Limiting and buffering device for mold closing of injection mold

Abstract

According to the limiting and buffering device for mold closing of the injection mold, when equipment works, firstly, the double-shaft driving motor rotates, then the first adjusting threaded rod and the second adjusting threaded rod are driven to rotate, then the adjusting plate is driven to move, and then the mold body is driven to conduct mold closing; then a connecting box is fixedly arranged on an adjusting plate through threaded connection of a connecting bolt and a connecting base, then the extending length between a second clamping adjusting threaded rod and a first clamping adjusting threaded rod is changed by screwing an adjusting nut, then a clamping rod is driven to move, clamping of a clamping stop block is achieved, and the clamping stop block is clamped; according to the injection mold, the connecting box can be fixed in an auxiliary mode, then through the elasticity of the buffer springs, the mold is buffered when the mold is closed, finally, the mold is limited, fixed and buffered when the injection mold is closed, the stability of the mold is improved, and the injection molding effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection mold clamping, in particular to a position limiting buffer device for injection mold clamping. Background Art

[0002] Injection molding is also called injection molding, which is a molding method that combines injection and molding. The advantages of the injection molding method are fast production speed, high efficiency, automated operation, a wide variety of colors, shapes from simple to complex, sizes from large to small, and precise product size. The product is easy to update and can be made into complex-shaped parts. Injection molding is suitable for mass production and complex-shaped products and other molding and processing fields;

[0003] The existing injection molds cannot limit, fix and buffer the molds when closing the molds, which easily causes damage to the mold surface and further affects the effect of injection molding. Utility Model Content

[0004] The utility model aims to provide a limit buffer device for closing a mold of an injection mold, which is used to solve the problems raised in the background technology and is convenient for promotion.

[0005] In order to achieve the above utility model purpose, the technical solution adopted by the utility model is:

[0006] A limit buffer device for mold clamping of an injection mold, comprising a bottom plate, a vertical plate 1 and a vertical plate 2 are symmetrically arranged on the bottom plate, an adjustment box is arranged on the bottom plate, an adjustment device is arranged in the adjustment box, a connecting device is arranged on the adjustment device, a clamping device is arranged on the connecting device, a buffer device is arranged between the adjustment device and the vertical plate 1 and the vertical plate 2, and a strip-shaped through hole is opened on the upper end surface of the adjustment box;

[0007] The adjustment device includes a dual-axis drive motor fixedly arranged at the bottom of the adjustment box, an adjustment threaded rod 1 and an adjustment threaded rod 2 are fixedly arranged on the output end of the dual-axis drive motor, one end of the adjustment threaded rod 1 and the adjustment threaded rod 2 away from the output end of the dual-axis drive motor are rotatably arranged on the inner wall of the adjustment box, a screw nut pair is threadedly connected to the adjustment threaded rod 1 and the adjustment threaded rod 2, and an adjustment plate is arranged on the screw nut pair.

[0008] Furthermore, the buffer device includes a buffer rod 1 and a buffer rod 2 which are inserted in pairs on the vertical plate 1 and the vertical plate 2, and a limit plate is fixedly provided at one end of the buffer rod 1 and the buffer rod 2, and one end of the buffer rod 1 and the buffer rod 2 away from the limit plate is fixedly provided on the outer wall of the adjustment plate, and a buffer spring is fixedly provided between the adjustment plate and the vertical plate 1 and the vertical plate 2, and the buffer spring is sleeved on the buffer rod 1 and the buffer rod 2.

[0009] Furthermore, the connecting device includes a connecting box arranged on the inner wall of the adjusting plate, a connecting seat is symmetrically arranged on the inner wall of the connecting box, connecting bolts are symmetrically arranged on the adjusting plate, the connecting bolts pass through the connecting box and are threadedly connected to the connecting seat, and a mold body is symmetrically arranged on the inner wall of the connecting box.

[0010] Furthermore, the locking device includes a locking fixing block fixedly arranged on the adjusting plate and a locking blocking block fixedly arranged on the connecting box, a locking rod is movably provided on the locking fixing block, a locking adjustment threaded rod 1 is fixedly provided on the inner wall of the locking fixing block, a locking adjustment threaded rod 2 is movably provided on the locking rod, and an adjusting nut is threadedly connected between the locking adjustment threaded rod 2 and the locking adjustment threaded rod 1.

[0011] Furthermore, the thread rotation direction of the second locking adjustment threaded rod is opposite to that of the first locking adjustment threaded rod.

[0012] As an improvement, the beneficial effects of the utility model are:

[0013] The utility model discloses a limit buffer device for mold closing of injection mold. When the equipment is working, it first drives the rotation of the double-axis driving motor to drive the rotation of the adjusting threaded rod one and the adjusting threaded rod two, and then drives the movement of the adjusting plate, and then drives the mold body to close the mold. Then, the connecting bolt is connected with the threaded connection of the connecting seat, so as to fix the connecting box on the adjusting plate. Then, the adjusting nut is turned to change the extension length between the engaging adjusting threaded rod two and the engaging adjusting threaded rod one, so as to drive the movement of the engaging rod, and then the engaging block is engaged, and then the connecting box is auxiliary fixed. Then, the elasticity of the buffer spring is used to buffer the mold when the mold is closed. Finally, the mold is limited, fixed and buffered when the injection mold is closed, so as to improve the stability of the mold and thus improve the injection molding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of a limit buffer device for mold clamping of an injection mold according to the utility model;

[0015] Figure 2 For this utility model Figure 1 A in the enlarged view;

[0016] Reference table of reference numerals:

[0017] 1. Bottom plate; 2. Vertical plate 1; 3. Vertical plate 2; 4. Adjustment box; 5. Adjustment device; 501. Dual-axis drive motor; 502. Adjustment threaded rod 1; 503. Adjustment threaded rod 2; 504. Screw nut pair; 505. Adjustment plate; 6. Connecting device; 601. Connecting box; 602. Connecting seat; 603. Connecting bolt; 604. Mold body; 7. Clamping device; 701. Clamping fixing block; 702. Clamping block; 703. Clamping rod; 704. Clamping adjustment threaded rod 1; 705. Clamping adjustment threaded rod 2; 706. Adjustment nut; 8. Buffer device; 801. Buffer rod 1; 802. Buffer rod 2; 803. Limiting plate; 804. Buffer spring; 9. Strip through hole. DETAILED DESCRIPTION

[0018] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings. The same parts are represented by the same figure numbers. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the accompanying drawings, and the words "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0019] In order to make the content of the utility model easier to understand, the technical solution in the embodiment of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiment of the utility model, wherein the same parts are represented by the same reference numerals.

[0020] according to Figure 1 to Figure 2 As shown, a limit buffer device for closing a mold of an injection mold comprises a base plate 1, on which a vertical plate 1 2 and a vertical plate 2 3 are symmetrically arranged, an adjusting box 4 is arranged on the base plate 1, an adjusting device 5 is arranged in the adjusting box 4, a connecting device 6 is arranged on the adjusting device 5, a clamping device 7 is arranged on the connecting device 6, a buffer device 8 is arranged between the adjusting device 5 and the vertical plate 1 2 and the vertical plate 2 3, and a strip-shaped through hole 9 is opened on the upper end surface of the adjusting box 4.

[0021] The adjusting device 5 includes a dual-axis driving motor 501 fixedly arranged at the bottom of the adjusting box 4, an adjusting threaded rod 1 502 and an adjusting threaded rod 2 503 are fixedly arranged on the output end of the dual-axis driving motor 501, and the adjusting threaded rod 1 502 and the adjusting threaded rod 2 503 are rotatably arranged on the inner wall of the adjusting box 4 at one end away from the output end of the dual-axis driving motor 501, and a lead screw nut pair 504 is threadedly connected to the adjusting threaded rod 1 502 and the adjusting threaded rod 2 503, and an adjusting plate 505 is arranged on the lead screw nut pair 504, and the dual-axis driving motor 501 rotates, thereby driving the adjusting threaded rod 1 502 and the adjusting threaded rod 2 503 to rotate, thereby driving the adjusting plate 505 to move, and then driving the mold body 604 to close the mold.

[0022] The buffer device 8 includes a buffer rod 1 801 and a buffer rod 2 802 which are inserted in pairs on the vertical plate 1 2 and the vertical plate 2 3. A limit plate 803 is fixedly provided at one end of the buffer rod 1 801 and the buffer rod 2 802. One end of the buffer rod 1 801 and the buffer rod 2 802 away from the limit plate 803 is fixedly provided on the outer wall of the adjustment plate 505. A buffer spring 804 is fixedly provided between the adjustment plate 505 and the vertical plate 1 2 and the vertical plate 2 3. The buffer spring 804 is sleeved on the buffer rod 1 801 and the buffer rod 2 802. Through the elasticity of the buffer spring 804, the mold is buffered when the mold is closed.

[0023] The connecting device 6 includes a connecting box 601 arranged on the inner wall of the adjusting plate 505, a connecting seat 602 is symmetrically arranged on the inner wall of the connecting box 601, and connecting bolts 603 are symmetrically arranged on the adjusting plate 505. The connecting bolts 603 pass through the connecting box 601 and are threadedly connected to the connecting seat 602. A mold body 604 is symmetrically arranged on the inner wall of the connecting box 601, and the connecting bolts 603 are threadedly connected to the connecting seat 602, so that the connecting box 601 is fixed on the adjusting plate 505.

[0024] The clamping device 7 includes a clamping fixed block 701 fixedly arranged on the adjustment plate 505 and a clamping block 702 fixedly arranged on the connection box 601, a clamping rod 703 is movably arranged on the clamping fixed block 701, a clamping adjustment threaded rod 1 704 is fixedly arranged on the inner wall of the clamping fixed block 701, a clamping adjustment threaded rod 2 705 is movably arranged on the clamping rod 703, an adjusting nut 706 is threadedly connected between the clamping adjustment threaded rod 2 705 and the clamping adjustment threaded rod 1 704, and the clamping adjustment threaded rod 2 The thread rotation direction between 705 and the locking adjustment threaded rod 1 704 is opposite. By turning the adjusting nut 706, the extension length between the locking adjustment threaded rod 2 705 and the locking adjustment threaded rod 1 704 is changed, thereby driving the movement of the locking rod 703, thereby realizing the locking of the locking block 702, and then achieving auxiliary fixation of the connecting box 601, and finally achieving the limit fixation and buffering of the mold when the injection mold is closed, thereby improving the stability of the mold and thus improving the injection molding effect.

[0025] The above are only preferred embodiments of the present utility model patent and are not intended to limit the present utility model patent. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model patent shall be included in the protection scope of the present utility model patent.

Claims

1. A limit buffer device for closing a mold of an injection mold, comprising a bottom plate (1), It is characterized in that A vertical plate 1 (2) and a vertical plate 2 (3) are symmetrically arranged on the bottom plate (1); an adjustment box (4) is arranged on the bottom plate (1); an adjustment device (5) is arranged inside the adjustment box (4); a connecting device (6) is arranged on the adjustment device (5); a locking device (7) is arranged on the connecting device (6); a buffer device (8) is arranged between the adjustment device (5) and the vertical plate 1 (2) and the vertical plate 2 (3); and a strip-shaped through hole (9) is opened on the upper end surface of the adjustment box (4); The adjusting device (5) comprises a dual-axis driving motor (501) fixedly arranged at the bottom of the adjusting box (4); an adjusting threaded rod 1 (502) and an adjusting threaded rod 2 (503) are fixedly arranged on the output end of the dual-axis driving motor (501); one end of the adjusting threaded rod 1 (502) and the adjusting threaded rod 2 (503) away from the output end of the dual-axis driving motor (501) are rotatably arranged on the inner wall of the adjusting box (4); a lead screw nut pair (504) is threadedly connected to the lead screw nut pair (504); and an adjusting plate (505) is arranged on the lead screw nut pair (504).

2. A limit buffer device for injection mold clamping according to claim 1, It is characterized in that The buffer device (8) comprises a buffer rod 1 (801) and a buffer rod 2 (802) inserted in pairs on the vertical plate 1 (2) and the vertical plate 2 (3); a limit plate (803) is fixedly provided at one end of the buffer rod 1 (801) and the buffer rod 2 (802); one end of the buffer rod 1 (801) and the buffer rod 2 (802) away from the limit plate (803) is fixedly provided on the outer wall of the adjustment plate (505); a buffer spring (804) is fixedly provided between the adjustment plate (505) and the vertical plate 1 (2) and the vertical plate 2 (3); and the buffer spring (804) is sleeved on the buffer rod 1 (801) and the buffer rod 2 (802).

3. A limit buffer device for injection mold clamping according to claim 2, It is characterized in that The connecting device (6) comprises a connecting box (601) arranged on the inner wall of the adjusting plate (505), a connecting seat (602) symmetrically arranged on the inner wall of the connecting box (601), connecting bolts (603) symmetrically arranged on the adjusting plate (505), the connecting bolts (603) passing through the connecting box (601) and being threadedly connected to the connecting seat (602), and a mold body (604) symmetrically arranged on the inner wall of the connecting box (601).

4. A limit buffer device for injection mold clamping according to claim 3, It is characterized in that The locking device (7) comprises a locking fixing block (701) fixedly arranged on the adjustment plate (505) and a locking blocking block (702) fixedly arranged on the connection box (601); a locking rod (703) is movably arranged on the locking fixing block (701); a locking adjustment threaded rod 1 (704) is fixedly arranged on the inner wall of the locking fixing block (701); a locking adjustment threaded rod 2 (705) is movably arranged on the locking rod (703); an adjusting nut (706) is threadedly connected between the locking adjustment threaded rod 2 (705) and the locking adjustment threaded rod 1 (704).

5. A limit buffer device for injection mold clamping according to claim 4, It is characterized in that The thread rotation direction of the second locking adjustment threaded rod (705) is opposite to that of the first locking adjustment threaded rod (704).

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