Durable mold guide pillar

Abstract

The utility model provides a durable die guide pillar, which belongs to the technical field of die equipment and comprises a base, a guide pillar, a buffer spring, a buffer ring and a die guide sleeve, the guide pillar is fixedly arranged in the center of the upper surface of the base, the buffer spring is fixedly arranged on the base, and the buffer ring is fixedly arranged at the top of the buffer spring. A mold guide sleeve is arranged above the guide column in a sleeving manner, a plurality of positioning holes are formed below the outer side of the guide column, an annular groove is formed in the center of the bottom of the mold guide sleeve, and the buffer ring is provided with a plurality of positioning assemblies; the buffer spring and the buffer ring are arranged, in the mold closing process, the mold moves downwards, the mold guide sleeve moves downwards along the guide column till the mold guide sleeve makes contact with the buffer ring, the buffer ring extrudes the buffer spring, and the buffer spring buffers the buffer ring and the mold guide sleeve; the situation that the guide column deforms in the mold closing process is prevented, and the service life of the guide column is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould equipment technical field, especially a kind of durability mould guide pillar. BACKGROUND

[0002] Guide pillar is used in mould and combined with assembly to ensure that mould is accurately positioned to guide mould stroke, usually by fixedly setting mould guide sleeve on mould, mould guide sleeve moves along guide pillar, to realize the accurate positioning of mould;

[0003] Since guide pillar of mould repeatedly collides with mould in the process of clamping, so as to cause guide pillar of mould to frequently damage, and in the prior art, by installing buffer device on guide pillar of mould, so that guide pillar of mould will deform in the process of clamping to achieve the effect of buffering, but after clamping is completed, buffer device resets, which makes the upper die not in place once clamping, and needs to be moved several times, that is, the working efficiency is reduced;

[0004] In the prior art, a kind of durable mould guide pillar is disclosed in the patent with the authorization announcement No.CN211331001U, the device is set by first blind hole and movable rod, buffer device is set between first blind hole and movable rod, so that movable rod slowly slides in first blind hole through buffer device in the process of clamping, buffer is formed, and the impact of mould on guide pillar is reduced, in addition, through the setting of through hole, first sliding block is slidably connected in through hole, and second sliding block is set at the end of first sliding block close to the outside of main body, so that, in the process of clamping, the upper die compresses second sliding block, so that first sliding block slides towards the direction close to first blind hole, and by setting positioning pin at the end of first sliding block close to first blind hole, positioning hole is set on the surface of movable rod, so that when the device completes buffering, positioning pin is inserted into positioning hole to realize the positioning of movable rod, so that the device will not recover, so that the direction of mould will not change when clamping, and clamping can be completed at one time, which speeds up the working efficiency and strengthens the clamping effect;

[0005] However, in the process of clamping, the mould will extrude first sliding block and second sliding block, so that the positioning pin is attached to the movable rod, and the friction between the positioning pin and the movable rod will affect the smoothness of the movable rod and affect the service life of the movable rod, and after positioning pin is inserted into positioning hole for positioning, after demoulding, first spring and second spring make positioning pin separate from positioning hole, since the buffer device is in compression state when demoulding, the buffer device will generate upward force on the movable rod, so that the positioning pin is tightly attached to the positioning hole, which causes the rebound force of first spring and second spring to be insufficient to eject the positioning pin from the positioning hole, affecting the reset of the buffer device and the movable rod, and affecting the subsequent use, therefore, a kind of durability mould guide pillar is designed to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model discloses a durable mold guide pillar which is provided to solve the problems in the prior art.

[0007] The utility model discloses a durable mold guide pillar, solve the friction of positioning pin and movable rod in the prior art, affect service life and positioning bolt is difficult to eject from the positioning hole, affect the problems of buffer device and movable rod reset.

[0008] The utility model provides a durable mold guide pillar, including base, guide pillar, buffer spring, buffer ring and mold guide sleeve, the upper surface center of base is fixedly arranged with guide pillar, the buffer spring is fixedly arranged on the base, the top of buffer spring is fixedly arranged with buffer ring, the upper portion of guide pillar is sleeved with the mold guide sleeve, the outside lower portion of guide pillar is opened with a plurality of positioning holes, the bottom center of mold guide sleeve is opened with annular groove, buffer ring is provided with a plurality of positioning components.

[0009] Preferably, the positioning component includes a mounting slot, a first return spring, a trapezoidal block, an embedding slot, a second return spring, and a positioning rod. The mounting slot is formed on the outer surface of the buffer ring. The inner end of the mounting slot is connected with the trapezoidal block through the first return spring. The inner side of the trapezoidal block is formed with the embedding slot. The embedding slot is fixedly provided with the positioning rod through the second return spring.

[0010] Preferably, the trapezoidal block is in the shape of a right trapezoid with a smaller width at the top and a larger width at the bottom. When the first return spring is in a natural elongation state, the top of the trapezoidal block is completely embedded in the mounting slot.

[0011] Preferably, the annular groove is matched with the buffer ring, and the annular groove can be sleeved on the buffer ring.

[0012] Preferably, the positioning rod is matched with the positioning hole, and the mold is in a closed state when the positioning rod is embedded in the positioning hole.

[0013] Preferably, the end of the positioning rod is provided with a first rolling ball, and the outer surface of the positioning rod is provided with a plurality of second rolling balls.

[0014] Compared with the prior art, the utility model has at least the following beneficial effects:

[0015] 1. The utility model discloses a buffer spring and a buffer ring, in the process of closing the mold, the mold moves downward, the mold guide sleeve moves downward along the guide pillar, until the mold guide sleeve contacts the buffer ring, the buffer ring extrudes the buffer spring, the buffer spring buffers the buffer ring and the mold guide sleeve, prevents the guide pillar from deforming in the process of closing the mold, and guarantees the service life of the guide pillar.

[0016] 2. The utility model discloses a positioning assembly is set up, in the process of film combination, the mould moves down, and the mould guide bush moves down along the guide column, and the annular groove on the mould guide bush is connected on the buffer ring, and the annular groove extrudes the trapezoidal block, so that the trapezoidal block is completely embedded in the mounting groove, and the first reset spring and the second reset spring are all in the pressure state, and the first ball of positioning rod end portion is close to the guide column, and the mould and mould guide bush drive buffer ring to move down, so that the positioning rod moves down, and the first ball on the positioning rod rolls on the guide column, reduces the friction between the positioning rod and the guide column, prevents the guide column from being damaged by friction, until the positioning rod and the positioning hole coincide, the elasticity of first reset spring and second reset spring 405 is positioned to the positioning rod in the positioning hole, and the mould completes film combination at this time, prevents the reset of buffer device from affecting the film combination of mould, guarantees one-time film combination.

[0017] 3. The utility model discloses the mould and mould guide bush move up when demoulding, and the annular groove on the mould guide bush is separated from the buffer ring, and the elasticity of first reset spring and second reset spring makes the positioning rod from the positioning hole, realizes the effect of canceling positioning, because the multiple second balls of rolling setting are arranged on the outside of positioning rod, can reduce the friction between the positioning rod and the positioning hole, guarantees the elasticity of first reset spring and second reset spring to drive the positioning rod from the positioning hole, guarantees the normal use of follow-up. ACCURATE DRAWINGS

[0018] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiment or prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, various elements or parts are not necessarily drawn according to the actual proportion.

[0019] Figure 1 It is the whole structure perspective diagram of the utility model.

[0020] Figure 2 It is the whole structure section view schematic diagram of the utility model.

[0021] Figure 3 It is the utility model Figure 2 The enlarged structure schematic diagram of A place.

[0022] Figure 4 It is the utility model Figure 3 The enlarged structure schematic diagram of B place.

[0023] [REFERENCE NUMERALS]

[0024] 1, base; 2, guide column; 201, positioning hole; 3, buffer spring; 4, buffer ring; 401, mounting groove; 402, first reset spring; 403, trapezoidal block; 404, embedding groove; 405, second reset spring; 406, positioning rod; 4061, first rolling ball; 4062, second rolling ball; 5, mold guide sleeve; 501, annular groove. DETAILED DESCRIPTION

[0025] EMBODIMENT

[0026] As Figures 1-4 shown, the embodiment of the utility model provides a durable mold guide column, including base 1, guide column 2, buffer spring 3, buffer ring 4 and mold guide sleeve 5, the upper surface center of base 1 is fixedly provided with guide column 2, and the buffer spring 3 is fixedly set up on base 1, and the top of buffer spring 3 is fixedly provided with buffer ring 4, and the upper portion of guide column 2 is sleeved with mold guide sleeve 5, and the lower side of the outside of guide column 2 is provided with a plurality of positioning holes 201, and the bottom center of mold guide sleeve 5 is provided with annular groove 501, and buffer ring 4 is provided with a plurality of positioning assemblies.

[0027] In the embodiment, the positioning assembly includes mounting groove 401, first reset spring 402, trapezoidal block 403, embedding groove 404, second reset spring 405 and positioning rod 406, mounting groove 401 is opened in the outside surface of buffer ring 4, the inner end of mounting groove 401 is connected with trapezoidal block 403 through first reset spring 402, the inside of trapezoidal block 403 is provided with embedding groove 404, and positioning rod 406 is fixedly arranged in embedding groove 404 through second reset spring 405.

[0028] In the embodiment, trapezoidal block 403 is in the shape of right-angle trapezoid with small upper width and large lower width, and when first reset spring 402 is in the natural elongation state, the upper portion of trapezoidal block 403 is completely embedded in mounting groove 401.

[0029] In the embodiment, annular groove 501 is matched with buffer ring 4, and annular groove 501 can be sleeved on buffer ring 4, so that annular groove 501 can conveniently press trapezoidal block 403 into mounting groove 401.

[0030] In the embodiment, positioning rod 406 is matched with positioning hole 201, and when positioning rod 406 is embedded in positioning hole 201, the mold is in the closed state, so that the closed state can be conveniently positioned, the mold can be ensured to be in place at one time, and the working efficiency is increased.

[0031] By setting the buffer spring 3 and the buffer ring 4, in the process of film combining, the mold moves downward, the mold guide sleeve 5 moves downward along the guide column 2, until the mold guide sleeve 5 contacts the buffer ring 4, the buffer ring 4 extrudes the buffer spring 3, the buffer spring 3 buffers the buffer ring 4 and the mold guide sleeve 5, prevents the deformation of the guide column 2 in the process of mold film combining, and ensures the service life of the guide column 2.

[0032] In the embodiment, the end of the positioning rod 406 is provided with a first rolling ball 4061, and the outer surface of the positioning rod 406 is provided with a plurality of second rolling balls 4062, the first rolling ball 4061 can reduce the friction between the positioning rod 406 and the guide column 2, prevent the guide column 2 from being damaged by friction, and ensure the service life of the guide column 2, and the second rolling ball 4062 can reduce the friction between the positioning rod 406 and the positioning hole 201, and ensure that the elastic force of the first reset spring 402 and the second reset spring 405 can pop the positioning rod 406 out of the positioning hole 201.

[0033] By setting the positioning assembly, in the process of film combining, the mold moves downward, the mold guide sleeve 5 moves downward along the guide column 2, the annular groove 501 on the mold guide sleeve 5 is sleeved on the buffer ring 4, the annular groove 501 extrudes the trapezoidal block 403, the trapezoidal block 403 is completely embedded in the mounting groove 401, the first reset spring 402 and the second reset spring 405 are in a compressed state, the first rolling ball 4061 at the end of the positioning rod 406 is tightly attached to the guide column 2, the mold and the mold guide sleeve 5 drive the buffer ring 4 to move downward, the positioning rod 406 moves downward, the first rolling ball 4061 on the positioning rod 406 rolls on the guide column 2, reduces the friction between the positioning rod 406 and the guide column 2, prevents the guide column 2 from being damaged by friction, until the positioning rod 406 coincides with the positioning hole 201, the elastic force of the first reset spring 402 and the second reset spring 405 pops the positioning rod 406 into the positioning hole 201 for positioning, and at this time the mold completes film combining, prevents the reset of the buffer device from affecting the film combining of the mold, and ensures one-time film combining.

[0034] When demolding, the mold and the mold guide sleeve 5 move upward, the annular groove 501 on the mold guide sleeve 5 is separated from the buffer ring 4, the elastic force of the first reset spring 402 and the second reset spring 405 makes the positioning rod 406 pop out of the positioning hole 201, realizes the effect of releasing positioning, and since the outer side of the positioning rod 406 is provided with a plurality of second rolling balls 4062, the friction between the positioning rod 406 and the positioning hole 201 is reduced, the elastic force of the first reset spring 402 and the second reset spring 405 drives the positioning rod 406 to pop out of the positioning hole 201, and normal use is ensured.

[0035] The above is only the preferred embodiment of the present application, and it should be pointed out that, for those skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, and these will not affect the effect and practicality of the present application.

Claims

1. A durable mold guide post, characterized by: Including base (1), guide column (2), buffer spring (3), buffer ring (4) and mold guide sleeve (5), the upper surface of the base (1) is fixedly provided with guide column (2), the base (1) is fixedly provided with buffer spring (3), the top of the buffer spring (3) is fixedly provided with buffer ring (4), the upper part of the guide column (2) is sleeved with mold guide sleeve (5), a plurality of positioning holes (201) are formed in the lower side of the guide column (2), an annular groove (501) is formed in the bottom of the mold guide sleeve (5), and the buffer ring (4) is provided with a plurality of positioning components.

2. The durable mold guide pillar of claim 1, wherein: The positioning assembly comprises a mounting groove (401), a first reset spring (402), a trapezoidal block (403), an embedding groove (404), a second reset spring (405) and a positioning rod (406), the mounting groove (401) is formed in the outer surface of the buffer ring (4), the inner end of the mounting groove (401) is connected with the trapezoidal block (403) through the first reset spring (402), the inner side of the trapezoidal block (403) is provided with the embedding groove (404), and the embedding groove (404) is fixedly provided with the positioning rod (406) through the second reset spring (405).

3. The durable mold guide pillar of claim 2, wherein: The trapezoidal block (403) is a right trapezoidal shape with small upper width and large lower width, and when the first reset spring (402) is in a natural elongation state, the upper part of the trapezoidal block (403) is completely embedded in the mounting groove (401).

4. The durable mold guide pillar of claim 3, wherein: The annular groove (501) is matched with the buffer ring (4), and the annular groove (501) can be sleeved on the buffer ring (4).

5. The durable mold guide pillar of claim 4, wherein: The positioning rod (406) is matched with the positioning hole (201), and when the positioning rod (406) is embedded in the positioning hole (201), the mold is in a closed state.

6. The durable mold guide pillar of claim 5, wherein: The end of the positioning rod (406) is rotatably provided with a first rolling ball (4061), and the outer surface of the positioning rod (406) is rotatably provided with a plurality of second rolling balls (4062).

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