Quick disassembly and assembly structure of injection mold

Abstract

The utility model relates to the technical field of injection molding machines, in particular to a quick disassembly and assembly structure of an injection mold, which is characterized in that the center of the side surface of a fixed seat is provided with a first propping plane, the center of the side surface of a movable seat is provided with a second propping plane, and two sides of the first propping plane and two sides of the second propping plane are respectively provided with a plurality of horizontal guide grooves; the guide groove is in sliding fit with a hydraulic clamp, and the hydraulic clamp is used for clamping the edge of the injection mold to the first abutting plane or the second abutting plane; the hydraulic clamp comprises a clamp seat and a clamp arm, the clamp arm is installed at the top of the clamp seat in a swinging mode, and a sliding block is arranged at the bottom of the clamp seat and is in sliding fit with the guide groove; the sliding block is provided with a telescopic rolling mechanism, a handle capable of swinging is arranged at the tail end of the clamp seat, the handle is in transmission connection with the telescopic rolling mechanism, and when the handle is pulled and pushed, the handle drives the telescopic rolling mechanism to protrude out of the surface of the sliding block. The quick disassembly and assembly structure of the injection mold has the characteristics of good positioning effect, simplicity and convenience in positioning operation and simple structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding machine technical field especially relates to a quick dismounting structure of injection mold. BACKGROUND

[0002] The movable die and the fixed die of the horizontal injection molding machine are respectively installed on the moving seat and the fixed seat, when the products of different models and sizes are formed, the mold needs to be replaced. The conventional horizontal injection molding machine taps the threaded hole on the moving seat and the fixed seat, and the mold is pressed on the moving seat or the fixed seat through the pressing plate, and when the mold is disassembled, a plurality of screws need to be disassembled or assembled, and the efficiency is very low. In the prior art, the mold is fixed on the moving seat or the fixed seat by a hydraulic clamp. For example, the quick mold clamping fixture of the hydraulic injection molding machine disclosed in CN108454008A drives the mold guide block 202 to move on the guide seat 201 by the first hydraulic mechanism 4; the base 7 is connected with the mold positioning seat 5 through the guide rod 8, and the second hydraulic mechanism 6 is started to drive the connected mold positioning seat 5 to ascend or descend. The mold is directly inserted between the first hydraulic mechanism 4 and the fixed mold plate through the sling, and there is an assembly gap between the mold and the first hydraulic mechanism 4, and the mold is prone to shaking during the injection molding process, and the positioning structure is complex. SUMMARY

[0003] The utility model discloses a quick dismounting structure of injection mold has the characteristics of good positioning effect, simple positioning operation and simple structure.

[0004] To achieve this purpose, the utility model adopts the following technical scheme:

[0005] A quick dismounting structure of injection mold, including fixed seat, moving seat and hydraulic clamp, the central part of the side of fixed seat is provided with first abutting plane, the central part of the side of moving seat is provided with second abutting plane, the both sides of first abutting plane and the both sides of second abutting plane are provided with a plurality of horizontal guide grooves respectively, the hydraulic clamp is slidably fitted in the guide groove, and the hydraulic clamp is used for clamping the edge of injection mold on first abutting plane or second abutting plane;

[0006] The hydraulic clamp includes a clamp seat and a clamp arm, the clamp arm is swingably installed on the top of the clamp seat, the bottom of the clamp seat is provided with a sliding block, and the sliding block is slidably fitted with the guide groove;

[0007] The sliding block is provided with a telescopic rolling mechanism, the tail end of the clamp seat is provided with a swingable handle, and the handle is in transmission connection with the telescopic rolling mechanism. When the handle is pulled and pushed, the handle drives the telescopic rolling mechanism to protrude from the surface of the sliding block.

[0008] Further, the telescopic rolling mechanism comprises a roller, a driving plate and a driving rod, the driving plate is provided with a groove for accommodating the roller, one end of the driving rod is rotatably connected with the driving plate, and the other end of the driving rod is connected with the handle.

[0009] The sliding block is provided with a sliding cavity, the roller and the driving plate are located in the sliding cavity, and a plurality of through holes for limiting the roller are formed in the top and the bottom of the sliding cavity respectively; when the handle is pulled and pushed, the handle drives the driving plate to slide through the driving rod, and the groove pushes the roller out of the through hole.

[0010] Further, the bottom of the sliding block is provided with a mounting groove, and the opening of the mounting groove is fixed with a sealing plate; the sealing plate and the mounting groove form the sliding cavity.

[0011] The through holes are formed in the bottom of the sealing plate and the groove bottom of the mounting groove respectively.

[0012] Further, the top of the two sides of the sliding block is respectively provided with the through hole, and the bottom of the sliding block is provided with at least two rows of through holes.

[0013] Further, the connecting rod is rotatably connected with the clamp base between the two ends of the handle; and the driving rod is connected with the connecting rod.

[0014] Further, the clamp base is provided with a limiting protrusion corresponding to the position of the handle; and the connecting portion of the connecting rod and the clamp base is provided with a return spring.

[0015] Further, the edges of the fixed seat and the movable seat are respectively provided with driving members, and the driving members are rotatably connected with the handle.

[0016] Further, the fixed seat is provided with a ejector pin driving mechanism at the rear side, and a pushing rod of the ejector pin driving mechanism penetrates the fixed seat; the fixed mold plate base of the injection mold is provided with a clearance hole, and the diameter of the clearance hole is greater than the diameter of the pushing rod; after the pushing rod penetrates the clearance hole, the pushing rod abuts against the ejector pin plate of the injection mold.

[0017] The technical scheme provided by the utility model can have the following beneficial effects:

[0018] The hydraulic clamp is matched with the fixed seat and the moving seat, the edge of the injection mold can be quickly clamped on the first abutting plane or the second abutting plane, and the edge of the injection mold is quickly released, the effect of quickly disassembling and assembling the injection mold is achieved, and the disassembling and assembling structure is simple. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic diagram of the quick disassembling and assembling structure of the injection mold of one embodiment of the utility model;

[0020] Figure 2 It is a schematic diagram after the fixed seat, the injection mold and the moving seat are disassembled;

[0021] Figure 3 It is Figure 1 It is an enlarged schematic diagram of part A in the utility model;

[0022] Figure 4 It is a schematic diagram of the side of the hydraulic clamp;

[0023] Figure 5 It is a schematic diagram of the extension rolling mechanism and the sliding block after the push handle is pushed;

[0024] Figure 6 It is a schematic diagram of the extension rolling mechanism and the sliding block after the pull handle is pulled;

[0025] Figure 7 It is a schematic diagram of the extension rolling mechanism and the sliding block after the handle is reset;

[0026] Among them, the fixed seat 1, the ejector drive mechanism 11, the push rod 12, the moving seat 2, the second abutting plane 21, the guide groove 3, the injection mold 6, the fixed mold plate seat 61, the ejector plate 62;

[0027] The hydraulic clamp 4, the clamp seat 41, the clamp arm 42, the sliding block 43, the sliding cavity 431, the through hole 432, the sealing plate 433, the handle 44, the connecting rod 45; the extension rolling mechanism 5, the roller 51, the driving plate 52, the recess 521, the driving rod 53. DETAILED DESCRIPTION

[0028] The embodiments of the utility model are described in detail below, examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as limiting the utility model.

[0029] The utility model discloses a quick dismounting structure of injection mold is disclosed below. Figures 1 to 7 , describe a quick dismounting structure of injection mold of the utility model embodiment.

[0030] The quick dismounting structure of injection mold of the embodiment, including fixed seat 1, mobile seat 2 and hydraulic tong 4, the central part of the side of fixed seat 1 is provided with first abutting plane, the central part of the side of mobile seat 2 is provided with second abutting plane 21, the both sides of first abutting plane and the both sides of second abutting plane 21 are provided with a plurality of horizontal guide grooves 3 respectively, hydraulic tong 4 is slidably fitted in guide groove 3, and hydraulic tong 4 is used to clamp the edge of injection mold 6 to first abutting plane or second abutting plane 21;

[0031] The hydraulic tong 4 includes a jaw seat 41 and a jaw arm 42, the jaw arm 42 is swingably installed on the top of the jaw seat 41, the bottom of the jaw seat 41 is provided with a sliding block 43, and the sliding block 43 is slidably fitted with the guide groove 3.

[0032] The sliding block 43 is provided with a telescopic rolling mechanism 5, the tail end of the jaw seat 41 is provided with a swingable handle 44, the handle 44 is in transmission connection with the telescopic rolling mechanism 5, when the handle 44 is pulled and pushed, the handle 44 drives the telescopic rolling mechanism 5 to protrude from the surface of the sliding block 43.

[0033] In the technical scheme, based on the sliding fit of the hydraulic tong 4, the fixed seat 1 and the mobile seat 2, the edge of the injection mold 6 can be quickly clamped to the first abutting plane or the second abutting plane 21, and the edge of the injection mold 6 can be quickly released, so that the injection mold 6 can be quickly disassembled, and the disassembly structure is simple. Because the hydraulic tong 4 has a large gravity, there is a large friction force between the hydraulic tong 4 and the guide groove 3. By arranging the telescopic rolling mechanism 5 on the hydraulic tong 4, when the handle 44 is pulled and pushed, the handle 44 drives the telescopic rolling mechanism 5 to protrude from the surface of the sliding block 43, the friction between the sliding block 43 and the guide groove 3 is reduced, and the operation of pulling and pushing the hydraulic tong 4 to move is more labor-saving.

[0034] In an embodiment of the utility model, the telescopic rolling mechanism 5 includes a roller 51, a driving plate 52 and a driving rod 53, the driving plate 52 is provided with a recess for accommodating the roller 51, one end of the driving rod 53 is rotatably connected with the driving plate 52, and the other end of the driving rod 53 is connected with the handle.

[0035] The sliding block 43 is provided with a sliding cavity 431, the roller 51 and the driving plate 52 are located in the sliding cavity 431, and the top and bottom of the sliding cavity 431 are respectively provided with a plurality of through holes 432 for limiting the roller 51; when the handle 44 is pulled and pushed, the handle 44 drives the driving plate 52 to slide through the driving rod 53, the recess drives the roller 51 to protrude out of the through hole 432.

[0036] When the handle 44 is pulled or pushed, the driving plate 52 is moved through the driving rod 53, based on the limiting effect of the through hole 432, the recess drives the roller 51 to protrude out of the through hole 432, then the roller 51 abuts against the inner wall of the guide groove 3, a gap is formed between the surface of the sliding block 43 and the guide groove 3, then the hydraulic clamp 4 moves under the support of the roller 51, so that the hydraulic clamp 4 moves very labor-saving. After the handle 44 is released, the roller 51 can fall back into the sliding cavity 431, so that the clamping effect of the hydraulic clamp 4 on the injection mold 6 is ensured. Illustratively, the roller 51 is a ball or a roller.

[0037] In order to facilitate assembly, specifically, the bottom of the sliding block 43 is provided with a mounting groove, the opening of the mounting groove is fixedly provided with an enclosing plate 433, and the enclosing plate 433 and the mounting groove form the sliding cavity 431; the enclosing plate 433 and the groove bottom of the mounting groove are respectively provided with the through hole 432. When the telescopic rolling mechanism 5 is assembled with the sliding block 43, first, the roller 51 is placed at the through hole 432 at the top of the sliding block 43, then the driving plate 52 is placed in the sliding cavity 431, the roller 51 is placed in the recess of the driving plate 52, and then the enclosing plate 433 is covered at the opening of the mounting groove and is fixed by a screw. It can be understood that the driving plate 52 is provided with a clearance opening corresponding to the screw, so as to facilitate the screw to be screwed into the sliding block 43. The assembly process is simple and easy to operate.

[0038] Preferably, the top of the two sides of the sliding block 43 is respectively provided with the through hole 432, and the bottom of the sliding block 43 is provided with at least two rows of through holes 432. When the handle 44 is pulled or pushed, the rollers 51 on the two sides of the sliding block 43 and the bottom of the sliding block 43 abut against the guide groove 3, further improving the operability of the sliding of the hydraulic clamp 4.

[0039] In order to realize the linkage of the handle 44 and the telescopic rolling mechanism 5, in an embodiment of the utility model, the two ends of the handle 44 are fixedly connected with a connecting rod 45, the connecting rod 45 is rotatably connected with the clamp seat 41; the driving rod 53 is connected with the connecting rod 45. When the handle 44 swings under the action of pulling force and pushing force, the connecting rod 45 is driven to rotate, based on the connection between the driving rod 53 and the connecting rod 45, the connecting rod 45 drives the driving rod 53 to move, and then the sliding of the driving plate 52 is realized. Preferably, the connecting rod 45 is a square rod, the square rod is sleeved with a fixed rod, and the end of the fixed rod is rotatably connected with the driving rod 53.

[0040] Specifically, in order to improve the reliability of operation, the clamp seat 41 is provided with a limiting protrusion (not shown in the figure) corresponding to the position of the handle 44, for limiting the swing amplitude of the handle 44; the connecting rod 45 is provided with a reset spring (not shown in the figure) at the connecting position of the clamp seat 41, so as to facilitate the reset of the handle 44 after being pulled or pushed.

[0041] In order to improve the automation degree of disassembling the injection mold 6, the edges of the fixed seat 1 and the moving seat 2 are respectively provided with driving members, which are rotatably connected with the handle 44. By synchronously driving the handle 44 through the plurality of driving members, all the hydraulic clamps 4 can be simultaneously clamped and released to the injection mold 6, thereby greatly improving the disassembling efficiency of the injection mold 6. Exemplarily, the driving member is a pneumatic cylinder or a hydraulic cylinder.

[0042] In order to facilitate the positioning of the injection mold 6, in an embodiment of the utility model, the fixed seat 1 rear side is installed with a ejector pin driving mechanism 11, the ejector pin driving mechanism 11 push rod 12 penetrates the fixed seat 1, the fixed mold plate seat 61 of the injection mold 6 is provided with a let hole, the diameter of the let hole is greater than the diameter of the push rod 12, the push rod 12 penetrates the let hole and abuts against the ejector pin plate 62 of the injection mold 6. When the injection mold 6 is installed, it is in the closed mold state, the injection port of the injection mold 6 is aligned with the moving plate, then the fixed plate moves towards the injection mold 6, based on the diameter of the let hole being greater than the diameter of the push rod 12, the push rod 12 of the ejector pin driving mechanism 11 easily penetrates the let hole and abuts against the ejector pin plate 62 of the injection mold 6.

[0043] Other configurations and operations of the quick dismounting structure of the injection mold according to the embodiments of the utility model are known to those skilled in the art, and will not be described in detail here.

[0044] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the features limited as "first" and "second" can explicitly or implicitly include one or more features, which are used to distinguish the described features, and have no order and no difference in importance.

[0045] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0046] In the description of the utility model, it needs to explain, unless another explicit stipulation and limit, the term " install " " link " " connection " should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can indirectly connect through the intermediate medium, can be two elements inside the communication, for the ordinary skilled in the art, the above-mentioned term can be understood in the utility model with the concrete meaning of the specific situation.

[0047] In the description of the utility model, the description of reference term " embodiment " " example " etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the utility model. In the description, the illustrative representation of the above-mentioned term does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0048] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and its equivalents.

Claims

1. A quick dismounting structure of an injection mold characterized by comprising: The utility model provides a kind of injection mold edge clamping device, including fixed seat, mobile seat and hydraulic clamp, the central part of the side of fixed seat is provided with first abutting plane, the central part of the side of mobile seat is provided with second abutting plane, the two sides of first abutting plane and the two sides of second abutting plane are provided with multiple horizontal guide grooves respectively, hydraulic clamp is used for clamping the edge of injection mold to first abutting plane or second abutting plane, and is slidably connected with guide groove; The hydraulic clamp includes a clamp base and a clamp arm, the clamp arm is swingably mounted on the top of the clamp base, the bottom of the clamp base is provided with a sliding block, and the sliding block is slidably connected with the guide groove; The sliding block is provided with a telescopic rolling mechanism, the tail end of the clamp base is provided with a swingable handle, and the handle is drivingly connected with the telescopic rolling mechanism.

2. The quick attachment and detachment structure of an injection mold according to claim 1, wherein The telescopic rolling mechanism includes a roller, a driving plate and a driving rod, the driving plate is provided with a groove for accommodating the roller, one end of the driving rod is rotatably connected with the driving plate, and the other end of the driving rod is connected with the handle. The sliding block is provided with a sliding cavity, the roller and the driving plate are located in the sliding cavity, and the top and the bottom of the sliding cavity are respectively provided with a plurality of through holes for limiting the roller.

3. The quick attachment and detachment structure of an injection mold according to claim 2, wherein The bottom of the sliding block is provided with a mounting groove, the opening of the mounting groove is fixed with a sealing plate, and the sealing plate and the mounting groove form the sliding cavity. The sealing plate and the bottom of the mounting groove are respectively provided with the through holes.

4. The quick attachment and detachment structure of an injection mold according to claim 2, wherein The top of the two sides of the sliding block is respectively provided with the through holes, and the bottom of the sliding block is provided with at least two rows of through holes.

5. The quick attachment and detachment structure of an injection mold according to claim 2, wherein The handle is fixedly connected with a connecting rod between the two ends, the connecting rod is rotatably connected with the clamp base, and the driving rod is connected with the connecting rod.

6. The quick attachment and detachment structure of an injection mold according to claim 5, wherein The clamp base is provided with a limiting protrusion corresponding to the position of the handle, and the connecting portion of the connecting rod and the clamp base is provided with a return spring.

7. The quick attachment and detachment structure of an injection mold according to claim 1, wherein The edges of the fixed seat and the mobile seat are respectively provided with driving members, and the driving members are rotatably connected with the handle.

8. The quick attachment and detachment structure of an injection mold according to claim 1, wherein A ejector pin driving mechanism is mounted on the rear side of the fixed seat, a push rod of the ejector pin driving mechanism penetrates the fixed seat, a fixed mold plate seat of the injection mold is provided with a clearance hole, the diameter of the clearance hole is greater than the diameter of the push rod, and the push rod abuts against a ejector pin plate of the injection mold after penetrating the clearance hole.

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