Injection molding machine

Abstract

The utility model discloses an injection molding machine which comprises a machine body, an injection structure, a discharging tank and a safety door. A sliding rail is arranged on the machine body, a sliding groove is formed in the sliding rail, a sliding block in sliding fit with the sliding rail is arranged on the safety door, a first damping block is fixedly arranged on the sliding block, and the first damping block is located in the sliding groove and does not make contact with the sliding rail; wherein the first damping block is an isosceles trapezoid block, the small parallel end face of the first damping block faces the discharging tank, the large parallel end face of the first damping block is opposite to the discharging tank, a damping piece is arranged at the end, close to the discharging tank, of the sliding groove, and when the safety door is about to be closed, friction force generated by the damping piece to the first damping block can be gradually increased, so that the safety door is protected; by arranging the first damping block and the damping piece which are hidden in the sliding rail, the safety door is decelerated, meanwhile, the internal space of the safety door is prevented from being occupied, and the first damping block and the damping piece are prevented from being damaged by external force; and unlocking can be achieved by holding the door handle with one hand and pressing the button by pressing the unlocking device, and the installation door is pulled to slide easily and conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding machine technical field especially relates to an injection molding machine. BACKGROUND

[0002] Injection molding machine is also called injection molding machine or injection machine, it is the main molding equipment of thermoplastic or thermosetting plastic and is made into various shapes of plastic products by plastic molding die, divided into vertical, horizontal, all-electric, injection molding machine can heat plastic, melt plastic and make it fill the mold cavity.

[0003] For example, the utility model discloses a kind of injection molding machines with publication No. CN222245841U, which blocks the raw materials in the internal filter pot by setting, and the feeding scraper is driven to rotate by motor, so that the feeding scraper is attached to the inner wall of the internal filter pot to push out the wet and hard block of raw materials, so that the raw materials are more loose and delicate, and the feeding scraper is inserted and installed with rotating shaft, after the raw materials leak out of the internal filter pot, further scattering is carried out by stirring rod, and the heating pad attached and installed in the internal filter pot can heat it, further reduce the humidity of raw materials, the control gear drives the rotating disc to rotate by setting, and the filter screen in the rotating disc is located in the limit tube and attached to the bottom end of the discharge pipe, which can effectively prevent the discharge pipe from being blocked during the discharging process, to meet the stable feeding demand, but such structure still has the following significant defects:

[0004] 1. The damping device of the safety door is composed of a special-shaped spring sheet clamping a nylon cylinder. This device is exposed externally, not only occupying the space of the safety door, but also being easily damaged by external force.

[0005] 2. When opening and closing the safety door, both hands are generally needed to operate, one hand holding the handle on the safety door, and the other hand unlocking or locking. Workers usually have tools in their hands, making it difficult to open and close the safety door. SUMMARY

[0006] The present utility model aims to solve one of the technical problems existing in the prior art.

[0007] The present application provides an injection molding machine, which comprises a machine body, an injection structure, a hopper and a safety door. The machine body is provided with a sliding rail, and a sliding groove is arranged on the sliding rail. A sliding block that slides with the sliding rail is arranged on the safety door, and a first damping block is fixedly arranged on the sliding block. The first damping block is located in the sliding groove and does not contact the sliding rail.

[0008] The first damping block is an isosceles trapezoidal block, with the smaller parallel end face facing the hopper and the larger parallel end face facing away from the hopper. A damping member is arranged at the end of the sliding groove close to the hopper. When the safety door is about to be closed, the friction force generated by the damping member on the first damping block will gradually increase, thereby protecting the safety door.

[0009] Further, the damping member comprises the second damping block and damping springs, the slide groove is provided with symmetric mounting grooves near one end of the discharging tank, the second damping blocks are slidably mounted in the mounting grooves, and the damping springs are fixedly installed at both ends of the mounting groove wall and the second damping blocks correspondingly.

[0010] The second damping block partially extends out of the corresponding mounting groove.

[0011] Further, the second damping block is a right-angled trapezoidal block, and the side inclined waist of the second damping block extends out of the corresponding mounting groove and can be attached to the side inclined waist of the first damping block.

[0012] Further, the side inclined waist of the second damping block and the side inclined waist of the first damping block are provided with friction lines.

[0013] Further, the second damping block and the first damping block are made of wear-resistant steel material.

[0014] Further, the machine body is provided with a clamping groove, the safety door is provided with a clamping groove, a clamping buckle is hingedly connected in the clamping groove, the clamping buckle is close to the one end of the discharging tank and can be clamped and fixed with the clamping groove, the safety door is provided with a door handle, the door handle is provided with a pressing unlocking device, the pressing unlocking device can push the clamping buckle away from the one end of the discharging tank, so that the clamping buckle is separated from the clamping groove.

[0015] Further, the pressing unlocking device comprises a button, a pressing block and a return spring, the door handle is provided with a pressing groove in communication with the clamping groove, the button is floatingly installed in the pressing groove, one end of the button extends out of the door handle, the other end of the button is fixedly provided with the pressing block, and the end of the pressing block away from the button abuts against the one end of the clamping buckle away from the discharging tank.

[0016] The one end of the return spring abuts against the one end of the clamping buckle away from the discharging tank, and the other end of the return spring abuts against the groove wall of the clamping groove.

[0017] Further, the clamping buckle is provided with a hinge groove at the middle position for hinging.

[0018] The beneficial effects of the utility model are as follows:

[0019] 1. The first damping block and the damping member are arranged, so that the safety door is slowed down gently when being almost completely closed, the first damping block and the damping member are hidden in the slide rail, the internal space of the safety door is not occupied, and the first damping block and the damping member are not damaged by external force.

[0020] 2. The pressing unlocking device is arranged, the operator holds the door handle with one hand and presses the button, so that the upper end of the clamping buckle is separated from the clamping groove, the installation door is pulled to slide, and the operation is simple and convenient. DRAWINGS

[0021] Figure 1It is a structural schematic diagram of an injection molding machine in the embodiment of the present application.

[0022] Figure 2 It is a structural schematic diagram of a safety door, a slide rail, a slide groove and a slide block in the embodiment of the present application.

[0023] Figure 3 It is a structural schematic diagram of a press unlocking device, a buckle and a buckle slot in the embodiment of the present application. Figure 2 It is a structural schematic diagram of a press unlocking device, a buckle and a buckle slot in the embodiment of the present application.

[0024] Figure 4 It is a structural schematic diagram of a press unlocking device, a buckle and a buckle slot in the embodiment of the present application.

[0025] Reference signs

[0026] 1-machine body, 11-slide rail, 12-slide groove, 2-injection assembly, 3-feeding tank, 4-safety door, 41-slide block, 42-first damping block, 43-damping member, 431-second damping block, 432-damping spring, 433-mounting slot, 51-buckle slot, 52-buckle slot, 53-buckle, 54-door handle, 55-press unlocking device, 551-button, 552-pressing block, 553-return spring, 554-pressing slot. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be described clearly in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.

[0028] The terms “first”, “second”, and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described herein, and the objects distinguished by “first”, “second”, etc. are generally a category and do not limit the number of objects, for example, the first object can be one or more. In addition, “and / or” in the specification and claims means at least one of the connected objects, and the character “ / ” generally represents an “or” relationship between the front and rear associated objects.

[0029] The injection molding machine provided in the embodiments of the present application will be described in detail in combination with the drawings and specific embodiments and application scenarios.

[0030] Embodiment 1:

[0031] As Figures 1 to 3As shown, the embodiment of the present application provides an injection molding machine, which comprises a machine body 1, an injection structure 2, a feeding tank 3 and a safety door 4; the machine body 1 is provided with a sliding rail 11, the sliding rail 11 is provided with a sliding groove 12, the safety door 4 is provided with a sliding block 41 which is in sliding cooperation with the sliding rail 11, the sliding block 41 is fixedly provided with a first damping block 42, the first damping block 42 is located in the sliding groove 12 and does not contact the sliding rail 11; wherein the first damping block 42 is an isosceles trapezoidal block, and the smaller parallel end face thereof faces the feeding tank 3, and the larger parallel end face thereof faces away from the feeding tank 3, and the end of the sliding groove 12 close to the feeding tank 3 is provided with a damping member 43, when the safety door 4 is about to be closed, the friction force generated by the damping member 43 on the first damping block 42 will gradually increase, so as to protect the safety door 4.

[0032] Further, the damping member 43 comprises a second damping block 431 and a damping spring 432, the end of the sliding groove 12 close to the feeding tank 3 is provided with a symmetrically arranged mounting groove 433, the second damping block 431 is slidingly installed in the mounting groove 433, and the damping spring 432 is fixedly installed on the mounting groove 433 and corresponds to the second damping block 431; wherein the second damping block 431 partially extends out of the mounting groove 433.

[0033] Further, the second damping block 431 is a right-angle trapezoidal block, and the side inclined waist thereof extends out of the corresponding mounting groove 433 and can be attached to the side inclined waist of the first damping block 42.

[0034] Further, the side inclined waist of the second damping block 431 and the side inclined waist of the first damping block 42 are provided with friction lines.

[0035] Further, the second damping block 431 and the first damping block 42 are both made of wear-resistant steel material.

[0036] In the embodiment of the present application, due to the adoption of the above structure, the machine body 1 is provided with the injection structure 2, the mold closing structure and the feeding tank 3, when the injection molding machine works, the material flows from the feeding tank 3 into the injection structure 2, then the mold closing structure is closed, the injection structure 2 injects the material into the mold cavity of the mold closing structure under high pressure, after being filled, the injection structure 2 keeps the pressure to supplement the material, and at the same time, the cooling liquid is introduced to cool and solidify the material, when the material solidifies, the mold closing structure is opened, and the ejector pin on the mold closing structure will eject the material, so as to complete one injection molding;

[0037] The machine body 1 is provided with the sliding rail 11, the sliding rail 11 is provided with the sliding groove 12, the safety door 4 is provided with the sliding block 41 which is in sliding cooperation with the sliding rail 11, by pulling the door handle 54, the safety door 4 can slide along the sliding rail 11, so as to open or close the safety door 4;

[0038] The sliding block 41 is welded with the first damping block 42;

[0039] The groove wall of the installation groove 433 is provided with a groove hole, and the two ends of the damping spring 432 are respectively embedded into the corresponding groove holes;

[0040] When the safety door 4 slides to the position of the second damping block 431, the side inclined waists of the pair of second damping blocks 431 respectively abut the side inclined waists on both sides of the first damping block 42. At this time, as the safety door 4 continues to slide downward in the direction of the hopper 3, under the pressing of the elastic force of the damping spring 432, the first damping block 42 will be in contact with the pair of second damping blocks 431 more and more tightly. Since the side inclined waists of the second damping block 431 and the side inclined waists of the first damping block 42 are provided with friction lines, when the two are in contact more and more tightly, the friction force generated will gradually increase, thereby causing the safety door 4 to slow down more gently when it is about to be completely closed, so as to reduce the damage to the safety door 4 and prolong its service life.

[0041] The first damping block 42 and the damping piece 43 are hidden in the sliding rail 11, so as not to occupy the internal space of the safety door 4 and not to be easily damaged by external force.

[0042] The first damping block 42 and the second damping block 431 are both made of wear-resistant steel material, which has the characteristic of strong wear resistance, thereby improving the service life of the first damping block 42 and the second damping block 431.

[0043] Embodiment 2:

[0044] As shown in the drawings, Figure 1 As shown in the drawings, Figure 4 In this embodiment, in addition to the structural features of the foregoing embodiments, the fuselage 1 is provided with a clamping groove 51, the safety door 4 is provided with a clasp groove 52, the clasp groove 52 is hingedly connected with a clasp 53, the clasp 53 close to one end of the hopper 3 can be clamped and fixed with the clamping groove 51, the safety door 4 is provided with a door handle 54, the door handle 54 is provided with a pressing unlocking device 55, the pressing unlocking device 55 can push the clasp 53 away from one end of the hopper 3, so that the clasp 53 is separated from the clamping groove 51.

[0045] Further, the pressing unlocking device 55 includes a button 551, a pressing block 552 and a reset spring 553, the door handle 54 is provided with a pressing groove 554 in communication with the clasp groove 52, the pressing groove 554 is floatingly installed with the button 551, one end of the button 551 extends out of the door handle 54, the other end is fixedly provided with the pressing block 552, and the end of the pressing block 552 away from the button 551 abuts against one end of the clasp 53 away from the hopper 3; wherein one end of the reset spring 553 abuts against one end of the clasp 53 away from the hopper 3, and the other end abuts against the groove wall of the clasp groove 52.

[0046] Further, the clasp 53 is provided with a hinge groove at the middle position for hinging.

[0047] In the embodiment of the present application, due to the adoption of the above structure, the door handle 54 is welded on the safety door 4, the button 551 is floatingly installed at the slot opening of the pressing slot 554 by the spring, when the operator needs to open the safety door 4, the operator can hold the door handle 54 by one hand, and press the button 551 with the thumb, at this time, the button 551 and the pressing block 552 will slide to the direction of the buckle 53, since the buckle 53 is hinged at the middle position in the buckle slot 52, the end of the pressing block 552 away from the button 551 abuts against the end of the buckle 53 away from the hopper 3, thus the pressing block 552 can push the buckle 53 to rotate, and make the end of the buckle 53 close to the hopper 3 to be disengaged from the buckle slot 52, that is, to be unlocked, the operator can pull the safety door 4 to slide;

[0048] When the external force applied on the button 551 is released, the button 551 and the pressing block 552 are reset under the action of the spring, and the buckle 53 is reset under the action of the reset spring 553.

[0049] It should be noted that in this document, the terms "comprise", "comprising", or any other variant thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that includes the element. In addition, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing functions in the order shown or discussed, but can also include performing functions in a substantially simultaneous manner or in reverse order, for example, the described method can be performed in an order different from that described, and various steps can be added, omitted, or combined. In addition, features described with reference to certain examples can be combined in other examples.

[0050] The embodiments of the present application are described above in combination with the drawings, but the present application is not limited to the above specific embodiments, the above specific embodiments are only illustrative, but not restrictive, and those skilled in the art can make many forms under the inspiration of the present application without departing from the scope of the present application and the scope protected by the claims.

Claims

1. An injection molding machine, comprising a machine body, an injection structure, a feed tank, and a safety door, characterized in that, The machine body is equipped with a slide rail, the slide rail is equipped with a slide groove, the safety door is equipped with a slider that slides with the slide rail, and a first damping block is fixed on the slider. The first damping block is located in the slide groove and does not contact the slide rail. Among them, the No. 1 damping block is an isosceles trapezoidal block, with its smaller parallel end face facing the feed tank and its larger parallel end face facing away from the feed tank. The slide is equipped with a damping element at the end near the feed tank. When the safety door is about to close, the friction force generated by the damping element on the No. 1 damping block will gradually increase, thereby protecting the safety door.

2. The injection molding machine according to claim 1, characterized in that, The damping components include a second damping block and a damping spring. The chute has a symmetrical mounting groove at one end near the feed tank. The second damping block is slidably installed in each mounting groove. The two ends of the damping spring are fixedly installed on the groove wall and the corresponding second damping block, respectively. Among them, the second damping block extends out of the corresponding mounting slot.

3. The injection molding machine according to claim 2, characterized in that, The second damping block is a right-angled trapezoidal block, with its side waist extending out of the corresponding mounting groove and fitting into the side waist of the first damping block.

4. An injection molding machine according to claim 2, characterized in that, Friction grooves are provided on the side slope of the No. 2 damping block and the side slope of the No. 1 damping block.

5. An injection molding machine according to claim 2, characterized in that, Both the No. 2 damping block and the No. 1 damping block are made of wear-resistant steel.

6. An injection molding machine according to claim 1, characterized in that... The machine body is equipped with a slot, and the safety door is equipped with a buckle slot. A buckle is hinged in the buckle slot. The end of the buckle near the feed tank can be engaged and fixed with the slot. The safety door is equipped with a door handle, and the door handle is equipped with a press-to-unlock device. The press-to-unlock device can push the buckle away from the end of the feed tank, so that the buckle is separated from the slot.

7. An injection molding machine according to claim 6, characterized in that, The press-to-unlock device includes a button, a pressing block and a return spring. The door handle is provided with a pressing groove that communicates with the latch groove. The button is floatingly installed in the pressing groove. One end of the button extends out of the door handle and the other end is fixed with a pressing block. The end of the pressing block facing away from the button abuts against the end of the latch away from the feed tank. One end of the reset spring is pressed and fixed at the end of the buckle away from the feed tank, and the other end is pressed and fixed at the wall of the buckle groove.

8. An injection molding machine according to claim 7, characterized in that, The buckle has a hinge groove in the middle for hinged connection.

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