Water gap cutting device for plastic product injection molding

Abstract

The utility model discloses a water gap cutting device for injection molding of plastic products, which belongs to the technical field of production of injection molding products and comprises a processing table, a fixing component is arranged on one side of the upper end of the processing table, a supporting column is mounted on the other side of the upper end of the processing table, and a supporting plate is connected to the top of the supporting column. A telescopic rod is fixed to one end of the bottom of the supporting plate, the telescopic end of the telescopic rod is connected with a fixing plate, two sets of fixing blocks are fixed to the two ends of the bottom of the fixing plate, a long cutting knife is arranged between the inner sides of the two sets of fixing blocks, and two sets of mounting mechanisms are arranged between the two ends of the long cutting knife and the two sets of fixing blocks. Through cooperative use of the fixing plate, the fixing block and the mounting mechanism, the long cutting knife can be conveniently mounted or dismounted, the long cutting knife can be conveniently maintained or replaced, operation is easy, convenient and rapid, and the practicability of the device is improved.

Description

Technical Field

[0001] This utility model relates to the field of injection molding product manufacturing technology, specifically to a sprue device for injection molding of plastic products. Background Technology

[0002] Many products, especially large plastic products, now have high requirements for appearance and can use large sprue molding. Products formed with large sprues have better appearance and dimensional stability. However, the sprues of plastic products formed with large sprues need to be cut off. Manually removing the sprues increases the workload of workers, so there are now many types of sprue cutting devices.

[0003] Chinese Patent Publication No. CN213198639U discloses a device for cutting sprues in plastic injection molded parts, including a base and an L-shaped plate. A receiving groove is formed in the middle of the upper surface of the base. A lead screw reciprocating device is arranged inside the receiving groove. A positioning plate is installed above the power output end of the lead screw reciprocating device. A positioning mechanism is installed on the upper surface of the positioning plate. A lifting frame is arranged near the rear of the upper surface of the L-shaped plate. A transverse cutting blade is fixed below the lifting frame.

[0004] The sprue cutting device for plastic injection molding involved in the above patent still has some obvious shortcomings in actual use. The device is inconvenient to install or disassemble the long cutting blade. Therefore, we need to propose a sprue cutting device for plastic injection molding. Utility Model Content

[0005] The purpose of this invention is to provide a sprue cutting device for injection molding of plastic products, which has a structure that facilitates the installation or disassembly of the cutting blade, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a sprue cutting device for injection molding of plastic products, comprising a processing table, a fixing component for fixing the plastic product is provided on one side of the upper end of the processing table, a support column is fixedly installed on the other side of the upper end of the processing table, a support plate is fixedly connected to the top of the support column, a telescopic rod is fixedly installed at one end of the bottom of the support plate, a fixing plate is fixedly connected to the telescopic end of the telescopic rod, two sets of fixing blocks are fixedly connected to the two ends of the bottom of the fixing plate, a cutting blade is provided between the inner sides of the two sets of fixing blocks, two sets of mounting mechanisms are provided between the two ends of the cutting blade and one side of the two sets of fixing blocks, and the two ends of the cutting blade are movably connected to one side of the two sets of fixing blocks respectively through the two sets of mounting mechanisms.

[0007] Preferably, the mounting mechanism includes a mounting groove formed on one side of the fixing block, one end of the mounting groove is rotatably connected to a threaded rod, one end of the threaded rod passes through one end of the mounting groove and extends to the top of one end of the fixing plate and is fixedly connected to a rotating wheel, and the other end of the threaded rod, located inside the mounting groove, is fixedly installed with an anti-slip block.

[0008] Preferably, the fixing component includes a rotating platform disposed on the top of the processing table, a rotating mechanism fixedly connected to the bottom of the rotating platform, four sets of support rods disposed on the surface of the rotating platform, and one end of the four sets of support rods being fixedly installed in a circular array around the rotating platform, and the other end of the support rods being connected to a clamping mechanism.

[0009] Preferably, the rotating mechanism includes a rotating rod rotatably connected to the upper end of the processing table, one end of the rotating rod being fixedly installed at the bottom of the rotating table, and the other end of the rotating rod being fixedly connected to a first bevel gear.

[0010] Preferably, the rotating mechanism further includes a motor fixedly installed on the inner wall of the upper end of the processing table, and the output end of the motor is fixedly connected to a second bevel gear. The surface of the second bevel gear is adapted to the surface of the first bevel gear, and the first bevel gear and the second bevel gear are meshed together.

[0011] Preferably, the clamping mechanism includes a clamping seat fixedly installed at one end of the support rod. The top of the clamping seat is provided with a clamping groove. A bidirectional lead screw is rotatably connected inside the clamping groove. One end of the bidirectional lead screw passes through one end of the clamping groove and extends to one end of the clamping seat, where a handle is fixedly connected.

[0012] Preferably, two sets of clamping blocks are adapted to each other at both ends inside the clamping groove. The two sets of clamping blocks are threadedly connected to both ends of the surface of the bidirectional lead screw, and the two sets of clamping blocks are slidably connected to the inside of the clamping groove through the bidirectional lead screw. A clamping plate is fixedly installed on the top of the clamping block.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This utility model, through the combined use of a fixing plate, a fixing block, and an installation mechanism, facilitates the installation or disassembly of the cutting blade, and makes it convenient to maintain or replace the cutting blade. The operation is simple, convenient, and quick. The installation mechanism can also be used to switch between different models of cutting blades, making it convenient to process sprues on different plastic products, thus increasing the practicality of the device.

[0015] 2. This utility model utilizes the combined use of a rotating table, a rotating mechanism, support rods, and a clamping mechanism. The rotating mechanism controls the rotation of the rotating table, which in turn drives the rotation of four clamping mechanisms via four sets of support rods. This improves the efficiency of sprue cutting on plastic products. Furthermore, the clamping mechanism allows for sprue cutting on plastic products of different specifications, increasing the adaptability of the device. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a front view of the structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the installation mechanism of this utility model;

[0019] Figure 4 This is a schematic diagram of the clamping mechanism of this utility model.

[0020] In the diagram: 1. Processing table; 2. Support column; 3. Support plate; 4. Telescopic rod; 5. Fixing plate; 6. Fixing block; 7. Cutting blade; 8. Installation mechanism; 801. Installation groove; 802. Threaded rod; 803. Rotating wheel; 804. Anti-slip block; 9. Rotating table; 10. Support rod; 11. Rotating mechanism; 111. Rotating rod; 112. First bevel gear; 113. Motor; 114. Second bevel gear; 12. Clamping mechanism; 121. Clamping seat; 122. Clamping groove; 123. Bidirectional lead screw; 124. Handle; 125. Clamping block; 126. Clamping plate. 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] Please see Figure 1-4 This utility model provides a technical solution: a sprue cutting device for injection molding of plastic products, including a processing table 1, a fixing component, a support column 2, a support plate 3, a telescopic rod 4, a fixing plate 5, a fixing block 6, a cutting blade 7, and an installation mechanism 8.

[0023] Preferably, a fixing component for fixing plastic products is provided on one side of the upper end of the processing table 1, and a support column 2 is fixedly installed on the other side of the upper end of the processing table 1. A support plate 3 is fixedly connected to the top of the support column 2. A telescopic rod 4 is fixedly installed at one end of the bottom of the support plate 3. A fixing plate 5 is fixedly connected to the telescopic end of the telescopic rod 4. Two sets of fixing blocks 6 are fixedly connected to the two ends of the bottom of the fixing plate 5. A cutting blade 7 is provided between the inner sides of the two sets of fixing blocks 6. Two sets of mounting mechanisms 8 are provided between the two ends of the cutting blade 7 and one side of the two sets of fixing blocks 6. The two ends of the cutting blade 7 are movably connected to one side of the two sets of fixing blocks 6 through the two sets of mounting mechanisms 8 respectively.

[0024] Specifically, the use of the fixing plate 5, fixing block 6 and mounting mechanism 8 makes it easy to install or remove the cutting blade 7, and facilitates the maintenance or replacement of the cutting blade 7. The operation is simple, convenient and quick. The mounting mechanism 8 can also be used to switch between different models of cutting blades 7, making it convenient to process the sprue of different plastic products, thus increasing the practicality of the device.

[0025] Preferably, the mounting mechanism 8 includes: a mounting groove 801, a threaded rod 802, a rotating wheel 803, and an anti-slip block 804. The mounting groove 801 is opened on one side of the fixing block 6. One end of the mounting groove 801 is rotatably connected to the threaded rod 802. One end of the threaded rod 802 passes through one end of the mounting groove 801 and extends to the top of one end of the fixing plate 5, where the rotating wheel 803 is fixedly connected. The other end of the threaded rod 802, located inside the mounting groove 801, is fixedly installed with the anti-slip block 804.

[0026] Preferably, the fixing components include: a rotating table 9, a rotating mechanism 11, support rods 10, and a clamping mechanism 12. The rotating table 9 is located on the top of the processing table 1. The rotating mechanism 11 is fixedly connected to the bottom of the rotating table 9. Four sets of support rods 10 are provided on the surface of the rotating table 9, and one end of the four sets of support rods 10 is fixedly installed in a ring array around the rotating table 9. The other end of the support rods 10 is connected to the clamping mechanism 12.

[0027] Specifically, through the coordinated use of the rotating table 9, the rotating mechanism 11, the support rods 10, and the clamping mechanism 12, the rotating mechanism 11 controls the rotating table 9 to rotate, which in turn drives the four clamping mechanisms 12 to rotate via the four sets of support rods 10. This improves the efficiency of sprue cutting on plastic products. Furthermore, the clamping mechanism 12 can be used to process sprues on plastic products of different specifications, increasing the adaptability of the device.

[0028] Preferably, the rotating mechanism 11 includes: a rotating rod 111, a first bevel gear 112, a motor 113, and a second bevel gear 114. The rotating rod 111 is rotatably connected to the upper end of the processing table 1. One end of the rotating rod 111 is fixedly installed at the bottom of the rotating table 9, and the other end of the rotating rod 111 is fixedly connected to the first bevel gear 112. The motor 113 is fixedly installed on the inner wall of the upper end of the processing table 1, and the output end of the motor 113 is fixedly connected to the second bevel gear 114. The surface of the second bevel gear 114 is adapted to the surface of the first bevel gear 112, and the first bevel gear 112 and the second bevel gear 114 are meshed together.

[0029] Preferably, the clamping mechanism 12 includes: a clamping seat 121, a clamping groove 122, a bidirectional lead screw 123, a handle 124, clamping blocks 125, and a clamping plate 126. The clamping seat 121 is fixedly installed on one end of the support rod 10. The clamping groove 122 is provided on the top of the clamping seat 121. The bidirectional lead screw 123 is rotatably connected inside the clamping groove 122. One end of the bidirectional lead screw 123 passes through one end of the clamping groove 122 and extends to one end of the clamping seat 121, where the handle 124 is fixedly connected. Two sets of clamping blocks 125 are adapted to each other at both ends inside the clamping groove 122. The two sets of clamping blocks 125 are threadedly connected to both ends of the surface of the bidirectional lead screw 123, and the two sets of clamping blocks 125 are slidably connected inside the clamping groove 122 through the bidirectional lead screw 123. The clamping plate 126 is fixedly installed on the top of the clamping block 125.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A sprue cutting device for injection molding of plastic products, characterized in that: The system includes a processing table (1), on one side of the upper end of the processing table (1) is a fixing component for fixing plastic products, and on the other side of the upper end of the processing table (1) is a support column (2). A support plate (3) is fixedly connected to the top of the support column (2). A telescopic rod (4) is fixedly installed at one end of the bottom of the support plate (3). A fixing plate (5) is fixedly connected to the telescopic end of the telescopic rod (4). Two sets of fixing blocks (6) are fixedly connected to the two ends of the bottom of the fixing plate (5). A cutting blade (7) is provided between the inner sides of the two sets of fixing blocks (6). Two sets of mounting mechanisms (8) are provided between the two ends of the cutting blade (7) and one side of the two sets of fixing blocks (6). The two ends of the cutting blade (7) are movably connected to one side of the two sets of fixing blocks (6) through the two sets of mounting mechanisms (8).

2. The sprue cutting device for injection molding of plastic products according to claim 1, characterized in that: The installation mechanism (8) includes an installation groove (801) opened on one side of the fixing block (6). One end of the installation groove (801) is rotatably connected to a threaded rod (802). One end of the threaded rod (802) passes through one end of the installation groove (801) and extends to the top of one end of the fixing plate (5) and is fixedly connected to a rotating wheel (803). The other end of the threaded rod (802) and located inside the installation groove (801) is fixedly installed with an anti-slip block (804).

3. The sprue cutting device for injection molding of plastic products according to claim 1, characterized in that: The fixing component includes a rotating platform (9) located on the top of the processing table (1). A rotating mechanism (11) is fixedly connected to the bottom of the rotating platform (9). Four sets of support rods (10) are provided on the surface of the rotating platform (9). One end of the four sets of support rods (10) is fixedly installed in a ring array around the rotating platform (9). The other end of the support rods (10) is connected to a clamping mechanism (12).

4. The sprue cutting device for injection molding of plastic products according to claim 3, characterized in that: The rotating mechanism (11) includes a rotating rod (111) rotatably connected to the upper end of the processing table (1). One end of the rotating rod (111) is fixedly installed at the bottom of the rotating table (9), and the other end of the rotating rod (111) is fixedly connected to a first bevel gear (112).

5. The sprue cutting device for injection molding of plastic products according to claim 4, characterized in that: The rotating mechanism (11) also includes a motor (113) fixedly installed on the inner wall of the upper end of the processing table (1). The output end of the motor (113) is fixedly connected to a second bevel gear (114). The surface of the second bevel gear (114) is adapted to the surface of the first bevel gear (112), and the first bevel gear (112) and the second bevel gear (114) are meshed together.

6. The sprue cutting device for injection molding of plastic products according to claim 3, characterized in that: The clamping mechanism (12) includes a clamping seat (121) fixedly installed at one end of the support rod (10). The top of the clamping seat (121) is provided with a clamping groove (122). A bidirectional lead screw (123) is rotatably connected inside the clamping groove (122). One end of the bidirectional lead screw (123) passes through one end of the clamping groove (122) and extends to one end of the clamping seat (121), where a handle (124) is fixedly connected.

7. The sprue cutting device for injection molding of plastic products according to claim 6, characterized in that: Two sets of clamping blocks (125) are adapted to each other at both ends inside the clamping groove (122). The two sets of clamping blocks (125) are respectively threaded to both ends of the surface of the bidirectional lead screw (123), and the two sets of clamping blocks (125) are slidably connected to the inside of the clamping groove (122) through the bidirectional lead screw (123). A clamping plate (126) is fixedly installed on the top of the clamping block (125).

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