Backward-moving ejection device of injection machine

Abstract

The utility model provides a backward-moving ejection device of an injection machine, which relates to the technical field of injection machines and comprises a table board, a lifting part mounted on the table board, a fastening slotted hole formed in the surface of the lifting part, a rack mounted at the lower part of one end of the table board, a rotating shaft further arranged at the lower part of the table board, and gears mounted at two ends of the rotating shaft, the side face of the rack is connected with the gear in a meshed mode, a pressure jacking rod is installed on the lifting piece, and one end of the pressure jacking rod is connected to the interior of the fastening groove hole. The rotating shaft rotates to drive the gear to rotate, when the gear rotates, the rack can be driven to move, at the moment, the rack ascends and descends, the lifting piece can be driven to ascend or descend in the ascending and descending process of the rack so as to adjust the height of the material plate, and when the material plate inclines, the lifting piece can ascend or descend. The pressure jacking rod can detect the pressure in the fastening groove hole, and then the height of the pressure lifting rod is adjusted according to the pressure in the fastening groove hole, so that the inserting rod is pushed, and the material plate on the upper portion is kept balanced.

Description

Technical Field

[0001] The utility model belongs to the technical field of injection molding machines, and more specifically, particularly relates to a rearward displacement and ejection device of an injection molding machine. Background Technique

[0002] A rubber injection molding machine is the main molding equipment for making various shaped rubber products from thermosetting rubber using a rubber molding die. During the working process of the injection molding machine, it is necessary to roll the strip-shaped rubber raw material into the internal storage barrel for plasticization and then inject it into the injection barrel, and then the injection component injects the rubber in the injection barrel into the rubber mold, so that the rubber vulcanizes and forms in the mold, and then different shaped rubber products are produced.

[0003] Based on the above, the inventor found the following problems: When the injection molding machine is actually used, it is necessary to keep the moving device balanced. Generally, the way to maintain balance is to add counterweights according to the actual weight or the inclination angle. This way is more troublesome to use and is not conducive to improving the overall processing effect.

[0004] Therefore, in view of this, research and improvement are carried out on the existing structure and deficiencies, and a rearward displacement and ejection device of an injection molding machine is provided, in order to achieve a more practical value purpose. Content of the Utility Model

[0005] In order to solve the above technical problems, the utility model provides a rearward displacement and ejection device of an injection molding machine to solve the problem that the current way to maintain balance is to add counterweights according to the actual weight or the inclination angle.

[0006] The purpose and effect of the rearward displacement and ejection device of an injection molding machine of the utility model are achieved by the following specific technical means:

[0007] A rearward displacement and ejection device of an injection molding machine includes a tabletop, a lifting member is installed on the tabletop, fastening groove holes are formed on the surface of the lifting member, a rack is installed at the lower part of one end of the tabletop, a rotating shaft is further provided at the lower part of the tabletop, gears are installed at both ends of the rotating shaft, the side surface of the rack is meshed and connected with the gears, a pressure lifting rod is installed on the lifting member, and one end of the pressure lifting rod is connected to the inside of the fastening groove hole.

[0008] Further, the number of the lifting members is two, which are respectively located on both sides of one end of the tabletop, the number of the fastening groove holes is four, and the four fastening groove holes are respectively arranged in pairs on the lifting members in a relative manner.

[0009] Further, the number of the pressure lifting rods is four, the four lifting rods correspond to the four fastening groove holes, and the four lifting rods are connected by a control air pipe.

[0010] Further, a mounting member is installed on the tabletop, a driving rod is installed on the mounting member, the number of the driving rods is two, and the two driving rods are connected by a moving plate.

[0011] Further, a support member is installed on the tabletop, the upper parts of the support members are connected by a support cross bar, a driving cylinder is installed in the middle of the support cross bar, and the output end of the driving cylinder is connected with a pushing plate.

[0012] Further, limiting sleeves are arranged at the four corners of the pushing plate, the inner diameter of the limiting sleeve is adapted to the diameter of the support member, and the limiting sleeve is sleeved on the support member.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] In the utility model, by rotating the rotating shaft, the gear can be driven to rotate. When the gear rotates, the rack can be driven to move. At this time, the rack rises and falls. During the rising and falling process of the rack, the lifting member can be driven to rise or fall to adjust the height of the material plate. When the material plate is tilted, the pressure lifting rod will detect the pressure inside the fastening slot hole, and then adjust the height of the pressure lifting rod according to the pressure inside the fastening slot hole to push the inserting rod so that the upper material plate can be kept balanced. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the overall assembly schematic diagram of a rearward moving and ejecting device of an injection machine of the utility model.

[0016] Figure 2 is the overall top view schematic diagram of a rearward moving and ejecting device of an injection machine of the utility model.

[0017] Figure 3 is the overall side view schematic diagram of a rearward moving and ejecting device of an injection machine of the utility model.

[0018] Figure 4 is the enlarged schematic diagram of part A of a rearward moving and ejecting device of an injection machine of the utility model.

[0019] In the figure, the corresponding relationship between the component names and the drawing reference numerals is as follows:

[0020] 1, tabletop; 2, mounting member; 3, driving rod; 4, moving plate; 5, support member; 6, support cross bar; 7, limiting sleeve; 8, pushing plate; 9, driving cylinder; 10, lifting member; 11, fastening slot hole; 12, rack; 13, rotating shaft; 14, gear; 15, pressure lifting rod; 16, control air pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The following further describes in detail the embodiments of the present utility model in conjunction with the accompanying drawings and embodiments. The following embodiments are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0022] In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more; the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model. In addition, terms such as "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations. Embodiment

[0024] As shown in the Figure 1 to the Figure 4 accompanying drawings:

[0025] The utility model provides a rearward ejecting device for an injection machine, which comprises a table 1. An elevating member 10 is installed on the table 1. A fastening groove hole 11 is formed on the surface of the elevating member 10. A rack 12 is installed at the lower part of one end of the table 1. A rotating shaft 13 is further arranged at the lower part of the table 1. Gears 14 are installed at both ends of the rotating shaft 13. The side surface of the rack 12 is meshed and connected with the gears 14. A pressure lifting rod 15 is installed on the elevating member 10. One end of the pressure lifting rod 15 is connected to the inside of the fastening groove hole 11. The number of the elevating members 10 is two, which are respectively located at both sides of one end of the table 1. The number of the fastening groove holes 11 is four. The four fastening groove holes 11 are respectively arranged in pairs on the elevating members 10 in a relative manner. The number of the pressure lifting rods 15 is four. The four lifting rods 15 correspond to the four fastening groove holes 11. The four lifting rods 15 are connected through a control air pipe 16. By rotating the rotating shaft 13, the gears 14 can be driven to rotate. When the gears 14 rotate, the rack 12 can be driven to move. At this time, the rack 12 rises and falls. During the rising and falling process of the rack 12, the elevating member 10 can be driven to rise or fall to adjust the height of the material plate. When the material plate is inclined, the pressure lifting rod 15 will detect the pressure inside the fastening groove hole 11, and then adjust the height of the pressure lifting rod 15 according to the pressure inside the fastening groove hole 11 to push the inserting rod so as to keep the upper material plate balanced.

[0026] Wherein, an installation member 2 is installed on the table 1. A driving rod 3 is installed on the installation member 2. The number of the driving rods 3 is two. The two driving rods 3 are connected through a moving plate 4. A supporting member 5 is installed on the table 1. The upper part of the supporting member 5 is connected through a supporting cross bar 6. A driving cylinder 9 is installed in the middle of the supporting cross bar 6. The output end of the driving cylinder 9 is connected with a pushing plate 8. The product moves inside the table 1. When it moves to the lower part of the pushing plate 8, the driving cylinder 9 is started. The output end of the driving cylinder 9 can make the pushing plate 8 move downward. The product can be pushed down through the pushing plate 8.

[0027] Wherein, limiting sleeves 7 are arranged at the four corners of the pushing plate 8. The inner diameter of the limiting sleeves 7 is adapted to the diameter of the supporting member 5. The limiting sleeves 7 are sleeved on the supporting member 5 to keep it stable when the pushing plate 8 moves.

[0028] The specific usage mode and function of this embodiment:

[0029] In the present utility model, first, both ends of the material plate are placed on two lifting members 10, and the insertion rods at the lower part of the material plate are inserted into the inside of the fastening slot holes 11. Then, by rotating the rotating shaft 13, the gear 14 can be driven to rotate. When the gear 14 rotates, the rack 12 can be driven to move. At this time, the rack 12 moves up and down. During the up and down movement of the rack 12, the lifting members 10 can be driven to rise or fall to adjust the height of the material plate. When the material plate is tilted, the pressure lifting rod 15 will detect the pressure inside the fastening slot holes 11, and then adjust the height of the pressure lifting rod 15 according to the pressure inside the fastening slot holes 11 to push the insertion rod so as to keep the upper material plate balanced. The product moves inside the tabletop 1. When it moves to the lower part of the pushing plate 8, the driving cylinder 9 is started. The output end of the driving cylinder 9 can move the pushing plate 8 downward, and the product can be pushed down through the pushing plate 8.

[0030] The embodiments of the present utility model are given for purposes of illustration and description, and are not exhaustive or limit the present utility model to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are chosen and described in order to better illustrate the principles of the present utility model and its practical application, and to enable those of ordinary skill in the art to understand the present utility model and design various embodiments with various modifications suitable for specific purposes.

Claims

1. A backward ejection device for an injection molding machine, comprising a table (1), characterized in that: A lifting member (10) is installed on the table top (1), and a fastening slot (11) is provided on the surface of the lifting member (10). A rack (12) is installed at the lower part of one end of the table top (1), and a rotating shaft (13) is also provided at the lower part of the table top (1). Gears (14) are installed at both ends of the rotating shaft (13). The side surfaces of the rack (12) are meshingly connected with the gears (14). A pressure lifting rod (15) is installed on the lifting member (10), and one end of the pressure lifting rod (15) is connected to the inside of the fastening slot (11).

2. A backward ejection device for an injection molding machine as claimed in claim 1, characterized in that: The number of the lifting members (10) is two, which are respectively located on both sides of one end of the table top (1); the number of the fastening slot holes (11) is four, and the four fastening slot holes (11) are respectively located on the lifting members (10) in pairs and arranged opposite to each other.

3. A backward ejection device for an injection molding machine as claimed in claim 2, characterized in that: The number of the pressure lifting rods (15) is four, the four pressure lifting rods (15) and the four fastening slots (11) correspond to each other, and the four pressure lifting rods (15) are connected via a control air pipe (16).

4. A backward ejection device for an injection molding machine as claimed in claim 1, characterized in that: A mounting member (2) is mounted on the tabletop (1), a driving rod (3) is mounted on the mounting member (2), there are two driving rods (3), and the two driving rods (3) are connected via a movable plate (4).

5. A backward ejection device for an injection molding machine as claimed in claim 4, characterized in that: A support member (5) is installed on the table top (1), the upper part of the support member (5) is connected via a support cross bar (6), a drive cylinder (9) is installed in the middle part of the support cross bar (6), and the output end of the drive cylinder (9) is connected to a push plate (8).

6. A backward ejection device for an injection molding machine as claimed in claim 5, characterized in that: Limiting sleeves (7) are provided at the four corners of the push plate (8), the inner diameter of the limiting sleeve (7) is matched to the diameter of the support member (5), and the limiting sleeve (7) is sleeved on the support member (5).

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