Deburring device for mold cavity of packaging barrel mold
By designing a deburring device for the packaging barrel mold cavity with a rotating base and worm gear drive, the problem of difficult burr removal inside the mold cavity was solved, achieving efficient and flexible grinding effect and reducing labor intensity.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHUHAI RUIJIE PLASTIC PACKAGING PROD CO LTD
- Filing Date
- 2025-05-20
- Publication Date
- 2026-04-21
AI Technical Summary
In the existing technology, removing burrs from the cavity of packaging barrel molds requires a lot of physical labor and it is difficult to effectively grind narrow cavities, resulting in operational difficulties.
A deburring device for packaging barrel mold cavities was designed, which adopts a rotating base, cylinder, positioning mechanism and grinding mechanism. The grinding wheel is driven to rotate and move through worm gear transmission and synchronous belt to achieve efficient grinding of the mold cavity.
It achieves efficient deburring of mold cavities, adapts to flexible grinding of cavities of different sizes, reduces labor intensity, and improves the convenience and accuracy of operation.
Smart Images

Figure CN224144191U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of deburring technology, specifically a deburring device for the cavity of a packaging barrel mold. Background Technology
[0002] Injection molds are core tools in plastic product manufacturing, used to inject molten plastic into a cavity and allow it to cool and solidify. The mold cavity, freshly formed, contains burrs that need to be removed through grinding.
[0003] In the prior art, patent announcement number CN214876211U discloses a molding die for a plastic packaging barrel, including a die, a driving device, an automatic labeling device, and a packaging barrel. The die includes a fixed die, a rack, a drive shaft mounting plate, and a transmission shaft mounting plate; the driving device includes a transmission shaft, a large drive gear, a drive shaft, and a worm gear; the automatic labeling device includes a mounting plate and a lead screw. The transmission shaft is rotatably mounted in the transmission shaft mounting plate, the drive shaft is rotatably mounted in the drive shaft mounting plate, the worm gear and the lead screw are fixedly connected, the mounting plate is fixedly mounted on the upper end of the fixed die, and the rack and the large drive gear mesh with each other.
[0004] The mold cavity of packaging barrels is cylindrical. During processing, workers typically need to use hand-held grinders to meticulously polish the inner wall of the mold cavity. This work requires considerable physical labor, placing a significant strain on the workers. Furthermore, for molds with smaller cavities, workers encounter additional difficulties operating the grinder, as it is challenging to insert the grinder deep into the narrow cavity for effective polishing. Therefore, a deburring device for packaging barrel mold cavities is proposed. Utility Model Content
[0005] The purpose of this invention is to provide a deburring device for the cavity of a packaging barrel mold to solve the problems in the prior art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a deburring device for the cavity of a packaging barrel mold, comprising a rotating base, a support rod fixedly mounted on the rotating base, a crossbeam fixedly mounted on the upper end of the support rod, a cylinder fixedly mounted on the crossbeam, a positioning mechanism fixedly mounted on the output end of the cylinder, the positioning mechanism comprising a positioning housing fixedly mounted on the output end of the cylinder, a guide rod fixedly mounted on the positioning housing, a first lead screw rotatably mounted between the guide rods, a lead screw slider slidably mounted on the guide rods, and the lead screw slider threadedly mounted on the first lead screw, and a grinding mechanism mounted on the positioning housing.
[0007] Preferably, the positioning mechanism further includes a guide wheel rotatably mounted in the positioning housing and a tensioning wheel rotatably mounted on the lead screw slider, and a handwheel is fixedly mounted at the end of the first lead screw.
[0008] Preferably, the lead screw slider has a sliding hole, and the lead screw slider is slidably mounted on the guide rod through the sliding hole.
[0009] Preferably, both ends of the first lead screw are threaded, and the thread directions at both ends of the first lead screw are opposite. The tensioning wheel is slidably installed in the positioning housing through the lead screw slider. The lead screw slider is provided with a threaded hole, and the lead screw slider is installed on the first lead screw through the threaded hole.
[0010] Preferably, the grinding mechanism includes a telescopic rod slidably installed in the positioning housing and a second lead screw rotatably installed in the positioning housing. A lead screw nut is fixedly installed on the telescopic rod and threaded onto the second lead screw. A worm gear is fixedly installed on the second lead screw. A worm is rotatably installed on one side of the worm gear and meshes with the worm gear. A synchronous pulley is rotatably installed on the telescopic rod. A grinding wheel is fixedly installed at the lower end of the movable shaft of the synchronous pulley. A motor is fixedly installed on the telescopic rod, and the output end of the motor is fixedly installed on the movable shaft of the grinding wheel. A synchronous belt is provided between the synchronous pulleys.
[0011] Preferably, both ends of the second lead screw are threaded, and the thread directions at both ends of the second lead screw are opposite.
[0012] Preferably, the positioning housing is provided with a retainer, and the second lead screw and worm are both rotatably mounted in the positioning housing through the retainer.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] 1. In this application, the rotational motion of the worm gear is transmitted to the worm wheel through meshing, thereby driving the worm wheel to rotate. The rotation of the worm wheel, in turn, drives the second lead screw to rotate, causing the lead screw nut to move axially. This axial movement causes the telescopic rod to perform a telescopic action, thereby adjusting the distance between the two grinding wheels to meet the grinding requirements of the inner wall of mold cavities of different sizes.
[0015] 2. In this application, rotating the handwheel drives the first lead screw to rotate, which in turn causes the lead screw slider to move, thereby adjusting the spacing between the tensioning wheels. This process ensures that the timing belt maintains appropriate tension. After the timing belt reaches the preset tension, the motor starts. The movement of the timing belt drives the two grinding wheels to rotate, and during the rotation, the grinding wheels move up and down through the action of the cylinder, thereby efficiently grinding the mold cavity to remove burrs. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0017] Figure 2 This is a partial structural schematic diagram of the present invention;
[0018] Figure 3 This is a schematic diagram of the positioning mechanism of this utility model;
[0019] Figure 4 This is a schematic diagram of the grinding mechanism of this utility model.
[0020] The diagram shows the following components: 1. Rotating base; 2. Support rod; 3. Crossbeam; 4. Cylinder; 5. Positioning mechanism; 501. Positioning housing; 502. Guide wheel; 503. Tensioning wheel; 504. Lead screw slider; 505. Guide rod; 506. First lead screw; 507. Handwheel; 6. Grinding mechanism; 601. Telescopic rod; 602. Motor; 603. Lead screw nut; 604. Grinding wheel; 605. Second lead screw; 606. Synchronous belt; 607. Worm gear; 608. Worm; 609. Synchronous pulley. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] like Figure 1 and Figure 2 As shown, this utility model provides a technical solution for a deburring device for the cavity of a packaging barrel mold, including a rotating base 1, a support rod 2 fixedly installed on the rotating base 1, a crossbeam 3 fixedly installed on the upper end of the support rod 2, a cylinder 4 fixedly installed on the crossbeam 3, a positioning mechanism 5 fixedly installed at the output end of the cylinder 4, and a grinding mechanism 6 installed on the positioning housing 501. Through the cooperation of the positioning mechanism 5 and the grinding mechanism 6, the cavity of the mold can be ground conveniently and quickly to remove burrs from the cavity.
[0023] like Figure 2 and Figure 3As shown, the positioning mechanism 5 includes a positioning housing 501 fixedly installed at the output end of the cylinder 4. A guide rod 505 is fixedly installed on the positioning housing 501. A first lead screw 506 is rotatably installed between the guide rods 505. A lead screw slider 504 is slidably installed on the guide rods 505, and the lead screw slider 504 is threadedly installed on the first lead screw 506. The positioning mechanism 5 also includes a guide wheel 502 rotatably installed in the positioning housing 501 and a tension wheel 503 rotatably installed on the lead screw slider 504. A handwheel 507 is fixedly installed at the end of the first lead screw 506. A sliding hole is provided on the lead screw slider 504, and the lead screw slider 504 is slidably installed on the guide rod 505 through the sliding hole.
[0024] Specifically, when the worm 608 is rotated, it drives the worm wheel 607 to rotate as well through meshing. As the worm wheel 607 rotates, it transmits power to the second lead screw 605, causing it to rotate. The rotation of the second lead screw 605 causes the lead screw nut 603 to move back and forth along the axis of the lead screw. This back-and-forth movement of the lead screw nut 603 further causes the telescopic rod 601 to extend and retract, thereby adjusting the distance between the two grinding wheels 604. This adjustment of the distance is essential for grinding the inner walls of mold cavities of different sizes, ensuring the flexibility and precision of the grinding process.
[0025] like Figure 2 and Figure 4 As shown, the grinding mechanism 6 includes a telescopic rod 601 slidably installed in the positioning housing 501 and a second lead screw 605 rotatably installed in the positioning housing 501. A lead screw nut 603 is fixedly installed on the telescopic rod 601, and the lead screw nut 603 is threaded onto the second lead screw 605. A worm gear 607 is fixedly installed on the second lead screw 605. A worm 608 is rotatably installed on one side of the worm gear 607, and the worm gear 607 and the worm 608 mesh together. A synchronous pulley 609 is rotatably installed on the telescopic rod 601. A grinding wheel 604 is fixedly installed at the lower end of the movable shaft of the synchronous pulley 609. A motor 602 is fixedly installed on the telescopic rod 601, and the output end of the motor 602 is fixedly installed on the movable shaft of the grinding wheel 604. A synchronous belt 606 is provided between the synchronous pulleys 609. Both ends of the second lead screw 605 are threaded, and the thread directions at both ends of the second lead screw 605 are opposite.
[0026] Specifically, when the operator turns the handwheel 507 located on the mechanical device, it triggers a series of precise mechanical actions. First, the rotation of the handwheel 507 is transmitted to the first lead screw 506, causing it to rotate. As the first lead screw 506 rotates, it further drives the connected lead screw slider 504 to move accordingly. The purpose of this movement is to adjust the distance between the tensioning wheels 503, ensuring that the timing belt 606 is properly tensioned. Once the timing belt 606 is in the correct tension state, the motor 602 can be safely started. The start of the motor 602 causes the timing belt 606 to start moving, which in turn drives the two grinding wheels 604 to rotate. While the grinding wheels 604 are rotating, they can move up and down under the control of the cylinder 4.
[0027] Working principle: First, the mold is placed on the rotating base 1, which drives the mold to rotate. Then, the worm gear 608 can be rotated, which drives the worm wheel 607 to rotate. The rotation of the worm wheel 607 drives the second lead screw 605 to rotate. The rotation of the second lead screw 605 drives the lead screw nut 603 to move back and forth. The back and forth movement of the lead screw nut 603 causes the telescopic rod 601 to extend and retract, thereby adjusting the distance between the two grinding wheels 604, which is convenient for grinding the inner wall of the mold cavity of different sizes. After the distance between the two grinding wheels 604 is adjusted, the handwheel 507 can be turned. Turning the handwheel 507 will drive the first lead screw 506 to rotate. After the first lead screw 506 rotates, it will drive the lead screw slider 504 to move, thereby adjusting the distance between the tensioning wheels 503 and putting the timing belt 606 in a tensioned state. After the timing belt 606 is in a tensioned state, the motor 602 can be started. Driven by the timing belt 606, the two grinding wheels 604 will rotate. During the rotation of the grinding wheels 604, the cylinder 4 can drive them to move up and down, thereby quickly grinding the cavity of the mold.
[0028] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A deburring device for a packaging barrel mold cavity, comprising a rotating base (1), a support rod (2) fixedly mounted on the rotating base (1), and a crossbeam (3) fixedly mounted on the upper end of the support rod (2), characterized in that: A cylinder (4) is fixedly installed on the crossbeam (3). A positioning mechanism (5) is fixedly installed at the output end of the cylinder (4). The positioning mechanism (5) includes a positioning housing (501) fixedly installed at the output end of the cylinder (4). A guide rod (505) is fixedly installed on the positioning housing (501). A first lead screw (506) is rotatably installed between the guide rods (505). A lead screw slider (504) is slidably installed on the guide rods (505) and threaded onto the first lead screw (506). A grinding mechanism (6) is installed on the positioning housing (501).
2. A burring device for a packaging drum mold cavity according to claim 1, characterized in that: The positioning mechanism (5) further includes a guide wheel (502) rotatably mounted in the positioning housing (501) and a tension wheel (503) rotatably mounted on the lead screw slider (504), and a handwheel (507) is fixedly mounted at the end of the first lead screw (506).
3. A burring device for a packaging drum mold cavity according to claim 2, characterized in that: The lead screw slider (504) has a sliding hole, and the lead screw slider (504) is slidably mounted on the guide rod (505) through the sliding hole.
4. The device of claim 3, wherein: The first lead screw (506) has threads at both ends, and the threads at both ends of the first lead screw (506) are in opposite directions. The tension wheel (503) is slidably installed in the positioning housing (501) through the lead screw slider (504). The lead screw slider (504) has a threaded hole, and the lead screw slider (504) is installed on the first lead screw (506) through the threaded hole.
5. A burring device for a packaging drum mould cavity according to claim 4, characterised in that: The grinding mechanism (6) includes a telescopic rod (601) slidably installed in the positioning housing (501) and a second lead screw (605) rotatably installed in the positioning housing (501). A lead screw nut (603) is fixedly installed on the telescopic rod (601), and the lead screw nut (603) is threaded onto the second lead screw (605). A worm gear (607) is fixedly installed on the second lead screw (605), and a worm (607) is rotatably installed on one side of the worm gear (607). 08), and the worm gear (607) meshes with the worm (608). A synchronous wheel (609) is rotatably mounted on the telescopic rod (601). A grinding wheel (604) is fixedly mounted on the lower end of the movable shaft of the synchronous wheel (609). A motor (602) is fixedly mounted on the telescopic rod (601), and the output end of the motor (602) is fixedly mounted on the movable shaft of the grinding wheel (604). A synchronous belt (606) is provided between the synchronous wheels (609).
6. A de-burring device for a packaging pail mold cavity as defined in claim 5, wherein: The second lead screw (605) has threads at both ends, and the threads at both ends of the second lead screw (605) are in opposite directions.
7. A burring device for a packaging drum mould cavity according to claim 6, characterised in that: The positioning housing (501) is provided with a retainer, and the second lead screw (605) and worm gear (608) are rotatably mounted in the positioning housing (501) through the retainer.
Citation Information
Patent Citations
Plastic packaging barrel forming mold
CN214876211U