直线吹灌旋的吹瓶机和灌装机之间的变距中转连接机构
By introducing a variable-pitch transfer connection mechanism between the blow molding machine and the filling machine, the problems of low efficiency and rejection of defective bottles in traditional transmission methods are solved, realizing efficient and fast bottle transfer and automatic rejection of broken bottles, reducing the risk of beverage leakage.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TAIZHOU DAGEGRAN PACKAGING MASCH CO LTD
- Filing Date
- 2025-07-22
- Publication Date
- 2026-07-17
AI Technical Summary
Existing transmission methods between blow molding machines and filling machines have drawbacks such as large footprint, high energy consumption, low efficiency, and difficulty in effectively removing defective bottles, leading to the risk of beverage leakage.
Design a variable-pitch transfer connection mechanism between a linear blow-fill-spindle blow molding machine and a filling machine, including a bottle feeding, variable-pitch, removal, conveying and rejection, and bottle receiving mechanism. Utilize components such as cylinders, motors, and transmission belts to achieve rapid and accurate transfer of bottles and automatic rejection of defective bottles.
It enables efficient bottle transfer between blow molding machines and filling machines, avoids the need for large-area pneumatic conveyor structures, ensures fast and accurate bottle transfer, and effectively removes broken bottles, reducing the risk of beverage leakage.
Smart Images
Figure CN224510380U_ABST
Abstract
Claims
1. A variable distance transfer connection mechanism between a linear blow-molded bottle blowing machine and a filling machine, comprising a main frame (1), characterized in that: The main frame (1) is sequentially equipped with a bottle feeding mechanism (2), a bottle spacing mechanism (3), a bottle taking out mechanism (4), a bottle conveying and rejecting mechanism (5), and a filling machine receiving mechanism (6). The front end of the bottle feeding mechanism (2) receives and holds the bottles blown by the blow molding machine. The bottle spacing mechanism (3) adjusts the spacing between adjacent bottles in a row from the spacing in the blow molding machine to the spacing between adjacent bottles in the filling machine. The bottle taking out mechanism (4) takes out the bottles after the spacing adjustment and transfers them to the bottle conveying and rejecting mechanism (5). The bottle conveying and rejecting mechanism (5) transports qualified bottles to the filling machine receiving mechanism (6). The bottle conveying and rejecting mechanism (5) automatically rejects broken bottles. The rear end of the filling machine receiving mechanism (6) is connected to the filling machine to send the bottles into the filling machine for liquid filling.
2. A variable distance transfer connection mechanism between a bottle blowing machine and a filler of a straight line blow-fill-seal, according to claim 1, characterized in that: The bottle feeding mechanism (2) includes a main connecting plate (201) connected to the main frame (1). A first slide rail (202) is provided on the top surface of the main connecting plate (201) along the front-back direction. A first sliding member (204) is connected to the first slide rail (202) via a slider (203). A first cylinder (205) is connected to the main connecting plate (201). The cylinder rod of the first cylinder (205) is connected to the front end of the first sliding member (204) to control the front-back movement of the first sliding member (204). A first insert plate is connected to the top of the first sliding member (204). (207); The top of the main frame (1) is connected to a first support beam (208), and the bottom of the first support beam (208) is provided with a first motor (209) and a first transmission belt (210) arranged in the left and right direction. The first motor (209) drives the first transmission belt (210) to rotate. The bottom of the first transmission belt (210) is connected to a first adapter block (211). The first adapter block (211) is connected to a second slide rail (212) by a slider below. The rear end of the second slide rail (212) is connected to a first gripper bracket (213). The bottom of the first gripper bracket (213) is connected to a series of first grippers (214) in the left-right direction. The opening shape and size of the first grippers (214) correspond to the shape and size of the neck of the bottle. The first gripper bracket (213) is connected to the third slide rail (215) above by a slider. The third slide rail (215) is connected to the bottom surface of the first support beam (208). The front side of the first support beam (208) is provided with a second motor (216) and a rotating shaft (217). An L-shaped push rod (218) is connected to the rotating shaft (217). The front end of the push rod (218) is connected to the first gripper bracket (213); the first motor (209) drives the first transmission belt (210) to move in the left and right direction, thereby driving the first gripper bracket (213) to move left and right. The second motor (216) drives the L-shaped push rod (218) to swing back and forth, thereby pushing the first gripper bracket (213) to move back and forth, so as to realize the left and right movement and back and forth movement of the entire row of bottles. The first insert plate (207) is located below the first gripper (214). The first insert plate (207) moves backward and inserts into the narrow groove located below the neck flange of the bottle.
3. A variable distance transfer connection mechanism between a stretch blow molding machine and a filler of a straight line stretch blow molding and filling machine according to claim 2, characterized in that: The bottle body pitch-changing mechanism (3) includes a main mounting frame (31) located on the top of the main connecting plate (201). The cross-section of the outer side of the main mounting frame (31) is waist-shaped, including straight sections in the front and rear rows and arc sections at the left and right ends. The outer side of the main mounting frame (31) is provided with a mounting groove, in which a bottle insert assembly (32) for inserting into the bottle mouth is installed. All the bottle insert assemblies (32) form a closed ring structure. An insert rod extends from the inner side of the bottle insert assembly (32), and a bearing is connected to the end of the insert rod. A pitch-changing screw (33) is provided in the main mounting frame (31) along the left and right direction. The pitch of the right side portion is the same as the pitch between the bottles on the blow molding machine. The pitch of the left side portion of the variable pitch screw (33) is the same as the pitch between the bottles on the filling machine. The insert rod of the bottle insert core assembly (32) at the front position of the variable pitch screw (33) is inserted into the spiral groove of the variable pitch screw (33). A third motor (34) is provided on the main mounting frame (31). The output shaft of the third motor (34) is connected to a reducer (35). One end of the reducer (35) is connected to the variable pitch screw (33) via a transmission belt. The rotation of the variable pitch screw (33) drives the bottle insert core assembly (32) in the spiral groove of the variable pitch screw (33) to move to the left. The bottle insert assembly (32) corresponding to the area before and after the pitch change of the screw (33) is in sequential contact to maintain the pushing state. The other outlet of the reducer (35) is connected to an upward pulling mechanism (36). The front end of the upward pulling mechanism (36) is opposite to one of the bottle insert assemblies (32) after the pitch change. The upward pulling mechanism (36) pulls the bottle insert assembly (32) upward and separates it from the bottle mouth of the bottle body. The top of the right side area of the main mounting frame (31) is connected to a downward pressing mechanism (37). The downward pressing mechanism (37) includes a connecting frame (371) connected to the main mounting frame (31). The connecting frame (371) is equipped with a second cylinder ( 372), a pressure plate (373) is connected below the second cylinder (372), a guide rod (374) is provided between the pressure plate (373) and the connecting frame (371), the bottle insert core assembly (32) directly below the pressure plate (373) corresponds to the bottle held by the first gripper (214); a positioning plate (38) is connected on the main mounting frame (31), the positioning plate (38) and the first insert plate (207) are respectively inserted into the groove of the bottle neck, the bottom of the bottle insert core assembly (32) in the spiral groove of the variable pitch screw (33) is inserted into the bottle mouth in the positioning plate (38) and the first insert plate (207) and drags the bottle to the left.
4. A variable distance transfer connection mechanism between a bottle blowing machine and a filler of a straight line blow-fill-seal type according to claim 3, characterized in that: The upper pull mechanism (36) includes a transmission belt connected to another output end of the reducer (35). A rotating shaft is connected to the transmission belt, and a cam (361) is connected to the end of the rotating shaft. The cam (361) contacts and positions the lever (362). A hook extends from the end of the lever (362) and is located below the flange at the front end of the bottle insert assembly (32). The third motor (34) drives the transmission belt to rotate through the reducer (35), which in turn drives the rotating shaft to rotate, thereby driving the lever (361) to rotate. The lever (362) moves up and down repeatedly. The frequency of the lever (362) moving upward corresponds to the frequency of the variable pitch screw (33) rotating. The third motor (34) rotates the variable pitch screw (33) for one cycle, which drives one of the bottle insert components (32) to the hook at the end of the lever (362). At the same time, the lever (362) is lifted upward by the cam (361) so that the bottle insert component (32) is disengaged from the bottle below.
5. The variable-pitch transfer connection mechanism between a linear blow molding machine and a filling machine according to claim 4, characterized in that: The bottle removal mechanism (4) includes a fourth motor (41) connected to the main frame (1). A rotating shaft is vertically connected to the fourth motor (41), and a turntable (42) is connected to the top of the rotating shaft. A first arc-shaped notch (421) is provided on the outer surface of the turntable (42), and a first arc-shaped guide plate (43) is provided on the outer side of the turntable (42). The first arc-shaped guide plate (43) is connected to the main frame (1) below by a bracket. The gap between the first arc-shaped notch (421) on the turntable (42) and the first arc-shaped guide plate (43) is close to the neck of the bottle. The grooves engage, and the starting end of the first arc-shaped guide plate (43) is located below the bottle insert assembly (32) corresponding to the lever (362). When the bottle insert assembly (32) is pulled upward under the action of the lever (362), the bottle neck is engaged in the gap between the first arc-shaped notch (421) and the first arc-shaped guide plate (43). The input end of the first arc-shaped guide plate (43) is level with the tail end of the positioning plate (38). The bottle insert assembly (32) drags the bottle along the positioning plate (38) and is guided into the first arc-shaped guide plate (43).
6. A variable distance transfer connection mechanism between a bottle blowing machine and a filler of a straight line blow-fill-seal type according to claim 5, characterized in that: The bottle conveying and rejecting mechanism (5) includes a fifth motor (51) connected to the main frame (1). A rotating shaft is vertically connected to the fifth motor (51), and a rotating shaft protective cover (52) is provided on the outside of the rotating shaft. A rotating disk (53) is connected to the top of the rotating shaft. A series of equally angled operating holes (531) are provided on the rotating disk (53) along the circumferential direction. A gripping plate (54) is connected to the rotating disk (53) outside each operating hole (531). An arc-shaped notch is provided at the front end of the gripping plate (54). A chuck (55) is hinged on the gripping plate (54). A gap is provided between the gripping plate (54) and the chuck (55). There is a compression spring. The inner end of the claw (55) is connected to a vertical rod (56). The vertical rod (56) passes through the operating hole (531) and extends to the bottom of the rotating disk (53). The bottom of the vertical rod (56) extends outward to form a frustum. The bottom surface of the rotating disk (53) is provided with an arc-shaped long strip (57). The upper part of the rotating shaft protective cover (52) is connected to an extension bracket (58). The arc-shaped long strip (57) is connected to the top surface of the extension bracket (58). The outer side of the arc-shaped long strip (57) corresponding to the delivery end of the bottle body removal mechanism (4) is provided with a first groove (571). The outer side of the extension bracket (58) is connected to a second groove. The third cylinder (59) has its cylinder rod connected to the front end of the arc-shaped long block (57) via a hinge rod. The cylinder rod of the third cylinder (59) extends and pushes the front end of the arc-shaped long block (57) outwards, causing the upright rod (56) to overcome the spring force and open the chuck (55) to ensure the bottle falls. The retraction of the cylinder rod of the third cylinder (59) pulls the front end of the arc-shaped long block (57) inwards, ensuring the upright rod (56) returns to its original position under the spring force, causing the chuck (55) to close and ensuring the bottle is clamped. The upright rod (56) is located outside the arc-shaped long block (57) and the two maintain close contact. The compression spring is in a stretched state so that the corresponding claw (55) is kept open relative to the gripping plate (54). When the upright (56) enters the first groove (571), the claw (55) is gripped inward by the spring force and cooperates with the gripping plate (54) to clamp the neck of the bottle. At the exit position of the bottle conveying and rejecting mechanism (5), there is a second groove (572) that is inclined inward. At the exit position, the upright (56) enters the second groove (572) so that the claw (55) is opened relative to the gripping plate (54) to release the bottle and send the bottle into the filling machine receiving mechanism (6).
7. A variable distance transfer connection mechanism between a bottle blowing machine and a filler of a straight line blow-fill-seal type according to claim 6, characterized in that: The bottle receiving mechanism (6) of the filling machine includes a rotating dial (61) and a second arc-shaped guide plate (62). The rotating dial (61) is driven by an independent motor. The outer side of the rotating dial (61) is equally distributed with second arc-shaped notches (611). The claws (55) and grippers (54) clamp the groove on the upper side of the bottle neck. The second arc-shaped notch (611) and the second arc-shaped guide plate (62) are engaged in the groove on the lower side of the bottle neck. When the bottle enters the second arc-shaped notch (611) and the second arc-shaped guide plate (62), the upright rod (56) on the claw (55) corresponding to the position of the second arc-shaped notch (611) and the second arc-shaped guide plate (62) enters the second groove (572) to ensure that the claw (55) and gripper (54) at that position release the bottle.