Thread demoulding die structure of servo motor

Abstract

The invention provides a thread demolding mold structure of a servo motor, and the design aims at realizing the simplicity of the structure, the convenience of manufacturing, the convenience of mounting and the cost saving and ensuring that a product can be smoothly demolded at the same time. According to the structure, the servo motor is adopted for thread stripping, the labor cost can be effectively reduced, and the qualified rate of products is stably guaranteed in the subsequent production process of the mold. Specifically, the die structure comprises a gear installed on the servo motor, and the gear is connected with a transmission structure on the die through a chain. When the mold is opened in the production process, the started servo motor drives the transmission mechanism on the mold, so that threads of a product are screwed out, and the function of thread demolding is achieved. The special structure of the mold has obvious advantages in the aspects of manufacturing, mounting and cost saving, and smooth demolding of a product can be ensured. Compared with a traditional thread demolding method, the thread demolding mold structure of the servo motor has the advantages that the labor cost can be more effectively saved, and qualified products can be produced in a more stable and effective mode.

Description

Technical Field

[0001] The invention relates to the technical field of moulds, and in particular to a servo motor thread stripping mould structure. Background Art

[0002] Threaded products have been widely used in many fields. Many of these products were originally made of metal materials. Although metal can meet the strength and performance requirements of the products, its processing is time-consuming and complicated. With the development of technology, some threaded products have begun to use plastics instead of metals, which not only meets the performance requirements of the products, but also significantly reduces costs. With the continuous expansion of the scope of use of threaded products and the increase in market demand, the requirements for the production cycle, quality and quantity of products are also increasing. Compared with manual thread stripping and forced thread stripping, the thread stripping mold structure driven by a servo motor can more effectively save manpower and shorten the production cycle, while also more stably ensuring product quality. Summary of the invention

[0003] In order to make up for the shortcomings of the prior art, the inventor provides a servo motor thread stripping mold structure, and the technical solution is described below: A servo motor thread stripping mold structure, comprising a mold frame, a cavity and a transmission structure; The mold frame comprises an upper mold and a lower mold; the upper mold comprises an upper fixed plate (1), an A plate 1 (2), and an A plate 2 (3) which are stacked and fastened in sequence; the lower mold comprises a B plate (4), an ejector mechanism, and a lower fixed plate (7) which are connected and arranged in sequence; the ejector mechanism comprises an upper ejector plate (5), a lower ejector plate (6), and a built-in ejector; The mold cavity comprises: a front mold core (8) and a rear mold core (9); The transmission structure includes: a gear 1 transmission assembly, a gear 2 and gear 3 coaxial transmission assembly, a large gear sleeve transmission assembly, a gear 4 and a front mold insert assembly; The gear 1 transmission assembly comprises a servo motor (11) and a gear 1 (12) fixed on the servo motor (11); the servo motor (11) is fixed on the A plate 2 (3); The gear 2 and gear 3 coaxial transmission assembly comprises a gear 2 (14), a gear 3 (17), a guide column (35), a bearing 1 (15), and a bearing 2 (16); the gear 2 (14) is fixedly mounted on the guide column (35), and the bearing 1 (15) is mounted on the lower end of the guide column (35); the gear 3 (17) is mounted on the upper end of the guide column (35), and the bearing 2 (16) is mounted on the lower end of the gear 3 (17), and the guide column (35) is mounted between the A plate 1 (2) and the A plate 2 (3); the gear 1 (12) and the gear 3 (17) are connected by a chain (31); The large gear sleeve transmission assembly comprises a large gear sleeve (21), a guide column (22) and a large gear sleeve pressure plate (32); the guide column (22) is fixedly mounted on the upper end of the A plate 1 (2) by means of screws; the large gear sleeve (21) is mounted on the guide column (22) and the outer teeth of the large gear sleeve (21) are meshed with the gear 2 (14); The gear 4 and the front mold insert assembly include: a gear 4 (25), a front mold insert 1 (26), a front mold insert 2 (27), and a front mold insert 3 (29); the gear 4 (25) is fixed on the front mold insert 1 (26) and meshes with the inner teeth of the large gear sleeve (21); the front mold insert 2 (27) and the front mold insert 3 (29) are respectively installed in the groove at the lower end of the front mold insert 1 (26) and fixed in the front mold insert 1 (26); the lower end of the front mold insert 1 (26) passes through the front mold core (8) and is installed on the A plate 2 (3); the upper end of the front mold insert 1 (26) passes through and is fixed in the upper fixed plate (1).

[0004] Preferably, the gear 1 transmission assembly may further comprise: a servo motor mounting seat (10) and a square pin 1 (13); the mold servo motor (11) is fixed on the servo motor mounting seat (10), the gear 1 (12) on the servo motor (11) is fixed on the servo motor (11) by the square pin 1 (13), and the servo motor mounting seat (10) is fixed on the A plate 2 (3).

[0005] Preferably, the gear 2 and gear 3 coaxial transmission assembly may further include: a square pin 2 (18), a retaining spring 1 (19), a retaining spring 2 (20), a retaining spring 4 (34), a square pin 3 (36), and a chain (31); the guide column (35) is installed between the A plate 1 (2) and the A plate 2 (3); The gear 2 (14) is mounted on the guide column (35), and a retaining ring 2 (19) and a retaining ring 4 (34) are respectively mounted on the upper and lower sides of the gear 2 (14); a square pin 3 (36) is mounted on the gear 2 (14) so ​​that the gear 2 (14) is fixed on the guide column (35), and a bearing 1 (15) is mounted on the lower end of the guide column (35). The gear 3 (17) is mounted on the upper end of the guide column (35), a retaining ring 1 (19) is mounted on the upper end of the gear 3 (17), and a square pin 2 (18) is mounted on the gear 3 (17) so that the gear 3 (17) is fixed on the guide column (35); a bearing 2 (16) is mounted on the lower end of the gear 3 (17), the upper surface of the bearing 2 (16) is in close contact with the A plate 2 (3), and the lower surface of the bearing 1 (15) is in close contact with the A plate 1 (2); The gear 1 (12) and the gear 3 (17) are connected via a chain (31).

[0006] Preferably, the large gear sleeve transmission assembly may further include a large gear sleeve pressure plate (32); a large gear sleeve pressure plate (32) is fixed to the upper surface of the large gear sleeve (21), and the large gear sleeve pressure plate (32) is fixed on the A plate 2 (3).

[0007] Preferably, the gear 4 and the front mold insert assembly may further include: a guide sleeve 1 (23), a pressure plate 1 (24), a guide sleeve 2 (28), and a pin (30); A retaining spring 4 (34) is installed at the upper end of the gear 4 (25); the guide sleeve 2 (28) passes through the front mold insert 1 (26) and is installed in the A plate 2 (3); the front mold insert 2 (27) and the front mold insert 3 (29) are respectively installed in the groove at the lower end of the front mold insert 1 (26) and are fixed in the front mold insert 1 (26) by a pin (30); the lower end of the front mold insert 1 (26) passes through the front mold core (8), and the guide sleeve 1 (23) is installed in the A plate 1 (2); and the upper end of the front mold insert 1 (26) passes through the guide sleeve 1 (23); the pressure plate 1 (24) above the guide sleeve 1 (23) is fixed in the upper fixed plate (1) by screws; The gear 4 (25) is fixed on the front mold insert 1 (26) and meshes with the internal teeth of the large gear sleeve (21).

[0008] Beneficial Effects The present invention provides a servo motor thread stripping mold structure, the design goal of which is to achieve structural simplicity, manufacturing convenience, installation simplicity and cost savings, while ensuring that the product can be smoothly demolded. By adopting a servo motor for thread stripping, the structure can effectively reduce labor costs and stably guarantee the product qualification rate in the subsequent production process of the mold. Specifically, the mold structure includes a gear mounted on the servo motor, which is connected to the transmission structure on the mold through a chain. When the mold is opened during the production process, the started servo motor will drive the transmission mechanism on the mold, thereby unscrewing the thread of the product to achieve the function of thread stripping.

[0009] The special structure of the mold has obvious advantages in manufacturing, installation and cost saving, which can ensure smooth demoulding of products. Compared with the traditional thread stripping method, the servo motor thread stripping mold structure can more effectively save labor costs and produce qualified products in a more stable and efficient way. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 A schematic diagram of a servo motor thread stripping die structure provided by the present invention; Figure 2 This is a schematic diagram of the front installation between the servo motor and each gear; Figure 3 This is a schematic diagram of the back installation between the servo motor and each gear; Description of reference numerals: 1— Upper fixing plate 2— Plate A 1 3— Plate A 2 4— Plate B 5— Upper ejector plate 6— Lower ejector plate 7— Lower fixing plate 8— Front Model 9— Hou Mo Ren 10— Servo motor mounting seat 11— Servo motor 12— Gear 1 13— Square pin 1 14— Gear 2 15— Bearing 1 16— Bearing 2 17— Gear 3 18— Square pin 2 19— Circlip 1 20— Circlip 2 21— Large gear sleeve 22— Guide column 23— Guide bushing 1 24— Platen 1 25— Gear 4 26— Front mold insert 1 27— Front mold insert 2 28— Guide bushing 2 29— Front mold insert 3 30— Pin 31—Chain 32— Large gear sleeve pressure plate 33— Circlip 3 34— Circlip 4 35— Guide column 36— Square pin 3 DETAILED DESCRIPTION

[0011] In order to explain the technical content, structural features, achieved objectives and effects of the technical solution in detail, the following is a detailed description in conjunction with specific embodiments and accompanying drawings.

[0012] Please also read Figures 1 to 3 As shown in the figure, this embodiment provides a servo motor thread stripping mold structure. The technical solution is as follows: A servo motor thread stripping mold structure, comprising a mold frame, a cavity and a transmission structure; The mold frame comprises an upper mold and a lower mold; the upper mold comprises an upper fixed plate (1), an A plate 1 (2), and an A plate 2 (3) which are stacked and fastened in sequence; the lower mold comprises a B plate (4), an ejector mechanism, and a lower fixed plate (7) which are connected and arranged in sequence; the ejector mechanism comprises an upper ejector plate (5), a lower ejector plate (6), and a built-in ejector; The mold cavity comprises: a front mold core (8) and a rear mold core (9); The transmission structure includes: a gear 1 transmission assembly, a gear 2 and gear 3 coaxial transmission assembly, a large gear sleeve transmission assembly, a gear 4 and a front mold insert assembly; The gear 1 transmission assembly comprises: a servo motor mounting seat (10), a servo motor (11), a gear 1 (12), and a square pin 1 (13); The mold servo motor (11) is fixed to the servo motor mounting seat (10) by screws, the gear 1 (12) on the servo motor (11) is fixed to the servo motor (11) by a square pin 1 (13), and the servo motor mounting seat (10) is fixed to the A plate 2 (3) by screws; The gear 2 and gear 3 coaxial transmission assembly comprises a gear 2 (14), a bearing 1 (15), a bearing 2 (16), a gear 3 (17), a square pin 2 (18), a retaining spring 1 (19), a retaining spring 2 (20), a retaining spring 4 (34), a guide column (35), a bearing 1 (15), a bearing 2 (16), and a square pin 3 (36); The gear 2 (14) is mounted on the guide column (35). A retaining ring 2 (20) and a retaining ring 4 (34) are respectively mounted on the upper and lower sides of the gear 2 (14) to prevent the gear 2 (14) from moving up and down. A square pin 3 (36) is mounted on the gear 2 (14) to fix the gear 2 (14) on the guide column (35). A bearing 1 (15) is mounted on the lower end of the guide column (35). The gear 3 (17) is mounted on the upper end of the guide column (35), a retaining ring 1 (19) is mounted on the upper end of the gear 3 (17), and a square pin 2 (18) is mounted on the gear 3 (17) so that the gear 3 (17) is fixed on the guide column (35). The bearing 2 (16) is installed at the lower end of the gear 3 (17), and the guide column (35) is installed between the A plate 1 (2) and the A plate 2 (3); The upper surface of the bearing 2 (16) mounted on the guide column (35) is closely attached to the A plate 2 (3), and the lower surface of the bearing 1 (15) mounted on the guide column (35) is closely attached to the A plate 1 (2), and then the A plate 1 (2) and the A plate 2 (3) are fixed and locked with screws; Gear 1 (12) and gear 3 (17) are connected via a chain (31); The large gear sleeve transmission assembly comprises a large gear sleeve (21), a guide column (22) and a large gear sleeve pressure plate (32); The guide column (22) is fixedly mounted on the upper end of the A plate 1 (2) by means of screws; The upper surface of the large tooth sleeve (21) is provided with a large tooth sleeve pressing plate (32), and the large tooth sleeve pressing plate (32) is fixed on the A plate 2 (3) by screws. When the A plate 1 (2) and the A plate 2 (3) are screwed together, the large tooth sleeve pressing plate (32) presses the large tooth sleeve (21) and the guide column (22) is installed at the upper end of the A plate 1 (2) through the circular groove of the large tooth sleeve (21), so that the large tooth sleeve (21) cannot move up and down but can only perform rotational movement; The large gear sleeve (21) is mounted on the guide column (22) and the outer teeth of the large gear sleeve (21) are meshed with the gear 2 (14); The gear 4 and the front mold insert assembly include: a guide sleeve 1 (23), a gear 4 (25), a front mold insert 1 (26), a front mold insert 2 (27), a guide sleeve 2 (28), a front mold insert 3 (29), a pin (30), and a retaining spring 3 (33); A retaining spring 3 (33) is installed on the upper end of the gear 4 (25); The guide sleeve 2 (28) is installed on the A plate 1 (2) and passes through the front mold insert 1 (26). The front mold insert 2 (27) and the front mold insert 3 (29) are respectively installed in the groove at the lower end of the front mold insert 1 (26) and fixed in the front mold insert 1 (26) by a pin (30); The lower end of the front mold insert 1 (26) passes through the front mold core (8), the guide sleeve 1 (23) is installed on the A plate 2 (3) and the upper end of the front mold insert 1 (26) passes through the guide sleeve 1 (23), and the pressure plate 1 (24) above the guide sleeve 1 (23) is fixed in the upper fixing plate (1) by screws; The gear 4 (25) is fixed on the front mold insert 1 (26) and meshes with the internal teeth of the large gear sleeve (21).

[0013] The working principle of the present invention is described below: When the servo motor starts to drive gear 1 (12) to rotate, the chain (31) connects gear 1 (12) and gear 3 (17), so gear 3 (17) rotates together. When gear 3 (17) rotates, it can drive gear 2 (14) to rotate; When the gear 2 (14) rotates, it can drive the large gear (21) to rotate; When the large gear (21) rotates, it can drive the gear 4 (25) to rotate; When the gear 4 (25) rotates, it can drive the threaded front mold insert 3 (29) to rotate out of the thread shape, thereby achieving the effect of thread demoulding.

[0014] It should be noted that, although the above embodiments have been described in this article, the patent protection scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, changes and modifications made to the embodiments described herein, or equivalent structures or equivalent process changes made using the contents of the present invention specification and drawings, directly or indirectly applying the above technical solutions to other related technical fields, are all included in the patent protection scope of the present invention.

Claims

1. A servo motor thread stripping mold structure, characterized in that: Including mold frame, cavity and transmission structure; The mold frame comprises an upper mold and a lower mold; the upper mold comprises an upper fixed plate (1), an A plate 1 (2), and an A plate 2 (3) which are stacked and fastened in sequence; the lower mold comprises a B plate (4), an ejector mechanism, and a lower fixed plate (7) which are connected and arranged in sequence; the ejector mechanism comprises an upper ejector plate (5), a lower ejector plate (6), and a built-in ejector; The mold cavity comprises: a front mold core (8) and a rear mold core (9); The transmission structure includes: a gear 1 transmission assembly, a gear 2 and gear 3 coaxial transmission assembly, a large gear sleeve transmission assembly, a gear 4 and a front mold insert assembly; The gear 1 transmission assembly comprises a servo motor (11) and a gear 1 (12) fixed on the servo motor (11); the servo motor (11) is fixed on the A plate 2 (3); The gear 2 and gear 3 coaxial transmission assembly comprises a gear 2 (14), a gear 3 (17), a guide column (35), a bearing 1 (15), and a bearing 2 (16); the gear 2 (14) is fixedly mounted on the guide column (35), and the bearing 1 (15) is mounted on the lower end of the guide column (35); the gear 3 (17) is mounted on the upper end of the guide column (35), and the bearing 2 (16) is mounted on the lower end of the gear 3 (17), and the guide column (35) is mounted between the A plate 1 (2) and the A plate 2 (3); the gear 1 (12) and the gear 3 (17) are connected by a chain (31); The large gear sleeve transmission assembly comprises a large gear sleeve (21), a guide column (22) and a large gear sleeve pressure plate (32); the guide column (22) is fixedly mounted on the upper end of the A plate 1 (2) by means of screws; the large gear sleeve (21) is mounted on the guide column (22) and the outer teeth of the large gear sleeve (21) are meshed with the gear 2 (14); The gear 4 and the front mold insert assembly include: a gear 4 (25), a front mold insert 1 (26), a front mold insert 2 (27), and a front mold insert 3 (29); the gear 4 (25) is fixed on the front mold insert 1 (26) and meshes with the inner teeth of the large gear sleeve (21); the front mold insert 2 (27) and the front mold insert 3 (29) are respectively installed in the groove at the lower end of the front mold insert 1 (26) and fixed in the front mold insert 1 (26); the lower end of the front mold insert 1 (26) passes through the front mold core (8) and is installed on the A plate 2 (3); the upper end of the front mold insert 1 (26) passes through and is fixed in the upper fixed plate (1).

2. The servo motor thread stripping mold structure according to claim 1 is characterized in that: The gear 1 transmission assembly may further comprise: a servo motor mounting seat (10) and a square pin 1 (13); the mold servo motor (11) is fixed on the servo motor mounting seat (10), the gear 1 (12) on the servo motor (11) is fixed on the servo motor (11) by the square pin 1 (13), and the servo motor mounting seat (10) is fixed on the A plate 2 (3).

3. The servo motor thread stripping mold structure according to claim 1 is characterized in that: The gear 2 and gear 3 coaxial transmission assembly may further include: a square pin 2 (18), a retaining spring 1 (19), a retaining spring 2 (20), a retaining spring 4 (34), a square pin 3 (36), and a chain (31); the guide column (35) is installed between the A plate 1 (2) and the A plate 2 (3); The gear 2 (14) is mounted on the guide column (35), and a retaining ring 2 (19) and a retaining ring 4 (34) are respectively mounted on the upper and lower sides of the gear 2 (14); a square pin 3 (36) is mounted on the gear 2 (14) so ​​that the gear 2 (14) is fixed on the guide column (35), and a bearing 1 (15) is mounted on the lower end of the guide column (35). The gear 3 (17) is mounted on the upper end of the guide column (35), a retaining ring 1 (19) is mounted on the upper end of the gear 3 (17), and a square pin 2 (18) is mounted on the gear 3 (17) so that the gear 3 (17) is fixed on the guide column (35); a bearing 2 (16) is mounted on the lower end of the gear 3 (17), the upper surface of the bearing 2 (16) is in close contact with the A plate 2 (3), and the lower surface of the bearing 1 (15) is in close contact with the A plate 1 (2); The gear 1 (12) and the gear 3 (17) are connected via a chain (31).

4. The servo motor thread stripping mold structure according to claim 1, characterized in that: The large gear sleeve transmission assembly may further comprise a large gear sleeve pressure plate (32); a large gear sleeve pressure plate (32) is fixed to the upper surface of the large gear sleeve (21), and the large gear sleeve pressure plate (32) is fixed on the A plate 2 (3).

5. The servo motor thread stripping mold structure according to claim 1, characterized in that: The gear 4 and the front mold insert assembly may also include: a guide sleeve 1 (23), a pressure plate 1 (24), a guide sleeve 2 (28), and a pin (30); A retaining spring 4 (34) is installed at the upper end of the gear 4 (25); the guide sleeve 2 (28) passes through the front mold insert 1 (26) and is installed in the A plate 2 (3); the front mold insert 2 (27) and the front mold insert 3 (29) are respectively installed in the groove at the lower end of the front mold insert 1 (26) and are fixed in the front mold insert 1 (26) by a pin (30); the lower end of the front mold insert 1 (26) passes through the front mold core (8), and the guide sleeve 1 (23) is installed in the A plate 1 (2); and the upper end of the front mold insert 1 (26) passes through the guide sleeve 1 (23); the pressure plate 1 (24) above the guide sleeve 1 (23) is fixed in the upper fixed plate (1) by screws; The gear 4 (25) is fixed on the front mold insert 1 (26) and meshes with the internal teeth of the large gear sleeve (21).

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