straight lift ejection mechanism

Abstract

The application discloses a straight-ejecting ejection mechanism and relates to the technical field of ejection devices. The straight-ejecting ejection mechanism comprises a straight-ejecting block, a ejector rod, a driving module and a pop-up assembly. The straight-ejecting block and a mold plate are provided with an injection space of a workpiece. A cooling pipeline is arranged in the straight-ejecting block. A water outlet is arranged on the straight-ejecting block and is connected with the cooling pipeline. The cooling pipeline is used for passing in a cooling medium. The driving module is used for driving the ejector rod to vertically eject the workpiece. The pop-up assembly is abutted against the workpiece and is used for assisting the straight-ejecting block to eject the workpiece. The application solves the technical problem that the existing technology cannot transport water due to insufficient ejection space, thereby prolonging the injection molding cycle.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of demolding device, in particular to a straight top ejection mechanism. BACKGROUND

[0002] Mold, industrial production by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods to get the desired workpiece of various molds and tools. Mold is a tool used to make shaped objects. With the personalization and complexity of workpieces, etc., the structure of the mold needs to be changed constantly to adapt to different workpieces. In the prior art, when encountering structures such as internal reverse buckles and buckle positions, the ejection demolding is generally performed by using a inclined top mechanism. The inclined top is pushed forward along a certain angle, and when a certain distance is reached, the position of the buckle is separated from the inside of the plastic, so that the workpiece can be smoothly taken out. However, the existing inclined top mechanism in the inclined top mold has insufficient ejection space, causing the inclined top mechanism to generally interfere, and because there is not enough ejection space, water cannot be transported, affecting the cooling of the workpiece and lengthening the injection molding cycle; and the existing straight top mechanism has poor ejection effect and may cause incomplete ejection of the workpiece. SUMMARY

[0003] Therefore, the present application provides a straight top ejection mechanism to solve the technical problems of insufficient ejection space, long injection molding cycle and poor ejection effect in the prior art. In order to achieve one or part or all of the above purposes or other purposes, the present application provides a straight top ejection mechanism, which comprises a straight top block, a top rod, a driving module and a pop-up assembly. The straight top block and the mold plate have an injection space for the workpiece. A cooling pipeline is formed in the straight top block. A water outlet is provided on the straight top block, and the water outlet is connected with the cooling pipeline. The cooling pipeline is used for introducing a cooling medium. The driving module is used for driving the top rod to vertically eject the workpiece. The pop-up assembly abuts against the workpiece, and the pop-up assembly is used for assisting the straight top block to eject the workpiece.

[0004] Preferably, the top rod is provided with a water outlet pipeline in communication with the cooling pipeline, and the outlet of the water outlet pipeline is arranged on the top rod. The cooling medium flows out of the cooling pipeline into the water outlet pipeline to cool the top rod.

[0005] Preferably, the pop-up assembly comprises a pop-up block and an elastic member. The pop-up block abuts against the workpiece, and the elastic member is mounted on the side of the pop-up block away from the workpiece. When the workpiece is injection molded, the elastic member is in a compressed state.

[0006] Preferably, the ejecting block is provided with a first through hole, a fixing rod is inserted into the first through hole to fix the mold plate; the elastic member is arranged between the ejecting block and the mold plate; a head of the fixing rod is spaced apart from the ejecting block, the elastic member is used to push the ejecting block to the head of the fixing rod, and the head of the fixing rod is used to limit the ejection distance of the ejecting block.

[0007] Preferably, the straight-ejecting ejection mechanism further comprises a first guide assembly, the first guide assembly is coaxial with the ejecting rod, and the first guide assembly is used to guide the movement of the straight-ejecting block.

[0008] Preferably, the first guide assembly comprises a first guide column and a first guide sleeve, the first guide column is fixedly connected with the straight-ejecting block, and the first guide sleeve is arranged in the mold plate, and the first guide column reciprocates in the first guide sleeve.

[0009] Preferably, the first guide assembly further comprises a gasket, the gasket is sleeved between the first guide sleeve and the mold plate, and the gasket is used to buffer and dampen the vibration generated by the movement of the first guide column in the first guide sleeve.

[0010] Preferably, the straight-ejecting ejection mechanism further comprises a limiting assembly, the limiting assembly is used to fix and limit the straight-ejecting block, the ejecting rod and the first guide column, the limiting assembly comprises a fixing plate and a limiting member, the fixing plate is fixedly connected with the straight-ejecting block, the fixing plate is provided with a limiting hole, and the limiting member is inserted into the ejecting rod and the first guide column through the limiting hole.

[0011] Preferably, the limiting member is a pin.

[0012] Preferably, the ejecting assembly further comprises a second guide assembly, the second guide assembly comprises a second guide column and a second guide sleeve, the ejecting block is further provided with a second through hole, the second guide column extends into the second through hole and is fixed with the ejecting block, the second guide column is coaxially arranged with the ejecting rod, and the second guide assembly is used to guide the movement direction of the ejecting block.

[0013] The embodiment of the present application has the following beneficial effects:

[0014] In the straight-ejecting ejection mechanism, the straight-ejecting block and the mold plate are spaced apart to form an injection space for a workpiece, a cooling pipeline is arranged in the straight-ejecting block to cool the workpiece, and a plurality of water outlets are arranged to quickly discharge the cooling medium in the cooling pipeline and replace the cooling medium, so that the injection molding cycle of the workpiece is effectively shortened; in addition, the ejecting assembly is arranged to abut against the workpiece during the ejection of the workpiece, so as to assist the straight-ejecting block to eject the workpiece, and the ejected workpiece is complete and is prevented from being bonded to the mold. BRIEF DESCRIPTION OF DRAWINGS

[0015] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the assembly structure of the overall mold in one embodiment;

[0017] Figure 2 for Figure 1 The overall mold bottom view shown;

[0018] Figure 3 for Figure 1 The diagram shows the structure of the template.

[0019] Figure 4 for Figure 1 A simplified structural diagram of the direct ejection mechanism and the workpiece is shown.

[0020] Figure 5 for Figure 4 The diagram shows the top rod structure.

[0021] Figure 6 for Figure 4 The diagram shows the structure of the first guide component.

[0022] Figure 7 for Figure 4 The diagram shows the structure of the limiting component.

[0023] Figure 8 for Figure 4 The diagram shows the structure of the pop-up component and its cross-sectional view.

[0024] Figure 9 for Figure 1 The diagram shows the overall structure of the slider assembly.

[0025] Figure 10 for Figure 9 The bottom view of the slider assembly shown.

[0026] Wherein: 110, template; 111, accommodation space; 112, installation space; 113, groove; 120, straight top ejection mechanism; 121, straight top block; 1211, cooling pipeline; 122, ejector rod; 1221, water outlet pipeline; 123, pop-up assembly; 1231, pop-up block; 1232, elastic piece; 1233, second guide assembly; 12331, second guide column; 12332, second guide sleeve; 1234, fixed rod; 124, first guide assembly; 1241, first guide column; 1242, first guide sleeve; 1243, gasket; 125, limiting assembly; 1251, fixed plate; 1252, limiting piece; 130, sliding block assembly; 131, sliding block; 132, driving unit; 133, sliding rail; 134, sliding plate; 140, workpiece; 150, inclined ejection mechanism; 160, limiting block. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0028] As shown in the figure, Figures 1-3 The straight top mold includes a template 110, a straight top ejection mechanism 120 and a sliding block assembly 130. The template 110 is a rectangular block structure, and the sliding block assembly 130 is installed on both sides of the template 110. In addition, the template 110 is provided with an accommodation space 111 and an installation space 112, which are used to accommodate the straight top ejection mechanism 120. The straight top ejection mechanism 120 includes a straight top block 121 and a pop-up assembly 123, and the straight top block 121 is accommodated in the accommodation space 111, and the pop-up assembly 123 is accommodated in the installation space 112. The template 110 is a symmetrical structure, and the sliding block assembly 130 and the straight top ejection mechanism 120 are installed on the opposite sides of the template 110, respectively, so that two mutually symmetrical workpieces 140 can be processed at the same time. The injection molding space of the workpiece 140 is shaped by the straight top block 121, the template and the sliding block assembly 130. In addition, the straight top mold also includes a movable template for mold opening and closing. The template and the movable template are the entire template.

[0029] As shown in the figure, Figures 4-8As shown, the straight ejection mechanism 120 includes a straight ejection block 121, an ejector rod 122, a driving module and a pop-up assembly 123; the straight ejection block 121 leaves a space for the injection molding of the workpiece 140 between the straight ejection block 121 and the mold plate; the cooling pipeline 1211 is arranged in the straight ejection block 121, and the cooling pipelines 1211 are connected with each other; the straight ejection block 121 is provided with a water outlet connected with the cooling pipeline 1211; and the cooling pipeline 1211 is used for passing through the cooling medium. The driving module is used for driving the ejector rod 122 to vertically eject the workpiece 140. The pop-up assembly 123 is used for assisting the straight ejection block 121 to eject the workpiece 140. The straight ejection block 121 is provided with a notch, and one end of the ejector rod 122 extends into the notch and is fixed with the straight ejection block 121.

[0030] Specifically, the straight ejection block 121 is processed from a rectangular long block, and the top surface of the straight ejection block 121, that is, the surface exposed on the mold plate 110, is matched with the shape of the workpiece 140. The straight ejection block 121 is accommodated in the accommodation space 111, and the straight ejection block 121 is not fixedly connected with the mold plate 110. The straight ejection block 121 is clamped with the mold plate 110 through the sliding block assembly 130. After the injection molding and cooling of the workpiece 140 are completed, the straight ejection block 121 is driven by the driving module to drive the ejector rod 122 to take out the workpiece 140 from the mold plate 110. And in the process of movement of the ejector rod 122, the sliding block assembly 130 simultaneously releases the clamping of the straight ejection block 121.

[0031] The workpiece 140 is in an elongated shape, and the workpiece 140 is in a U-shaped structure. From the cross-sectional shape of the workpiece 140, one side of the workpiece 140 protrudes outward by an arc-shaped package to form an undercut, and the other side of the workpiece 140 is provided with a protruding strip in the shape of a lower-case letter h. The middle part of the workpiece 140 is attached to the top surface of the straight ejection block 121. The protruding strip and the undercut are arranged along the length direction of the workpiece 140 and the straight ejection block 121 to form the elongated workpiece 140.

[0032] A plurality of cooling pipelines 1211 are arranged in the straight ejection block 121 along the length direction of the straight ejection block 121. The cooling pipelines are connected with each other in the interior of the straight ejection block 121. The bottom surface of the straight ejection block 121 is provided with a plurality of water outlets connected with different cooling pipelines 1211. The cooling medium is injected into the cooling pipelines 1211, and the straight ejection block 121 is cooled through the plurality of cooling pipelines 1211. The straight ejection block 121 can be cooled, and the workpiece 140 can be cooled. The straight ejection block 121, the mold plate 110 and the sliding block assembly 130 are prevented from being stuck. The injection molding cycle of the workpiece 140 is shortened, the injection molding efficiency is improved, the cooling effect is good, and the cooling medium can maintain a good temperature for cooling.

[0033] In addition, the straight top block 121 is provided with a notch, and the template 110 is provided with a through hole at a position corresponding to the notch, which is used to install the top rod 122. The top rod 122 is provided in plurality, and at least three top rods 122 are respectively arranged at two end positions and a middle position of the straight top block 121. The top end of the top rod 122 extends into the notch and abuts against the straight top block 121. The notch can be circular or square. The end of the top rod 122 away from the straight top block 121 is driven by the driving module. The driving module drives the top rod 122 to move upward along the length direction of the top rod 122, and then drives the straight top block 121 to move, so as to take out the workpiece 140 from the straight top die. Then, the workpiece 140 is taken out by cooperation of a mechanical hand or the like.

[0034] In other embodiments, the top rod 122 is provided with a water outlet pipeline, the water outlet pipeline is communicated with the cooling pipeline 1211, and the outlet of the water outlet pipeline is arranged on the top rod 122. The cooling medium flows out of the cooling pipeline 1211 into the water outlet pipeline to cool the top rod 122. Specifically, the inside of the top rod 122 is hollow to form the water outlet pipeline, and the water outlet pipeline is communicated with the cooling pipeline 1211 of the straight top block 121, that is, the water in the straight top block 121 can be guided out of the top rod 122. In addition, the water outlet pipeline is L-shaped, and the outlet of the water outlet pipeline is arranged at the end position of the top rod 122 away from the straight top block 121.

[0035] In other embodiments, the straight top ejection mechanism 120 further comprises a first guide assembly 124, which is coaxial with the top rod 122 and is used to guide the movement of the straight top block 121. The first guide assembly 124 comprises a first guide column 1241 and a first guide sleeve 1242. The first guide column 1241 is fixedly connected with the straight top block 121, and the first guide sleeve 1242 is installed in the template 110. The first guide column 1241 reciprocates in the first guide sleeve 1242. The first guide assembly 124 further comprises a gasket 1243, which is sleeved between the first guide sleeve 1242 and the template 110. The gasket 1243 is used to buffer and dampen the vibration generated by the movement of the first guide column 1241 in the first guide sleeve 1242.

[0036] Specifically, the first guide assembly 124 includes a first guide column 1241 and a first guide sleeve 1242, through the action of the first guide column 1241 and the first guide sleeve 1242, the direction of the straight top block 121 is ejected and the direction of the fall is limited and positioned, avoiding the position of the ejector rod 122 from being offset for a long time, reducing the precision of the straight top mold. The first guide column 1241 and the first guide sleeve 1242 are circular in shape, the first guide sleeve 1242 is sleeved on the first guide column 1241, the first guide sleeve 1242 is fixedly connected with the mold plate 110, the first guide column 1241 is fixedly connected with the straight top block 121, the length of the first guide column 1241 is greater than the thickness of the mold plate 110, and the straight top block 121 can be ejected without leaving the first guide sleeve 1242. In addition, a gasket 1243 is placed on the first guide sleeve 1242, the gasket 1243 is arranged between the first guide sleeve 1242 and the mold plate 110 for buffering and shock absorption.

[0037] The straight top ejection mechanism 120 further includes a limiting assembly 125 for fixing and limiting the ejector rod 122 and the first guide column 1241 with the straight top block 121, the limiting assembly 125 includes a fixed plate 1251 and a limiting piece 1252, the fixed plate 1251 is fixedly connected with the straight top block 121; the fixed plate 1251 is provided with a limiting hole, and the limiting piece 1252 is inserted into the ejector rod 122 and the first guide column 1241 through the limiting hole. The limiting piece 1252 is a pin.

[0038] Specifically, the straight top block 121 is provided with an embedded hole for installing the limiting assembly 125. The fixed plate 1251 is a rectangular plate structure, which is fixedly installed with the straight top block 121 by installing bolts at both ends of the fixed plate 1251. The installation positions of the ejector rod 122 and the first guide column 1241 also correspond to the inboard side of the embedded hole, and the fixed plate 1251, the straight top block 121, the first guide column 1241 and the ejector rod 122 are positioned and fixed by installing a pin at the middle position of the fixed plate 1251. And the pin can limit the rotation of the first guide column 1241 and the ejector rod 122, which has the effect of a key.

[0039] As Figure 8As shown, the ejecting assembly 123 includes an ejecting block 1231 abutting against the workpiece 140 and an elastic member 1232 installed on the side of the ejecting block 1231 away from the workpiece 140. When the workpiece 140 is being injection molded, the elastic member 1232 is in a compressed state and cannot be ejected due to the clamped state of the overall mold. The ejecting assembly 123 and the elastic member 1232 can assist the ejection of the workpiece 140. During the injection molding of the workpiece 140, the elastic member 1232 is in a compressed state, and the straight ejecting block 121 and the ejecting block 1231 are limited by the clamping and the slider assembly 130. After the injection molding is completed, i.e., after the mold is opened, the straight ejecting block 121 and the ejecting block 1231 are released by the clamping and the slider assembly 130, and the ejecting block 1231 cooperates with the straight ejecting block 121 to upwardly eject the workpiece 140, thereby assisting the ejection.

[0040] Specifically, the ejecting block 1231 abuts against the outer side protrusions of the workpiece 140, and by abutting against the protrusions of the workpiece 140, the workpiece 140 can be completely ejected from the accommodating space 111.

[0041] The ejecting block 1231 is provided with a first through hole, and a fixing rod 1234 is inserted into the first through hole to fix the ejecting block 1231 to the mold plate 110. The elastic member 1232 is installed between the ejecting block 1231 and the mold plate 110. A gap is left between the head of the fixing rod 1234 and the ejecting block 1231, and the elastic member 1232 is used to push the ejecting block 1231 to the head of the fixing rod 1234, and the head of the fixing rod 1234 is used to limit the ejection distance of the ejecting block 1231.

[0042] Specifically, the fixing rod 1234 can be a screw or a screw rod. If it is a screw, the screw rod part of the screw is divided into two parts, the bottom of the screw rod is provided with a thread, and the upper middle part of the screw rod is not provided with a thread. The screw rod is fixedly connected to the mold plate 110 through the thread at the bottom, and a gap is left between the head of the screw and the installation table of the ejecting block 1231. An elastic member 1232 is arranged between the mold plate 110 and the ejecting block 1231 and is sleeved on the upper part of the screw. The elastic member 1232 can be a spring or an elastic pipe, and the elastic force of the elastic member 1232 can upwardly push the ejecting block 1231, and the head of the screw is used to limit the ejection distance of the ejecting block 1231. By designing the elastic member 1232 and the ejecting block 1231, the ejecting block 1231 can help the ejecting rod 122 to eject the workpiece 140, and the ejection distance of the ejecting block 1231 is limited by the head of the screw, thereby avoiding the problem of excessive rebound of the ejecting block 1231. The ejecting distance is only used to eject the workpiece 140 from the mold plate 110, thereby avoiding the adhesion of the workpiece 140 to the mold plate 110. In addition, a positioning pin is arranged at the middle position of the ejecting block 1231, which is used to position and install the ejecting block 1231 to the mold plate 110.

[0043] In addition, in other embodiments, the ejection assembly 123 further comprises a second guide assembly 1233, the second guide assembly 1233 comprising a second guide column 12331 and a second guide sleeve 12332, and the ejection block 1231 is further provided with a second through hole, the second guide column 12331 extending into the second through hole and being fixed with the ejection block 1231, and the second guide column 12331 is arranged in the same direction as the ejector rod 122, and the second guide assembly 1233 is used to guide the movement direction of the ejection block 1231.

[0044] Specifically, the second guide assembly 1233 is a scaled-down version of the first guide assembly 124, which is adapted to the ejection block 1231 after being scaled down in structure and shape, and the second guide column 12331, the first guide column 1241 and the ejector rod 122 are arranged in the same direction, so that all forces can be applied in one direction, avoiding cancellation and reducing energy loss.

[0045] In use, the straight top ejection mechanism 120 drives the ejector rod 122 through a driving module, which can be a pneumatic cylinder, an oil cylinder, a linear motor or other devices with linear pushing function. During the starting process of the driving module, the slider assembly 130 releases the straight top block 121, and the ejector rod 122 drives the straight top block 121 out under the action of the driving module, and the ejection block 1231 assists the ejector rod 122 to drive the straight top block 121 out under the action of the elastic member 1232, which can effectively separate the workpiece 140 attached to the straight top block 121 from the mold plate 110, and then the workpiece 140 is taken out from the straight top block 121 by a mechanical hand, which can be a suction cup structure or a block structure, even if the workpiece 140 is provided with a reverse buckle, it can also be easily unloaded from the straight top block 121. During the injection molding process of the workpiece 140, the shape of the injection molding is matched with the injection molding space formed by the mold plate 110, the slider assembly 130 and the surface of the straight top block 121, and the cooling pipeline 1211 in the straight top block 121 can effectively cool the workpiece 140, shorten the injection cooling time of the workpiece 140, and the water outlet pipeline 1221 is also provided in the ejector rod 122, and the cooling medium can cool the ejector rod 122 inside the ejector rod 122 to prevent the ejector rod 122 and the straight top block 121 from being stuck.

[0046] In other embodiments, the present application also includes a straight top mold. The straight top mold includes a mold plate, a straight top ejection mechanism 120, and a part taking mechanism; the mold plate includes a mold plate 110 and a movable mold plate. The mold plate 110 is provided with a receiving space 111, the straight top ejection mechanism 120 includes a straight top block 121 and a ejector rod 122, the straight top block 121 is received in the receiving space 111; the straight top block 121 and the mold plate leave a injection space for the workpiece 140; a cooling pipeline 1211 is arranged in the straight top block 121, the cooling pipeline 1211 is used to pass in a cooling medium to cool the workpiece 140; the ejector rod 122 is fixedly connected with the straight top block 121 through the mold plate 110, and the ejector rod 122 is used to eject the straight top block 121 from the receiving space 111.

[0047] Specifically, the mold plate 110 is a rectangular plate structure, the mold plate 110 is provided with a receiving space 111 for receiving the straight top block 121, the shape and size of the receiving space 111 are matched with the shape and size of the straight top block 121, the ejector rod 122 penetrates from the bottom of the mold plate 110 and is fixedly connected with the straight top block 121, in the use process, the straight top block 121 is pushed out along the vertical direction of the mold plate 110 by the ejector rod 122, and the workpiece 140 is separated from the mold plate 110.

[0048] In addition, in other embodiments, the straight top ejection mechanism 120 also includes a pop-up assembly 123, the mold plate 110 is provided with a mounting space 112, the pop-up assembly 123 is received in the mounting space 112, the pop-up assembly 123 is mounted on the mold plate 110, the pop-up assembly 123 abuts against the workpiece 140, and the pop-up assembly 123 is used to assist the straight top block 121 to eject the workpiece 140 from the mold plate 110.

[0049] The pop-up assembly 123 includes a pop-up block 1231, the pop-up block 1231 is an inverted L-shaped structure, and the middle part of the pop-up block 1231 is arc-shaped. The mounting space 112 and the pop-up block 1231 are the same in shape and size, the pop-up block 1231 is fixedly connected with the mold plate 110 through a fixing rod 1234, and an interval is left between the head of the fixing rod 1234 and the pop-up block 1231 for the pop-up of the pop-up block 1231, so that the pop-up block 1231 assists the ejector rod 122 to separate and eject the workpiece 140 from the mold plate 110.

[0050] The straight top mold also includes a sliding block assembly 130, the sliding block assembly 130 is mounted on the mold plate 110, and the sliding block assembly 130 is used to press or loosen the straight top block 121. The straight top block 121 is pressed by the sliding assembly, and an injection space for the workpiece 140 is formed between the straight top block 121 and the mold plate 110, which is used for injection of the workpiece 140. At the same time, the pop-up block 1231 and the straight top block 121 can be extruded, and the pop-up block 1231 can be pressed by the closing of the mold.

[0051] As Figure 9 andFigure 10 As shown, the slider assembly 130 includes a sliding block 131 and a driving unit 132, the sliding block 131 is arranged in the same direction as the straight top block 121, and the sliding block 131 and the straight top block 121 are attached to form an injection molding space of the workpiece 140; the driving unit 132 is used to drive the sliding block 131 to press or release the straight top block 121.

[0052] The template 110 is also provided with a slider assembly 130, which includes a sliding block 131 and a driving unit 132. The sliding block 131 is arranged along the length direction of the template 110 and arranged in the same direction as the straight top block 121. Through the action of the driving unit 132, the sliding block 131 can press or release the straight top block 121. The sliding block 131 is arranged to be about the same size as the straight top block 121, which can completely press the straight top block 121 and avoid the straight top block 121 from shaking, thereby affecting the processing precision of the template 110.

[0053] Specifically, the driving unit 132 can be a pneumatic cylinder, an oil cylinder, and a linear motor. For example, the pneumatic cylinder, the transmission shaft of which is fixedly connected with the sliding block 131, is arranged in the direction perpendicular to the sliding block 131. A T-shaped groove is formed on the sliding block 131, and the transmission shaft is fixedly installed at one end of a clamping block which extends into the T-shaped groove, so as to be fixedly connected with the sliding block 131 and clamped through the T-shaped groove, thereby facilitating the pneumatic cylinder to drive the sliding block 131 to move.

[0054] The slider assembly 130 further includes a sliding rail 133 fixedly connected with the sliding block 131, and the template 110 is provided with a groove 113, and the sliding rail 133 can slide in the groove 113. The sliding rail 133 can slide on the template 110, and the sliding rail 133 can be made of a metal material with a smooth surface treatment. The sliding rail 133 is a strip block structure, and the template 110 is provided with a groove 113 corresponding to the position of the sliding rail 133 for the sliding rail 133 to slide. The sliding rail 133 is fixedly connected with the sliding block 131 by inserting a bolt at both ends of the sliding rail 133. A strip block is fixedly installed on the bottom surface of the sliding rail 133, so as to increase the contact area with the groove 113 and facilitate the sliding rail 133 to slide in the groove 113. Through the sliding of the sliding rail 133, the friction between the sliding block 131 and the groove 113 can be reduced, and the sliding rail 133 can be replaced for easy maintenance.

[0055] In addition, a plurality of sliding plates 134 are installed on the bottom surface of the sliding block 131 in contact with the template 110, and the sliding plates 134 are fixedly connected with the sliding block 131 by bolts, and the heads of the bolts are accommodated in the sliding plates 134 without being exposed. The bottom surface of the sliding plate 134 is in contact with the template 110 and is polished to facilitate the sliding of the sliding block 131.

[0056] The height of the sliding block 131 is higher than the height of the straight top block 121, and a nitrogen spring is installed on the surface of the bottom of the sliding block 131 in contact with the template 110, and the nitrogen spring is installed at the two end positions of the sliding block 131.

[0057] In other embodiments, a limiting block 160 is provided on the template 110 corresponding to the movement path of the sliding block 131, and the limiting block 160 is used to limit the sliding distance of the sliding block 131. The limiting block 160 is fixedly installed on the template 110 at the two end positions corresponding to the sliding block 131, and the limiting block 160 is installed on the template 110 and protrudes outward, and the limiting block 160 is in the form of a strip block structure and is fixedly connected with the template 110 by bolts. One end of the limiting block 160 is provided with a missing corner, which forms an L shape with the bolt mounting hole, facilitating the installation of the bolt and positioning the tightening depth of the bolt.

[0058] In addition, the template 110 is a symmetrical structure, and a plurality of straight top ejection mechanisms 120 and sliding block assemblies 130 are installed on the template 110, and one straight top ejection mechanism 120 and sliding block assembly 130 complete one workpiece 140. The template 110 is a symmetrical structure, and the sliding block assemblies 130 are installed on both sides of the template 110, and a plurality of straight top ejection mechanisms 120 are installed in the middle of the template 110. One sliding block assembly 130 and one straight top ejection mechanism 120 complete the positioning and ejection of one workpiece 140. By installing a plurality of sliding block assemblies 130 and straight top ejection mechanisms 120 on the template 110, a plurality of workpieces 140 can be machined at one time, and the template 110 is a symmetrical structure, so that two relatively matched workpieces 140 can be produced at one time, which can improve the machining efficiency and improve the relevance of the workpieces 140. By machining matched workpieces 140 at one time, the matching is better.

[0059] The straight top die also includes an inclined top mechanism 150, which is in an inclined state relative to the straight top structure, and is used to supplement the ejection of the workpiece 140 by the straight top ejection mechanism 120. The inclined top mechanism 150 includes an inclined top block and an inclined top rod 122, and the inclined top block and the inclined top rod 122 are perpendicular to the intersection surface of the inclined top block and the workpiece 140.

[0060] The inclined ejection mechanism 150 is installed in the straight ejection mold, and is used to supplement the straight ejection mechanism 120. The inclined ejection mechanism 150 is only inclined relative to the straight ejection mechanism 120, and the intersection surface between the inclined ejection block and the workpiece 140 is also perpendicular. The addition of the inclined ejection mechanism 150 can help the overall mold to process some relatively complex workpieces 140. Different requirements, customer requirements for complex workpieces 140, multi-curved surface, concave surface, through the inclined ejection mechanism 150 to support the workpiece 140, and the straight ejection mechanism 120 is used to support the relatively straight surface of the workpiece 140, so that the overall mold can injection mold workpieces 140 of different shapes. In addition, the inclined ejection mechanism 150 is a detachable structure, and by replacing different inclined ejection mechanisms 150, the injection space requirements of different workpieces 140 are matched, and the versatility of the overall mold is improved.

[0061] In addition, the straight ejection mold also includes a workpiece taking mechanism, which is used to take the workpiece 140 from the straight ejection block 121. When the workpiece 140 is provided with an undercut, the workpiece taking mechanism is a rotary workpiece taking mechanism.

[0062] The straight ejection mold also includes a workpiece taking mechanism, which can be a mechanical hand, a mechanical arm, etc. The mechanical hand can be a suction cup type, a claw type, etc. When the required injection molded workpiece 140 is provided with an undercut, a protrusion is arranged at the corresponding position on the straight ejection block 121. The straight ejection block 121 is ejected by the ejector rod 122, the workpiece 140 is ejected by the straight ejection block 121, and then the workpiece is taken by the mechanical hand. The mechanical hand is a rotary workpiece taking mechanism. The mechanical hand sucks the workpiece 140 by the suction cup, separates the workpiece 140 from the straight ejection block 121 in the opposite direction of the undercut, and completes the workpiece taking. The structure of the mechanical hand can adopt the existing structure, and the mechanical hand is set by adding a rotating component for use.

[0063] In other embodiments, a fixed block is installed on the mold plate 110, and the fixed block is used to fix the driving unit 132. The fixed block is on the same plane as the surface of the limiting block 160 relative to the sliding block 131, and the fixed block is also used to cooperate with the limiting block to limit the sliding distance of the sliding block 131. The fixed block is a rectangular block structure, which is installed on the side of the sliding block 131 away from the straight ejection block 121. The surface of the fixed block relative to the sliding block 131 is flat with the limiting block 160, and can cooperate with the limiting block 160 to limit the sliding block 131.

[0064] The above disclosure is only the preferred embodiment of the present application, and of course cannot limit the scope of the rights of the present application, so the equivalent changes made according to the claims of the present application still fall within the scope of the present application.

Claims

1. A straight lift ejection mechanism characterized by: The straight-ejecting mechanism comprises a straight-ejecting block, a ejecting rod, a driving module and a ejecting assembly; the straight-ejecting block and the mold plate leave a injection space for the workpiece; a cooling pipeline is arranged in the straight-ejecting block; a water outlet is arranged on the straight-ejecting block and connected with the cooling pipeline; the cooling pipeline is used for passing cooling medium; the driving module is used for driving the ejecting rod to eject the workpiece; the ejecting assembly abuts against the workpiece and is used for assisting the straight-ejecting block to eject the workpiece; The ejecting assembly comprises an ejecting block and an elastic member; the ejecting block abuts against the workpiece; the elastic member is arranged on the side of the ejecting block away from the workpiece; when the workpiece is being injected, the elastic member is in a compressed state. The straight-ejecting mechanism further comprises a sliding block assembly; the sliding block assembly is arranged on the mold plate; the sliding block assembly is used for pressing or releasing the straight-ejecting block; the straight-ejecting block is pressed by the sliding block assembly; the injection space for the workpiece is formed between the straight-ejecting block and the mold plate; the ejecting block and the straight-ejecting block can also be pressed; in the clamping state, the elastic member is in a compressed state; the straight-ejecting block and the ejecting block are limited by the clamping and the sliding block assembly; after the injection is completed, the sliding block assembly and the clamping release the straight-ejecting block and the ejecting block; the ejecting block and the straight-ejecting block cooperate to upwardly eject the workpiece. The sliding block assembly further comprises a sliding rail and a sliding block; the sliding rail is fixedly connected with the sliding block; the mold plate is provided with a groove; the sliding rail can slide in the groove; the sliding rail can slide on the mold plate. The straight-ejecting mechanism further comprises a first guide assembly; the first guide assembly is coaxial with the ejecting rod; the first guide assembly is used for guiding the movement of the straight-ejecting block.

2. The straight lift ejection mechanism of claim 1, wherein: The ejecting rod is provided with a water outlet pipeline; the water outlet pipeline is communicated with the cooling pipeline; the outlet of the water outlet pipeline is arranged on the ejecting rod; the cooling medium flows out of the cooling pipeline into the water outlet pipeline to cool the ejecting rod.

3. The straight lift ejection mechanism of claim 1, wherein: The ejecting block is provided with a first through hole; a fixed rod is inserted into the first through hole to be fixed with the mold plate; the elastic member is arranged between the ejecting block and the mold plate; a gap is left between the head of the fixed rod and the ejecting block; the elastic member is used for ejecting the ejecting block to the head of the fixed rod; the head of the fixed rod is used for limiting the ejection distance of the ejecting block.

4. The straight lift ejection mechanism of claim 1, wherein: The first guide assembly comprises a first guide column and a first guide sleeve; the first guide column is fixedly connected with the straight-ejecting block; the first guide sleeve is arranged in the mold plate; the first guide column reciprocates in the first guide sleeve.

5. The straight lift ejection mechanism of claim 4, wherein: The first guide assembly further comprises a gasket; the gasket is sleeved between the first guide sleeve and the mold plate; the gasket is used for buffering and damping the vibration generated by the movement of the first guide column in the first guide sleeve.

6. The straight lift ejection mechanism of claim 4, wherein: The straight top ejection mechanism further comprises a limiting assembly for fixing and limiting the ejector rod and the first guide column relative to the straight top block, the limiting assembly comprising a fixing plate and a limiting piece, the fixing plate being fixedly connected with the straight top block, the fixing plate being provided with a limiting hole, and the limiting piece being inserted into the ejector rod and the first guide column through the limiting hole.

7. The straight lift ejection mechanism of claim 6, wherein: The limiting piece is a pin.

8. A straight lift ejection mechanism as claimed in any one of claims 1 to 7, wherein: The ejecting assembly further comprises a second guide assembly, the second guide assembly comprising a second guide column and a second guide sleeve, the ejecting block being further provided with a second through hole, the second guide column being inserted into the second through hole and fixed with the ejecting block, the second guide column being arranged in the same direction as the ejector rod, and the second guide assembly being used for guiding the movement direction of the ejecting block.

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