Die with adjustable size

Abstract

The utility model relates to the technical field of dies, and discloses a size-adjustable die which comprises a base, supporting seats are fixedly arranged on the two sides of the lower end face of the base, supporting plates are fixedly arranged at the positions, close to the front end and the rear end, of the two sides of the upper end face of each supporting seat, and top plates are fixedly arranged on the upper end faces of the four supporting plates. An injection molding upper mold device is fixedly arranged on the lower end face of the top plate, a guide rod and a threaded rod are arranged on the front and back opposite sides of the two supporting plates located on the same side in the four supporting plates correspondingly, and a sliding plate is arranged on the outer side of the guide rod and the outer side of the threaded rod in a sleeving mode; a reciprocating motor is embedded in one side of the interior of the sliding plate, and a driving rod is fixedly arranged at the output end of the reciprocating motor. According to the utility model, the size of the mold cavity can be adjusted for use, so that different molds can be placed for use, the mold closing operation is not influenced, meanwhile, the adjustment in the front-back direction can be completed during the cleaning operation, and the multi-directional adjustment and use can be realized.

Description

Technical Field

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

[0002] A mold is a tool used for molding. In industrial production, various molds and tools are used to obtain the desired products by methods such as injection molding, blow molding, extrusion, die casting or forging, smelting, and stamping. They are widely used in all walks of life. For example, in the production of plastic bags, corresponding molds are needed to facilitate the molding of plastic bags. Injection molds generally refer to injection molding, also known as injection molding, which is a molding method of injection and molding. Injection molds are made by stirring completely molten plastic materials with a screw at a certain temperature, injecting them into the mold cavity with high pressure, and then cooling and solidifying them to form them. They have the characteristics of fast production speed, high efficiency, automated operation, a wide variety of colors, and a complete range of shapes, sizes and specifications.

[0003] The existing patent (publication number: CN216544517U) discloses "a high-strength medical plastic bag injection mold, comprising: a lower mold, an upper mold, a punch connected to the lower mold, and a concave mold connected to the bottom of the upper mold and cooperating with the punch, the upper mold is movably connected to the lower mold through four guide rods, four buffer mechanisms are connected between the lower mold and the upper mold, a cooling pipe for cooling the punch is laid in the lower mold, and two telescopic mechanisms for pressing the medical plastic bag are connected in the upper mold. The utility model has a simple structure. By adding a buffer mechanism, a cooling pipe and a telescopic mechanism, the injection mold is more efficient and has a longer service life."

[0004] However, the utility model has the following problems: 1. The inner cavity size of the injection mold is difficult to change, and it is difficult to adjust the inner cavity size as needed; 2. At the same time, after the injection molding process is completed, the residual impurities inside the injection mold need to be brushed and cleaned, which is not only time-consuming and labor-intensive, but also increases the workload; therefore, the utility model provides a mold with adjustable size to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a mold with adjustable size, which can not only adjust the size of the mold cavity to complete the placement of different molds, but also can complete the adjustment in the front and rear directions during the cleaning operation while ensuring that the mold closing operation is not affected, thereby realizing multi-directional adjustment.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A mold with adjustable size, comprising a base, support seats are fixedly arranged on both sides of the lower end surface of the base, support plates are fixedly arranged at the front end and the rear end of both sides of the upper end surface of the support seat, top plates are fixedly arranged on the upper end surfaces of the four support plates, an injection mold device is fixedly arranged on the lower end surface of the top plate, and two support plates located on the same side of the four support plates are respectively provided with guide rods and threaded rods on the front and rear opposite sides;

[0008] The guide rod and the threaded rod are sleeved with a sliding plate on the outside, a reciprocating motor is embedded in one side of the sliding plate, and a driving rod is fixedly arranged at the output end of the reciprocating motor, a sliding block is threadedly sleeved on the outside of the driving rod, a rotating motor is embedded in the sliding block, and an electric telescopic rod is fixedly arranged at the output end, a cleaning disk is fixedly arranged at the lower end of the electric telescopic rod, a lower mold is fixedly arranged at the midpoint of the upper end surface of the base, an adjusting rod is threadedly penetrated on one side of the outer wall of the lower mold, and a partition is rotatably arranged at one end of the adjusting rod;

[0009] Through the above technical solution, the position of the sliding plate is changed so that the position of the cleaning assembly composed of the sliding block, the rotating motor, the electric telescopic rod and the cleaning disk is changed, completing the forward and backward displacement, and the cleaning assembly completes the lateral displacement driven by the internal reciprocating motor and the driving rod, thereby completing the cleaning process of the inside of the lower mold.

[0010] Further, the injection molding upper mold device includes an injection molding box fixedly arranged on the lower end surface of the top plate, a plurality of hydraulic telescopic rods fixedly arranged on the lower end of the injection molding box, and an upper mold plate located at the lower ends of the plurality of hydraulic telescopic rods;

[0011] The above technical solution is conducive to quickly performing injection molding operations after completing the mold closing process.

[0012] Furthermore, the sliding plate is threadedly sleeved with the threaded rod and slidably sleeved with the guide rod, and a servo motor is fixedly arranged at one end of the threaded rod;

[0013] By means of the above technical solution, the position of the sliding plate on the threaded rod can be changed so that the sliding plate can complete the forward and backward displacement operation.

[0014] Furthermore, a rotating block is fixedly arranged at one end of the adjusting rod, and the other end of the adjusting rod passes through the lower mold, and a partition fixedly arranged at one end of the adjusting rod is embedded in one side of the lower mold;

[0015] Through the above technical solution, the size of the inner cavity of the lower mold can be adjusted by changing the position of the partition.

[0016] Furthermore, an injection port is provided at the midpoint of the upper end surface of the upper template, and the upper end of the injection port is connected to the injection box through a conduit, wherein a valve is provided on the outer side of the conduit;

[0017] Through the above technical solution, the operation requirements of raw material injection molding and closing injection molding can be conveniently and quickly carried out.

[0018] Furthermore, a movable groove is provided at the midpoint of the front end surface of the sliding plate, and the sliding block is slidably arranged in the movable groove;

[0019] The above technical solution is helpful to ensure the smoothness of the lateral displacement of the sliding block.

[0020] Further, the cleaning tray comprises a tray bottom and a cleaning brush fixedly arranged at the lower end of the tray bottom;

[0021] The above technical solution makes it convenient to clean the interior after the injection molding is completed.

[0022] The utility model has the following beneficial effects:

[0023] 1. The utility model proposes a mold with adjustable size. The cleaning component is fixed on a sliding block, and the sliding block is threadedly sleeved on a driving rod. The driving rod is driven by a reciprocating motor to complete the lateral reciprocating drive. The sliding block, the driving rod and the reciprocating motor are all fixed on a sliding plate. The sliding plate can be displaced forward and backward on the threaded rod and the guide rod in the front and rear directions. While ensuring that the mold closing operation is not affected, the front and rear directions can be adjusted during the cleaning operation, thereby realizing multi-directional adjustment.

[0024] 2. The utility model proposes a mold with adjustable size. A partition is arranged inside the lower mold. The partition is connected to an adjusting rod. When the adjusting rod moves laterally, the partition can be driven to move laterally synchronously, thereby realizing the adjustment of the size of the cavity inside the lower mold. At the same time, the upper end of the upper mold is combined with the injection molding box to ensure rapid injection while reducing external pollution caused by sealing the injection port. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the shaft side structure of the utility model;

[0026] Figure 2 It is a schematic diagram of the front section structure of the utility model;

[0027] Figure 3 For the utility model Figure 1 A schematic diagram of the structure at A;

[0028] Figure 4 For the utility model Figure 2 An enlarged schematic diagram of the structure at location B.

[0029] Legend:

[0030] 1. Support seat; 2. Base; 3. Guide rod; 4. Sliding plate; 5. Support plate; 6. Top plate; 7. Injection upper mold device; 8. Threaded rod; 9. Servo motor; 10. Adjustment rod; 11. Partition; 12. Lower mold; 13. Drive rod; 14. Movable groove; 15. Sliding block; 16. Electric telescopic rod; 17. Cleaning plate; 18. Injection port; 19. Reciprocating motor; 20. Rotating motor. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Example

[0033] Reference Figure 1-4 The utility model provides an embodiment: a mold with adjustable size, including a base 2, support seats 1 are fixedly arranged on both sides of the lower end surface of the base 2, support plates 5 are fixedly arranged at the front end and the rear end of the upper end surface of the support seat 1, top plates 6 are fixedly arranged on the upper end surfaces of the four support plates 5, and an injection mold device 7 is fixedly arranged on the lower end surface of the top plate 6. Two support plates 5 located on the same side of the four support plates 5 are respectively provided with guide rods 3 and threaded rods 8 on the front and rear sides thereof;

[0034] A sliding plate 4 is sleeved on the outer side of the guide rod 3 and the threaded rod 8, which is convenient for adjusting the displacement of the sliding plate 4 in the front and rear directions. A reciprocating motor 19 is embedded on one side of the sliding plate 4, and a driving rod 13 is fixedly arranged on the output end of the reciprocating motor 19. A sliding block 15 is threadedly sleeved on the outer side of the driving rod 13, and the reciprocating motor 19 is used to realize the reciprocating lateral movement of the sliding block 15. A rotating motor 20 is embedded in the sliding block 15, and an electric telescopic rod 16 is fixedly arranged on the output end. A cleaning disk 17 is fixedly arranged on the lower end of the electric telescopic rod 16, and the electric telescopic rod 16 can realize the telescopic operation of the cleaning disk 17, and the rotating motor 20 completes the rotational cleaning. A lower mold 12 is fixedly arranged at the midpoint of the upper end surface of the base 2, and an adjusting rod 10 is threadedly penetrated on one side of the outer wall of the lower mold 12, and a partition 11 is rotatably arranged on one end of the adjusting rod 10.

[0035] Specifically, according to the above embodiment, the injection upper mold device 7 includes an injection box fixedly arranged on the lower end surface of the top plate 6, a plurality of hydraulic telescopic rods fixedly arranged on the lower end of the injection box, and an upper mold plate located at the lower end of the plurality of hydraulic telescopic rods. That is, when in use, the hydraulic telescopic rod can be used to push the upper mold plate at the lower end to move down and close the mold. At the same time, since an injection port 18 is provided at the midpoint of the upper end surface of the upper mold plate and the upper end of the injection port 18 is connected to the injection box through a conduit, wherein a valve is provided on the outer side of the conduit, that is, after the mold is closed, the valve can be quickly opened to complete the injection, and the sealing and blocking can be quickly performed after the injection is completed.

[0036] Specifically, according to the above embodiment, the sliding plate 4 is threadedly sleeved with the threaded rod 8 and slidably sleeved with the guide rod 3, and a servo motor 9 is fixedly arranged at one end of the threaded rod 8. When the servo motor 9 is started, the threaded rod 8 is driven to rotate, and the sliding plate 4 is threadedly connected with the threaded rod 8 and the other end is blocked and guided by the guide rod 3, so that the sliding plate 4 can only be used for translation in the front-back direction;

[0037] Since the front end surface of the sliding plate 4 is provided with a movable groove 14 near the midpoint, the sliding block 15 is slidably arranged in the movable groove 14, that is, when the internal reciprocating motor 19 is started, the driving rod 13 threadedly sleeved with the sliding block 15 is driven to rotate, thereby realizing the lateral displacement of the sliding block 15, and prompting the sliding block 15 to perform a lateral displacement operation along the movable groove 14;

[0038] Specifically, according to the above embodiment, a rotating block is fixedly provided at one end of the adjusting rod 10, and the other end of the adjusting rod 10 passes through the lower mold 12. The partition plate 11 fixedly provided at one end of the adjusting rod 10 is embedded in one side of the lower mold 12. When the inner cavity size of the lower mold 12 needs to be changed, the adjusting rod 10 is rotated to make it move horizontally, and the partition plate 11 connected to one end of the adjusting rod 10 moves horizontally synchronously at this time, and the partition plate 11 is located inside the mold cavity, so that the size of the mold cavity can be changed.

[0039] Specifically, according to the above embodiment, the cleaning tray 17 includes a tray bottom and a cleaning brush fixedly arranged at the lower end of the tray bottom. That is, when the rotary motor 20 rotates, the electric telescopic rod 16 at the lower end is driven to rotate, thereby driving the cleaning tray 17 to rotate, so that the cleaning brush arranged at the lower end can be used for rotating scrubbing.

[0040] Working principle: When in use, the injection upper mold device 7 and the lower mold 12 can be molded together and the injection upper mold device 7 can be used for injection molding; when it is necessary to adjust the inner cavity size of the lower mold 12, the adjustment rod 10 can be used to push the partition 11 to complete the size adjustment of the inner cavity. At the same time, after the injection molding is completed, the reciprocating motor 19, the servo motor 9 and the rotary motor 20 can be used to complete the multi-directional position adjustment of the cleaning disk 17. Brushing operation.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A mold with adjustable size, comprising a base (2), characterized in that: Support seats (1) are fixedly arranged on both sides of the lower end surface of the base (2); support plates (5) are fixedly arranged on both sides of the upper end surface of the support seat (1) at the front end and the rear end; top plates (6) are fixedly arranged on the upper end surfaces of the four support plates (5); an injection mold device (7) is fixedly arranged on the lower end surface of the top plates (6); and two support plates (5) located on the same side of the four support plates (5) are respectively provided with guide rods (3) and threaded rods (8) on opposite sides thereof; A sliding plate (4) is sleeved on the outer sides of the guide rod (3) and the threaded rod (8); a reciprocating motor (19) is embedded in one side of the sliding plate (4) and a driving rod (13) is fixedly arranged at the output end of the reciprocating motor (19); a sliding block (15) is threadedly sleeved on the outer side of the driving rod (13); a rotating motor (20) is embedded in the sliding block (15) and an electric telescopic rod (16) is fixedly arranged at the output end; a cleaning disc (17) is fixedly arranged at the lower end of the electric telescopic rod (16); a lower mold (12) is fixedly arranged at the midpoint of the upper end surface of the base (2); an adjusting rod (10) is threadedly penetrated on one side of the outer wall of the lower mold (12) and a partition (11) is rotatably arranged at one end of the adjusting rod (10).

2. A size-adjustable mold according to claim 1, characterized in that: The injection molding upper mold device (7) comprises an injection molding box fixedly arranged on the lower end surface of the top plate (6), a plurality of hydraulic telescopic rods fixedly arranged on the lower end of the injection molding box, and an upper mold plate located at the lower ends of the plurality of hydraulic telescopic rods.

3. The size-adjustable mold according to claim 1, characterized in that: The sliding plate (4) is threadedly sleeved with the threaded rod (8) and slidably sleeved with the guide rod (3); a servo motor (9) is fixedly arranged at one end of the threaded rod (8).

4. The size-adjustable mold according to claim 1, characterized in that: A rotating block is fixedly arranged at one end of the adjusting rod (10), and the other end of the adjusting rod (10) passes through the lower mold (12). A partition plate (11) fixedly arranged at one end of the adjusting rod (10) is embedded in one side of the interior of the lower mold (12).

5. The size-adjustable mold according to claim 2, characterized in that: An injection port (18) is provided at the midpoint of the upper end surface of the upper mold plate, and the upper end of the injection port (18) is connected to the injection box via a conduit, wherein a valve is provided on the outer side of the conduit.

6. The size-adjustable mold according to claim 1, characterized in that: A movable groove (14) is provided at the midpoint of the front end surface of the sliding plate (4), and the sliding block (15) is slidably arranged in the movable groove (14).

7. The size-adjustable mold according to claim 1, characterized in that: The cleaning tray (17) comprises a tray bottom and a cleaning brush fixedly arranged at the lower end of the tray bottom.

Images