Guiding and positioning mechanism of plastic mold

Abstract

The utility model relates to the technical field of guiding and positioning of plastic molds, and discloses a guiding and positioning mechanism of a plastic mold, which comprises a fixed mold set, a movable mold set, a guide rod, a hydraulic rod and two positioning devices consisting of adjusting rods and positioning pieces, four guide rods which are distributed in an axial symmetry mode are arranged at the top end of the fixed module, the ends, corresponding to the interior of the fixed module, of the guide rods are connected with the positioning device in a matched and clamped mode, a hydraulic rod is arranged at the top of the fixed module, a hydraulic push rod of the hydraulic rod is vertically downward, and a movable module is arranged between the hydraulic rod and the fixed module; the guide positioning mechanism of the plastic mold has the advantages that the guide positioning mechanism is simple in structure and convenient to use, the speed of fixing and detaching the guide rods can be greatly increased, and the precision of finished plastic products can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to plastic mould guiding and positioning technical field, concretely is a kind of guiding and positioning mechanism of plastic mould. BACKGROUND

[0002] Plastic mould is a kind of used for the combination type mould of pressure plastic, extrusion, injection, blow molding and low foaming forming, and the coordinated change of mould male die, female die and auxiliary forming system can process a series of plastic parts with different shapes and different sizes.

[0003] However, the guide rod and the guide hole of the existing mould will rub each other in the operation process, and after long-term use, the guide rod needs to be disassembled for maintenance and repair or replacement, but the disassembly process of the guide rod is quite cumbersome, as the four guide rods need to be disassembled and fixed one by one, which results in low overall efficiency, therefore, we propose a guiding and positioning mechanism of plastic mould. UTILITY MODEL CONTENT

[0004] (I) Technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a guiding and positioning mechanism of plastic mould, which solves the above problems.

[0006] (II) Technical scheme

[0007] To achieve the above purposes, the utility model provides the following technical scheme: a guiding and positioning mechanism of plastic mould, which comprises a fixed die set, a movable die set, guide rods and a hydraulic rod, and a positioning device composed of an adjusting rod and a positioning member, the inside of the fixed die set is provided with two positioning devices that are axially symmetrically distributed, and the top end of the fixed die set is provided with four guide rods that are axially symmetrically distributed, the guide rods are correspondingly connected with the positioning devices inside the fixed die set through clamping, and the top of the fixed die set is provided with a hydraulic rod, the hydraulic push rod of the hydraulic rod is vertically downward, and the hydraulic rod is provided with the movable die set between the fixed die set, the top end of the movable die set is correspondingly welded with the hydraulic push rod of the hydraulic rod, and the four corners of the movable die set are connected with the guide rods through sliding fit.

[0008] Preferably, four placing grooves that are axially symmetrically distributed are formed in the four corners of the top end of the fixed die set, the placing grooves are correspondingly connected with the guide rods, two internal cavities that are axially symmetrically distributed are formed in the inside of the fixed die set, the internal cavities are correspondingly communicated with the side walls of the placing grooves, the opposite side walls of the two internal cavities of the fixed die set are both provided with a matching hole one, the matching hole one is communicated with the side wall of the internal cavity, two sliding grooves that are axially symmetrically distributed are formed in the side of the matching hole one, the internal wall of the internal cavity is provided with two auxiliary holes that are axially symmetrically distributed away from the side of the matching hole one, a matching hole two is formed in the top end of the fixed die set, the matching hole two is correspondingly connected with the hydraulic push rod of the hydraulic rod, and a connecting hole is formed in the side of the matching hole two of the top of the fixed die set, which is fixedly connected with the hydraulic rod.

[0009] Preferably, the positioning member is composed of three parts, namely a matching plate, a sliding plate and six equidistantly distributed springs, and the two ends of the spring are correspondingly welded inside the matching plate and the sliding plate, the matching plate is correspondingly attached to the inner wall of the inner cavity, and a matching hole three is formed in the center of the side wall of the matching plate.

[0010] Preferably, the sliding plate is provided with two axially symmetrically distributed positioning blocks on the side away from the spring, and the positioning blocks are correspondingly clamped with the guide rod, and two axially symmetrically distributed auxiliary rods are arranged between the two positioning blocks on the side wall of the sliding plate, and the auxiliary rods are correspondingly and slidably connected with the auxiliary holes, and a protrusion is arranged in the center of the sliding plate, and a matching inner cavity is formed in the protrusion, and the matching inner cavity corresponds to the matching hole three.

[0011] Preferably, the adjusting rod is provided with a matching rod member at the inner end of the positioning member, the matching rod member passes through the matching hole one and the matching hole three, the shaft end of the matching rod member is provided with a connecting block, the connecting block is correspondingly connected with the inner gap of the matching inner cavity, and the side wall of the matching rod member is provided with two axially symmetrically distributed sliding blocks, and the sliding blocks are correspondingly and slidably connected with the sliding groove.

[0012] Preferably, the bottom of the guide rod is correspondingly connected with the placing groove, and the side wall of the bottom of the guide rod is provided with a positioning port, and the positioning port is correspondingly clamped with the positioning block.

[0013] (Three) beneficial effects

[0014] Compared with the prior art, the utility model provides a guide positioning mechanism of plastic mold, has the following beneficial effects:

[0015] 1、The guide positioning mechanism of plastic mold improves the replacement efficiency of guide rod, the traditional mold guide rod dismounting process is complicated, four guide rods need to be dismounted and fixed one by one, and the efficiency is low, but the guide positioning mechanism realizes the clamping and fixing of the guide rod through the positioning device, when the guide rod needs to be replaced, the guide rod can be released from clamping by pulling and rotating the adjusting rod outward, the complicated dismounting operation of each guide rod is not needed, the replacement process is greatly simplified, the replacement efficiency of the guide rod is improved, the time cost of mold maintenance and repair is reduced, and the production efficiency is improved.

[0016] 2、The guide positioning mechanism of plastic mold enhances the stability of guide positioning, in the guide positioning mechanism, the spring is always in a compressed state, the stability of the clamping of the positioning block and the positioning port of the guide rod is guaranteed, the position of the guide rod is stable during the working process, at the same time, the sliding cooperation of the auxiliary rod and the auxiliary hole ensures the structural stability of the positioning member when it is compressed as a whole, and the stability of guide positioning is further enhanced, during the opening and closing process of the mold, the movable mold group can slide along the guide rod accurately, the accuracy of the opening and closing action of the mold is guaranteed, and the forming quality of the plastic product is improved. Attached Figure Description

[0017] Figure 1 This is a cross-sectional schematic diagram of the guiding and positioning mechanism of the plastic mold of this utility model;

[0018] Figure 2 This is a cross-sectional view of the guide rod of the guiding and positioning mechanism for the plastic mold of this utility model;

[0019] Figure 3 This is a schematic diagram of the front sectional view of the fixed module of this utility model;

[0020] Figure 4 This is a schematic diagram of the left sectional view of the fixed module of this utility model;

[0021] Figure 5 This is a cross-sectional view of the positioning component of this utility model;

[0022] Figure 6 This is a schematic diagram of the adjusting rod of this utility model;

[0023] Figure 7 This is a schematic diagram of the guide rod of this utility model.

[0024] In the diagram: 1. Fixed module; 2. Moving module; 3. Guide rod; 4. Adjusting rod; 5. Hydraulic rod; 6. Positioning component; 7. Placement slot; 8. Inner cavity; 9. Mating hole one; 10. Slide groove; 11. Mating hole two; 12. Auxiliary hole; 13. Mating plate; 14. Spring; 15. Sliding plate; 16. Positioning block; 17. Auxiliary rod; 18. Mating inner cavity; 19. Mating hole three; 20. Mating rod; 21. Connecting block; 22. Slider; 23. Positioning port. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figures 1-7The utility model provides a kind of guiding positioning mechanism of plastic mould, including fixed mould group 1, movable mould group 2, guide rod 3 and hydraulic rod 5, and the positioning device consisting of adjusting rod 4 and locating piece 6, the inside of fixed mould group 1 is provided with two positioning devices of axial symmetry distribution, and the top end of fixed mould group 1 is equipped with four guide rods 3 of axial symmetry distribution, guide rod 3 is matched with positioning device and is clamped at the inside end of fixed mould group 1, and fixed mould group 1 top is equipped with hydraulic rod 5, the hydraulic push rod of hydraulic rod 5 is vertically downward, and hydraulic rod 5 is equipped with movable mould group 2 between fixed mould group 1, movable mould group 2 top end is welded with the hydraulic push rod of hydraulic rod 5, and movable mould group 2 four corners are slidably connected with guide rod 3, when needing to replace guide rod 3, positioning device is pulled outwards and rotates, so that positioning device is released to the clamping fixing of guide rod 3, and it is convenient to replace and disassemble.

[0027] Further, four placing grooves 7 of axial symmetry distribution are provided at the four corners of the top end of the fixed mold group 1, and the placing grooves 7 are correspondingly connected with the guide rods 3, axial symmetry distribution is provided in the inside of the fixed mold group 1 The inner cavity 8, and the inner cavity 8 is correspondingly communicated with the side wall of the placing groove 7, the opposite side walls of the fixed mold group 1 corresponding to the two inner cavities 8 are provided with a matching hole one 9, the matching hole one 9 is communicated with the side wall of the inner cavity 8, and the side of the matching hole one 9 is provided with two sliding grooves 10 of axial symmetry distribution, the inner wall of the inner cavity 8 is provided with two auxiliary holes 12 of axial symmetry distribution away from one side of the matching hole one 9, the top end of the fixed mold group 1 is provided with a matching hole two 11, the matching hole two 11 is correspondingly matched with the hydraulic push rod of the hydraulic rod 5, and the top of the fixed mold group 1 is provided with a connecting hole on the side of the matching hole two 11 and is fixedly connected with the hydraulic rod 5, the inner cavity 8 is convenient for placing the locating piece 6.

[0028] Further, the locating piece 6 is composed of three parts, which are a matching plate 13, a sliding plate 15 and six springs 14 distributed at equal distances, and the two ends of the spring 14 are correspondingly welded in the inside of the matching plate 13 and the sliding plate 15, the matching plate 13 is correspondingly attached to the inner wall of the inner cavity 8, and the side wall center of the matching plate 13 is provided with a matching hole three 19, which corresponds to the matching hole one 9, the spring 14 is always in a compressed state, which ensures the stability of the clamping of the guide rod 3.

[0029] Further, the sliding plate 15 away from one side of the spring 14 is provided with two locating blocks 16 of axial symmetry distribution, and the locating blocks 16 are correspondingly clamped with the guide rods 3, and the two locating blocks 16 between the side wall of the sliding plate 15 are provided with two auxiliary rods 17 of axial symmetry distribution, which are slidably connected with the auxiliary holes 12, and the center of the sliding plate 15 is provided with a protrusion, and the inside of the protrusion is provided with a matching inner cavity 18, which corresponds to the matching hole three 19, the locating block 16 is clamped with the locating hole 23, which ensures the stability of the position of the guide rod 3, and the auxiliary rod 17 is slidably connected with the auxiliary hole 12, which ensures the structural stability of the locating piece 6 when it is compressed as a whole.

[0030] Further, the adjusting rod 4 is provided with a matching rod 20 at the inner end of the positioning member 6, the matching rod 20 passes through the matching hole one 9 and the matching hole three 19, the shaft end of the matching rod 20 is provided with a connecting block 21, the connecting block 21 is matched and connected with the inner gap of the matching inner cavity 18, and the side wall of the matching rod 20 is provided with two axially symmetric distributed sliding blocks 22, the sliding blocks 22 are matched and connected with the sliding groove 10, when it is necessary to replace the guide rod 3, the adjusting rod 4 is pulled outwards, that is, the sliding blocks 22 slide out of the sliding groove 10, when the sliding blocks 22 slide out, the adjusting rod 4 is rotated, so that the sliding blocks 22 are dislocated with the sliding groove 10, and are clamped on the side wall of the fixed die set 1 under the action of the spring 14, at this time, the clamping and fixing of the guide rod 3 can be released, and therefore the guide rod 3 is replaced.

[0031] Further, the bottom of the guide rod 3 is matched and connected with the placing groove 7, and the side wall of the bottom of the guide rod 3 is provided with a positioning port 23, the positioning port 23 is matched and clamped with the positioning block 16.

[0032] Structural description:

[0033] The fixed die set 1 is a mold base component, axially symmetric positioning devices are arranged in the fixed die set 1, four guide rod 3 clamping positions are arranged at the top of the fixed die set 1, and hydraulic rod 5 connecting positions are further arranged at the top of the fixed die set 1, thereby providing support and cooperation basis for the movable die set 2 and the like.

[0034] The movable die set 2 is located above the fixed die set 1, the four corners are slidably matched with the guide rod 3, the top is welded with the hydraulic rod 5 hydraulic push rod, and under the driving of the hydraulic rod 5, the movable die set 2 slides along the guide rod 3 to realize the opening and closing action of the mold.

[0035] The guide rod 3 is axially symmetrically distributed at the top of the fixed die set 1, the bottom is matched with the placing groove 7, and the side wall has a positioning port 23 matched with the positioning block 16, thereby providing guidance for the movable die set 2 and ensuring the movement precision.

[0036] The adjusting rod 4 is connected with the matching rod 20 in the inner end of the positioning member 6, the adjusting rod 4 is pulled and rotated to control the clamping state of the positioning member 6 to the guide rod 3, thereby facilitating the replacement and maintenance of the guide rod 3.

[0037] The hydraulic rod 5 is installed at the top of the fixed die set 1, the hydraulic push rod is vertically downwardly welded with the movable die set 2, thereby providing power for the movable die set 2 to drive the movable die set 2 to move up and down and complete the mold opening and closing operation.

[0038] The positioning member 6 is composed of a matching plate 13, a sliding plate 15 and a spring 14, is clamped with the guide rod 3 through the positioning block 16, fixes the position of the guide rod 3, and ensures the stable work of the guide rod.

[0039] The placing groove 7 is axially symmetrically distributed at the top of the fixed die set 1, four placing grooves 7 are matched with the bottom of the guide rod 3, and the placing grooves 7 play a role in positioning and preliminary supporting the guide rod 3.

[0040] Inner cavity 8: The inner cavity 8 is axially symmetrically distributed inside the mold group 1, is communicated with the side wall of the placing groove 7, is used for placing the positioning part 6, and provides mounting space for the positioning part 6;

[0041] Matching hole one 9: The matching hole one 9 is opened on the opposite side wall of the inner cavity 8 of the mold group 1, is communicated with the inner cavity 8, is used for the matching rod 20 to pass through, realizes the connection of the adjusting rod 4 and the positioning part 6, and is axially symmetrically distributed on the side edge of the matching hole one 9;

[0042] Slide groove 10: The slide groove 10 is axially symmetrically distributed on the side edge of the matching hole one 9, is slidably matched with the sliding block 22 on the matching rod 20, assists the operation of the adjusting rod 4, and controls the action of the positioning part 6;

[0043] Matching hole two 11: The matching hole two 11 is opened at the top end of the mold group 1, is matched with the hydraulic push rod of the hydraulic rod 5, has a connecting hole on the side edge and is fixed with the hydraulic rod 5, and the installation of the hydraulic rod 5 is stable;

[0044] Auxiliary hole 12: The auxiliary hole 12 is axially symmetrically arranged on the inner wall of the inner cavity 8 away from the side of the matching hole one 9, is slidably matched with the auxiliary rod 17, and ensures that the structure is stable when the positioning part 6 is compressed;

[0045] Matching plate 13: The matching plate 13 is a component of the positioning part 6, is attached to the inner wall of the inner cavity 8, and has a matching hole three 19 opened in the center of the side wall and corresponding to the matching hole one 9 and connected with the matching rod 20;

[0046] Spring 14: The spring 14 is axially symmetrically distributed, is welded at two ends inside the matching plate 13 and the sliding plate 15, is always compressed, and ensures that the positioning block 16 is stably clamped with the guide rod 3;

[0047] Sliding plate 15: The sliding plate 15 is a component of the positioning part 6, has the positioning block 16 on the side away from the spring 14, has the matching inner cavity 18 in the center protruding block and corresponding to the matching hole three 19, and realizes the clamping of the guide rod 3;

[0048] Positioning block 16: The two positioning blocks 16 axially symmetrically distributed on the sliding plate 15 are clamped with the guide rod 3 and the bottom side wall positioning port 23 of the guide rod 3, and fix the position of the guide rod 3;

[0049] Auxiliary rod 17: The two auxiliary rods 17 axially symmetrically arranged between the two positioning blocks 16 on the side wall of the sliding plate 15 are slidably matched with the auxiliary hole 12, and the structural stability of the positioning part 6 is enhanced;

[0050] Matching inner cavity 18: The matching inner cavity 18 in the center protruding block inside the sliding plate 15 corresponds to the matching hole three 19, is matched with the connecting block 21, and assists the operation of the adjusting rod 4;

[0051] Matching hole three 19: the matching hole three 19 in the center of the side wall of the matching plate 13 corresponds to the matching hole one 9, so that the matching rod 20 can pass through the connecting adjusting rod 4 and the positioning piece 6;

[0052] Matching rod 20: the matching rod 20 corresponding to the inner end of the adjusting rod 4 of the positioning piece 6 passes through the matching hole one 9 and the matching hole three 19, and the shaft end has a connecting block 21 to control the action of the positioning piece 6;

[0053] Connecting block 21: the connecting block 21 is located at the shaft end of the matching rod 20 and cooperates with the internal gap of the matching inner cavity 18 to assist the operation of the adjusting rod 4 on the positioning piece 6;

[0054] Slider 22: two sliders 22 are distributed in axial symmetry on the side wall of the matching rod 20 and slide with the sliding groove 10 to guide and position when the adjusting rod 4 operates;

[0055] Positioning port 23: the positioning port 23 on the bottom side wall of the guide rod 3 cooperates with the positioning block 16 to ensure the stability of the position of the guide rod 3 during work.

[0056] Working principle: according to the figure, correctly install the guide positioning mechanism of the plastic mold, set two positioning devices in axial symmetry in the fixed mold group 1, set four guide rods 3 in axial symmetry on the top, the guide rods 3 correspond to the inner end of the fixed mold group 1 and cooperate with the positioning devices, the movable mold group 2 is located above the fixed mold group 1, the four corners are connected with the guide rods 3 in sliding cooperation, and the top is welded with the hydraulic push rod of the hydraulic rod 5, when the mold works, the hydraulic push rod of the hydraulic rod 5 pushes the movable mold group 2 to slide up and down along the guide rod 3, realizes the opening and closing action of the mold, the guide rod 3 plays a guiding role to ensure the accuracy and stability of the movement of the movable mold group 2, in the fixed mold group 1, the placing groove 7 is used to place the guide rod 3, the inner cavity 8 is used to place the positioning piece 6, the positioning piece 6 is composed of the matching plate 13, the sliding plate 15 and the spring 14, the spring 14 is welded at both ends of the matching plate 13 and the sliding plate 15 respectively and is always in a compressed state, the positioning block 16 on the side of the sliding plate 15 away from the spring 14 cooperates with the positioning port 23 on the bottom side wall of the guide rod 3, the auxiliary rod 17 cooperates with the auxiliary hole 12 in sliding, ensures the stable structure of the positioning piece 6, the matching rod 20 corresponding to the inner end of the adjusting rod 4 of the positioning piece 6 passes through the matching hole one 9 and the matching hole three 19, the connecting block 21 at the shaft end cooperates with the matching inner cavity 18 in a gap, the sliders 22 on the side wall cooperate with the sliding groove 10 in sliding, when it is necessary to replace the guide rod 3, the adjusting rod 4 is pulled outwards, the sliders 22 slide out along the sliding groove 10, the adjusting rod 4 is rotated to make the sliders 22 and the sliding groove 10 misaligned, under the action of the spring 14, the positioning piece 6 is clamped on the side wall of the fixed mold group 1, the clamping and fixing of the guide rod 3 are released, so that the guide rod 3 is conveniently replaced.

[0057] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A guiding and positioning mechanism of a plastic mold, comprising a fixed mold group (1), a movable mold group (2), a guiding rod (3) and a hydraulic rod (5), and a positioning device consisting of an adjusting rod (4) and a positioning member (6), characterized in that: The inside of the fixed mold group (1) is provided with two positioning devices in axial symmetry, and the top end of the fixed mold group (1) is provided with four guide rods (3) in axial symmetry, the guide rods (3) are matched and clamped with the positioning devices at the inside end of the fixed mold group (1), and the top of the fixed mold group (1) is provided with a hydraulic rod (5), the hydraulic push rod of the hydraulic rod (5) is vertically downward, and the hydraulic rod (5) is provided with a movable mold group (2) between the movable mold group (2) and the fixed mold group (1), the top end of the movable mold group (2) is correspondingly welded with the hydraulic push rod of the hydraulic rod (5), and the four corners of the movable mold group (2) are slidably connected with the guide rods (3).

2. A guide positioning mechanism for a plastic mold according to claim 1, wherein: The top end of the fixed mold group (1) is provided with four placing grooves (7) in axial symmetry at the four corners, and the placing grooves (7) are correspondingly connected with the guide rods (3), the inside of the fixed mold group (1) is provided with two inner cavities (8) in axial symmetry, and the inner cavities (8) are correspondingly communicated with the side walls of the placing grooves (7), the opposite side walls of the fixed mold group (1) corresponding to the two inner cavities (8) are provided with matching holes (9), the matching holes (9) are communicated with the side walls of the inner cavities (8), and the side edges of the matching holes (9) are provided with two sliding grooves (10) in axial symmetry, the inner walls of the inner cavities (8) away from one side of the matching holes (9) are provided with two auxiliary holes (12) in axial symmetry, the top end of the fixed mold group (1) is provided with a matching hole (11), the matching hole (11) is correspondingly matched with the hydraulic push rod of the hydraulic rod (5), and the top of the fixed mold group (1) is provided with a connecting hole which is fixedly connected with the hydraulic rod (5) and corresponds to the side edge of the matching hole (11).

3. The guide positioning mechanism for a plastic mold according to claim 1, wherein: The positioning member (6) is composed of three parts, namely a matching plate (13), a sliding plate (15) and six springs (14) in equidistant distribution, and the two ends of the spring (14) are correspondingly welded in the inside of the matching plate (13) and the sliding plate (15), the matching plate (13) is correspondingly attached to the inner wall of the inner cavity (8), and the side wall center of the matching plate (13) is provided with a matching hole (19), and the matching hole (19) corresponds to the matching hole (9).

4. The guide positioning mechanism for a plastic mold according to claim 3, wherein: The side of the sliding plate (15) away from the spring (14) is provided with two positioning blocks (16) in axial symmetry, and the positioning blocks (16) are correspondingly clamped with the guide rods (3), and the two positioning blocks (16) between the side walls of the sliding plate (15) are provided with two auxiliary rods (17) in axial symmetry, the auxiliary rods (17) are correspondingly slidably connected with the auxiliary holes (12), and the center of the sliding plate (15) is provided with a protrusion, and the inside of the protrusion is provided with a matching inner cavity (18), and the matching inner cavity (18) corresponds to the matching hole (19).

5. The guide positioning mechanism for a plastic mold according to claim 1, wherein: The adjusting rod (4) is provided with a matching rod (20) at the inside end of the positioning member (6), the matching rod (20) passes through the matching hole (9) and the matching hole (19), the shaft end of the matching rod (20) is provided with a connecting block (21), the connecting block (21) is correspondingly connected with the inside gap of the matching inner cavity (18), and the side wall of the matching rod (20) is provided with two sliding blocks (22) in axial symmetry, and the sliding blocks (22) are correspondingly slidably connected with the sliding grooves (10).

6. A guide positioning mechanism for a plastic mold according to claim 4, wherein: The bottom of the guide rod (3) is connected with the placing groove (7) in a matched mode, and the sidewall of the bottom of the guide rod (3) is provided with a positioning opening (23) which is matched with the positioning block (16) in a clamped mode.

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