and the two threaded connecting rods are not in the same horizontal plane.

[0011] Preferably, the threaded connecting rod is composed of a threaded rod and a connecting rod. There are two threaded rods. The two threaded rods are respectively fixedly connected to both ends of the connecting rod. A nut block is threadedly connected to the surface of the threaded rod. The nut block is fixedly connected to the lower end of the positioning stop block.

[0012] Preferably, the pitches of the two threaded rods are the same and the threads are opposite. The threaded connecting rod is rotatably connected to the lower mounting plate and the upper mounting plate.

[0013] Beneficial effects

[0014] The present utility model provides an automatic positioning device for a mold. Compared with the prior art, the following beneficial effects are achieved:

[0015] 1. For this automatic positioning device for a mold, by providing positioning grooves, positioning blocks, guiding assemblies, etc., when the upper and lower molds are closed, the upper mold moves downward, causing the guiding sleeve to slide on the guiding rod. When the upper mold fits onto the lower mold, the positioning block enters the positioning groove, preventing the mold from shifting during closing and improving the positioning effect.

[0016] 2. The automatic positioning device for the mold is provided with positioning blocks and adjustment components. When the mold is disassembled and replaced, the mold size is different. Therefore, the personnel can drive the threaded connecting rod to rotate by rotating the adjustment seat, so that the positioning blocks on both sides move synchronously, so that the positioning blocks on the front and rear sides and the left and right sides can be adjusted respectively, which is convenient for adapting to the length and width of the mold, realizing automatic positioning when the mold is replaced, and aligning the axis of the upper and lower molds with the axis of the fixed seat, ensuring the alignment of the mold after replacement and improving convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 This is a front view structural schematic diagram of the utility model;

[0019] Figure 3 This is a schematic diagram of the top view of the lower mounting plate of the utility model;

[0020] Figure 4 It is a schematic diagram of the cross-sectional structure of the lower mounting plate of the utility model in a side view.

[0021] In the figure: 1. lower fixing seat; 2. upper fixing seat; 3. lower mounting plate; 31. positioning block; 4. lower mold; 41. positioning groove; 5. upper mounting plate; 6. upper mold; 61. positioning block; 7. buffer assembly; 71. positioning column; 72. buffer spring; 8. guide assembly; 81. guide rod; 82. guide sleeve; 9. adjustment assembly; 91. threaded connecting rod; 92. adjustment seat; 911. threaded rod; 912. connecting rod; 913. nut block. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figures 1-4, the present utility model provides a technical solution: an automatic positioning device for a mold, comprising a lower fixed seat 1, an upper fixed seat 2, a lower mounting plate 3, a lower mold 4, an upper mounting plate 5 and an upper mold 6. A positioning groove 41 is formed on the side of the upper end of the lower mold 4, and there are four positioning grooves 41. A positioning block 61 is fixedly installed on the side of the lower end of the upper mold 6, and the positioning blocks 61 and the positioning grooves 41 correspond one by one. A positioning stopper 31 is provided at the upper end of the lower mounting plate 3, and there are four positioning stoppers 31. The same positioning stoppers 31 are provided at the lower end of the upper mounting plate 5, and the positioning stoppers 31 are respectively slidably connected to the lower mounting plate 3 and the upper mounting plate 5. The upper end of the lower fixed seat 1 is fixedly connected to the lower mounting plate 3, and the lower mold 4 is installed at the upper end of the lower mounting plate 3. The lower end of the upper fixed seat 2 is movably connected to the upper end of the upper mounting plate 5 through a buffer assembly 7. The buffer assembly 7 includes positioning columns 71, and there are four positioning columns 71. The lower ends of the positioning columns 71 are fixedly connected to the upper end of the upper mounting plate 5, and the upper ends of the positioning columns 71 are slidably connected to the upper fixed seat 2. A buffer spring 72 is fixedly connected to the side of the upper end of the upper mounting plate 5 where the positioning columns 71 are located, and the upper end of the buffer spring 72 is fixedly connected to the upper fixed seat 2. By using the fit of the positioning blocks 61 and the positioning grooves 41, the deviation during mold clamping is avoided, and the positioning effect is improved;

[0024] The upper mold 6 is installed at the lower end of the upper mounting plate 5. A guiding assembly 8 is provided between the lower fixed seat 1 and the upper fixed seat 2. The guiding assembly 8 includes guiding rods 81. The guiding rods 81 are provided at the side of the upper end of the lower fixed seat 1, and there are four guiding rods 81. The guiding sleeves 82 are provided at the side of the lower end of the upper fixed seat 2, and the guiding rods 81 are slidably connected to the guiding sleeves 82, and the upper ends of the guiding rods 81 extend to the outside of the guiding sleeves 82 and are slidably connected to the upper fixed seat 2. When the upper mold 6 moves downward, the guiding sleeves 82 slide on the guiding rods 81, which facilitates the positioning and guiding during mold clamping;

[0025] Adjusting components 9 are provided inside both the lower mounting plate 3 and the upper mounting plate 5. The adjusting component 9 includes a threaded connecting rod 91. Threaded connecting rods 91 are installed inside both the lower mounting plate 3 and the upper mounting plate 5. Adjusting seats 92 are installed at both ends of the threaded connecting rod 91. There are two threaded connecting rods 91 respectively located in the lower mounting plate 3 and the upper mounting plate 5. The two threaded connecting rods 91 are distributed in a cross shape and the two threaded connecting rods 91 are not in the same horizontal plane. The threaded connecting rod 91 is composed of a threaded rod 911 and a connecting rod 912. There are two threaded rods 911. The two threaded rods 911 are respectively fixedly connected to both ends of the connecting rod 912. A nut block 913 is threadedly connected to the surface of the threaded rod 911. The nut block 913 is fixedly connected to the lower end of the positioning stop block 31. The pitches of the two threaded rods 911 are the same and the threads are opposite. The threaded connecting rod 91 is rotatably connected to the lower mounting plate 3 and the upper mounting plate 5. When disassembling and replacing the mold, since the mold sizes are different, personnel can drive the threaded connecting rod 91 to rotate by rotating the adjusting seat 92, so that the positioning stop blocks 31 on both sides move synchronously, so as to adjust the positioning stop blocks 31 on the front and rear sides and the left and right sides respectively, which is convenient for adapting to the length and width of the mold, realizes automatic positioning during mold replacement, and aligns the axis of the mold with the axis of the fixed seat, ensuring the alignment after mold replacement and improving the convenience.

[0026] During operation, the upper mold 6 is installed on the upper mounting plate 5, and the lower mold 4 is installed on the lower mounting plate 3. The positioning stop blocks 31 on the mounting plate are attached to the sides of the mold, which is convenient for positioning during installation. When the upper mold 6 moves downward, the guide sleeve 82 slides on the guide rod 81, which is convenient for positioning and guiding during mold clamping. At the same time, the positioning block 61 enters the positioning groove 41 to prevent the mold from shifting during mold clamping, improving the positioning effect. When it is necessary to disassemble and replace the mold, since the mold sizes are different, personnel can drive the threaded connecting rod 91 to rotate by rotating the adjusting seat 92, so that the positioning stop blocks 31 on both sides move synchronously, so as to adjust the positioning stop blocks 31 on the front and rear sides and the left and right sides respectively, which is convenient for adapting to the length and width of the mold, realizes automatic positioning during mold replacement, and aligns the axis of the mold with the axis of the fixed seat, ensuring the alignment after mold replacement and improving the convenience.

[0027] At the same time, the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

Claims

1. An automatic positioning device for a mold, comprising a lower fixed seat (1), an upper fixed seat (2), a lower mounting plate (3), a lower mold (4), an upper mounting plate (5) and an upper mold (6), characterized in that: The upper end of the lower fixing seat (1) is fixedly connected to the lower mounting plate (3). The lower die (4) is mounted on the upper end of the lower mounting plate (3). The lower end of the upper fixing seat (2) is movably connected to the upper end of the upper mounting plate (5) through a buffer assembly (7). The upper die (6) is mounted on the lower end of the upper mounting plate (5). A guiding assembly (8) is arranged between the lower fixing seat (1) and the upper fixing seat (2). Adjusting assemblies (9) are arranged inside both the lower mounting plate (3) and the upper mounting plate (5). Positioning blocks (31) are arranged at the upper end of the lower mounting plate (3). There are four positioning blocks (31). The same positioning blocks (31) are arranged at the lower end of the upper mounting plate (5). The positioning blocks (31) are respectively slidably connected to the lower mounting plate (3) and the upper mounting plate (5).

2. The automatic positioning device for a mold according to claim 1, characterized in that: The buffer assembly (7) includes positioning columns (71). There are four positioning columns (71). The lower ends of the positioning columns (71) are fixedly connected to the upper end of the upper mounting plate (5). The upper ends of the positioning columns (71) are slidably connected to the upper fixing seat (2). Buffer springs (72) are fixedly connected to the upper end of the upper mounting plate (5) on the side of the positioning columns (71). The upper ends of the buffer springs (72) are fixedly connected to the upper fixing seat (2).

3. An automatic positioning device for a mold according to claim 1, characterized in that: The guiding assembly (8) includes guiding rods (81). Guiding rods (81) are arranged on the side of the upper end of the lower fixing seat (1). There are four guiding rods (81). Guiding sleeves (82) are arranged on the side of the lower end of the upper fixing seat (2). The guiding rods (81) are slidably connected to the guiding sleeves (82), and the upper ends of the guiding rods (81) extend to the outside of the guiding sleeves (82) and are slidably connected to the upper fixing seat (2).

4. An automatic positioning device for a mold according to claim 1, characterized in that: Positioning grooves (41) are formed on the side of the upper end of the lower die (4). There are four positioning grooves (41). Positioning blocks (61) are fixedly mounted on the side of the lower end of the upper die (6). The positioning blocks (61) correspond to the positioning grooves (41) one by one.

5. An automatic positioning device for a mold according to claim 1, characterized in that: The adjusting assembly (9) includes threaded connecting rods (91). Threaded connecting rods (91) are installed inside both the lower mounting plate (3) and the upper mounting plate (5). Adjusting seats (92) are installed at both ends of the threaded connecting rods (91). There are two threaded connecting rods (91) respectively arranged in the lower mounting plate (3) and the upper mounting plate (5). The two threaded connecting rods (91) are distributed in a cross shape, and the two threaded connecting rods (91) are not in the same horizontal plane.

6. The automatic positioning device for a mold according to claim 5, characterized in that: The threaded connecting rod (91) is composed of a threaded rod (911) and a connecting rod (912). There are two threaded rods (911). The two threaded rods (911) are respectively fixedly connected to both ends of the connecting rod (912). A nut block (913) is threadedly connected to the surface of the threaded rod (911). The nut block (913) is fixedly connected to the lower end of the positioning block (31).

7. An automatic positioning device for a mold according to claim 6, characterized in that: The pitches of the two threaded rods (911) are the same and the threads are opposite. The threaded connecting rod (91) is rotatably connected to the lower mounting plate (3) and the upper mounting plate (5).

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