Injection mold replacing device

Abstract

The injection mold replacing device comprises a support, a top plate is fixedly connected to the top of the support, an injection hydraulic press is arranged at the top of the top plate, a connecting plate is arranged in the support, the output end of the injection hydraulic press penetrates through the top of the connecting plate, and the end, arranged at the bottom of the connecting plate, of the injection hydraulic press is fixedly connected with a fixing shell; one side of the bottom of the connecting plate is fixedly connected with a feeding port, the feeding port is communicated with the fixing shell, the two ends of the fixing shell are provided with pressed fixing structures, an upper mold is movably clamped in the fixing shell, and the pressed fixing structures can be pressed to clamp the two ends of the upper mold; a base is arranged between the bottoms of the supports, one end of the base is hollow, and a jacking hydraulic press is arranged in the base. The technical problems that a traditional mold replacement mode depends on manpower, time and labor are wasted, the mold is prone to being damaged, manual position adjustment consumes time, and meanwhile potential safety hazards such as clamping injury, crashing injury and slipping exist in operation are solved.

Description

Technical Field

[0001] The invention mainly relates to the technical field of mold replacement, and in particular to an injection mold replacement device. Background Art

[0002] In the injection molding industry, mold replacement is a crucial link, which directly affects production efficiency and product quality. Traditional mold replacement methods mostly rely on manual handling and manual adjustment, which is not only time-consuming and labor-intensive, but also has certain safety hazards. Traditional mold replacement methods require manual handling of molds, which is time-consuming and labor-intensive. In addition, manual adjustment of mold positions also takes a lot of time, further reducing production efficiency. Secondly, during the mold replacement process, operators need to frequently contact molds and mechanical equipment, and there is a risk of being pinched or smashed. At the same time, due to the heavy weight of the mold, it is also easy to slip during handling, posing a threat to the safety of operators. Summary of the invention

[0003] The technical solution of the present invention aims at the technical problem that the existing technical solutions are too single, and provides a solution that is significantly different from the existing technology. It mainly provides an injection mold replacement device to solve the technical problems proposed in the above background technology that the traditional mold replacement method relies on manual labor, is time-consuming and labor-intensive, and is easy to damage the mold, and manual position adjustment is time-consuming. At the same time, there are safety hazards such as pinching, smashing and slipping during operation.

[0004] The technical solution adopted by the present invention to solve the above technical problems is: an injection mold replacement device, comprising a bracket, the top of which is fixedly connected to a top plate, the top of which is provided with an injection hydraulic press, a connecting plate is provided inside the bracket, the output end of the injection hydraulic press passes through the top of the connecting plate, one end of the injection hydraulic press placed at the bottom of the connecting plate is fixedly connected to a fixed shell, one side of the bottom of the connecting plate is fixedly connected to a feed port, the feed port is connected to the fixed shell, both ends of the fixed shell are provided with a pressurized fixed structure, an upper mold is movably clamped inside the fixed shell, and the pressurized fixed structure can clamp both ends of the upper mold under pressure; A base is provided between the bottom of the bracket, one end of the base is hollow, a lifting hydraulic machine is provided in the base, a lifting platform is fixedly connected to the top of the lifting hydraulic machine, a starting pedal is provided in the base, one end of the starting pedal is electrically connected to a transmission line, one end of the transmission line is electrically connected to the lifting hydraulic machine, a symmetrically distributed handle fixing structure is fixedly provided on the top of the lifting platform, a slide groove is provided on the base, a guide rail slide is slidably provided in the slide groove, a lower mold is placed on the top of the guide rail slide, and the handle fixing structure can be rotated to clamp the bottom of the lower mold.

[0005] Preferably, the pressurized fixed structure comprises a fixed block, the fixed block is fixedly connected to the two ends of the fixed shell, a rotating shaft is arranged inside the fixed shell, a buckle is rotatably arranged on the rotating shaft, and slots matching the buckle are opened at both ends of the upper mold.

[0006] Preferably, the fixing block is specifically "L"-shaped, an elastic member is arranged in the extending end thereof, the end of the elastic member is connected to the back side of the buckle, and a first spring is sleeved on the elastic member.

[0007] Preferably, a connecting frame is fixedly connected to the outer wall of the fixing block, a pressing piece is slidably provided at one end of the connecting frame, an end of the pressing piece is placed in the fixing block, and the end of the pressing piece contacts the back side of the buckle.

[0008] Preferably, a pressing plate is sleeved on one end of the pressing member located in the connecting frame, a second spring is arranged between the pressing plate and the outer wall of the connecting frame, and the second spring is sleeved on the pressing member.

[0009] Preferably, the handle fixing structure includes a connecting block, which is symmetrically distributed on the top of the jacking platform, a clamping rod is movably arranged in the connecting block, a waist groove is provided at one end of the clamping rod, and an adapter groove which is clamped with the clamping rod is provided at the bottom of the lower mold.

[0010] Preferably, the connecting block is provided with symmetrically distributed connecting shafts, the waist groove is sleeved on one of the connecting shafts, the other connecting shaft is fixedly connected with a handle, the end of the handle is fixedly connected with a driving member, the driving member is specifically arc-shaped, and one end of the driving member is rotatably connected to the clamping rod.

[0011] Preferably, the end of the slide groove is fixedly connected to a limiting block.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: by setting a lifting hydraulic device and a handle fixing structure, the rapid lifting and fixing of the lower mold is realized, and the upper mold is firmly clamped by the pressure-bearing fixing structure, so that the mold replacement process is more efficient and convenient, and the manpower and time costs are greatly saved. The pressure-bearing fixing structure adopts the cooperation of the buckle and the slot, and the setting of the elastic member and the first spring, so that the upper mold can be firmly fixed in the fixed shell. At the same time, the setting of the pressing member and the second spring makes the disassembly of the upper mold more convenient, and is convenient for the installation and disassembly of the mold. The handle fixing structure realizes the stable fixation and convenient operation of the lower mold by the clamping of the clamping rod and the adapter slot, and the coordinated use of the driving member and the handle. The electrical connection between the starting pedal and the lifting hydraulic device makes the operation safer and more reliable, and avoids the risks that may be caused by directly operating the lifting hydraulic device. At the same time, the setting of the slide groove and the guide rail slide plate is used to assist the movement of the lower mold during replacement and keep it stable, reducing the safety hazards caused by shaking or tilting.

[0013] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the present invention; Figure 2 It is a three-dimensional schematic diagram of another preferred angle of the overall structure of the present invention; Figure 3 It is a schematic diagram of the upper mold fixing structure of the present invention; Figure 4 It is a schematic diagram of the base structure and the jacking structure of the present invention; Figure 5 It is a schematic diagram of the jacking structure of the present invention; Figure 6 It is an internal cross-sectional view of the upper mold fixing structure of the present invention; Figure 7 It is an internal cross-sectional view of the lower mold fixing structure of the present invention; Figure 8 for Figure 1 A magnified view of the structure at A.

[0015] Markings in the figure: 1- bracket, 2- base, 201- slide, 3- top plate, 4- injection hydraulic machine, 5- connecting plate, 6- feed port, 7- fixed shell, 8- lower mold, 9- guide rail slide, 10- lifting hydraulic machine, 11- starting pedal, 12- lifting platform, 13- handle fixing structure, 1301- connecting block, 1302- handle, 1303- driving member, 14- pressure fixing structure, 1401- fixing block, 1402- connecting frame, 1403- pressing member, 1404- buckle, 15- upper mold, 16- transmission line, 17- rotating shaft, 18- elastic member, 19- first spring, 20- pressure plate, 21- second spring, 22- clamping rod, 2201- waist groove, 23- limiting block. DETAILED DESCRIPTION

[0016] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0017] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly connected by technicians in the technical field to which the present invention belongs. The terminology used in the specification of the present invention is for the purpose of describing specific embodiments and is not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0019] See also Figure 1-8 , an injection mold replacement device, including a bracket 1, a top plate 3 is fixedly connected to the top of the bracket 1, an injection hydraulic press 4 is arranged on the top of the top plate 3, a connecting plate 5 is arranged inside the bracket 1, the output end of the injection hydraulic press 4 passes through the top of the connecting plate 5, one end of the connecting plate 5 is fixedly connected to a fixed shell 7, one side of the bottom of the connecting plate 5 is fixedly connected to a feed port 6, the feed port 6 is communicated with the fixed shell 7, and is used for inputting injection materials, and pressure-bearing fixed structures 14 are arranged at both ends of the fixed shell 7, an upper mold 15 is movably clamped in the fixed shell 7, and the pressure-bearing fixed structure 14 can clamp both ends of the upper mold 15 under pressure; A base 2 is arranged between the bottom of the bracket 1, one end of the base 2 is hollow, a lifting hydraulic machine 10 is arranged in the base 2, a lifting platform 12 is fixedly connected to the top of the lifting hydraulic machine 10 for lifting the lower mold 8, a starting pedal 11 is arranged in the base 2, one end of the starting pedal 11 is electrically connected to a transmission line 16, one end of the transmission line 16 is electrically connected to the lifting hydraulic machine 10, a symmetrically distributed handle fixing structure 13 is fixedly arranged on the top of the lifting platform 12, a slide groove 201 is opened on the base 2, a guide rail slide 9 is slidably arranged in the slide groove 201, the lower mold 8 is placed on the top of the guide rail slide 9, the handle fixing structure 13 can be rotatably clamped to the bottom of the lower mold 8, when the starting pedal 11 is stepped on, the lifting hydraulic machine 10 can be started, and the lifting platform 12 and the lower mold 8 thereon are lifted to an appropriate height, so as to facilitate the mold injection operation.

[0020] See also Figure 3 and Figure 6The pressurized fixed structure 14 includes a fixed block 1401, which is fixedly connected to the two ends of the fixed shell 7. A rotating shaft 17 is arranged inside the fixed shell 7, and a buckle 1404 is rotatably arranged on the rotating shaft 17. Slots matching the buckle 1404 are provided at both ends of the upper mold 15. When the buckle 1404 is rotated into the slot, the upper mold 15 can be firmly fixed.

[0021] The fixed block 1401 is specifically "L"-shaped, and an elastic member 18 is arranged in its extended end. The end of the elastic member 18 is connected to the back of the buckle 1404, and a first spring 19 is sleeved on the elastic member 18. In order to enhance the resetting ability of the buckle 1404, an elastic member 18 and a first spring 19 are also arranged in the fixed block 1401. The end of the elastic member 18 is connected to the back of the buckle 1404, and the first spring 19 is sleeved on the elastic member 18.

[0022] The outer wall of the fixed block 1401 is fixedly connected to a connecting frame 1402, and a pressing piece 1403 is slidably provided at one end of the connecting frame 1402. The end of the pressing piece 1403 is placed in the fixed block 1401, and its end is in contact with the back of the buckle 1404. When the upper mold 15 needs to be removed, it only needs to press the pressing piece 1403 to push the buckle 1404 to rotate and disengage it from the slot.

[0023] In order to further improve the resetting ability of the pressing member 1403 , a pressing plate 20 is sleeved on one end of the pressing member 1403 located in the connecting frame 1402 . A second spring 21 is arranged between the pressing plate 20 and the outer wall of the connecting frame 1402 . The second spring sleeve 21 is arranged on the pressing member 1403 .

[0024] See also Figure 7 The handle fixing structure 13 includes a connecting block 1301, which is symmetrically distributed on the top of the jacking platform 12. A clamping rod 22 is movably arranged in the connecting block 1301, and a waist groove 2201 is provided at one end of the clamping rod 22. An adapter groove that is clamped with the clamping rod 22 is provided at the bottom of the lower mold 8. When the lower mold 8 needs to be fixed on the jacking platform 12, it only needs to insert the clamping rod 22 into the adapter groove so that it is tightly clamped with the adapter groove.

[0025] The connecting block 1301 is provided with symmetrically distributed connecting shafts, the waist groove 2201 is sleeved on one of the connecting shafts, and the other connecting shaft is fixedly connected to the handle 1302, and the end of the handle 1302 is fixedly connected to the driving member 1303. The driving member 1303 is specifically arc-shaped, and one end of the driving member 1303 is rotatably connected to the card rod 22. When the card rod 22 needs to be rotated, the card rod 22 can be easily rotated by simply holding the handle 1302 and pressing it down and making the handle 1302 drive the driving member 1303.

[0026] See also Figure 1When the lower mold 8 needs to move, the guide rail slide 9 can be pushed to easily achieve smooth movement of the lower mold 8. In order to prevent the guide rail slide 9 from sliding out of the slide groove 201, the end of the slide groove 201 is also fixedly connected to the limiting block 23.

[0027] The specific operation process of the utility model is as follows: the replaced upper mold 15 is placed in the fixed shell 7, and then the two ends of the upper mold 15 are aligned with the buckles 1404 of the pressure fixed structure 14. Under the action of the elastic member 18 and the first spring 19, the buckles 1404 will automatically rotate and snap into the slots at both ends of the upper mold 15 to achieve the stable fixation of the upper mold 15. Then the replaced lower mold 8 is placed on the guide rail slide 9, and the guide rail slide 9 is pushed to make it move smoothly along the slide groove 201. The lower mold 8 is moved to one side of the jacking platform 12, and then it is placed on the jacking platform 12. The handle 1302 is held and pressed down to make the driving member 1303 drive the clamping rod 22 to rotate until the clamping rod 22 is inserted into the adapter groove at the bottom of the lower mold 8 to achieve the fixation of the lower mold 8. The starting pedal 11 is stepped on, and the jacking hydraulic press 10 is electrically connected to start through the transmission line 16. The device 10 is started, pushing the lifting platform 12 and the lower mold 8 thereon to rise and close with the upper mold 15, starting the injection hydraulic press 4, injecting the injection material into the space between the upper mold 15 and the lower mold 8 through the feed port 6, completing the injection molding process, when the mold needs to be disassembled, holding the handle 1302 and rotating it in the opposite direction, so that the clamping rod 22 is disengaged from the adapter groove, releasing the fixation of the lower mold 8, and the lifting hydraulic press 10 is lowered, and the lifting platform 12 and the lower mold 8 thereon are lowered to the same level as the guide slide 9, and then the lower mold 8 is placed again on the guide slide 9, and the guide slide 9 is pushed to make it move smoothly along the slide groove 201, and the lower mold 8 is moved to the replacement position, and the pressing piece 1403 is pressed, and the buckle 1404 is pushed to rotate to make it disengage from the clamping groove, release the fixation of the upper mold 15, and take the upper mold 15 out of the fixed shell 7, ready to replace the new upper mold 15.

[0028] The above is an exemplary description of the present invention in combination with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as such non-substantial improvements are made by adopting the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. An injection mold replacement device, characterized in that: The invention comprises a bracket (1), wherein the top is fixedly connected to a top plate (3), an injection molding hydraulic press (4) is arranged on the top of the top plate (3), a connecting plate (5) is arranged inside the bracket (1), an output end of the injection molding hydraulic press (4) passes through the top of the connecting plate (5), one end of the injection molding hydraulic press (4) placed on the bottom of the connecting plate (5) is fixedly connected to a fixing shell (7), one side of the bottom of the connecting plate (5) is fixedly connected to a feed port (6), the feed port (6) is connected to the fixing shell (7), both ends of the fixing shell (7) are provided with a pressure-bearing fixing structure (14), an upper mold (15) is movably clamped inside the fixing shell (7), and the pressure-bearing fixing structure (14) can clamp both ends of the upper mold (15) under pressure; A base (2) is arranged between the bottom of the bracket (1), one end of the base (2) is hollow, a lifting hydraulic device (10) is arranged inside the base (2), the top of the lifting hydraulic device (10) is fixedly connected to a lifting platform (12), a starting pedal (11) is arranged inside the base (2), one end of the starting pedal (11) is electrically connected to a transmission line (16), one end of the transmission line (16) is electrically connected to the lifting hydraulic device (10), a symmetrically distributed handle fixing structure (13) is fixedly arranged on the top of the lifting platform (12), a slide groove (201) is provided on the base (2), a guide rail slide (9) is slidably arranged in the slide groove (201), a lower mold (8) is placed on the top of the guide rail slide (9), and the handle fixing structure (13) can be rotated to clamp the bottom of the lower mold (8).

2. The injection mold replacement device according to claim 1, characterized in that: The pressure-bearing fixed structure (14) comprises a fixed block (1401), wherein the fixed block (1401) is fixedly connected to two ends of a fixed shell (7), a rotating shaft (17) is arranged inside the fixed shell (7), a buckle (1404) is rotatably arranged on the rotating shaft (17), and a clamping groove (1404) is provided at two ends of the upper mold (15) to match the buckle (1404).

3. The injection mold replacement device according to claim 2, characterized in that: The fixing block (1401) is specifically "L"-shaped, and an elastic member (18) is arranged in its extended end, the end of the elastic member (18) is connected to the back side of the buckle (1404), and a first spring (19) is sleeved on the elastic member (18).

4. The injection mold replacement device according to claim 2, characterized in that: The outer wall of the fixing block (1401) is fixedly connected to a connecting frame (1402), one end of the connecting frame (1402) is slidably provided with a pressing piece (1403), the end of the pressing piece (1403) is placed in the fixing block (1401), and the end of the pressing piece (1403) is in contact with the back side of the buckle (1404).

5. The injection mold replacement device according to claim 4, characterized in that: A pressing plate (20) is sleeved on one end of the pressing member (1403) located inside the connecting frame (1402), a second spring (21) is provided between the pressing plate (20) and the outer wall of the connecting frame (1402), and the second spring (21) is sleeved on the pressing member (1403).

6. The injection mold replacement device according to claim 1, characterized in that: The handle fixing structure (13) comprises a connecting block (1301), the connecting blocks (1301) are symmetrically arranged on the top of the lifting platform (12), a clamping rod (22) is movably arranged in the connecting block (1301), one end of the clamping rod (22) is provided with a waist groove (2201), and the bottom of the lower mold (8) is provided with an adapter groove that is clamped with the clamping rod (22).

7. The injection mold replacement device according to claim 6, characterized in that: The connection block (1301) is provided with symmetrically distributed connecting shafts, the waist groove (2201) is sleeved on one of the connecting shafts, the other connecting shaft is fixedly connected to a handle (1302), the end of the handle (1302) is fixedly connected to a driving member (1303), the driving member (1303) is specifically arc-shaped, and one end of the driving member (1303) is rotatably connected to the clamping rod (22).

8. The injection mold replacement device according to claim 1, characterized in that: The end of the sliding groove (201) is fixedly connected to a limiting block (23).

Images