Needle roller cam guider installation structure of reciprocating type packaging machine

Abstract

The utility model discloses a roller pin cam guider mounting structure of a reciprocating type packaging machine, which relates to the technical field of packaging machines and comprises a turntable, a mounting groove is arranged on the turntable, a first bearing is fittingly mounted in the mounting groove, a connecting shaft is fittingly mounted in the first bearing, a frustum is arranged at the end of the connecting shaft, and a roller pin cam guider is arranged on the frustum. A cutter shaft seat is installed at the frustum in a matched mode, a fastening assembly used for fixing the connecting shaft is arranged on the cutter shaft seat, a fastening bolt is installed at the end, away from the cutter shaft seat, of the connecting shaft in a matched mode, and a limiting piece is installed between the fastening bolt and the first bearing in a matched mode. According to the design scheme, the frustum is arranged at the end of the connecting shaft, the connecting shaft is connected with the cutter shaft seat through the frustum, the ejector rod is mounted on the cutter shaft seat, and the frustum is inwards ejected by the ejector rod by screwing the locking bolt, so that the connecting shaft and the cutter shaft seat are prevented from loosening; and therefore, the situation that the use of the equipment is influenced due to angle deviation of the end sealing mechanism is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging machines, in particular to an installation structure of a needle roller cam guide for a reciprocating packaging machine. Background Art

[0002] In the existing packaging machine equipment, when performing end sealing, the upper sealing knife and the lower sealing knife clamp against each other and stay briefly to complete the end sealing, or the upper sealing knife and the lower sealing knife complete the end sealing during the clamping process. The two groups of end sealing mechanisms of the packaging machine are usually eccentrically rotated and installed on the turntable. The two turntables are driven by a motor to rotate towards each other, so that the end sealing mechanisms move towards each other to squeeze the packaging bag, thereby realizing the end sealing operation. However, in the prior art, a separable clamping seat is usually used to fix between the end sealing mechanism and the turntable. After long-term use, the clamping seat is prone to looseness, resulting in the angle of the end sealing mechanism shifting, affecting the end sealing effect of the packaging bag. Content of the Utility Model

[0003] In order to overcome the above-mentioned defects existing in the prior art, the utility model provides an installation structure of a needle roller cam guide for a reciprocating packaging machine.

[0004] The technical solution adopted by the utility model to solve its technical problems is: an installation structure of a needle roller cam guide for a reciprocating packaging machine, including a turntable, an installation groove is opened on the turntable, a first bearing is fitted and installed in the installation groove, a connecting shaft is fitted and installed in the first bearing, a conical platform is provided at the end of the connecting shaft, a knife shaft seat is fitted and installed at the conical platform, the knife shaft seat is used to fix the end sealing device, a fastening component for fixing the connecting shaft is provided on the knife shaft seat, a fastening bolt is fitted and installed at the end of the connecting shaft away from the knife shaft seat, and a limiting piece is fitted and installed between the fastening bolt and the first bearing.

[0005] Further, an installation hole is opened on the knife shaft seat, the shape of the installation hole matches that of the conical platform, a positioning groove is opened in the installation hole, and a positioning platform matching the positioning groove is fixedly installed on the conical platform.

[0006] Further, the fastening component includes several groups of ejector rods, the ejector rods are slidably installed on the front side wall of the knife shaft seat, one end of the ejector rod close to the conical platform is inclined towards the end of the conical platform, a connecting hole matching the ejector rod is opened on the conical platform, a pressing plate is fixedly connected to the end of the ejector rod away from the conical platform, a locking bolt is movably installed in the middle of the pressing plate, the locking bolt is fitted and installed on the knife shaft seat, and a spring is provided between the pressing plate and the knife shaft seat, and the spring is sleeved on the locking bolt.

[0007] Further, a thrust bearing is provided between the turntable and the knife shaft seat, and the thrust bearing is fitted and installed on the connecting shaft.

[0008] Furthermore, a second bearing is fitted at one end of the fastening bolt away from the connecting shaft, and the turntable is rotatably mounted on the support plate.

[0009] The beneficial effect of the present utility model is that in the design solution of the present utility model, through the design that the end of the connecting shaft is provided with a frustum, the connecting shaft and the tool shaft seat are connected through the frustum. A ejector rod is installed on the tool shaft seat. By tightening the locking bolt, the ejector rod presses the frustum tightly inward, thereby preventing the connecting shaft and the tool shaft seat from loosening, and further avoiding the situation that the use of the equipment is affected due to the deviation of the angle of the end sealing mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0011] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0012] Figure 2 is a front view of the present utility model;

[0013] Figure 3 is Figure 2 a sectional structural schematic diagram in the A-A direction in

[0014] Figure 4 is a structural schematic diagram of the tool shaft seat of the present utility model;

[0015] Figure 5 is a structural schematic diagram of the connecting shaft of the present utility model;

[0016] Figure 6 is an exploded view of the present utility model;

[0017] Figure 7 is an installation schematic diagram of the present utility model on the support plate.

[0018] In the figure: 1. Turntable, 101. Installation groove, 2. First bearing, 3. Connecting shaft, 301. Frustum, 302. Positioning table, 303. Connecting hole, 4. Tool shaft seat, 401. Installation hole, 402. Positioning groove, 5. Ejector rod, 6. Pressure plate, 7. Locking bolt, 8. Spring, 9. Fastening bolt, 10. Limiting piece, 11. Thrust bearing, 12. Second bearing, 13. Support plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] In order to more clearly illustrate the technical solution of the present utility model, the present utility model will be further described below in conjunction with the drawings. Obviously, the following described drawings are only one embodiment of the present utility model. For those of ordinary skill in the art, without creative efforts, other embodiments obtained based on this drawing and embodiment all fall within the protection scope of the present utility model.

[0020] According to Figure 1-7 As shown, a needle roller cam guide installation structure of a reciprocating packaging machine includes a turntable 1. An installation groove 101 is formed on the turntable 1. A first bearing 2 is fitted and installed in the installation groove 101. The first bearing 2 is in close contact with the side wall of the installation groove 101. A connecting shaft 3 is fitted and installed in the first bearing 2. A frustum 301 is provided at the end of the connecting shaft 3. A knife shaft seat 4 is fitted and installed at the frustum 301. The knife shaft seat 4 is used to fix the end sealing device. A fastening assembly for fixing the connecting shaft 3 is provided on the knife shaft seat 4. One end of the connecting shaft 3 away from the knife shaft seat 4 is fitted and installed with a fastening bolt 9 through thread. A limiting piece 10 is fitted and installed between the fastening bolt 9 and the first bearing 2.

[0021] In this embodiment, an installation hole 401 is formed on the knife shaft seat 4. The shape of the installation hole 401 matches that of the frustum 301. A positioning groove 402 is formed in the installation hole 401. A positioning table 302 matching the positioning groove 402 is welded on the frustum 301. When installing the connecting shaft 3, after aligning the positioning table 302 with the positioning groove 402, the frustum 301 is inserted into the installation hole 401. The cooperation between the positioning table 302 and the positioning groove 402 avoids relative rotation between the connecting shaft 3 and the knife shaft seat 4.

[0022] In this embodiment, the fastening assembly includes several groups of ejector rods 5. Preferably, the number of ejector rods 5 is two groups. The ejector rods 5 are slidably installed on the front side wall of the knife shaft seat 4. One end of the ejector rod 5 close to the frustum 301 is inclined towards the end of the frustum 301. A connecting hole 303 matching the ejector rod 5 is formed on the frustum 301. The diameter of the connecting hole 303 is 1 - 2 mm larger than the diameter of the ejector rod 5. A pressing plate 6 is welded at the end of the ejector rod 5 away from the frustum 301. A locking bolt 7 is movably installed in the middle of the pressing plate 6. The locking bolt 7 is installed on the knife shaft seat 4 through thread. A spring 8 is provided between the pressing plate 6 and the knife shaft seat 4. The spring 8 is sleeved on the locking bolt 7. The ejector rod 5 is inserted into the connecting hole 303. By tightening the locking bolt 7, the ejector rod 5 presses the frustum 301 tightly in the installation hole 401. When the locking bolt 7 is loosened, under the action of the spring 8, the ejector rod 5 disengages from the connecting hole 303, facilitating the disassembly of the connecting shaft 3.

[0023] In this embodiment, a thrust bearing 11 is provided between the turntable 1 and the knife shaft seat 4. The thrust bearing 11 is fitted and installed on the connecting shaft 3. When tightening the fastening bolt 9, the thrust bearing 11 is in close contact with the side walls of the turntable 1 and the knife shaft seat 4 respectively. The thrust bearing 11 and the limiting piece 10 cooperate to prevent the connecting shaft 3 from sliding left and right in the installation groove 101.

[0024] In this embodiment, a second bearing 12 is fitted at one end of the fastening bolt 9 away from the connecting shaft 3. The turntable 1 is rotatably mounted on the support plate 13. A driving mechanism is mounted on the support plate 13 to drive the turntable 1 to rotate. The second bearing 12 is located in the guiding groove on the support plate 13, and the inner wall of the second bearing 12 is in close contact with the inner wall of the guiding groove. With the cooperation of the second bearing 12 and the guiding groove, the connecting shaft 3 is guided to slide in the mounting groove 101 to achieve the translation and clamping actions of the end-sealing device.

[0025] When the present utility model is in use, the frustum 301 of the connecting shaft 3 is mounted in the mounting hole 401 of the tool shaft seat 4. By tightening the locking bolt 7, the pressing plate 6 is pressed downward, so that the ejector rod 5 presses the frustum 301 tightly in the mounting hole 401, thereby preventing the connecting shaft 3 from loosening from the tool shaft seat 4. At the same time, with the cooperation of the positioning table 302 and the positioning groove 402, relative rotation between the connecting shaft 3 and the tool shaft seat 4 is avoided, and further, the situation that the use of the equipment is affected due to the angle deviation of the end-sealing mechanism is avoided.

[0026] The above embodiments are only exemplary embodiments of the present utility model and are not used to limit the present utility model. The protection scope of the present utility model is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements to the present utility model within the essence and protection scope of the present utility model, and such modifications or equivalent replacements should also be regarded as falling within the protection scope of the present utility model.

Claims

1. A needle roller cam guide installation structure for a reciprocating packaging machine, including a turntable (1), characterized in that: An installation groove (101) is formed in the turntable (1). A first bearing (2) is fitted and installed in the installation groove (101). A connecting shaft (3) is fitted and installed in the first bearing (2). A frustum (301) is provided at the end of the connecting shaft (3). A cutter shaft seat (4) is fitted and installed at the frustum (301). The cutter shaft seat (4) is used to fix the end sealing device. A fastening assembly for fixing the connecting shaft (3) is provided on the cutter shaft seat (4). A fastening bolt (9) is fitted and installed at one end of the connecting shaft (3) away from the cutter shaft seat (4). A limiting piece (10) is fitted and installed between the fastening bolt (9) and the first bearing (2).

2. The installation structure of the needle roller cam guide of a reciprocating packaging machine according to claim 1, characterized in that, An installation hole (401) is formed in the cutter shaft seat (4). The shape of the installation hole (401) matches that of the frustum (301). A positioning groove (402) is formed in the installation hole (401). A positioning table (302) matching the positioning groove (402) is fixedly installed on the frustum (301).

3. The installation structure of the needle roller cam guide of a reciprocating packaging machine according to claim 2, characterized in that, The fastening assembly includes a number of groups of ejector rods (5). The ejector rods (5) are slidably installed on the front side wall of the cutter shaft seat (4). One end of the ejector rod (5) close to the frustum (301) is inclined towards the end of the frustum (301). A connecting hole (303) matching the ejector rod (5) is formed in the frustum (301). A pressing plate (6) is fixedly connected to the end of the ejector rod (5) away from the frustum (301). A locking bolt (7) is movably installed in the middle of the pressing plate (6). The locking bolt (7) is fitted and installed on the cutter shaft seat (4). A spring (8) is provided between the pressing plate (6) and the cutter shaft seat (4). The spring (8) is sleeved on the locking bolt (7).

4. The installation structure of the needle cam guide of a reciprocating packaging machine according to claim 1, characterized in that, A thrust bearing (11) is provided between the turntable (1) and the cutter shaft seat (4). The thrust bearing (11) is fitted and installed on the connecting shaft (3).

5. The installation structure of the needle cam guide of a reciprocating packaging machine according to any one of claims 1-4, characterized in that, A second bearing (12) is fitted and installed at the end of the fastening bolt (9) away from the connecting shaft (3). The turntable (1) is rotatably installed on a support plate (13).

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