Linear drive mechanism for injection molding of iron parts

Abstract

The utility model relates to linear drive mechanism technical field discloses injection molding package iron part mould's linear drive mechanism, include: linear hydraulic cylinder, its cylinder body is fixed in the one side of base, and piston rod extends along the horizontal direction, the one side with piston rod end fixedly connected of linear hydraulic cylinder of slide base, does horizontal reciprocating motion with piston rod, the inclined guide plate is located the top of slide base, the base is opened with the slide groove, the top of slide base is equipped with the convex edge of adaptation with the slide groove correspondingly. Through linear hydraulic cylinder drive slide base reciprocating motion, the guide limit structure that combines the convex edge of slide base and the slide groove of base, realize the stable horizontal movement of slide base, the inclined guide plate can convert external vertical force into horizontal driving force, improve the power transmission efficiency and action cooperativity of mechanism, the action stroke of external component can be accurately limited by the limiting adjusting block, avoid the damage of excessive action to the mechanism, the whole integration inclined guide plate, insert and limiting adjusting block.

Description

Technical Field

[0001] This utility model relates to the field of linear drive mechanism technology, specifically to a linear drive mechanism for injection molding of metal parts. Background Technology

[0002] In existing linear drive mechanisms for injection-molded metal parts, the guide structure design of the driving and sliding components is unreasonable, resulting in poor stability and significant wobbling when the sliding components move horizontally, affecting the assembly accuracy of the injection-molded metal parts. Traditional mechanisms lack efficient power conversion components, making it impossible to accurately convert external vertical forces into horizontal driving forces, resulting in low power transmission efficiency, poor action coordination, and difficulty in adapting to the multi-directional force transmission requirements during injection molding. Existing mechanisms do not have reliable stroke limit components, and external pressure blocks and other components are prone to excessive movement, which can cause collisions or wear to the core components inside the mechanism, reducing the service life of the mechanism. Utility Model Content

[0003] The purpose of this invention is to provide a linear drive mechanism for injection molded metal parts, so as to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a linear drive mechanism for injection molded metal parts, comprising: A linear hydraulic cylinder, the cylinder body of which is fixed to one side of the base, and the piston rod extends horizontally; The slide block has one side fixedly connected to the end of the piston rod of the linear hydraulic cylinder and moves horizontally reciprocating with the piston rod. An inclined guide plate is disposed above the slide block. A sliding groove is provided on the base. A protruding edge that matches the sliding groove is provided on the top of the slide block. The protruding edge is embedded in the sliding groove to form a linear guide and limiting structure. An insert is fixed to the side of the slide block away from the inclined guide plate. A limit adjustment block is installed on the top of the slide and located beside the inclined guide plate. The limit adjustment block is connected to the slide by a threaded fastener.

[0005] The beneficial effects of adopting the above technical solution are as follows: the slide block is driven to reciprocate by a linear hydraulic cylinder, and the guide and limiting structure formed by the convex edge of the slide block and the groove of the base realizes the stable horizontal movement of the slide block; the inclined guide plate can convert the external vertical force into horizontal driving force, improving the power transmission efficiency and action coordination of the mechanism; the limit adjustment block can accurately limit the movement stroke of external components, avoiding damage to the mechanism due to excessive movement; the overall integration of the inclined guide plate, insert and limit adjustment block enables the mechanism to have the functions of driving, guiding, stroke limiting and power conversion, with a compact structure and suitable for the assembly requirements of injection molded iron parts.

[0006] As a further improvement of this utility model, the end face of the insert and the slide is detachably fixed by at least two screws, the end face of the slide is provided with a positioning groove, the positioning groove is used for the insert to be inserted and connected to the slide, and the outer side wall of the insert is provided with a toothed structure.

[0007] The beneficial effects of adopting the above technical solution are: the use of screws to achieve detachable connection between the insert and the slide block facilitates the replacement and maintenance of the insert; the positioning groove on the end face of the slide block can quickly pre-position the insert, improving assembly accuracy; the toothed structure on the outer wall of the insert can enhance the connection stability between the insert and the iron part, and avoid relative displacement between the insert and the iron part during injection molding.

[0008] As a further improvement of this utility model, the groove is a through groove extending in the length direction of the base, the length of the convex edge is adapted to the length of the groove, and the width of the convex edge is not greater than the groove width.

[0009] The beneficial effects of adopting the above technical solution are as follows: the through groove extending along the length of the base, combined with the convex edge of appropriate length, extends the stroke of the guide and improves the straightness of the horizontal movement of the slide; the narrow gap between the convex edge and the groove further reduces the shaking during the movement of the slide and enhances the motion stability of the mechanism.

[0010] As a further improvement of this utility model, the top of the limiting adjustment block is provided with an adjusting screw, which passes through the slide and is locked by a nut.

[0011] The beneficial effects of adopting the above technical solution are: the matching structure of the adjusting screw and nut at the top of the limit adjustment block can flexibly and finely adjust the height of the limit adjustment block, which facilitates precise control of the downward stroke of the external pressure block and avoids damage to components such as the slide and inclined guide plate caused by excessive movement of the pressure block.

[0012] As a further improvement of this utility model, the inclined guide surface of the inclined guide plate has an inclination angle of 30°-60°, and the surface of the inclined guide surface is provided with a wear-resistant coating.

[0013] The beneficial effects of adopting the above technical solution are: the inclined guide surface of the inclined guide plate adopts an inclined angle of 30°-60°, which can efficiently convert the vertical force into the horizontal component force and improve the transmission efficiency of the inclined guide plate; the wear-resistant coating on the surface of the inclined guide surface can enhance its wear resistance, extend the service life of the inclined guide plate, and reduce the cost of frequent maintenance.

[0014] As a further improvement of this utility model, the cylinder body of the linear hydraulic cylinder is provided with at least two mounting ears, which are fixedly connected to the base by bolts.

[0015] The beneficial effects of adopting the above technical solution are: at least two mounting ears on the cylinder body of the linear hydraulic cylinder provide a stable mounting point for the connection between the linear hydraulic cylinder and the base; the bolt connection method facilitates the disassembly, assembly, and position adjustment of the linear hydraulic cylinder, and improves the maintenance convenience of the mechanism.

[0016] As a further improvement of this utility model, the inclined guide plate has positioning pin holes at both ends, the slide block has corresponding positioning pins, and the positioning pins are adapted to the positioning pin holes to limit the initial position of the inclined guide plate.

[0017] The beneficial effects of adopting the above technical solution are: the positioning pin holes at both ends of the inclined guide plate are matched with the positioning pins on the slide, which can quickly limit the initial position of the inclined guide plate, ensure that the initial posture of the inclined guide plate is consistent in each working cycle, and improve the repeatability of the mechanism's actions and the assembly accuracy.

[0018] As a further improvement of this utility model, the slide block is connected to the piston rod end of the linear hydraulic cylinder via a flange, and the flange is fastened to the slide block and the piston rod respectively by bolts.

[0019] The beneficial effects of adopting the above technical solution are: by connecting the slide block and the end of the linear hydraulic cylinder piston rod through the flange, the contact area between the piston rod and the slide block is increased, the connection strength and stability are improved, the slide block is prevented from loosening from the piston rod during reciprocating motion, and the working reliability of the mechanism is enhanced. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the overall structure of the linear drive mechanism of the injection mold for encased iron parts according to this utility model; Figure 2 This is a bottom view schematic diagram of the linear drive mechanism of the injection mold for encased iron parts according to this utility model; Figure 3 This is a top view schematic diagram of the linear drive mechanism for the injection molded iron-clad parts of this utility model; Figure 4 This utility model relates to a linear drive mechanism for injection molding of encapsulated iron parts. Figure 3 Schematic diagram of the AA section structure; Figure 5 This utility model relates to a linear drive mechanism for injection molding of encapsulated iron parts. Figure 3 Schematic diagram of the cross-sectional structure of the middle BB; Figure 6 This is a schematic diagram of the adjusting screw structure of the linear drive mechanism for the injection molded iron-clad parts of this utility model; Figure 7 This is a schematic diagram of the positioning groove structure of the linear drive mechanism of the injection mold for encased iron parts according to this utility model.

[0022] In the diagram: 1. Linear hydraulic cylinder; 2. Slide block; 21. Raised edge; 3. Inclined guide plate; 31. Inclined guide surface; 32. Locating pin hole; 33. Locating pin; 4. Insert; 41. Screw; 42. Toothed structure; 43. Locating groove; 5. Limit adjustment block; 51. Adjusting screw; 6. Base; 7. Mounting ear; 8. Slide groove; 9. Flange. Detailed Implementation

[0023] 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.

[0024] Please see Figures 1-7 This utility model provides a linear drive mechanism for injection molded metal parts, comprising: A linear hydraulic cylinder 1 has its cylinder body fixed to one side of the base 6, and its piston rod extends horizontally. The slide 2 is fixedly connected to the end of the piston rod of the linear hydraulic cylinder 1 on one side, and moves horizontally reciprocating with the piston rod; An inclined guide plate 3 is set above the slide block 2. A slide groove 8 is provided on the base 6. A protruding edge 21 that is adapted to the slide groove 8 is provided on the top of the slide block 2. The protruding edge 21 is embedded in the slide groove 8 to form a linear guide limiting structure. Insert 4 is fixed to the end face of the slide block 2 away from the inclined guide plate 3; The limit adjustment block 5 is installed on the top of the slide block 2 and located next to the inclined guide plate 3. The limit adjustment block 5 is connected to the slide block 2 by threaded fasteners.

[0025] The beneficial effects of adopting the above technical solution are as follows: the linear hydraulic cylinder 1 drives the slide 2 to reciprocate, and the guide and limiting structure formed by the convex edge 21 of the slide 2 and the sliding groove 8 of the base 6 realizes the stable horizontal movement of the slide 2; the inclined guide plate 3 can convert the external vertical force into the horizontal driving force, improving the power transmission efficiency and action coordination of the mechanism; the limit adjustment block 5 can accurately limit the movement stroke of the external components, avoiding excessive movement that could damage the mechanism; the overall integration of the inclined guide plate 3, the insert 4 and the limit adjustment block 5 enables the mechanism to have the functions of driving, guiding, stroke limiting and power conversion, with a compact structure that is suitable for the assembly requirements of injection molded iron parts.

[0026] As a further improvement of this utility model, the end face of the insert 4 and the slide 2 is detachably fixed by at least two screws 41. The end face of the slide 2 is provided with a positioning groove 43, which is used for the insert 4 to be inserted and connected to the slide 2. The outer side wall of the insert 4 is provided with a toothed structure 42.

[0027] The beneficial effects of adopting the above technical solution are: the use of screws 41 to achieve detachable connection between insert 4 and slide 2, which facilitates the replacement and maintenance of insert 4; the positioning groove 43 on the end face of slide 2 can quickly pre-position insert 4, improving assembly accuracy; the toothed structure 42 on the outer wall of insert 4 can enhance the connection stability between insert 4 and iron part, and avoid relative displacement between insert 4 and iron part during injection molding.

[0028] As a further improvement of this utility model, the slide groove 8 is a through groove extending in the length direction of the base 6, the length of the protruding edge 21 is adapted to the length of the slide groove 8, and the width of the protruding edge 21 is not greater than the groove width of the slide groove 8.

[0029] The beneficial effects of adopting the above technical solution are as follows: the through groove 8 extending along the length of the base 6, in conjunction with the convex edge 21 of appropriate length, extends the stroke of the guide engagement and improves the straightness of the horizontal movement of the slide block 2; the narrow clearance engagement between the convex edge 21 and the groove 8 further reduces the shaking during the movement of the slide block 2 and enhances the motion stability of the mechanism.

[0030] As a further improvement of this utility model, the top of the limit adjustment block 5 is provided with an adjusting screw 51, which passes through the slide block 2 and is locked by a nut.

[0031] The beneficial effects of adopting the above technical solution are: the matching structure of the adjusting screw 51 and nut at the top of the limit adjustment block 5 can flexibly and finely adjust the height of the limit adjustment block 5, which facilitates precise control of the downward stroke of the external pressure block and avoids damage to components such as the slide block 2 and the inclined guide plate 3 caused by excessive movement of the pressure block.

[0032] As a further improvement of this utility model, the inclined guide surface 31 of the inclined guide plate 3 has an inclination angle of 30°-60°, and the surface of the inclined guide surface 31 is provided with a wear-resistant coating.

[0033] The beneficial effects of adopting the above technical solution are: the inclined guide surface 31 of the inclined guide plate 3 adopts an inclined angle of 30°-60°, which can efficiently convert the vertical force into the horizontal component force and improve the transmission efficiency of the inclined guide plate 3; the wear-resistant coating on the surface of the inclined guide surface 31 can enhance its wear resistance, extend the service life of the inclined guide plate 3, and reduce the cost of frequent maintenance.

[0034] As a further improvement of this utility model, the cylinder body of the linear hydraulic cylinder 1 is provided with at least two mounting ears 7, which are fixedly connected to the base 6 by bolts.

[0035] The beneficial effects of adopting the above technical solution are: at least two mounting ears 7 on the cylinder body of the linear hydraulic cylinder 1 provide a stable mounting point for the connection between the linear hydraulic cylinder 1 and the base 6; the bolt connection method facilitates the disassembly, assembly and position adjustment of the linear hydraulic cylinder 1, and improves the maintenance convenience of the mechanism.

[0036] As a further improvement of this utility model, the inclined guide plate 3 has positioning pin holes 32 at both ends, and the slide 2 has corresponding positioning pins 33. The positioning pins 33 and the positioning pin holes 32 are adapted to limit the initial position of the inclined guide plate 3.

[0037] The beneficial effects of adopting the above technical solution are: the positioning pin holes 32 at both ends of the inclined guide plate 3 are adapted to the positioning pins 33 on the slide block 2, which can quickly limit the initial position of the inclined guide plate 3, ensure that the initial posture of the inclined guide plate 3 is consistent in each working cycle, and improve the repeatability of the mechanism's actions and the assembly accuracy.

[0038] As a further improvement of this utility model, the slide block 2 is connected to the piston rod end of the linear hydraulic cylinder 1 through a flange 9, and the flange 9 is fastened to the slide block 2 and the piston rod respectively by bolts.

[0039] The beneficial effects of adopting the above technical solution are: the connection between the slide block 2 and the piston rod end of the linear hydraulic cylinder 1 is realized by the flange 9, which increases the connection contact area between the piston rod and the slide block 2, improves the connection strength and stability, avoids the slide block 2 from loosening from the piston rod during reciprocating motion, and enhances the working reliability of the mechanism.

[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A linear drive mechanism for injection molded metal parts, characterized in that, include: A linear hydraulic cylinder, the cylinder body of which is fixed to one side of the base, and the piston rod extends horizontally; The slide block has one side fixedly connected to the end of the piston rod of the linear hydraulic cylinder and moves horizontally reciprocating with the piston rod. An inclined guide plate is disposed above the slide block. A sliding groove is provided on the base. A protruding edge that matches the sliding groove is provided on the top of the slide block. The protruding edge is embedded in the sliding groove to form a linear guide and limiting structure. An insert is fixed to the side of the slide block away from the inclined guide plate. A limit adjustment block is installed on the top of the slide and located beside the inclined guide plate. The limit adjustment block is connected to the slide by a threaded fastener.

2. The linear drive mechanism for injection-molded metal parts according to claim 1, characterized in that, The insert and the slide are detachably fixed to each other by at least two screws. The slide has a positioning groove on its end face for inserting and connecting with the slide. The outer side wall of the insert has a toothed structure.

3. The linear drive mechanism for injection-molded metal parts according to claim 1, characterized in that, The groove is a through groove extending along the length of the base. The length of the protruding edge is adapted to the length of the groove, and the width of the protruding edge is not greater than the width of the groove.

4. The linear drive mechanism for injection-molded metal parts according to claim 1, characterized in that, The top of the limit adjustment block is provided with an adjusting screw, which passes through the slide and is locked by a nut.

5. The linear drive mechanism for injection-molded metal parts according to claim 1, characterized in that, The inclined guide plate has an inclination angle of 30°-60° on its inclined guide surface, and the surface of the inclined guide surface is provided with a wear-resistant coating.

6. The linear drive mechanism for injection-molded metal parts according to claim 1, characterized in that, The linear hydraulic cylinder has at least two mounting ears on its cylinder body, and the mounting ears are fixedly connected to the base by bolts.

7. The linear drive mechanism for injection molded metal parts according to claim 1, characterized in that, The inclined guide plate has positioning pin holes at both ends, and the slide block has corresponding positioning pins. The positioning pins are adapted to the positioning pin holes to limit the initial position of the inclined guide plate.

8. The linear drive mechanism for injection-molded metal parts according to claim 1, characterized in that, The slide block is connected to the piston rod end of the linear hydraulic cylinder via a flange, and the flange is fastened to the slide block and piston rod respectively with bolts.

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