CN220146666U - Shaping and correcting jig for long injection molding part - Google Patents

Abstract

The utility model provides a plastic correction fixture for long injection molded parts, which includes a workbench. Legs are fixed on both sides of the bottom end of the workbench. A groove is provided at the top of the workbench. The bottom of the groove is There is a placement slot on one side of the end, and a molding is provided in the placement slot. The hinge seat is hinged with a hinge rod. The front and rear ends of the hinge rod bottom end are fixedly connected with connecting rods. The two connecting rods are The bottom ends are fixedly connected with pressure rods, and a set of springs are fixedly connected to the front and rear sides of the top of the workbench. The tops of the two sets of springs are jointly connected to a T-shaped correction plate. In this utility model, by pressing the hinged rod, The hinged rod drives the pressure rod to rotate downward, and the pressure rod enters the arc-shaped groove and squeezes the T-shaped correction plate. The T-shaped correction plate squeezes and corrects the long injection molded product so that the overall flatness of the product meets the requirements. Improve product qualification rate.

Description

A plastic correction fixture for long injection molded parts

Technical field

The utility model belongs to the technical field of correction fixtures for injection molded parts, and specifically relates to a plastic correction fixture for long injection molded parts.

Background technique

Injection molded products refer to products that are heated and plasticized by an injection molding machine, and then injected into the cavity of the mold for molding. After cooling, the melt is solidified and then demoulded. The injection molded products are often There will be injection molded products with uneven surfaces. At present, long-shaped injection molded products will undergo certain shrinkage and deformation during the cooling process after being taken out of the mold after injection molding, resulting in their flatness not meeting the requirements and becoming defective products. For this reason, we provide a plastic correction method for long-shaped injection molded parts. Fixtures solve the above problems.

Utility model content

The purpose of this utility model is to make up for the shortcomings of the existing technology and provide a plastic correction fixture for elongated injection molded parts.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

A plastic correction fixture for long injection molded parts, including a workbench. Legs are fixed on both sides of the bottom end of the workbench. A groove is provided at the top of the workbench. One side of the bottom end of the groove is provided with There is a placement groove, a molding is provided in the placement groove, and a correction mechanism is provided on the top of the workbench;

The correction mechanism includes a hinge seat fixed on the top of the workbench. The hinge seat is hinged with a hinge rod. The front and rear ends of the hinge rod are fixedly connected with connecting rods. The bottom ends of the two connecting rods are both fixed. A pressure bar is fixedly connected, and a set of springs are fixedly connected to the front and rear sides of the top of the workbench. The tops of the two sets of springs are jointly fixed with a T-shaped correction plate, and the top of the T-shaped correction plate is provided with an arc. shaped groove.

As a preferred solution of this embodiment, a grinding mechanism is provided on the side of the top of the workbench away from the molded part; the grinding mechanism includes a motor fixed on the bottom of the workbench, and the bottom of the groove is on the side away from the placement groove. A movable slot is provided, a rotating shaft is fixed on the top of the motor, an incomplete gear is fixed on the top of the rotating shaft, and a moving sleeve is provided on the outside of the incomplete gear.

As a preferred solution of this embodiment, a set of teeth are fixed on the front and rear sides of the moving sleeve, a straight rod is fixed on the side of the moving sleeve close to the molded part, and the straight rod is fixed on the side away from the moving sleeve. A grinding block is fixedly connected to the side.

As a preferred solution of this embodiment, an L-shaped butt bar is rotatably connected to the front side of the top of the workbench.

As a preferred solution of this embodiment, an elastic sleeve is fixed on the outside of the top end of the hinge rod.

As a preferred solution of this embodiment, limit grooves are provided on both front and rear sides of the groove, limit rods are fixed on the front and rear ends of the moving sleeve, and the other ends of the limit rods extend to the limit slot and slidingly connected with it.

As a preferred solution of this embodiment, a positioning groove is provided on the side of the top end of the workbench close to the T-shaped correction plate, and the positioning groove is connected with the groove.

As a preferred solution of this embodiment, a bottom opening is provided on the side of the bottom end of the workbench close to the T-shaped correction plate, and the bottom opening is connected with the placement groove.

Compared with the existing technology, the utility model has the following beneficial effects:

(1) The plastic correction fixture for long injection molded parts according to the present invention presses the hinged rod so that the hinged rod drives the pressure rod to rotate downward, and the pressure rod enters the arc-shaped groove and squeezes the T-shaped correction plate. The T-shaped correction plate extrudes and corrects long injection molded products to make the overall flatness of the product meet the requirements and improve the product qualification rate.

(2) The plastic correction jig for long injection molded parts according to the present invention drives the rotating shaft to rotate through the output end of the motor. The rotating shaft drives the incomplete gear to rotate, and the incomplete gear drives the clamping teeth to move, so that the grinding block can move back and forth, thereby Polishing the burrs on the surface of long injection molded products will help improve the quality of long injection molded products.

Description of the drawings

Figure 1 is a schematic diagram of the three-dimensional structure of the utility model;

Figure 2 is a schematic structural diagram of the correction mechanism in the present utility model;

Figure 3 is a schematic structural diagram of the grinding mechanism of the present utility model;

Figure 4 is a schematic structural diagram of the workbench in the present utility model.

Shown in the picture: 1. Workbench, 2. Legs, 3. Groove, 4. Placement slot, 5. Molding parts, 6. Correction mechanism, 61. Hinge seat, 62. Hinge rod, 63. Connecting rod, 64. Pressure rod, 65. Spring, 66. T-shaped correction plate, 67. Arc groove, 7. Grinding mechanism, 70. Motor, 71. Movable groove, 72. Rotating shaft, 73. Incomplete gear, 74. Moving sleeve , 75. Teeth, 76. Straight rod, 77. Grinding block, 8. L-shaped backing rod, 9. Elastic sleeve, 10. Limiting rod, 11. Limiting groove, 12. Positioning groove, 13. Bottom opening.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Referring to Figures 1 to 4, an embodiment of the present invention provides a plastic correction fixture for elongated injection molded parts, which includes a workbench 1. Legs 2 are fixedly connected to both sides of the bottom end of the workbench 1. The workbench 1 A groove 3 is provided at the top of the groove 3. A placement groove 4 is provided on one side of the bottom of the groove 3. A molding 5 is provided in the placement groove 4. A positioning groove 12 is provided on one side of the top of the workbench 1 close to the T-shaped correction plate 66. And the positioning groove 12 is connected with the groove 3. Put one end of the long injection molded product into the positioning groove 12, and then slowly push it into the groove 3. At this time, it can ensure that the end of the long injection molded product can accurately enter the placement groove. Within 4.

Please refer to Figure 2. The top of the workbench 1 is provided with a correction mechanism 6. The correction mechanism 6 includes a hinge seat 61 fixed on the top of the workbench 1. The hinge seat 61 is hinged with a hinge rod 62, and the outer side of the top of the hinge rod 62 is fixed. It is connected with an elastic sleeve 9. The design of the elastic sleeve 9 can improve the comfort of people pressing the hinge rod 62. The front and rear ends of the hinge rod 62 are fixedly connected with connecting rods 63, and the bottom ends of the two connecting rods 63 are fixedly connected. There is a pressure bar 64, and a set of springs 65 are fixed on the front and rear sides of the top of the workbench 1. The tops of the two sets of springs 65 are jointly fixed with a T-shaped correction plate 66, and the top of the T-shaped correction plate 66 is provided with an arc groove. 67. The front side of the top of the workbench 1 is rotatably connected to the L-shaped butt bar 8. After pressing the hinge lever 62, rotate the L-shaped butt bar 8 so that the horizontal end of the L-shaped butt bar 8 faces the hinged lever 62 in the pressed state. Fix it so that it can maintain the state of correcting the long injection molded product. A bottom opening 13 is provided at the bottom of the workbench 1 close to the T-shaped correction plate 66, and the bottom opening 13 is connected with the placement groove 4. After correction, Use your hands to push up the long injection molded product from the bottom opening 13 to facilitate the removal of the long injection molded product.

When working, slowly slide the molded part 5 from the side of the groove 3 into the placement groove 4, press the top of the hinge rod 62 downward, the hinge rod 62 drives the connecting rod 63 to rotate downward around the hinge seat 61, and the connecting rod 63 The pressure rod 64 is driven to rotate downward, and the pressure rod 64 enters the arc groove 67 and squeezes the T-shaped correction plate 66 downward. The T-shaped correction plate 66 moves downward under pressure, the spring 65 is compressed, and the T-shaped correction plate 66 is compressed. The bottom of 66 enters the groove 3 and contacts the molded part 5, and performs extrusion, shaping and correction on it. Then, the correction fixture presses the hinge rod 62, so that the hinge rod 62 drives the pressure rod 64 to rotate downward, and the pressure rod 64 rotates downward. 64 enters the arc groove 67 and squeezes the T-shaped correction plate 66. The T-shaped correction plate 66 squeezes and corrects the long injection molded product, so that the overall flatness of the product meets the requirements and improves the pass rate of the product.

Please refer to Figures 3 and 4. There is a grinding mechanism 7 on the side of the top of the workbench 1 away from the molded part 5. The grinding mechanism 7 includes a motor 70 fixed on the bottom of the workbench 1. The bottom of the groove 3 is away from the placement groove. There is a movable groove 71 on one side of 4, a rotating shaft 72 is fixed on the top of the motor 70, an incomplete gear 73 is fixed on the top of the rotating shaft 72, a moving sleeve 74 is provided on the outside of the incomplete gear 73, and the front and rear inside the groove 3 Limiting grooves 11 are provided on both sides. The front and rear ends of the moving sleeve 74 are fixedly connected to the limiting rod 10, and the other end of the limiting rod 10 extends into the limiting groove 11 and is slidingly connected with it. During operation, the limiting rod 10 is fixedly connected to the limiting groove 11. The design of the positioning rod 10 and the limiting groove 11 can limit the position of the moving sleeve 74 to prevent the moving sleeve 74 from being separated from the movable groove 71. A set of teeth 75 are fixed on the front and rear sides of the moving sleeve 74, and the moving sleeve 74 can move A straight rod 76 is fixed on the side of the sleeve 74 close to the molded part 5 , and a grinding block 77 is fixed on the side of the straight rod 76 away from the moving sleeve 74 .

During operation, before correction, turn on the power of the motor 70. The output end of the motor 70 drives the rotating shaft 72 to rotate. The rotating shaft 72 drives the incomplete gear 73 to rotate. When the incomplete gear 73 meshes with the rear latch 75, The incomplete gear 73 drives the clamping teeth 75 to move to one side of the molded part 5, the clamping teeth 75 drive the moving sleeve 74 to move, the moving sleeve 74 drives the straight rod 76 to move, the straight rod 76 drives the grinding block 77 to move, and the grinding block 77 pairs with the elongated shape. The burrs on the surface of the injection molded product are polished. When the incomplete gear 73 separates from the rear retaining teeth 75, the incomplete gear 73 just meshes with the front retaining teeth 75. At this time, the grinding block 77 moves to one side of the incomplete gear 73. Move, at this time, as the motor 70 continues to rotate, the polishing block 77 continuously polishes the surface of the elongated injection molded product, and then the structure drives the rotating shaft 72 to rotate through the output end of the motor 70, and the rotating shaft 72 drives the incomplete gear 73 to rotate. The gear 73 drives the latch 75 to move, so that the grinding block 77 can move back and forth, thereby grinding the burrs on the surface of the long injection molded product, which is beneficial to improving the quality of the long injection molded product.

The working principle of the utility model is: when working, before correction, turn on the power of the motor 70, the output end of the motor 70 drives the rotating shaft 72 to rotate, the rotating shaft 72 drives the incomplete gear 73 to rotate, when the incomplete gear 73 and the rear When the side clamping teeth 75 are engaged, the incomplete gear 73 drives the clamping teeth 75 to move to one side of the molded part 5, the clamping teeth 75 drive the moving sleeve 74 to move, the moving sleeve 74 drives the straight rod 76 to move, and the straight rod 76 drives the grinding block 77 Move, the grinding block 77 grinds the burrs on the surface of the long injection molded product. When the incomplete gear 73 separates from the rear latching teeth 75, the incomplete gear 73 just meshes with the front latching teeth 75. At this time, the grinding block 77 Move to one side of the incomplete gear 73. At this time, as the motor 70 continues to rotate, the grinding block 77 continuously polishes the surface of the long injection molded product. Then, this structure drives the rotating shaft 72 to rotate through the output end of the motor 70, and the rotating shaft 72 drives The incomplete gear 73 rotates, and the incomplete gear 73 drives the latch teeth 75 to move, so that the grinding block 77 can move back and forth, thereby polishing the burrs on the surface of the long injection molded product, which is beneficial to improving the quality of the long injection molded product.

Slowly slide the molded part 5 from the side of the groove 3 into the placement slot 4, press the top of the hinge rod 62 downward, the hinge rod 62 drives the connecting rod 63 to rotate downward around the hinge seat 61, and the connecting rod 63 drives the pressure rod 64 Rotate downward, the pressure rod 64 enters the arc groove 67, and presses the T-shaped correction plate 66 downward. The T-shaped correction plate 66 moves downward under pressure, the spring 65 is compressed, and the bottom of the T-shaped correction plate 66 enters In the groove 3, and in contact with the molded part 5, it is extruded, shaped and corrected, and then the correction fixture presses the hinge rod 62, so that the hinge rod 62 drives the pressure rod 64 to rotate downward, and the pressure rod 64 enters an arc shape. In the groove 67, the T-shaped correction plate 66 is squeezed, and the T-shaped correction plate 66 squeezes and shapes the long injection molded product to make the overall flatness of the product meet the requirements and improve the product qualification rate.

The above descriptions are only preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in this utility model. Within the protection scope of utility model.

Claims (8)

1. A plastic correction fixture for elongated injection molded parts, including a workbench (1), with legs (2) fixedly connected to both sides of the bottom end of the workbench (1), characterized in that: the workbench (1) A groove (3) is provided at the top of 1), a placement groove (4) is provided at one side of the bottom of the groove (3), and a molding (5) is provided in the placement groove (4). The top of the table (1) is provided with a correction mechanism (6), The correction mechanism (6) includes a hinge seat (61) fixed on the top of the workbench (1). The hinge seat (61) is hinged with a hinge rod (62). The front and rear sides of the bottom end of the hinge rod (62) Connecting rods (63) are fixedly connected to both ends, pressure rods (64) are fixedly connected to the bottom ends of the two connecting rods (63), and a set of pressure rods (64) are fixedly connected to the front and rear sides of the top of the workbench (1). Spring (65), the top ends of the two sets of springs (65) are jointly fixed with a T-shaped correction plate (66), and the top end of the T-shaped correction plate (66) is provided with an arc-shaped groove (67). 2. The plastic correction jig for long injection molded parts according to claim 1, characterized in that: a grinding mechanism (7) is provided on the side of the top of the workbench (1) away from the molded part (5); The mechanism (7) includes a motor (70) fixed on the bottom of the workbench (1). A movable slot (71) is provided at the bottom of the groove (3) away from the placement slot (4). The motor (70) A rotating shaft (72) is fixed at the top of the rotating shaft (70), an incomplete gear (73) is fixed at the top of the rotating shaft (72), and a moving sleeve (74) is provided on the outside of the incomplete gear (73). 3. The plastic correction fixture for long injection molded parts according to claim 2, characterized in that: a set of teeth (75) are fixedly connected to the front and rear sides of the moving sleeve (74), and the moving sleeve (74) 74) A straight rod (76) is fixed on the side close to the molded part (5), and a grinding block (77) is fixed on the side of the straight rod (76) away from the moving sleeve (74). 4. The plastic correction jig for long injection molded parts according to claim 1, characterized in that: the front side of the top of the workbench (1) is rotatably connected to an L-shaped supporting rod (8). 5. The plastic correction fixture for long injection molded parts according to claim 1, characterized in that: an elastic sleeve (9) is fixed on the outside of the top of the hinge rod (62). 6. The plastic correction fixture for long injection molded parts according to claim 2, characterized in that: limiting grooves (11) are provided on both front and rear sides of the groove (3), and the moving sleeve (74) The front and rear ends of the limit rod (10) are fixedly connected, and the other end of the limit rod (10) extends into the limit groove (11) and is slidably connected with it. 7. The plastic correction jig for long injection molded parts according to claim 1, characterized in that: a positioning groove (12) is provided on one side of the top end of the workbench (1) close to the T-shaped correction plate (66), and The positioning groove (12) is connected with the groove (3). 8. The plastic correction fixture for long injection molded parts according to claim 1, characterized in that: the bottom end of the workbench (1) is provided with a bottom opening (13) on one side close to the T-shaped correction plate (66). And the bottom opening (13) is connected with the placing groove (4).