Die with guiding function

Abstract

The utility model discloses a mould with a guiding function, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a lower mould, the top of the lower mould is contacted with an upper mould, the top of the upper mould is fixedly connected with a connecting column, the upper end of the bottom plate is fixedly connected with four uniformly distributed supporting rods, and the lower end of the bottom plate is fixedly connected with the connecting column. A fixing plate is fixedly connected to the top of the supporting rod, an air cylinder is fixedly connected to the top of the fixing plate, and the output end of the air cylinder is slidably connected with the fixing plate. By designing the sliding connection of the guide rod and the guide sleeve, the movement of the upper die can be guided, the die assembly of the die is more accurate, sliding friction can be changed into rolling friction under the action of the balls, the guide friction force can be reduced, the abrasion of a guide part can be reduced, and the service life of the guide part can be prolonged; and in the guiding process, the ball can extrude the sponge block, lubricating oil can be extruded and discharged, automatic lubrication of the guiding component is achieved, and guiding friction is further reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a mold with a guiding function. Background Art

[0002] The injection mold is generally divided into an upper mold and a lower mold, and both the upper mold and the lower mold are integral structures, mainly including a concave mold with a variable cavity composed of a concave mold combination base plate, a concave mold assembly and a concave mold combination clamping plate, and a convex mold with a variable core composed of a convex mold combination base plate, a convex mold assembly, a convex mold combination clamping plate, a cavity truncation assembly and a side-section combination plate.

[0003] The utility model patent with the patent authorization announcement number CN218139565U discloses an injection mold for an injection molding machine, which relates to the technical field of injection molding machines, including a workbench, a mounting frame fixedly mounted on the upper end of the workbench, an electric telescopic rod mounted on the mounting frame, and a lower mold assembly fixedly mounted on the upper end face of the workbench, wherein a fixing plate is fixedly mounted at the bottom of the electric telescopic rod, an upper mold plate used in conjunction with the lower mold assembly is fixedly mounted at the bottom of the fixing plate, and an installation box is also fixedly mounted at the bottom of the workbench, wherein a driving assembly used in conjunction with the lower mold assembly is arranged in the installation box. In the utility model, by setting the lower mold assembly, the upper mold plate, and the driving assembly used in conjunction, the mold can be driven to close the mold by the electric telescopic rod during the injection molding process, without the need for fixing by bolts, and after the injection molding is completed, the movable cover is lowered to facilitate demolding.

[0004] In the above-mentioned prior art, during the use of the mold, when the mold is guided, the guiding friction is large and it is inconvenient to lubricate the guiding parts. The guiding parts are greatly worn, which will affect the service life of the mold, so improvement is needed. Utility Model Content

[0005] The utility model aims to provide a mold with a guiding function, which solves the problem of large friction during mold guiding.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mold with a guiding function, comprising a base plate, a lower mold is fixedly connected to the top of the base plate, the top of the lower mold contacts the upper mold, the top of the upper mold is fixedly connected to a connecting column, the upper end of the base plate is fixedly connected to four evenly distributed support rods, the top of the support rods is fixedly connected to a fixed plate, the top of the fixed plate is fixedly connected to a cylinder, the output end of the cylinder is slidably connected to the fixed plate, the output end of the cylinder is fixedly connected to the connecting column, the left and right ends of the upper mold are fixedly connected to fixed bars, a guiding mechanism is provided on the fixed bar, and a limiting mechanism is provided on the upper mold.

[0007] Preferably, the guide mechanism includes a guide rod, the lower end of the fixed strip is fixedly connected to the guide rod, the outer side of the guide rod is slidably sleeved with a guide sleeve, the guide sleeve is fixedly connected to the bottom plate, the inner side of the guide sleeve is movably sleeved with a plurality of evenly distributed balls, the balls are slidably connected to the guide rod, the bottom of the guide rod is fixedly connected to a sponge block, the sponge block is slidably connected to the guide sleeve, a flow channel is provided inside the guide rod, a plug is clamped inside the flow channel, the plug is slidably connected to the fixed strip, a plug is fixedly connected to the top of the plug, and the plug is clamped to the fixed strip. By designing the guide mechanism, the mold closing process can be guided.

[0008] Preferably, a slide groove is provided inside the guide rod, and a ball is slidably connected inside the slide groove. By designing the slide groove, the guide rod and the ball can slide relative to each other.

[0009] Preferably, the limiting mechanism includes a pressure rod, the bottom of the lower end of the fixed bar is fixedly connected with a pressure rod, the lower end of the pressure rod contacts an inclined block, the inclined block is slidably connected to the bottom plate, the inclined block contacts the lower mold and the upper mold respectively, the front and rear ends of the inclined block are fixedly connected with fixed blocks, the fixed block is slidably connected to the bottom plate, the outer side of the fixed block is fixedly connected with a sliding rod, the outer side of the sliding rod is slidably sleeved with a sliding sleeve, the sliding sleeve is fixedly connected to the bottom plate, a spring is arranged inside the sliding sleeve, the end of the sliding rod away from the fixed block is fixedly connected with a guide block, the guide block is slidably connected to the sliding sleeve, the end of the inclined block close to the upper mold is fixedly connected with two limiting blocks, and the two limiting blocks are slidably connected to the upper mold and the lower mold respectively. By designing a limiting mechanism, the stability of the mold after mold closing can be improved.

[0010] Preferably, one end of the spring is fixedly connected to the sliding sleeve, and the other end of the spring is fixedly connected to the guide block. The spring is designed so that the force of the spring can act on the guide block.

[0011] Preferably, the lower die and the upper die are provided with limiting grooves inside, and the limiting blocks are slidably connected inside the limiting grooves. The limiting grooves are designed so that the limiting blocks can slide into the limiting grooves.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model can guide the movement of the upper mold by designing a sliding connection between the guide rod and the guide sleeve, so that the mold closing is more accurate, and the sliding friction can be converted into rolling friction through the action of the ball, which can reduce the guide friction, reduce the wear of the guide parts, and increase their service life. In the guiding process, the ball can squeeze the sponge block and squeeze out the lubricating oil, thereby realizing automatic lubrication of the guide parts and further reducing the guide friction.

[0014] 2. The utility model designs the function of the pressure rod. During the mold closing process, the pressure rod can move downward with the upper mold. The pressure rod can squeeze and push the inclined block, so that the inclined block can drive the limit block to move horizontally. Finally, the limit block can be inserted into the lower mold and the upper mold respectively, and the mold can be limited, so that the mold is more stable and reliable after the mold is closed, and the molding effect of the product is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 A front cross-sectional view of a local structure of the bottom plate;

[0017] Figure 3 For this utility model Figure 2 A magnified image of point A;

[0018] Figure 4 For this utility model Figure 1 A three-dimensional cross-sectional view of the sleeve structure.

[0019] In the figure: 1. base plate; 2. lower die; 3. upper die; 4. connecting column; 5. support rod; 6. fixed plate; 7. cylinder; 8. guide mechanism; 9. limit mechanism; 10. fixed strip; 81. guide rod; 82. guide sleeve; 83. ball; 84. slide groove; 85. sponge block; 86. flow channel; 87. plug; 88. plug; 91. pressure rod; 92. inclined block; 93. fixed block; 94. slide rod; 95. slide sleeve; 96. spring; 97. guide block; 98. limit block; 99. limit groove. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1 , Figure 2A mold with a guiding function comprises a bottom plate 1, a lower mold 2 is fixedly connected to the top of the bottom plate 1, an upper mold 3 is in contact with the top of the lower mold 2, a connecting column 4 is fixedly connected to the top of the upper mold 3, four evenly distributed support rods 5 are fixedly connected to the upper end of the bottom plate 1, a fixed plate 6 is fixedly connected to the top of the support rod 5, a cylinder 7 is fixedly connected to the top of the fixed plate 6, an output end of the cylinder 7 is slidably connected to the fixed plate 6, and an output end of the cylinder 7 is fixedly connected to the connecting column 4, both left and right ends of the upper mold 3 are fixedly connected to fixing bars 10, a guiding mechanism 8 is arranged on the fixing bar 10, and a limiting mechanism 9 is arranged on the upper mold 3.

[0022] See also Figure 1 , Figure 2 , Figure 3 The guide mechanism 8 includes a guide rod 81, the lower end of the fixed strip 10 is fixedly connected to the guide rod 81, the outer side of the guide rod 81 is slidably sleeved with a guide sleeve 82, the guide sleeve 82 is fixedly connected to the bottom plate 1, and the inner movably sleeve of the guide sleeve 82 is provided with a plurality of evenly distributed balls 83, the balls 83 are slidably connected to the guide rod 81, a slide groove 84 is provided inside the guide rod 81, and the balls 83 are slidably connected inside the slide groove 84. By designing the slide groove 84, the guide rod 81 can slide relative to the balls 83, a sponge block 85 is fixedly connected to the bottom of the guide rod 81, and the sponge block 85 is slidably connected to the guide sleeve 82, a flow channel 86 is provided inside the guide rod 81, and a plug 87 is clamped inside the flow channel 86, the plug 87 is slidably connected to the fixed strip 10, and a plug 88 is fixedly connected to the top of the plug 87, and the plug 88 is clamped with the fixed strip 10. By designing the guide mechanism 8, the mold closing process can be guided.

[0023] See also Figure 1 , Figure 2 , Figure 4The limiting mechanism 9 includes a pressure rod 91, a pressure rod 91 is fixedly connected to the bottom of the lower end of the fixed strip 10, the lower end of the pressure rod 91 contacts an inclined block 92, the inclined block 92 is slidably connected to the bottom plate 1, and the inclined block 92 contacts the lower mold 2 and the upper mold 3 respectively. The front and rear ends of the inclined block 92 are fixedly connected to fixed blocks 93, and the fixed block 93 is slidably connected to the bottom plate 1. The outer side of the fixed block 93 is fixedly connected to a sliding rod 94, and the outer side of the sliding rod 94 is slidably sleeved with a sliding sleeve 95, and the sliding sleeve 95 is fixedly connected to the bottom plate 1. A spring 96 is arranged inside the sliding sleeve 95, one end of the spring 96 is fixedly connected to the sliding sleeve 95, and the other end of the spring 96 is connected to the guide block 97. Fixed connection, by designing spring 96, the force of spring 96 can act on guide block 97, the end of slide rod 94 away from fixed block 93 is fixedly connected with guide block 97, guide block 97 is slidably connected with sleeve 95, the end of inclined block 92 close to upper die 3 is fixedly connected with two limit blocks 98, the two limit blocks 98 are slidably connected with upper die 3 and lower die 2 respectively, limit grooves 99 are provided inside lower die 2 and upper die 3, the limit grooves 99 are slidably connected with limit blocks 98, by designing limit grooves 99, limit blocks 98 can slide into limit grooves 99, by designing limit mechanism 9, the stability of mold after mold closing can be improved.

[0024] The specific implementation process of the utility model is as follows: when in use, the output end of the cylinder 7 drives the connecting column 4 and the upper mold 3 to move downward, and the upper mold 3 drives the fixed bar 10 to move downward. The fixed bar 10 will drive the guide rod 81 to slide along the guide sleeve 82, and at the same time, the ball 83 and the guide rod 81 will slide relative to each other, so as to guide the movement of the upper mold 3, so that the mold closing is more precise, and through the action of the ball 83, the sliding friction can be converted into rolling friction, which can reduce the guiding friction, reduce the wear of the guiding components, and increase their service life. While the guide rod 81 moves and guides, the guide rod 81 will drive the sponge block 85 to move. When the sponge block 85 contacts with the ball 83, it will be squeezed by the ball 83, and the lubricating fluid stored in the sponge block 85 will be squeezed out, which can lubricate the guide rod 81, the guide sleeve 82 and the ball 83, realize the automatic lubrication of the guiding components, and further reduce the guiding friction. During the downward movement of the fixed bar 10, the fixed bar 10 will drive the pressure rod 91 to move downward. The pressure rod 91 will slide along the inclined surface of the inclined block 92 to squeeze and push the inclined block 92 to move horizontally. The inclined block 92 will drive the fixed block 93 and the sliding rod 94 to move. The sliding rod 94 will drive the guide block 97 to move. The guide block 97 will squeeze the spring 96. At the same time, the inclined block 92 will drive the limit block 98 to move, so that the limit block 98 slides into the upper mold 3 and the lower mold 2 respectively, which can limit the mold, making the mold more stable and reliable after the mold is closed, and the molding effect of the product is better.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mold with a guiding function, comprising a bottom plate (1), characterized in that: The top of the bottom plate (1) is fixedly connected to a lower mold (2), the top of the lower mold (2) contacts an upper mold (3), the top of the upper mold (3) is fixedly connected to a connecting column (4), the upper end of the bottom plate (1) is fixedly connected to four evenly distributed support rods (5), the top of the support rods (5) is fixedly connected to a fixing plate (6), the top of the fixing plate (6) is fixedly connected to a cylinder (7), the output end of the cylinder (7) is slidably connected to the fixing plate (6), the output end of the cylinder (7) is fixedly connected to the connecting column (4), the left and right ends of the upper mold (3) are fixedly connected to fixing bars (10), the fixing bars (10) are provided with a guide mechanism (8), and the upper mold (3) is provided with a limiting mechanism (9).

2. A mold with a guiding function according to claim 1, characterized in that: The guide mechanism (8) comprises a guide rod (81), the lower end of the fixed strip (10) is fixedly connected to the guide rod (81), the outer side of the guide rod (81) is slidably sleeved with a guide sleeve (82), the guide sleeve (82) is fixedly connected to the bottom plate (1), a plurality of evenly distributed balls (83) are movably sleeved inside the guide sleeve (82), the balls (83) are slidably connected to the guide rod (81), a sponge block (85) is fixedly connected to the bottom of the guide rod (81), the sponge block (85) is slidably connected to the guide sleeve (82), a flow channel (86) is provided inside the guide rod (81), a plug (87) is clamped inside the flow channel (86), the plug (87) is slidably connected to the fixed strip (10), a plug (88) is fixedly connected to the top of the plug (87), and the plug (88) is clamped to the fixed strip (10).

3. A mold with a guiding function according to claim 2, characterized in that: A sliding groove (84) is provided inside the guide rod (81), and a ball (83) is slidably connected inside the sliding groove (84).

4. The mold with a guiding function according to claim 1, characterized in that: The limiting mechanism (9) comprises a pressure rod (91), the bottom of the lower end of the fixing strip (10) is fixedly connected with the pressure rod (91), the lower end of the pressure rod (91) contacts with an inclined block (92), the inclined block (92) is slidably connected with the bottom plate (1), the inclined block (92) contacts with the lower mold (2) and the upper mold (3) respectively, the front and rear ends of the inclined block (92) are fixedly connected with fixed blocks (93), the fixed block (93) is slidably connected with the bottom plate (1), and the outer side of the fixed block (93) is fixedly connected with a sliding rod (94) The outer side of the slide rod (94) is slidably sleeved with a slide sleeve (95), the slide sleeve (95) is fixedly connected to the bottom plate (1), a spring (96) is arranged inside the slide sleeve (95), the end of the slide rod (94) away from the fixed block (93) is fixedly connected with a guide block (97), the guide block (97) is slidably connected to the slide sleeve (95), and the end of the inclined block (92) close to the upper mold (3) is fixedly connected with two limit blocks (98), and the two limit blocks (98) are slidably connected to the upper mold (3) and the lower mold (2) respectively.

5. The mold with a guiding function according to claim 4, characterized in that: One end of the spring (96) is fixedly connected to the sliding sleeve (95), and the other end of the spring (96) is fixedly connected to the guide block (97).

6. The mold with a guiding function according to claim 1, characterized in that: The lower die (2) and the upper die (3) are both provided with a limiting groove (99), and the limiting groove (99) is slidably connected to a limiting block (98) inside.

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