High-precision mold positioning device of blood collection tube cavity machine

Abstract

The utility model relates to the field of die positioning devices, in particular to a high-precision die positioning device of a blood collection tube cavity machine, which comprises a first fixing plate. The die further comprises a movable die and a discharging assembly. A movable mold is arranged at the right end of the first fixing plate, an air cylinder is fixedly connected to the left end of the first fixing plate, the movable mold is fixedly connected with the output end of the air cylinder, the air cylinder is used for driving the movable mold to move in the horizontal direction, and a discharging assembly is arranged at the right end of the movable mold. The telescopic rod extends outwards by starting the air cylinder, the movable mold moves in the horizontal direction and is attached to the fixed mold for injection molding, at the moment, the positioning block is inserted into the limiting block and makes contact with the rolling wheel, the positioning block is positioned through the rolling wheel, and therefore friction to the surface of the positioning block can be effectively reduced, and the positioning precision is improved; the problem that after long-time friction, the surface of the positioning rod is abraded to a certain degree, at the moment, a gap is formed between the positioning rod and the positioning groove, and therefore the positioning precision is lowered is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mould positioning device field, concretely relates to a high accuracy mould positioning device of blood collection tube cavity machine. BACKGROUND

[0002] In modern medical detection, as an important tool for blood collection and preservation, the quality of blood collection tube is directly related to the detection accuracy and accuracy of blood sample, and the production of blood collection tube usually relies on precise mould to complete the shaping of its shape and inner cavity. Because the structure and size requirement of blood collection tube cavity is very strict, any slight manufacturing error can affect the performance of blood collection tube, and further affect the preservation effect of blood sample.

[0003] In the injection molding process, the movable mold and the fixed mold are closed by mechanical force until the two are accurately docked at the mold closing point, at which time a certain space will be formed inside the mold cavity for the injection of plastic material. During production, the mold is generally positioned by contacting the positioning rod with the positioning hole to prevent the mold from deviating.

[0004] The existing mould positioning device generally inserts the positioning rod directly into the positioning groove to position the mould under the limitation of the positioning groove. After a long time of friction, the surface of the positioning rod will be worn, which will cause a gap between the positioning rod and the positioning groove, resulting in a decrease in positioning accuracy. UTILITY MODEL CONTENTS

[0005] In order to overcome the problem of the existing mould positioning device that the surface of the positioning rod will be worn after a long time of friction, which will cause a gap between the positioning rod and the positioning groove, resulting in a decrease in positioning accuracy, therefore, a high-precision mould positioning device for blood collection tube cavity machine is proposed.

[0006] The technical scheme of the utility model is as follows: a high-precision mould positioning device for blood collection tube cavity machine, comprising a first fixed plate, a movable mold and a discharging assembly; the first fixed plate right end is provided with a movable mold, the first fixed plate left end is fixedly connected with a gas cylinder, the movable mold is fixedly connected with the output end of the gas cylinder, the gas cylinder is used for driving the movable mold to move along the horizontal direction, the movable mold front and back ends are fixedly connected with positioning blocks, the movable mold right end is provided with a fixed mold, the fixed mold front and back ends are fixedly connected with limiting blocks, the limiting block inner wall is provided with a first groove body, the first groove body inner wall is rotatably provided with a roller, the roller outer wall surface is matched with the positioning block outer wall surface, and the movable mold right end is provided with a discharging assembly.

[0007] As a preferred, the first fixed plate right end is fixedly connected with a plurality of sliding rods, the other end of the sliding rod is fixedly connected with a second fixed plate, the fixed mold is fixedly connected to the left end of the second fixed plate, the right end of the second fixed plate is provided with a limiting slot, and the limiting slot is matched with the positioning block.

[0008] As preferred, the first slider is fixed at the front and rear edges of the movable mold, the first slider is slidingly arranged on the outer wall of the sliding rod, and the movable mold is fixed with a plurality of shaping rods at the right end.

[0009] As preferred, the unloading assembly comprises a second groove, the second groove is arranged in the inner side of the positioning block, a screw rod is rotatably arranged on the inner wall of the second groove, a motor is fixed at the left end of the positioning block, the screw rod is fixedly connected with the output end of the motor, and the motor is used to drive the screw rod to rotate.

[0010] As preferred, the second slider is threadedly installed on the outer wall of the screw rod, the push plate is fixed at the inner side of the second slider, a plurality of push blocks are fixed at the right end of the push plate, and the push blocks are slidingly arranged on the outer wall of the shaping rods.

[0011] As preferred, the first fixed plate is fixed with a bottom plate at the lower end, a third groove is arranged through the upper end of the bottom plate, and a plurality of supporting columns are fixed at the lower end of the bottom plate.

[0012] As preferred, the bottom plate is fixed with two sliding rails at the lower end, the two sliding rails are located at the left and right sides of the third groove, and the collecting box is slidingly arranged on the inner wall of the sliding rail.

[0013] The beneficial effects of the utility model are as follows: the telescopic rod is extended outward by starting the air cylinder, the movable mold is moved along the horizontal direction, and the movable mold is combined with the fixed mold for injection molding; at this time, the positioning block is inserted into the inner part of the limiting block and is in contact with the roller, the positioning block is positioned by the roller, the friction on the surface of the positioning block is effectively reduced, the positioning precision is improved, and the problem that the positioning rod and the positioning groove have gaps due to the wear on the surface of the positioning rod after long-time friction and the decrease of the positioning precision are solved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The utility model discloses a three-dimensional structure schematic diagram is shown as the utility model discloses a limiting block's cross section three-dimensional structure schematic diagram is shown as the utility model discloses a positioning block's three-dimensional structure schematic diagram is shown as the utility model discloses a push plate's three-dimensional structure schematic diagram is shown as the utility model discloses a collecting box's three-dimensional structure schematic diagram.

[0015] Figure 2 The utility model discloses a three-dimensional structure schematic diagram is shown as the utility model discloses a limiting block's cross section three-dimensional structure schematic diagram is shown as the utility model discloses a positioning block's three-dimensional structure schematic diagram is shown as the utility model discloses a push plate's three-dimensional structure schematic diagram is shown as the utility model discloses a collecting box's three-dimensional structure schematic diagram.

[0016] Figure 3 The utility model discloses a three-dimensional structure schematic diagram is shown as the utility model discloses a limiting block's cross section three-dimensional structure schematic diagram is shown as the utility model discloses a positioning block's three-dimensional structure schematic diagram is shown as the utility model discloses a push plate's three-dimensional structure schematic diagram is shown as the utility model discloses a collecting box's three-dimensional structure schematic diagram.

[0017] Figure 4 The utility model discloses a three-dimensional structure schematic diagram is shown as the utility model discloses a limiting block's cross section three-dimensional structure schematic diagram is shown as the utility model discloses a positioning block's three-dimensional structure schematic diagram is shown as the utility model discloses a push plate's three-dimensional structure schematic diagram is shown as the utility model discloses a collecting box's three-dimensional structure schematic diagram.

[0018] Figure 5 The utility model discloses a three-dimensional structure schematic diagram is shown as the utility model discloses a limiting block's cross section three-dimensional structure schematic diagram is shown as the utility model discloses a positioning block's three-dimensional structure schematic diagram is shown as the utility model discloses a push plate's three-dimensional structure schematic diagram is shown as the utility model discloses a collecting box's three-dimensional structure schematic diagram.

[0019] The marks in the drawings are: 1, first fixed plate; 101, movable mold; 102, air cylinder; 103, positioning block; 104, fixed mold; 105, limiting block; 106, first groove body; 107, roller; 2, sliding rod; 201, second groove body; 202, screw rod; 203, motor; 204, second sliding block; 205, push plate; 206, push block; 3, second fixed plate; 4, limiting groove; 5, first sliding block; 6, shaping rod; 7, bottom plate; 8, third groove body; 9, supporting column; 10, sliding rail; 11, collection box. DETAILED DESCRIPTION

[0020] The utility model is further explained below in combination with the drawings and embodiments.

[0021] Please refer to Figures 1-5 The utility model provides a kind of high-precision mold positioning device of blood collection tube cavity machine, including first fixed plate 1;Still including movable mold 101 and unloading assembly;First fixed plate 1 right end is provided with movable mold 101, first fixed plate 1 left end is fixedly connected with air cylinder 102, movable mold 101 is fixedly connected with the output end of air cylinder 102, air cylinder 102 is used to drive movable mold 101 moves along horizontal direction, movable mold 101 front and rear ends are fixedly connected with positioning block 103, movable mold 101 right end is provided with fixed mold 104, fixed mold 104 front and rear ends are fixedly connected with limiting block 105, limiting block 105 inner wall is equipped with first groove body 106, first groove body 106 inner wall is rotatably provided with roller 107, roller 107 outer wall surface and positioning block 103 outer wall surface are inlaid, movable mold 101 right end is provided with unloading assembly, by starting air cylinder 102 to make telescopic rod extend outward, movable mold 101 moves along horizontal direction, and is inlaid with fixed mold 104 and is carried out injection molding, positioning block 103 will insert inside limiting block 105 and contact with roller 107 at this time, positioning block 103 is positioned by roller 107, so as to effectively reduce the friction on the surface of positioning block 103, improve positioning precision, solve the problem that after long time friction, positioning rod surface will appear certain abrasion, at this time, it will cause gap between positioning rod and positioning groove, to cause the problem of positioning precision decline.

[0022] Please refer to Figures 1-5In the embodiment, the first fixed plate 1 is fixedly connected with a plurality of sliding rods 2 at the right end, the other end of the sliding rod 2 is fixedly connected with the second fixed plate 3, the fixed mold 104 is fixedly connected to the left end of the second fixed plate 3, the right end of the second fixed plate 3 penetrates to form a limiting groove 4, the limiting groove 4 is matched with the positioning block 103, the limiting groove 4 is arranged to limit the positioning block 103, so as to avoid the deviation of the mold fitting, the first sliding block 5 is fixedly connected to the front and rear edges of the movable mold 101, the first sliding block 5 is slidingly arranged on the outer wall of the sliding rod 2, a plurality of shaping rods 6 are fixedly connected to the right end of the movable mold 101, the bottom plate 7 is fixedly connected to the lower end of the first fixed plate 1, the third groove 8 is formed in the upper end of the bottom plate 7, a plurality of supporting columns 9 are fixedly connected to the lower end of the bottom plate 7, two slide rails 10 are fixedly connected to the lower end of the bottom plate 7, the two slide rails 10 are located on the left and right sides of the third groove 8, and the collecting box 11 is slidingly arranged on the inner wall of the slide rail 10. Through the arrangement of the collecting box 11, the blood collection tube will fall into the collecting box 11 through the third groove 8, which is convenient for the staff to collect.

[0023] Please refer to Figure 4 In the embodiment, the unloading assembly comprises a second groove 201, the second groove 201 is formed in the inner side of the positioning block 103, the screw rod 202 is rotatably arranged on the inner wall of the second groove 201, the motor 203 is fixedly connected to the left end of the positioning block 103, the screw rod 202 is fixedly connected with the output end of the motor 203, the motor 203 is used to drive the screw rod 202 to rotate, the second sliding block 204 is threadedly installed on the outer wall of the screw rod 202, the push plate 205 is fixedly connected to the inner side of the second sliding block 204, a plurality of push blocks 206 are fixedly connected to the right end of the push plate 205, the push blocks 206 are slidingly arranged on the outer wall of the shaping rod 6, the cylinder 102 is started to make the telescopic rod retract to drive the movable mold 101 to reset, then the motor 203 is started to drive the screw rod 202 to rotate, so that the second sliding block 204 moves along the outer wall of the screw rod 202 and drives the push plate 205 to move, and the push blocks 206 push the blood collection tube on the outer wall of the shaping rod 6 into the collecting box 11 below, so that the blood collection tube can be quickly unloaded.

[0024] In use, first, the telescopic rod is extended outward by starting the cylinder 102, so that the movable mold 101 moves in the horizontal direction and is combined with the fixed mold 104 to perform injection molding, at this time, the positioning block 103 is inserted into the limiting block 105 and is in contact with the roller 107, so as to reduce the friction on the surface of the positioning block 103 and improve the positioning accuracy;

[0025] After the material injection is completed, the telescopic rod is retracted by starting the cylinder 102 to drive the movable mold 101 to reset, then the motor 203 is started to drive the screw rod 202 to rotate, so that the second sliding block 204 moves along the outer wall of the screw rod 202 and drives the push plate 205 to move, and the push blocks 206 push the blood collection tube on the outer wall of the shaping rod 6 into the collecting box 11 below, so that the staff can collect the blood collection tube.

[0026] Through the above steps, the telescopic rod is extended outward by starting the cylinder 102, the movable mold 101 moves in the horizontal direction, and is combined with the fixed mold 104 to perform injection molding. At this time, the positioning block 103 is inserted into the limiting block 105 and contacts the roller 107. The positioning block 103 is positioned by the roller 107, so that the friction on the surface of the positioning block 103 can be effectively reduced, the positioning accuracy is improved, and the problem that after a long time of friction, the surface of the positioning rod is worn to a certain extent, which causes a gap between the positioning rod and the positioning groove, thereby causing the positioning accuracy to decrease.

Claims

1. A high-precision mold positioning device for a blood collection tube cavity machine, comprising a first fixed plate (1); characterized in that: Also include the dynamic mold (101) and unloading assembly; The right end of the first fixed plate (1) is provided with the dynamic mold (101), the left end of the first fixed plate (1) is fixedly connected with the air cylinder (102), the output end of the dynamic mold (101) is fixedly connected with the air cylinder (102), and the air cylinder (102) is used for driving the dynamic mold (101) to move along the horizontal direction, the front and rear ends of the dynamic mold (101) are fixedly connected with the positioning block (103), the right end of the dynamic mold (101) is provided with the fixed mold (104), the front and rear ends of the fixed mold (104) are fixedly connected with the limiting block (105), the inner wall of the limiting block (105) is provided with the first groove (106), the outer wall of the roller (107) is rotatably provided in the first groove (106), the outer wall surface of the roller (107) is matched with the outer wall surface of the positioning block (103), and the right end of the dynamic mold (101) is provided with the unloading assembly.

2. The high-precision mold positioning device of the blood tube cavity machine according to claim 1, wherein: The right end of the first fixed plate (1) is fixedly connected with a plurality of sliding rods (2), the other end of the sliding rod (2) is fixedly connected with The left end of the fixed mold (104) is fixedly connected with the second fixed plate (3), and the right end of the second fixed plate (3) is provided with a limiting groove (4), and the limiting groove (4) is matched with the positioning block (103).

3. The high precision mold positioning device for a blood tube lumen machine according to claim 2, characterized in that: The first sliding block (5) is fixedly connected with the front and rear edges of the dynamic mold (101), and the first sliding block (5) is slidably arranged on the outer wall of the sliding rod (2).

4. The high precision mold positioning device for blood tube cavity machines of claim 1, wherein: The unloading assembly comprises a second groove (201), the inner side of the positioning block (103) is provided with the second groove (201), the inner wall of the second groove (201) is rotatably provided with a screw rod (202), the left end of the positioning block (103) is fixedly connected with a motor (203), the output end of the screw rod (202) is fixedly connected with the motor (203), and the motor (203) is used for driving the screw rod (202) to rotate.

5. The high precision mold positioning device for a blood tube lumen machine according to claim 4, wherein: The outer wall of the screw rod (202) is threadedly installed with a second sliding block (204), the inner side of the second sliding block (204) is fixedly connected with a push plate (205), the right end of the push plate (205) is fixedly connected with a plurality of push blocks (206), and the push blocks (206) are slidably arranged on the outer wall of the shaping rod (6).

6. The high precision mold positioning device for a blood tube lancing machine of claim 1, wherein: The lower end of the first fixed plate (1) is fixedly connected with a bottom plate (7), the upper end of the bottom plate (7) is provided with a third groove (8), and the lower end of the bottom plate (7) is fixedly connected with a plurality of support columns (9) at the four corner positions.

7. The high precision mold positioning device for a blood tube lumen machine according to claim 6, wherein: The lower end of the bottom plate (7) is fixedly connected with two slide rails (10), and the two slide rails (10) are located on the left and right sides of the third groove (8). The inner wall of the slide rail (10) is slidably provided with a collecting box (11).

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