Adjustable exhaust emission device for injection molding machine

Abstract

The utility model belongs to the technical field of exhaust emission devices, and particularly relates to an adjustable exhaust emission device of an injection molding machine, which comprises a frame, a lower die is fixedly mounted at the bottom of the inner side of the frame, the upper end of the lower die is in contact with an upper die, and a cylinder is fixedly mounted in the middle of the upper end of the frame. An air cylinder rod of the air cylinder penetrates through the frame and is in sliding connection with the frame, a hanging plate is fixedly installed on the outer side of the middle of the air cylinder rod, the tail end of the air cylinder rod is fixedly connected with the upper die, and a suction pump is fixedly installed at the upper end of the frame and located on the left side of the air cylinder. According to the utility model, the suction pump is used for suction, the corrugated cover is used for sealing the mold, when the mold is opened, waste gas particles can be completely exhausted through the suction pump, the injury to the human body when a product is taken out is avoided, and the suction pump is used for sucking air around the clamping block mold to circulate, so that the cooling speed of the product can be accelerated, and the processing efficiency of the mold is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas emission devices, in particular to an adjustable waste gas emission device for an injection molding machine. Background Art

[0002] The utility model patent with the announcement number CN205086313U discloses an injection molding machine exhaust gas discharge device, including a movable bracket and a fixed bracket, the fixed bracket is provided with a left mold, the movable bracket is provided with a right mold forming a mold cavity with the left mold, the movable bracket is provided with an injection gun for injecting molten plastic into the mold cavity, an injection device for providing molten plastic to the injection gun, and a motor for controlling the start of the injection gun, the top of the fixed bracket is provided with a collection hood extending above the mold cavity, the top of the collection hood is provided with a fan, and the fan is connected to an exhaust pipe; the injection molding machine exhaust gas discharge device is provided with a collection hood, an exhaust fan and an exhaust pipe above the injection molding machine mold, and when the injection molding machine is opened, the particulate smoke near the mold can be quickly absorbed, reducing air pollution and avoiding the harm of particulate smoke to the human body. However, when the device is sucking the exhaust gas, some of the exhaust gas will overflow from the periphery of the mold, and the suction is not complete. At the same time, the device has the same exhaust gas suction efficiency and cannot adjust the suction efficiency according to the use requirements. Therefore, improvement is needed. Utility Model Content

[0003] The utility model aims to provide an adjustable waste gas discharge device for an injection molding machine, which solves the problem that when the waste gas is sucked, part of the waste gas will overflow from the periphery of the mold, and the suction is not complete. At the same time, the device has a consistent waste gas suction efficiency and cannot adjust the suction efficiency according to usage requirements.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable waste gas emission device for an injection molding machine, comprising a frame, a lower mold is fixedly installed on the inner bottom of the frame, the upper end of the lower mold contacts the upper mold, a cylinder is fixedly installed on the middle part of the upper end of the frame, the cylinder rod of the cylinder passes through the frame and is slidably connected to the frame, a hanging plate is fixedly installed on the outer side of the middle part of the cylinder rod, the end of the cylinder rod is fixedly connected to the upper mold, a suction pump is fixedly installed on the upper end of the frame and on the left side of the cylinder, the suction end of the suction pump passes through the frame and is fixedly connected to the frame, an adjusting mechanism is arranged on the inner top of the frame, a hose is arranged on the adjusting mechanism, the hose is fixedly connected to the hanging plate, a bellows is bonded to the lower end of the hanging plate, a counterweight ring is bonded to the lower end of the bellows, a spring is welded to the lower end of the hanging plate, and a bevel is fixedly connected to the side of the spring close to the bellows.

[0005] Preferably, a guide pin is welded to the lower edge of the upper die, and the guide pin is slidably connected to the lower die. The guide pin is provided to guide the movement of the upper die.

[0006] Preferably, the counterweight ring is in contact with the frame, and a plurality of air inlet grooves distributed in a circular array are provided at the lower end of the counterweight ring. The air inlet grooves are provided so that air can enter the bellows.

[0007] Preferably, the adjustment mechanism includes a support tube, the support tube is fixedly connected to the frame, the support tube is fixedly connected to the hose, a support plate is fixedly installed on the inner upper part of the support tube, a guide rod is welded to the lower end of the support plate, a plug is slidably connected to the outer side of the guide rod, the plug is slidably connected to the hose, a spring is arranged on the outer side of the guide rod, a sliding pin is fixedly connected to the upper circumferential surface of the plug, a slide groove is provided in the cylinder wall of the support tube, the slide groove and the sliding pin are slidably connected, a screw ring is threadedly connected to the outer side of the support tube, a bump is fixedly connected to the upper end of the sliding pin, and the bump is in contact with the screw ring. By rotating the screw ring and the support tube to make a threaded movement, the sliding pin can drive the plug to move downward, thereby adjusting the gap between the plug and the hose, thereby changing the suction speed in the bellows, thereby allowing the device to adjust the exhaust gas discharge efficiency according to the use requirements and reduce energy consumption.

[0008] Preferably, one end of the spring is fixedly connected to the support plate, and the other end of the spring is fixedly connected to the plug. By providing the spring, the plug is easy to reset.

[0009] Preferably, a stopper sleeve is fixedly sleeved on the outer side of the middle part of the sliding pin, and the stopper sleeve is slidably connected to the support tube. The slide groove is closed by providing the stopper sleeve.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] 1. The utility model uses a suction pump to draw suction and a bellows to seal the mold. When the mold is opened, all the waste gas particles can be sucked out through the suction pump to avoid harm to the human body when taking out the product. The suction pump draws air around the clamping block mold, which can speed up the cooling speed of the product and improve the processing efficiency of the mold.

[0012] 2. The utility model can make the sliding pin drive the plug to move downward by rotating the screw ring and the support tube to make a threaded movement, thereby adjusting the gap between the plug and the hose, thereby changing the suction speed in the bellows, and thus allowing the device to adjust the exhaust gas discharge efficiency according to usage requirements and reduce energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0014] Figure 2 For this utility model Figure 1A partial cross-sectional view of

[0015] Figure 3 For this utility model Figure 1 A magnified image of point A;

[0016] Figure 4 For this utility model Figure 2 Schematic diagram of the adjustment mechanism.

[0017] In the figure: 1. frame; 2. lower die; 3. upper die; 4. guide pin; 5. cylinder; 6. hanging plate; 7. suction pump; 8. adjustment mechanism; 9. hose; 10. bellows; 11. counterweight ring; 12. spring; 13. inclined block; 81. support tube; 82. support plate; 83. guide rod; 84. plug; 85. spring; 86. sliding pin; 87. slide groove; 88. screw ring; 89. bump; 810. stopper sleeve. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-Figure 3 , an adjustable waste gas emission device for an injection molding machine, comprising a frame 1, a lower mold 2 is fixedly installed on the inner bottom of the frame 1, the upper end of the lower mold 2 contacts the upper mold 3, a guide pin 4 is welded on the lower edge of the upper mold 3, the guide pin 4 is slidably connected to the lower mold 2, and the movement of the upper mold 3 is guided by setting the guide pin 4, a cylinder 5 is fixedly installed on the middle part of the upper end of the frame 1, the cylinder rod of the cylinder 5 passes through the frame 1 and is slidably connected to the frame 1, a hanging plate 6 is fixedly installed on the outer middle part of the cylinder rod, the end of the cylinder rod is fixedly connected to the upper mold 3, a suction pump 7 is fixedly installed on the upper end of the frame 1 and on the left side of the cylinder 5, and the suction pump 7 is fixedly installed on the upper end of the frame 1. The suction end of the suction pump 7 passes through the frame 1 and is fixedly connected to the frame 1. An adjusting mechanism 8 is provided on the inner top of the frame 1. A hose 9 is provided on the adjusting mechanism 8. The hose 9 is fixedly connected to the hanging plate 6. A bellows 10 is bonded to the lower end of the hanging plate 6. A counterweight ring 11 is bonded to the lower end of the bellows 10. The counterweight ring 11 is in contact with the frame 1. A plurality of air intake grooves distributed in a circular array are provided at the lower end of the counterweight ring 11. By providing the air intake grooves, air can enter the bellows 10. A spring piece 12 is welded to the lower end of the hanging plate 6. A bevel block 13 is fixedly connected to the side of the spring piece 12 close to the bellows 10.

[0020] See also Figure 1 , Figure 4The adjusting mechanism 8 includes a supporting tube 81, which is fixedly connected to the frame 1, and is fixedly connected to the hose 9. A supporting plate 82 is fixedly installed on the inner upper part of the supporting tube 81, and a guide rod 83 is welded to the lower end of the supporting plate 82. A plug 84 is slidably connected to the outer side of the guide rod 83, and the plug 84 is slidably connected to the hose 9. A spring 85 is arranged on the outer side of the guide rod 83, and one end of the spring 85 is fixedly connected to the supporting plate 82, and the other end of the spring 85 is fixedly connected to the plug 84. By arranging the spring 85, the plug 84 is easy to reset, and a sliding pin 86 is fixedly connected to the upper part of the circumferential surface of the plug 84. A sliding groove 87 is opened in the wall of the supporting tube 81, and the sliding groove 87 It is slidably connected to the sliding pin 86, and the outer side of the support tube 81 is connected with a screw ring 88 by a thread. The upper end of the sliding pin 86 is fixedly connected with a protrusion 89, and the protrusion 89 is in contact with the screw ring 88. The middle outer side of the sliding pin 86 is fixedly sleeved with a stopper sleeve 810, and the stopper sleeve 810 and the support tube 81 are slidably connected. By setting the stopper sleeve 810, the slide groove 87 is closed, and by rotating the screw ring 88 and the support tube 81 to make a threaded movement, the sliding pin 86 can drive the plug 84 to move downward, thereby adjusting the gap between the plug 84 and the hose 9, thereby changing the suction speed in the corrugated cover 10, and the device can adjust the exhaust gas discharge efficiency according to the use requirements to reduce energy consumption.

[0021] The specific implementation process of the utility model is as follows: when in use, the cylinder 5 is started, and the cylinder 5 drives the cylinder rod to extend, thereby making the upper mold 3 move down and close the lower mold 2. At this time, the cylinder rod drives the hanging plate 6 to move down, so that the counterweight ring 11 at the lower end of the corrugated cover 10 contacts the frame 1, and then the counterweight ring 11 is moved up, so that the counterweight ring 11 contacts the inclined block 13, and slides over the inclined block 13 and is limited by the inclined block 13, and then injection is performed through the injection hole on the upper mold 3, and then the spring piece 12 is moved to make the inclined block 13 and the counterweight ring 11 disengage, and the counterweight ring 11 moves down and contacts the frame 1 under the action of gravity, and then the screw ring 88 is manually rotated according to the use requirements, and the screw ring 88 rotates and makes a threaded motion with the support tube 81. Under the pulling force of the spring 85, the plug 84 moves up and disengages from the hose 9, thereby adjusting the gap between the plug 84 and the hose 9, so that The suction speed in the bellows 10 changes, so that the device can adjust the exhaust gas discharge efficiency according to the use requirements, reduce energy consumption, and then start the suction pump 7. The suction pump 7 suctions so that the airflow enters the bellows 10 through the air inlet groove on the counterweight ring 11, and cools the upper mold 3 and the lower mold 2. At the same time, after the product is formed, the cylinder 5 is started to drive the upper mold 3 to separate from the lower mold 2, so that the mold is separated and opened. The suction of the suction pump 7 will cause the exhaust gas particles generated by the mold opening to be sucked out, and the mold is closed by the bellows 10. When the mold is opened, the exhaust gas particles can be completely sucked out through the suction pump 7 to avoid harm to the human body when taking out the product. The suction pump 7 sucks the air around the clamping block mold, which can speed up the cooling speed of the product and improve the processing efficiency of the mold.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable exhaust gas discharge device for an injection molding machine, comprising a frame (1), characterized in that: A lower mold (2) is fixedly installed on the inner bottom of the frame (1), and the upper end of the lower mold (2) contacts the upper mold (3). A cylinder (5) is fixedly installed in the middle of the upper end of the frame (1). The cylinder rod of the cylinder (5) penetrates the frame (1) and is slidably connected to the frame (1). A hanging plate (6) is fixedly installed on the outer side of the middle part of the cylinder rod. The end of the cylinder rod is fixedly connected to the upper mold (3). A suction pump (7) is fixedly installed on the upper end of the frame (1) and on the left side of the cylinder (5). The suction pump (7) extracts The suction end passes through the frame (1) and is fixedly connected to the frame (1); an adjustment mechanism (8) is provided at the inner top of the frame (1); a hose (9) is provided on the adjustment mechanism (8); the hose (9) is fixedly connected to the hanging plate (6); a bellows (10) is bonded to the lower end of the hanging plate (6); a counterweight ring (11) is bonded to the lower end of the bellows (10); a spring sheet (12) is welded to the lower end of the hanging plate (6); a side of the spring sheet (12) close to the bellows (10) is fixedly connected to an inclined block (13).

2. The adjustable exhaust gas discharge device for an injection molding machine according to claim 1, characterized in that: A guide pin (4) is welded to the lower edge of the upper die (3), and the guide pin (4) is slidably connected to the lower die (2).

3. The adjustable exhaust gas discharge device for an injection molding machine according to claim 1, characterized in that: The counterweight ring (11) is in contact with the frame (1), and a plurality of air inlet grooves distributed in a ring array are provided at the lower end of the counterweight ring (11).

4. The adjustable exhaust gas discharge device for an injection molding machine according to claim 1, characterized in that: The adjusting mechanism (8) comprises a supporting tube (81), wherein the supporting tube (81) is fixedly connected to the frame (1), the supporting tube (81) is fixedly connected to the hose (9), a supporting plate (82) is fixedly mounted on the inner upper part of the supporting tube (81), a guide rod (83) is welded to the lower end of the supporting plate (82), a plug (84) is slidably connected to the outer side of the guide rod (83), the plug (84) is slidably connected to the hose (9), and the guide rod (83) is welded to the lower end of the supporting plate (82). A spring (85) is arranged on the outer side of the rod (83); a sliding pin (86) is fixedly connected to the upper part of the circumferential surface of the plug (84); a sliding groove (87) is provided in the wall of the support tube (81); the sliding groove (87) and the sliding pin (86) are slidably connected; a screw ring (88) is threadedly connected to the outer side of the support tube (81); a protrusion (89) is fixedly connected to the upper end of the sliding pin (86); the protrusion (89) and the screw ring (88) are in contact.

5. The adjustable exhaust gas discharge device for an injection molding machine according to claim 4, characterized in that: One end of the spring (85) is fixedly connected to the support plate (82), and the other end of the spring (85) is fixedly connected to the plug (84).

6. The adjustable exhaust gas discharge device for an injection molding machine according to claim 4, characterized in that: A stopper sleeve (810) is fixedly sleeved on the outer side of the middle portion of the sliding pin (86), and the stopper sleeve (810) is slidably connected to the support tube (81).

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