Injection molding sprue shearing device

Abstract

The utility model provides an injection molding sprue shearing device which comprises a rack, a clamping mechanism and pneumatic scissors, wherein a bearing table is arranged on the rack; the clamping mechanism is located on the upper side of the bearing table and comprises a clamping piece and a driver, and the driver is in power coupling connection with the clamping piece; the pneumatic scissors are arranged on the rack and located on the side, close to the pouring gate, of the bearing table, a tool bit of the pneumatic scissors is arranged upwards, and the pneumatic scissors are gradually obliquely arranged in the direction close to the bearing table from bottom to top so that the tool bit can be upwards attached to the pouring gate. According to the injection molding pouring gate shearing device, after an injection molding product on the bearing table is pressed downwards through the clamping mechanism, a pouring gate on the injection molding product can be automatically sheared through the pneumatic scissors, so that the production efficiency is improved, the pneumatic scissors are obliquely arranged, the tool bit of the pneumatic scissors is attached to the pouring gate on the injection molding product, and the production efficiency is improved. Therefore, the sprue can be flatly cut off from an injection product, and the problem of sprue residues is avoided.

Description

Technical Field

[0001] The embodiments of the present utility model relate to the technical field of injection molding equipment, and in particular to an injection molding gate shearing device. Background Art

[0002] In the automotive industry, more and more products use injection molded products. After the injection molded products are completed, it is necessary to remove the injection molding gates. Most of the existing methods for removing injection molding gates are manual shearing. The method of manually shearing injection molding gates is not only time-consuming and laborious, costly, and has low stability of product quality, but also has many unsafe factors in manual operation. Summary of the Utility Model

[0003] The purpose of the embodiments of the present utility model is to provide an injection molding gate shearing device, aiming to solve the problems that the existing method of manually shearing injection molding gates is not only time-consuming and laborious, costly, and has low stability of product quality, but also has many unsafe factors in manual operation.

[0004] To solve the above technical problems, the embodiments of the present utility model provide an injection molding gate shearing device for shearing the gate on an injection molded product. The injection molding gate shearing device includes:

[0005] A frame, on which a bearing table is arranged. The upper surface of the bearing table is used to bear the injection molded product so that the gate on the injection molded product faces downward and is exposed;

[0006] A clamping mechanism, which is arranged on the frame. The clamping mechanism is located above the bearing table. The clamping mechanism includes a clamping member and a driver. The driver is power-coupled to the clamping member and is used to drive the clamping member to move up and down through the driver so as to clamp and fix the injection molded product with the bearing table from above and below;

[0007] A pneumatic scissors, which is arranged on the frame. The pneumatic scissors is located on one side of the bearing table close to the gate. The cutting head of the pneumatic scissors is arranged upward, and the pneumatic scissors is arranged to be gradually inclined in the direction approaching the bearing table from bottom to top so that the cutting head faces upward and is close to the gate.

[0008] After the injection gate shearing device of the present utility model presses the injection product on the bearing table downward through the clamping mechanism, the pneumatic scissors can automatically shear the gate on the injection product, thereby improving the production efficiency. And the pneumatic scissors are inclined to make the cutting head of the pneumatic scissors fit the gate on the injection product, so that the gate can be sheared off the injection product smoothly without the problem of gate residue. The injection gate shearing device can achieve high-precision shearing, which can ensure the consistency and accuracy of the product. Using the injection gate shearing device to shear the product can avoid the unsafe factors of manual operation and reduce the risk of operators being injured due to improper operation.

[0009] Preferably, a discharge groove corresponding to the gate is provided on the upper surface of the bearing table, and the discharge groove penetrates the lower surface of the bearing table. A residue box is provided on the frame, and the residue box is located below the discharge groove, so that the residue sheared off the injection product by the pneumatic scissors can fall into the residue box after passing through the discharge groove.

[0010] Preferably, a guiding inclined surface opposite to the gate up and down is provided on the inner side wall of the discharge groove, and the guiding inclined surface is inclined downward and gradually away from the cutting head.

[0011] Preferably, the frame includes a base, the bearing table is located above the base, and the residue box is inserted between the base and the bearing table, where:

[0012] A baffle is convexly provided upward on the side wall of the residue box away from the pneumatic scissors, and the baffle abuts against the side of the bearing table away from the pneumatic scissors; and / or,

[0013] Support columns are provided between the base and the bearing table, and the support columns are provided on both opposite sides of the residue box to limit the residue box in the direction perpendicular to the insertion direction of the residue box through the support columns.

[0014] Preferably, an avoidance groove corresponding to the pneumatic scissors is provided on the side surface of the bearing table close to the pneumatic scissors, and the avoidance groove penetrates the upper surface and the lower surface of the bearing table, and the upper end of the avoidance groove communicates with the discharge groove.

[0015] Preferably, a cutting head inclined surface is provided on the part of the cutting head close to the surface of the injection product where the gate is provided, so that the cutting head inclined surface fits the surface of the injection product where the gate is provided.

[0016] Preferably, a support boss adapted to the shape of the injection product is convexly provided on the upper surface of the bearing table to support the injection product through the support boss; and / or,

[0017] A receiving groove adapted to the shape of the injection molded product is provided on the lower surface of the clamping member, and the receiving groove is used to receive the injection molded product to limit the injection molded product.

[0018] Preferably, a limiting groove corresponding to the protrusion on the injection molded product is provided on the upper surface of the support boss, and the limiting groove is used to receive the protrusion on the injection molded product to limit the injection molded product.

[0019] Preferably, a positioning protrusion is provided on one of the upper surface of the bearing platform and the lower surface of the clamping member, and a positioning groove for positioning and cooperating with the positioning protrusion is provided on the other.

[0020] Preferably, the clamping mechanism further includes a mounting plate. The clamping member is disposed on the lower surface of the mounting plate. A shock absorber facing downward is provided on the lower surface of the mounting plate, and an abutting post for abutting against the shock absorber is provided on the upper surface of the bearing platform. Description of the Drawings

[0021] One or more embodiments are illustrated by way of example in the accompanying drawings, which do not constitute a limitation to the embodiments. Elements with the same reference numerals in the drawings are represented as similar elements, unless otherwise stated, and the drawings in the figures do not constitute a scale limitation.

[0022] Figure 1 It is a schematic structural diagram of an injection gate shearing device provided by an embodiment of the present invention;

[0023] Figure 2 It is Figure 1 a schematic structural diagram of the injection gate shearing device in another perspective in

[0024] Figure 3 It is Figure 2 a partial enlarged view of part A in

[0025] Figure 4 It is Figure 1 a schematic structural diagram of the bearing platform in

[0026] Figure 5 It is Figure 1 a schematic structural diagram of the injection molded product in

[0027] Explanation of the reference numerals in the drawings of the present invention:

[0028] Injection Mold Gate Shearing Device 100, Frame 1, Base 11, Support Column 12, Top Plate 13, Pillar 14, Support Foot 15, Guard Plate 16, Bush 17, Carrying Platform 2, Discharge Groove 21, Guide Inclined Plane 22, Avoidance Groove 23, Support Boss 24, Limit Groove 25, Positioning Projection 26, Contact Column 27, Clamping Mechanism 3, Clamping Member 31, Driver 32, Accommodation Groove 33, Positioning Groove 34, Mounting Plate 35, Shock Absorber 36, Guide Shaft 37, Pneumatic Scissors 4, Blade Tip 41, Blade Tip Inclined Plane 42, Scrap Box 5, Edge 51, Injection Molded Product 200, Gate 210, Protrusion 220, Product Groove 230.

[0029] The realization of the purpose, functional features and advantages of the present utility model will be further described with reference to the embodiments and the accompanying drawings. Specific Embodiments

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present utility model.

[0031] It should be noted that if there are directional indications (such as up, down, left, right, front, back...) in the embodiments of the present utility model, the directional indications are only used to explain the relative position relationship and movement conditions between components in a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0032] In addition, if there are descriptions such as "first", "second" in the embodiments of the present utility model, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

[0033] The present utility model provides an injection mold gate shearing device, which can be used to shear the gate on the injection molded product. Figures 1 to 5 A preferred embodiment of the injection mold gate shearing device provided by the present utility model is shown.

[0034] Please refer to Figures 1 to 5, in this embodiment, the injection gate shearing device 100 includes a frame 1, a clamping mechanism 3 and a pneumatic scissors 4.

[0035] Please refer to Figures 1 to 5 , a bearing platform 2 is arranged on the frame 1, and the upper surface of the bearing platform 2 is used to bear the injection product 200, so that the gate 210 on the injection product 200 faces downward and is exposed.

[0036] Specifically, the injection product 200 is processed and formed by an injection molding process. A gate 210 is formed on the injection product 200, and the specific style of the injection product 200 can be set according to the actual situation. Optionally, please refer to Figures 1 to 5 , in this embodiment, a product groove 230 is arranged on the lower surface of the injection product 200. The product groove 230 is gradually expanded outward from top to bottom. The gate 210 is arranged on the front groove side wall of the product groove 230, and the rear groove side wall of the product groove 230 is open.

[0037] When the injection product 200 is placed on the upper surface of the bearing platform 2, the notch of the product groove 230 faces downward, and an avoidance structure is arranged on the bearing platform 2 corresponding to the front groove side wall of the product groove 230, so that the gate 210 on the front groove side wall of the product groove 230 can be exposed downward.

[0038] Optionally, please refer to Figures 1 to 5 , in this embodiment, a support boss 24 adapted to the shape of the injection product 200 protrudes from the upper surface of the bearing platform 2 to bear the injection product 200 through the support boss 24.

[0039] Specifically, by arranging the support boss 24 on the upper surface of the bearing platform 2, the installation and positioning of the injection product 200 on the bearing platform 2 can be realized. And the support boss 24 is only arranged corresponding to the rear end of the injection product 200, so that the rear end of the injection product 200 can be lifted by the support boss 24, making the front end of the injection product 200 suspended, so that the gate 210 located on the front groove side wall of the product groove 230 can be exposed downward.

[0040] Furthermore, please refer to Figures 1 to 5 , in this embodiment, a limiting groove 25 corresponding to the protrusion 220 on the injection product 200 is arranged on the upper surface of the support boss 24. The limiting groove 25 is used to accommodate the protrusion 220 on the injection product 200 to limit the injection product 200.

[0041] Specifically, a protrusion 220 is provided on the bottom wall of the product groove 230 and near the rear open end of the product groove 230. When the injection molded product 200 is placed on the upper surface of the carrier 2, the protrusion 220 on the injection molded product 200 can extend into the limiting groove 25 on the supporting boss 24, so that through the cooperation of the protrusion 220 and the limiting groove 25, the injection molded product 200 on the carrier 2 can be limited horizontally.

[0042] The specific style of the frame 1 can be set according to the actual situation. Optionally, please refer to Figures 1 to 5 , in this embodiment, the frame 1 includes a base 11, a top plate 13, columns 14 and guard plates 16. The top plate 13 is located above the base 11. There are two guard plates 16 and two columns 14 provided between the top plate 13 and the base 11. The two guard plates 16 are spaced opposite to each other left and right. The two columns 14 are located between the two guard plates 16. The two columns 14 are respectively close to the two guard plates 16. A plurality of support feet 15 are provided on the lower surface of the base 11. The carrier 2 is arranged on the upper surface of the base 11.

[0043] Please refer to Figures 1 to 5 , the clamping mechanism 3 is arranged on the frame 1. The clamping mechanism 3 is located above the carrier 2. The clamping mechanism 3 includes a clamping member 31 and a driver 32. The driver 32 is power-coupled to the clamping member 31 and is used to drive the clamping member 31 to move up and down through the driver 32, so as to clamp and fix the injection molded product 200 up and down between the clamping member 31 and the carrier 2.

[0044] Specifically, the driver 32 of the clamping mechanism 3 is usually arranged on the top plate 13 of the frame 1. The driver 32 can be a cylinder, a hydraulic cylinder or a motor, etc. Through the driver 32, the clamping member 31 can be driven to move up and down relative to the carrier 2. Within the moving stroke of the clamping member 31, the clamping member 31 has a standby position and a pressing position. The driver 32 can drive the clamping member 31 located at the standby position to move downward to the pressing position, and the driver 32 can also drive the clamping member 31 located at the pressing position to move upward to the standby position. When the clamping member 31 is located at the standby position, the clamping member 31 is located at a preset height above the carrier 2. When the clamping member 31 is located at the pressing position, the clamping member 31 abuts against the upper side of the injection molded product 200 placed on the carrier 2, so as to clamp and fix the injection molded product 200 up and down between the clamping member 31 and the carrier 2.

[0045] Optionally, please refer to Figures 1 to 5 , in this embodiment, a receiving groove 33 adapted to the shape of the injection molded product 200 is provided on the lower surface of the clamping member 31. The receiving groove 33 is used to receive the injection molded product 200 to limit the injection molded product 200.

[0046] Specifically, when the clamping member 31 is in the pressing position, the injection molded product 200 placed on the carrier 2 extends into the receiving groove 33, and the inner groove wall of the receiving groove 33 can be attached to the upper surface of the injection molded product 200. Thus, by providing the receiving groove 33 on the lower surface of the clamping member 31, the clamping member 31 can be better attached to the injection molded product 200 to prevent the injection molded product 200 from warping.

[0047] Optionally, please refer to Figures 1 to 5 , in this embodiment, a positioning protrusion 26 is provided on one of the upper surface of the carrier 2 and the lower surface of the clamping member 31, and a positioning groove 34 that is in positioning cooperation with the positioning protrusion 26 is provided on the other.

[0048] Specifically, the positioning protrusion 26 can be provided on the upper surface of the carrier 2, and the positioning groove 34 is correspondingly provided on the lower surface of the clamping member 31; the positioning protrusion 26 can also be provided on the lower surface of the clamping member 31, and the positioning groove 34 is correspondingly provided on the upper surface of the carrier 2. Hereinafter, an example in which the carrier 2 is provided with the positioning protrusion 26 and the clamping member 31 is correspondingly provided with the positioning groove 34 will be introduced. When the clamping member 31 is in the pressing position, the positioning protrusion 26 on the carrier 2 enters the positioning groove 34 on the clamping member 31, thereby realizing the positioning between the carrier 2 and the clamping member 31 in the pressing position.

[0049] One or more positioning protrusions 26 can be provided on the carrier 2. Optionally, please refer to Figures 1 to 5 , in this embodiment, two positioning protrusions 26 are provided on the carrier 2, and the two positioning protrusions 26 are respectively located on the left and right sides of the support boss 24. The clamping member 31 is correspondingly provided with two positioning grooves 34 for the two positioning protrusions 26.

[0050] Optionally, please refer to Figures 1 to 5 , in this embodiment, the clamping mechanism 3 further includes a mounting plate 35. The clamping member 31 is provided on the lower surface of the mounting plate 35. A shock absorber 36 facing downward is provided on the lower surface of the mounting plate 35, and an abutting column 27 that abuts against the shock absorber 36 is provided on the upper surface of the carrier 2.

[0051] Specifically, the mounting plate 35 is provided at the driving end of the driver 32, and the driver 32 can drive the mounting plate 35 and the clamping member 31 to move up and down integrally. When the clamping member 31 is in the pressing position, the lower end of the shock absorber 36 elastically abuts against the upper end of the abutting column 27. Thus, by providing the shock absorber 36 on the mounting plate 35, the problem of the clamping member 31 damaging the injection molded product 200 can be avoided.

[0052] One or more shock absorbers 36 can be provided on the clamping member 31. Optionally, please refer to Figures 1 to 5, in this embodiment, two shock absorbers 36 are provided on the lower surface of the mounting plate 35, and the two shock absorbers 36 are respectively located on the left and right sides of the clamping member 31.

[0053] Optionally, please refer to Figures 1 to 5 , in this embodiment, a bushing 17 is provided on the top plate 13, and the clamping mechanism 3 includes a guide shaft 37. The upper end of the guide shaft 37 forms a sliding guide fit with the bushing 17, and the lower end of the guide shaft 37 is arranged on the mounting plate 35. Through the guiding fit between the guide shaft 37 and the bushing 17, the up-and-down movement guiding of the clamping member 31 can be realized, and the clamping member 31 can move up and down smoothly.

[0054] Please refer to Figures 1 to 5 , the pneumatic scissors 4 are arranged on the frame 1. The pneumatic scissors 4 are located on one side of the carrier 2 close to the gate 210. The cutter head 41 of the pneumatic scissors 4 is arranged upward, and the pneumatic scissors 4 are arranged obliquely upward gradually in the direction close to the carrier 2, so that the cutter head 41 faces upward and is close to the gate 210.

[0055] Specifically, the pneumatic scissors 4 are arranged on the base 11 of the frame 1 with the cutter head 41 facing upward, and the pneumatic scissors 4 are located on the front side of the carrier 2. Since the pneumatic scissors 4 are arranged obliquely forward gradually from top to bottom, the cutter head 41 of the pneumatic scissors 4 can extend upward into the product groove 230, and the cutter head 41 of the pneumatic scissors 4 can fit the gate 210 on the injection molded product 200. After the injection molded product 200 on the carrier 2 is pressed down by the clamping mechanism 3, the pneumatic scissors 4 can automatically cut the gate 210 on the injection molded product 200, and the gate 210 can be cut off from the injection molded product 200 smoothly without the problem of gate 210 residue.

[0056] Optionally, please refer to Figures 1 to 5 , in this embodiment, a cutter head inclined surface 42 is provided on the part of the surface of the cutter head 41 close to the injection molded product 200 where the gate 210 is located, so that the cutter head inclined surface 42 fits the surface of the injection molded product 200 where the gate 210 is located.

[0057] Specifically, the cutter head inclined surface 42 is arranged obliquely forward gradually from top to bottom. By providing the cutter head inclined surface 42 at the cutter head 41 of the pneumatic scissors 4, the cutter head 41 of the pneumatic scissors 4 can fit the gate 210 on the injection molded product 200 better, and there is no easy interference between the cutter head 41 of the pneumatic scissors 4 and the front groove side wall of the product groove 230.

[0058] After the injection gate shearing device 100 of the present utility model presses down the injection product 200 on the bearing platform 2 through the clamping mechanism 3, the pneumatic scissors 4 can automatically shear the gate 210 on the injection product 200, thereby improving the production efficiency. And the pneumatic scissors 4 are inclined to make the cutter head 41 of the pneumatic scissors 4 fit the gate 210 on the injection product 200, so that the gate 210 can be sheared off the injection product 200 smoothly without the problem of gate 210 residue. The injection gate shearing device 100 can achieve high-precision shearing, which can ensure the consistency and accuracy of the product. Using the injection gate shearing device 100 to shear the product can avoid the unsafe factors of manual operation and reduce the risk of operators being injured due to improper operation.

[0059] Scraps are formed by shearing the gate 210 on the injection product 200 with the pneumatic scissors 4. In order to prevent the scraps sheared off the injection product 200 by the pneumatic scissors 4 from flying everywhere. Optionally, please refer to Figures 1 to 5 , in this embodiment, a discharge groove 21 corresponding to the gate 210 is provided on the upper surface of the bearing platform 2, and the discharge groove 21 penetrates the lower surface of the bearing platform 2. A scrap box 5 is provided on the frame 1, and the scrap box 5 is located below the discharge groove 21, so that the scraps sheared off the injection product 200 by the pneumatic scissors 4 can fall into the scrap box 5 after passing through the discharge groove 21.

[0060] Specifically, the scrap box 5 is provided with an upward opening, and the scrap box 5 is located directly below the discharge groove 21, so that the scrap box 5 is communicated with the lower end of the discharge groove 21. The scraps sheared off the injection product 200 by the pneumatic scissors 4 can automatically fall under the action of gravity, and the falling scraps can fall into the scrap box 5 after passing through the discharge groove 21, thus preventing the scraps from flying everywhere.

[0061] Furthermore, please refer to Figures 1 to 5 , in this embodiment, a guiding inclined surface 22 opposite to the gate 210 up and down is provided on the inner groove side wall of the discharge groove 21, and the guiding inclined surface 22 is inclined downward from top to bottom gradually in a direction away from the cutter head 41.

[0062] Specifically, the guiding inclined surface 22 is opposite to the gate 210 on the injection product 200 up and down, and the guiding inclined surface 22 inclines backward gradually from top to bottom. The falling scraps will fall onto the guiding inclined surface 22, and the scraps can be guided into the scrap box 5 through the guiding inclined surface 22.

[0063] Optionally, please refer to Figures 1 to 5 , in this embodiment, an avoidance groove 23 corresponding to the pneumatic scissors 4 is provided on the side surface of the bearing platform 2 close to the pneumatic scissors 4. The avoidance groove 23 penetrates the upper surface and the lower surface of the bearing platform 2, and the upper end of the avoidance groove 23 is communicated with the discharge groove 21.

[0064] Specifically, an avoidance groove 23 is provided on the front side of the carrier table 2. The avoidance groove 23 penetrates the carrier table 2 vertically, so that the avoidance groove 23 is provided on the carrier table 2, facilitating the cutter head 41 of the pneumatic scissors 4 to approach the gate 210 on the injection molded product 200.

[0065] Optionally, please refer to Figures 1 to 5 , in this embodiment, the carrier table 2 is located above the base 11, and the residue box 5 is inserted between the base 11 and the carrier table 2.

[0066] Specifically, the residue box 5 is inserted between the base 11 and the carrier table 2, and the residue box 5 is limited in the up and down directions by the base 11 and the carrier table 2. In this way, the residue box 5 can be pulled out from between the base 11 and the carrier table 2 to facilitate emptying the residues collected in the residue box 5. After emptying the residue box 5, the residue box 5 can be inserted between the base 11 and the carrier table 2 again.

[0067] Further, please refer to Figures 1 to 5 , in this embodiment, support columns 12 are provided between the base 11 and the carrier table 2, and support columns 12 are provided on both opposite sides of the residue box 5 to limit the residue box 5 in the direction perpendicular to the insertion direction of the residue box 5 through the support columns 12.

[0068] Specifically, the insertion direction of the residue box 5 is forward, and support columns 12 are provided on both the left and right sides of the residue box 5. In this way, the residue box 5 can be limited in the left and right directions through the support columns 12.

[0069] Optionally, please refer to Figures 1 to 5 , in this embodiment, a baffle 51 protrudes upward from the box side wall of the residue box 5 away from the pneumatic scissors 4, and the baffle 51 abuts against the side of the carrier table 2 away from the pneumatic scissors 4.

[0070] Specifically, the rear box side wall of the residue box 5 extends upward to form a baffle 51. When the residue box 5 is inserted between the base 11 and the carrier table 2, the baffle 51 abuts against the rear side of the carrier table 2. In this way, through the abutting cooperation between the baffle 51 and the carrier table 2, the insertion positioning of the residue box 5 in the front and back directions can be realized.

[0071] The injection gate shearing device 100 has many advantages such as high efficiency, precision, and safety, and has a wide range of application scenarios in the injection molding industry. The operation of the injection gate shearing device 100 is simple, there is no residue at the gate, and it saves time and effort. The injection gate shearing device 100 can improve efficiency, reduce costs, and make the product quality more stable.

[0072] The above are only the preferred embodiments of the present utility model, and do not thus limit the patent scope of the present utility model. Any equivalent structural transformation made under the inventive concept of the present utility model by using the content of the specification and drawings of the present utility model, or any direct / indirect application in other related technical fields shall be included within the patent protection scope of the present utility model.

Claims

1. An injection molding gate shearing device, used for shearing the gate on an injection molding product, characterized in that: The injection gate shearing device comprises: A frame, wherein a bearing platform is provided on the frame, and an upper surface of the bearing platform is used to bear the injection molded product so that a gate on the injection molded product is exposed downward; A clamping mechanism, wherein the clamping mechanism is arranged on the frame, the clamping mechanism is located on the upper side of the carrying platform, the clamping mechanism comprises a clamping member and a driver, the driver is dynamically coupled to the clamping member, and is used to drive the clamping member to move up and down through the driver, so as to clamp and fix the injection molded product up and down through the clamping member and the carrying platform; Pneumatic scissors, the pneumatic scissors are arranged on the frame, the pneumatic scissors are located on the side of the supporting platform close to the gate, the blade of the pneumatic scissors is arranged upward, and the pneumatic scissors are arranged to be gradually inclined from bottom to top toward the direction close to the supporting platform so that the blade is facing upward and close to the gate.

2. The injection molding gate shearing device according to claim 1, characterized in that: A discharge trough is provided on the upper surface of the supporting platform corresponding to the gate, and the discharge trough runs through the lower surface of the supporting platform. A residual material box is provided on the frame, and the residual material box is located at the lower side of the discharge trough, so that the residual material cut off from the injection molded product by the pneumatic scissors can fall into the residual material box after passing through the discharge trough.

3. The injection molding gate shearing device according to claim 2, characterized in that: A guiding slope which is opposite to the gate up and down is arranged on the inner groove side wall of the discharge groove, and the guiding slope is arranged to be gradually inclined from top to bottom in a direction away from the cutter head.

4. The injection molding gate shearing device according to claim 2, characterized in that: The frame includes a base, the bearing platform is located on the upper side of the base, and the residual material box is inserted between the base and the bearing platform, wherein: A rib is protruding upwards on the side wall of the residual material box away from the pneumatic scissors, and the rib abuts against a side of the supporting platform away from the pneumatic scissors; and / or, A support column is arranged between the base and the supporting platform, and the support columns are arranged on the opposite sides of the waste material box, so that the waste material box can be limited in a direction perpendicular to the insertion direction of the waste material box by the support columns.

5. The injection molding gate shearing device according to claim 2, characterized in that: An avoidance groove is arranged on the side of the supporting platform close to the pneumatic scissors corresponding to the pneumatic scissors, the avoidance groove runs through the upper surface and the lower surface of the supporting platform, and the upper end of the avoidance groove is connected to the discharge chute.

6. The injection molding gate shearing device according to claim 1, characterized in that: A portion of the cutter head close to the surface of the injection molded product where the gate is provided is provided with a cutter head inclined surface so that the cutter head inclined surface fits the surface of the injection molded product where the gate is provided.

7. The injection molding gate shearing device according to claim 1, characterized in that: A supporting boss matched with the shape of the injection molded product is convexly provided on the upper surface of the carrying platform, so that the injection molded product can be carried by the supporting boss; and / or, A receiving groove matched with the shape of the injection-molded product is arranged on the lower surface of the clamping member, and the receiving groove is used to receive the injection-molded product so as to limit the position of the injection-molded product.

8. The injection molding gate shearing device according to claim 7, characterized in that: A limiting groove is provided on the upper surface of the supporting boss corresponding to the protrusion on the injection molded product, and the limiting groove is used to accommodate the protrusion on the injection molded product to limit the injection molded product.

9. The injection molding gate shearing device according to claim 1, characterized in that: One of the upper surface of the bearing platform and the lower surface of the clamping member is provided with a positioning protrusion, and the other is provided with a positioning groove which is positioned and matched with the positioning protrusion.

10. The injection molding gate shearing device according to claim 1, characterized in that: The clamping mechanism also includes a mounting plate, the clamping member is arranged on the lower surface of the mounting plate, a downward shock absorber is arranged on the lower surface of the mounting plate, and an abutment column abutting against the shock absorber is arranged on the upper surface of the supporting platform.

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