CN219427358U - Forming die of cylinder cover shield - Google Patents

Abstract

The utility model discloses a forming die of a cylinder cover shield, which comprises an upper mounting plate and a lower mounting plate, wherein a fixed die plate and a movable die plate are respectively arranged at corresponding positions between the upper mounting plate and the lower mounting plate, a fixed die core and a movable die core are respectively arranged at corresponding positions between the fixed die plate and the movable die plate, a die cavity is formed after the fixed die core and the movable die core are combined, inverted buckle forming assemblies are respectively arranged at two sides of the movable die core in the movable die plate, a first forming assembly and an internal thread forming assembly are respectively arranged at the other two sides of the movable die core, and the internal thread forming assembly comprises a forming screw rod, a gear transmission mechanism and a driving device capable of driving the gear transmission mechanism. The utility model has the advantages of reasonable structure and effective demoulding, and can mould corresponding structures in products by using the back-off forming assembly, the first forming assembly and the internal thread forming assembly, and the back-off forming assembly, the oil cylinder assembly and the driving device can be driven to smoothly demould.

Description

Forming die of cylinder cover shield

Technical Field

The utility model relates to the technical field of injection molds, in particular to a molding mold of a cylinder cover shield.

Background

As shown in fig. 1, a cylinder cover shield is mainly applied to the assembly of an automobile engine, and is integrally in an L-shaped structure, one end of the L-shaped structure is provided with a connecting device, the connecting device comprises a first connecting part 01 and a second connecting part 02, the first connecting part and the second connecting part are mutually perpendicular, and the outer side wall of the first connecting part is provided with four inversions 03 which are uniformly distributed at the same interval angle; the corner that is located L shape structure is provided with the oil pipe interface 04 that is used for leading in oil, is located the inside of oil pipe interface and is provided with the internal thread connecting portion 05 that is used for connecting.

The cylinder cover shield with the structure needs to be specially designed and manufactured with a forming die so as to achieve the purposes of forming and demoulding.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a forming die for a cylinder cover shield, which aims to solve the problems of forming and demolding of products.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a forming die of cylinder cap guard shield, includes mounting panel, lower mounting panel, the relevant position between mounting panel and the lower mounting panel be provided with fixed die plate and movable mould board respectively, the relevant position between fixed die plate and the movable mould board be provided with cover half benevolence and movable mould benevolence respectively, cover half benevolence constitute the die cavity after combining with the movable mould benevolence, the mounting panel be provided with the feed port that is linked together with the die cavity, wherein both sides that lie in the movable mould benevolence in the movable mould board all are provided with back-off shaping subassembly, other both sides are provided with first shaping subassembly and internal thread shaping subassembly respectively, the front end and the die cavity of back-off shaping subassembly laminating and be provided with the push rod subassembly that can promote its removal, first shaping subassembly be provided with the hydro-cylinder subassembly that can promote its removal, internal thread shaping subassembly include shaping screw rod, gear drive mechanism to and can drive gear drive the drive arrangement, shaping screw rod and gear drive mechanism rotate and be connected.

By adopting the technical scheme, the internal thread forming assembly is formed by assembling the forming screw, the gear transmission mechanism and the driving device capable of driving the gear transmission mechanism, the forming and demolding of the internal thread connecting part in a product can be effectively and smoothly realized, the product quality is ensured, compared with the prior internal thread demolding structure, the internal thread forming assembly is obviously improved, in addition, the push rod assembly drives the movement of the inverted buckle forming assembly, the smooth demolding of four inverted buckles in the product can be realized, the oil cylinder assembly drags the first forming assembly to realize core pulling, the effective demolding of the second connecting part is ensured, and finally the formed product is smoothly obtained.

As a further improvement of the utility model, the gear transmission mechanism comprises a driving wheel, a first driven wheel and a second driven wheel, wherein the driving wheel is in meshed transmission connection with the first driven wheel, the first driven wheel is connected with the second driven wheel through a forming screw rod, the first driven wheel is fixedly connected with the forming screw rod, the second driven wheel is in rotary connection with the forming screw rod through a thread pair, and an internal thread forming part combined with a die cavity is arranged at the front end of the forming screw rod. The gear transmission mechanism is formed by assembling the driving wheel, the first driven wheel and the second driven wheel, is favorable for assembly work, and only needs to replace damaged accessories if damage occurs in subsequent work.

As a further improvement of the utility model, the driving device comprises a motor and a limiting plate fixedly connected with the motor, the limiting plate is fixedly connected with the fixed die plate, and the motor is connected with the driving wheel through a rotating shaft. The motor drives the driving wheel to rotate, so that the effectiveness of transmission is guaranteed, and the rotating shaft is utilized to ensure reliable connection between the motor and the driving wheel.

As a further improvement of the utility model, the screw thread pair comprises a concave thread positioned in the second driven wheel and a convex thread positioned in the forming screw, the concave thread is rotationally connected with the convex thread, the second driven wheel is provided with a locking piece for locking the rotation of the second driven wheel, and the locking piece is fixedly connected with the limiting plate through a positioning plate. Through the arrangement of the structure, the molding screw rod can be ensured to move smoothly during die assembly or die separation.

As a further improvement of the utility model, a distance rod is arranged at the rear end of the forming screw, and the distance rod is provided with a travel switch for controlling the movement of the distance rod. When the forming screw rod is moving, the moving distance of the forming screw rod can be effectively controlled through the arrangement of the distance rod and the travel switch, and the normal operation of the die is ensured.

As a further improvement of the utility model, the back-off forming assembly comprises a back-off forming end and a back-off sliding end, wherein the back-off forming end and the back-off sliding end are integrally formed, the back-off forming end is combined with the die cavity, and the back-off sliding end is in sliding connection with the movable die plate. Through the design of back-off shaping end and back-off slip end, guarantee the normal work of back-off shaping subassembly.

As a further improvement of the utility model, the push rod assembly comprises a fixed block and an inclined push rod with an inclined angle, the inclined push rod is inserted into the fixed block and fixedly connected with the fixed template through the fixed block, and the inverted sliding end is provided with an inclined through hole which is in sliding connection with the inclined push rod. The fixed block and the inclined push rod form a push rod assembly, and the inverted buckle sliding end can be matched with or demoulded from the die cavity under the drive of the inclined push rod.

As a further improvement of the present utility model, the first molding assembly includes a first molding end, a core rod fixedly inserted into the first molding end, and a first sliding end integrally formed with the first molding end, where the first molding end and the core rod are combined with the mold cavity, and the first sliding end is slidably connected with the movable mold plate. The design of first shaping tip and plug for the second connecting portion in the shaping product to can realize the steady removal of first shaping tip through first slip end, guarantee the quality of product.

As a further improvement of the utility model, the oil cylinder assembly comprises a hydraulic cylinder and a retention plate fixedly connected with the hydraulic cylinder, the retention plate is fixedly connected with the movable mould plate, the front end of the hydraulic cylinder is provided with a telescopic rod capable of moving back and forth, and the telescopic rod is fixedly connected with the first sliding end through a T-shaped clamping piece. In the above-mentioned structural design, drag the removal of first slip end by the pneumatic cylinder, guarantee that the removal of first slip end is steady reliable.

As a further improvement of the utility model, a hot runner plate is arranged between the upper mounting plate and the fixed die plate, and the hot runner plate is provided with a material channel communicated with the feeding hole. The melted raw material passes through the material channel in the hot runner plate and is injected into the die cavity, so that the raw material has good fluidity, and the raw material can be quickly filled in the whole die cavity.

The utility model has the advantages that the structure is reasonable, the demolding is effective, the reverse molding assemblies positioned at two sides of the movable mold core are used for molding four reverse buttons in a product, the first molding assemblies and the internal thread molding assemblies positioned at the other two sides are used for molding the second connecting part and the internal thread connecting part respectively, when the upper mold core and the lower mold core are combined to form a mold cavity, the mold cavity can be used for molding the first connecting part and an oil pipe interface, after the product is molded, the reverse molding assemblies are driven by the push rod assemblies, the first molding assemblies are driven by the oil cylinder assemblies, and the gear transmission mechanism and the molding screw are driven by the driving device to rotate together, so that the molded product can be obtained finally.

Drawings

FIG. 1 is a schematic view of a cylinder head cover;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is an exploded view of the female thread forming assembly;

FIG. 4 is an exploded view of the push rod assembly, the back-off forming assembly;

fig. 5 is an exploded view of the cylinder assembly, the first molding assembly.

The reference numerals in the figures illustrate:

01. a first connection portion; 02. a second connecting portion; 03. reversing; 04. an oil pipe interface; 05. an internal threaded connection; 1. an upper mounting plate; 2. a hot runner plate; 3. a stationary mold plate; 4. a push rod assembly; 5. a fixed mould core; 6. a movable mold core; 7. a back-off forming assembly; 8. a first molding assembly; 9. an internal thread forming assembly; 10. a movable template; 13. a lower mounting plate; 14. a feed hole; 15. an oil cylinder assembly; 16. a T-shaped clamping piece;

41. a fixed block; 42. an inclined push rod; 71. a back-off forming end; 72. a back-off sliding end; 81. a first shaped end; 82. a core rod; 83. a first slide end; 91. forming a screw; 92. a gear transmission mechanism; 93. a driving device; 94. a thread pair; 95. a rotating shaft; 96. a locking member; 97. a positioning plate; 98. distance rods; 99. a travel switch; 151. a hydraulic cylinder; 152. a retention plate;

721. obliquely perforating; 911. an internal thread forming part; 912. a male thread; 921. a driving wheel; 922. a first driven wheel; 923. a second driven wheel; 931. a motor; 932. a limiting plate;

151a, telescoping rod; 923a, female threads.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1 to 5, there is shown: the utility model provides a forming die of cylinder cap guard shield, including last mounting panel 1, lower mounting panel 13, the relevant position between last mounting panel 1 and the lower mounting panel 13 is provided with fixed die plate 3 and movable mould board 10 respectively, the relevant position between fixed die plate 3 and the movable mould board 10 is provided with cover half benevolence 5 and movable mould benevolence 6 respectively, the cover half benevolence 5 constitutes the die cavity after combining with movable mould benevolence 6, it is provided with the feed port 14 that is linked together with the die cavity to go up mounting panel 1, be located the wherein both sides of movable mould benevolence 6 in the movable mould board 10 all are provided with back-off forming assembly 7, other both sides are provided with first forming assembly 8 and internal thread forming assembly 9 respectively, the front end and the die cavity of back-off forming assembly 7 laminating and be provided with can promote its movable push rod assembly 4 that moves, first forming assembly 8 is provided with can promote its hydro-cylinder assembly 15 that moves, internal thread forming assembly 9 includes forming screw 91, gear drive 92, and can drive gear drive 92's drive arrangement 93, forming screw 91 rotates with gear drive 92.

Further, in the present embodiment, the novelty lies in: the internal thread forming assembly 9 is assembled by a forming screw 91, a gear transmission mechanism 92 and a driving device 93 capable of driving the gear transmission mechanism 92, and can effectively and smoothly realize the forming and demoulding of the internal thread connecting part 05 in a product, which is obviously different from the prior internal thread demoulding structure.

Furthermore, the push rod assembly 4 drives the back-off forming assembly 7 to move, so that smooth demolding of the four back-off 03 in the product can be realized, the oil cylinder assembly 15 drags the first forming assembly 8 to realize core pulling, effective demolding of the second connecting portion 02 is ensured, and the first connecting portion 01 in the product can be formed under the condition that the upper die core and the lower die core are clamped.

The gear transmission mechanism 92 comprises a driving wheel 921, a first driven wheel 922 and a second driven wheel 923, the driving wheel 921 is in meshed transmission connection with the first driven wheel 922, the first driven wheel 922 is connected with the second driven wheel 923 through a forming screw 91, the first driven wheel 922 is fixedly connected with the forming screw 91, the second driven wheel 923 is in rotary connection with the forming screw 91 through a thread pair 94, and an internal thread forming portion 911 combined with a die cavity is arranged at the front end of the forming screw 91.

Further, in the present embodiment, through the design of the above structure, the transmission motion of the gear transmission mechanism 92 can be normally realized, and meanwhile, the gear transmission mechanism 92 is assembled by the driving wheel 921, the first driven wheel 922 and the second driven wheel 923, which is beneficial to the assembly work of the mechanism, and the internal thread forming part 911 arranged at the front end of the forming screw 91 is used for forming the internal thread connecting part 05 in the product.

The driving device 93 includes a motor 931, a defining plate 932 fixedly connected to the motor 931, the defining plate 932 being fixedly connected to the stationary platen 3, the motor 931 being connected to the driving wheel 921 through a rotation shaft 95.

Further, in the above structure, the driving wheel 921 is driven to rotate by the motor 931, and the energy is transmitted to the first driven wheel 922 and the forming threads, so that the normal operation of the die is ensured.

The screw pair 94 includes a female screw 923a in the second driven wheel 923 and a male screw 912 in the forming screw 91, the female screw 923a is rotatably connected with the male screw 912, the second driven wheel 923 is provided with a locking piece 96 for locking rotation thereof, and the locking piece 96 is fixedly connected with the limiting plate 932 through a positioning plate 97.

Further, in the above-described structure, since the second driven wheel 923 and the locking member 96 are both fixedly connected to the limiting plate 932, when the forming screw 91 rotates, the forming screw 91 moves horizontally in cooperation with the female screw 923a and the male screw 912, and further, the related actions of the next step are realized.

A distance rod 98 is provided at the rear end of the molding screw 91, and the distance rod 98 is provided with a travel switch 99 for controlling the movement thereof.

Further, the travel switch 99 is used to control the movement distance of the forming thread, so as to ensure the normal operation of the mold.

See fig. 4: the back-off forming assembly 7 comprises a back-off forming end 71 and a back-off sliding end 72, wherein the back-off forming end 71 and the back-off sliding end 72 are integrally formed, the back-off forming end 71 is combined with a die cavity, and the back-off sliding end 72 is in sliding connection with the movable die plate 10.

Further, the inverted molding assembly 7 formed by combining the inverted molding end 71 and the inverted sliding end 72 ensures sufficient structural strength and prolonged service life.

The push rod assembly 4 comprises a fixed block 41 and an inclined push rod 42 with an inclined angle, wherein the inclined push rod 42 is inserted into the fixed block 41 and is fixedly connected to the fixed plate 3 through the fixed block 41, and the back-off sliding end 72 is provided with an inclined through hole 721 in sliding connection with the inclined push rod 42.

Further, in the above structure, by arranging the inclined push rod 42, the inclined through hole 721 of the back-off sliding end 72 can effectively push the back-off sliding end 72 to move when in sliding connection, thereby realizing smooth demolding of the back-off 03 in the product.

See fig. 5: the first molding assembly 8 includes a first molding end 81, a core rod 82 fixedly inserted into the first molding end 81, and a first sliding end 83 integrally molded with the first molding end 81, wherein the first molding end 81 and the core rod 82 are combined with a mold cavity, and the first sliding end 83 is slidably connected with the movable mold plate 10.

Further, by means of the structural design of the first molding end 81 and the core rod 82, the structure of the second connecting portion 02 in the product can be molded, and by means of the sliding connection of the first sliding end 83 and the movable mold plate 10, smooth and stable movement of the first molding end 81 is ensured.

The oil cylinder assembly 15 comprises a hydraulic cylinder 151 and a retention plate 152 fixedly connected with the hydraulic cylinder 151, the retention plate 152 is fixedly connected with the movable template 10, a telescopic rod 151a capable of moving back and forth is arranged at the front end of the hydraulic cylinder 151, and the telescopic rod 151a is fixedly connected with the first sliding end 83 through a T-shaped clamping piece 16.

Further, the hydraulic cylinder 151 pushes the first sliding end 83 to move, so that the motion stability of the first sliding end 83 can be realized, the product quality is ensured, and the T-shaped clamping piece 16 is used for connecting the telescopic rod 151a with the first sliding end 83, so that the connection reliability of the two is ensured.

A hot runner plate 2 is arranged between the upper mounting plate 1 and the fixed die plate 3, and the hot runner plate 2 is provided with a material channel communicated with a feed hole 14.

Further, the raw material is injected into the die cavity after flowing through the material channel in the hot runner plate 2, so that the raw material can be ensured to have good fluidity, and the whole die cavity can be quickly filled. The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The utility model provides a forming die of cylinder cap guard shield, includes mounting panel (1), mounting panel (13) down, the relevant position between mounting panel (1) and mounting panel (13) down be provided with fixed die plate (3) and movable mould board (10) respectively, the relevant position between fixed die plate (3) and movable mould board (10) is provided with cover half benevolence (5) and movable mould benevolence (6) respectively, cover half benevolence (5) constitute the die cavity after combining with movable mould benevolence (6), mounting panel (1) be provided with feed port (14) that are linked together with the die cavity, characterized by wherein both sides in movable mould benevolence (6) in movable mould board (10) all are provided with back-off shaping subassembly (7), in addition both sides are provided with first shaping subassembly (8) and internal thread shaping subassembly (9) respectively, the front end and the die cavity laminating of back-off shaping subassembly (7) and be provided with push rod subassembly (4) that can promote its removal, first shaping subassembly (8) be provided with can promote its hydro-cylinder subassembly (15) that removes, internal gear shaping subassembly (92), gear shaping mechanism (92), screw rod shaping (92) and screw rod shaping mechanism (92) that can drive gear (92) and screw rod shaping device (91).

2. The forming die of the cylinder cover shield according to claim 1, wherein the gear transmission mechanism (92) comprises a driving wheel (921), a first driven wheel (922) and a second driven wheel (923), the driving wheel (921) is in meshed transmission connection with the first driven wheel (922), the first driven wheel (922) is connected with the second driven wheel (923) through a forming screw (91), the first driven wheel (922) is fixedly connected with the forming screw (91), the second driven wheel (923) is in rotational connection with the forming screw (91) through a thread pair (94), and an internal thread forming part (911) combined with a die cavity is arranged at the front end of the forming screw (91).

3. The molding die of the cylinder head shield according to claim 2, wherein the driving device (93) comprises a motor (931) and a limiting plate (932) fixedly connected with the motor (931), the limiting plate (932) is fixedly connected with the fixed die plate (3), and the motor (931) is connected with the driving wheel (921) through a rotating shaft (95).

4. A cylinder head cover shield forming die according to claim 3, characterized in that the screw pair (94) comprises a concave screw thread (923 a) located in the second driven wheel (923) and a convex screw thread (912) located in the forming screw (91), the concave screw thread (923 a) is rotationally connected with the convex screw thread (912), the second driven wheel (923) is provided with a locking piece (96) for locking the rotation of the second driven wheel, and the locking piece (96) is fixedly connected with the limiting plate (932) through a positioning plate (97).

5. A cylinder head cover forming die according to claim 2, characterized in that a distance rod (98) is provided at the rear end of the forming screw (91), and the distance rod (98) is provided with a travel switch (99) for controlling the movement thereof.

6. The molding die of the cylinder cover shield according to claim 1, wherein the back-off molding assembly (7) comprises a back-off molding end (71) and a back-off sliding end (72), the back-off molding end (71) and the back-off sliding end (72) are integrally molded, the back-off molding end (71) is combined with a die cavity, and the back-off sliding end (72) is in sliding connection with the movable die plate (10).

7. The mold for the cylinder head cover according to claim 6, wherein the push rod assembly (4) comprises a fixed block (41) and an inclined push rod (42) with an inclined angle, the inclined push rod (42) is inserted into the fixed block (41) and fixedly connected to the fixed plate (3) through the fixed block (41), and the inverted sliding end (72) is provided with an inclined through hole (721) in sliding connection with the inclined push rod (42).

8. The molding die of a cylinder head cover according to claim 1, wherein the first molding assembly (8) comprises a first molding end (81), a core rod (82) fixedly inserted into the first molding end (81), and a first sliding end (83) integrally molded with the first molding end (81), the first molding end (81) and the core rod (82) are combined with a die cavity, and the first sliding end (83) is slidably connected with the movable mold plate (10).

9. The forming die of the cylinder cover shield according to claim 8, wherein the cylinder assembly (15) comprises a hydraulic cylinder (151) and a retaining plate (152) fixedly connected with the hydraulic cylinder (151), the retaining plate (152) is fixedly connected with the movable die plate (10), a telescopic rod (151 a) capable of moving back and forth is arranged at the front end of the hydraulic cylinder (151), and the telescopic rod (151 a) is fixedly connected with the first sliding end (83) through a T-shaped clamping piece (16).

10. The molding die of the cylinder cover shield according to claim 1, characterized in that a hot runner plate (2) is arranged between the upper mounting plate (1) and the fixed die plate (3), and the hot runner plate (2) is provided with a material channel communicated with the feeding hole (14).