Experimental blow molding machine

Abstract

The utility model relates to an experimental blow molding machine, which comprises a blow molding machine body and a blowing needle module arranged on the blow molding machine body, the blowing needle module comprises a first linear driving unit, a second linear driving unit and a limiting unit, the first linear driving unit is fixedly connected with the blow molding machine body, and the second linear driving unit is fixedly connected with the limiting unit. The second linear driving unit is fixedly connected with the moving part of the first linear driving unit, and the limiting unit is fixedly connected with the moving part of the second linear driving unit. When the moving part of the second driving unit moves in the left-right direction, the limiting unit fixedly connected to the second driving unit is driven to move in the left-right direction, and when the moving part of the second driving unit moves in the front-back direction, the limiting unit fixedly connected to the second driving unit is driven to move in the front-back direction; the push-pull rod is firmly inserted into the first supporting plate and the second supporting plate through the limiting sleeves.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould blow moulding technical field, especially a kind of experimental blow moulding machine. BACKGROUND

[0002] The blow molding process of blow molding machine generally includes material preparation, heating, parison formation, blowing, cooling and shaping stages, and the blow pin module of the blow molding machine is one of the core components of blow molding, which functions to inject high-pressure gas into the parison to make it expand and fit the inner wall of the mold.

[0003] At present, the traditional blow molding machine is limited by the solidification design of mold structure and process parameters, and it is difficult to compatible different wall thickness, shape complexity or material characteristics product processing, in order to break through this limitation, it is necessary to develop an experimental blow molding machine. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an experimental blow molding machine to solve the problems existing in the prior art.

[0005] The above technical purpose of the utility model is realized by the following technical scheme:

[0006] An experimental blow molding machine, comprising a blow molding machine body and a blow pin module arranged on the blow molding machine body, the blow pin module comprising a first linear drive unit, a second linear drive unit and a limiting unit, the first linear drive unit is fixedly connected with the blow molding machine body, the second linear drive unit is fixedly connected with the moving part of the first linear drive unit, and the limiting unit is fixedly connected with the moving part of the second linear drive unit.

[0007] The limiting unit comprises a first support plate, a second support plate, a limiting sleeve and a push-pull rod, the second support plate is arranged below the first support plate through a plurality of suspender, the top center position of the first support plate is provided with a through hole penetrating up and down, the top end of the limiting sleeve is arranged in the through hole, the top end of the push-pull rod is slidingly installed in the limiting sleeve, the top end of the push-pull rod extends to the upper side of the limiting sleeve and is fixedly connected with the drive module of the blow molding machine body, and the top of the second support plate is provided with a movable hole corresponding to the push-pull rod.

[0008] By adopting the above technical scheme, when the first drive unit moves in left-right direction, the limiting unit fixedly connected with the second drive unit will move in left-right direction, when the moving part of the second drive unit moves in front-back direction, the limiting unit fixedly connected with the second drive unit will move in front-back direction, and the push-pull rod is firmly inserted in the first support plate and the second support plate through the limiting sleeve.

[0009] In further embodiments, the second linear drive unit comprises a fixed plate and a servo motor, a screw rod is rotatably connected to an output shaft of the servo motor, a front-to-rear through sliding groove is arranged at a bottom end of the fixed plate, the servo motor is fixedly installed at a rear side of the sliding groove, a sliding block is slidingly installed at a front side of the sliding groove, a threaded hole is arranged at a rear side of the sliding block, the threaded hole is in transmission connection with a front end of the screw rod, guide rails are symmetrically arranged at a front side top end of the fixed plate, the first support plate is slidingly installed on the guide rails, an avoiding hole is arranged at a center position of the front side of the fixed plate, a connecting plate is fixedly installed at a top end of the sliding block, and the other end of the connecting plate is fixedly connected with the bottom end of the first support plate through the avoiding hole.

[0010] By adopting the above technical scheme, the left end and the right end of the sliding block are in sliding connection with the inner walls of the sliding groove, when the servo motor starts to work, the output shaft of the servo motor drives the screw rod to rotate, thereby driving the sliding block to move forward and backward in the sliding groove to a certain extent, the top end of the sliding block is fixedly connected with the bottom end of the first support plate through the connecting plate, the connecting plate can freely move in the avoiding hole, and the limiting unit slidingly installed on the slide rail as a whole moves in the forward and backward directions.

[0011] In further embodiments, a fixed sleeve is inserted into the lower side of the push-pull rod, the inside of the push-pull rod in the fixed sleeve is hollow, and the fixed sleeve is provided with an air inlet in communication with the inside of the push-pull rod.

[0012] By adopting the above technical scheme, the hollow structure of the push-pull rod is used to store gas.

[0013] In further embodiments, a support frame is arranged on one side of the first support plate, and a position sensor for monitoring the displacement of the blowing needle in real time is fixedly installed at the top end of the support frame.

[0014] In further embodiments, a third support plate is fixedly installed between the first support plate and the second support plate through a plurality of guide columns.

[0015] By adopting the above technical scheme, the third support plate can further stabilize the connection relationship between the first support plate and the second support plate, and improve the displacement accuracy of the push-pull rod.

[0016] In further embodiments, a plurality of air outlets are arranged at the bottom end of the push-pull rod.

[0017] By adopting the above technical scheme, the gas in the inside of the push-pull rod is discharged from the plurality of air outlets to blow and shape the material in the mold.

[0018] In summary, the utility model has the following beneficial effects:

[0019] 1. By fixing multiple hangers between the first and second support plates and fixing multiple guide posts between the first and third support plates, the movement of the push-pull rod can be prevented from becoming unstable and the movement accuracy of the push-pull rod can be improved. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a structural schematic diagram of the second linear drive unit used to illustrate this utility model.

[0022] In the diagram, 1. Blow needle module; 11. First linear drive unit; 12. Second linear drive unit; 121. Fixing plate; 122. Servo motor; 13. Limiting unit; 131. First support plate; 132. Second support plate; 133. Limiting sleeve; 134. Push-pull rod; 2. Hanging rod; 3. Screw; 4. Slide groove; 5. Slider; 6. Guide rail; 7. Connecting plate; 8. Fixing sleeve; 9. Support frame; 14. Position sensor; 15. Third support plate; 16. Guide post. Detailed Implementation

[0023] The present invention will be further described in detail below with reference to the accompanying drawings.

[0024] Identical parts are indicated by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "upper," and "lower" used in the following description refer to the attached figures. Figure 1 In this specification, the terms "bottom surface" and "top surface," "inner" and "outer" refer to the direction toward or away from the geometry of a specific component. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this specification, "a plurality of" means two or more, unless otherwise explicitly and specifically defined by the direction of the center.

[0025] Example 1:

[0026] like Figures 1-2As shown, an experimental blow molding machine comprises a blow molding machine body and a blow pin module 1 arranged on the blow molding machine body, the blow pin module 1 comprises a first linear drive unit 11, a second linear drive unit 12 and a limiting unit 13, the first linear drive unit 11 is a linear motor, the main driving part of the second linear drive unit 12 is a servo motor 122, the left end of the first linear drive unit 11 is fixedly connected with the inside of the blow molding machine body, the first linear drive unit 11 and the second linear drive unit 12 are perpendicular to each other, the moving part of the second linear drive unit 12 is fixedly connected with the first linear drive unit 11, and the limiting unit 13 is fixedly connected with the moving part of the second linear drive unit 12.

[0027] The limiting unit 13 comprises a first support plate 131, a second support plate 132, a limiting sleeve 133 and a push-pull rod 134, the second support plate 132 is arranged below the first support plate 131 through two hangers 2, the top center position of the first support plate 131 is provided with a through hole penetrating up and down, the top end of the limiting sleeve 133 is arranged in the through hole, the top end of the push-pull rod 134 is slidingly installed in the limiting sleeve 133, the top end of the push-pull rod 134 extends to the upper side of the limiting sleeve 133 and is fixedly connected with the driving module of the blow molding machine body, the top of the second support plate 132 is provided with a movable hole corresponding to the push-pull rod 134, the second linear drive unit 12 comprises a fixed plate 121 and a servo motor 122, a screw rod 3 is rotatably connected to the output shaft of the servo motor 122, the bottom end of the fixed plate 121 is provided with a sliding groove 4 penetrating front and back, the servo motor 122 is fixedly installed on the rear side of the sliding groove 4, a sliding block 5 is slidingly installed on the front side of the sliding groove 4, the left end and the right end of the sliding block 5 are slidingly connected with the inner wall of the sliding groove 4, a threaded hole is arranged on the rear side of the sliding block 5 and in transmission connection with the front end of the screw rod 3, the front top of the fixed plate 121 is symmetrically provided with a guide rail 6, the first support plate 131 is slidingly installed on the guide rail 6, an avoiding hole is arranged at the center position of the front side of the fixed plate 121, a connecting plate 7 is fixedly installed at the top end of the sliding block 5, the other end of the connecting plate 7 is fixedly connected with the bottom end of the first support plate 131 through the avoiding hole, a fixed sleeve 8 is inserted into the lower side of the push-pull rod 134, the inside of the push-pull rod 134 in the fixed sleeve 8 is hollow, the fixed sleeve 8 is provided with an air inlet in communication with the inside of the push-pull rod 134, a support frame 9 is arranged on one side of the first support plate 131, a position sensor 14 for monitoring the displacement of the blow pin in real time is fixedly installed at the top end of the support frame 9, a third support plate 15 is fixedly installed between the first support plate 131 and the second support plate 132 through a plurality of guide columns 16, and a plurality of air outlets are arranged at the bottom end of the push-pull rod 134.

[0028] Specific implementation process: when different embryo is replaced, the movement process of the blowing needle module 1 needs to be changed, when the linear motor reciprocates in the left-right direction, the second linear driving unit 12 fixedly connected with the moving part of the linear motor will drive the push-pull rod 134 to move in the left-right direction, when the servo motor 122 starts to rotate, the output shaft of the servo motor 122 will drive the screw rod 3 rotatingly connected with the output shaft to rotate, because the rear end of the sliding block 5 is drivingly connected with the screw rod 3, and the left end and the right end of the sliding block 5 are slidingly connected with the inside of the sliding groove 4, the sliding block 5 will be driven to move in the front-back direction on the screw rod 3 to a certain extent, so that the connecting plate 7 at the top end of the sliding block 5 passes through the avoiding hole, drives the first supporting plate 131 to move in the front-back direction, thereby driving the push-pull rod 134 to move in the front-back direction.

[0029] In the embodiments disclosed in the present application, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense. For example, "connecting" can be fixedly connected, or detachably connected, or integrally connected. "Connecting" can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meanings of the above terms in the embodiments disclosed in the present application can be understood according to the specific circumstances.

[0030] The specific embodiments are only an explanation of the present application, and are not a limitation of the present application. Those skilled in the art can make modifications to the embodiments without creative contribution after reading the present application, as long as the modifications are within the scope of the claims of the present application.

Claims

1. An experimental blow molding machine, comprising a blow molding machine body and a blow needle module (1) disposed on the blow molding machine body, characterized in that: The blow molding module (1) includes a first linear drive unit (11), a second linear drive unit (12), and a limiting unit (13). The first linear drive unit (11) is fixedly connected to the blow molding machine body, the second linear drive unit (12) is fixedly connected to the moving part of the first linear drive unit (11), and the limiting unit (13) is fixedly connected to the moving part of the second linear drive unit (12). The limiting unit (13) includes a first support plate (131), a second support plate (132), a limiting sleeve (133), and a push-pull rod (134). The second support plate (132) is arranged below the first support plate (131) at intervals by multiple hanging rods (2). The top center of the first support plate (131) is provided with a through hole that runs vertically through it. The top end of the limiting sleeve (133) passes through the through hole. The top end of the push-pull rod (134) is slidably installed in the limiting sleeve (133). The top end of the push-pull rod (134) extends to the top of the limiting sleeve (133) and is fixedly connected to the drive module of the blow molding machine body. The top of the second support plate (132) is provided with an movable hole corresponding to the push-pull rod (134).

2. The experimental blow molding machine according to claim 1, characterized in that: The second linear drive unit (12) includes a fixed plate (121) and a servo motor (122). A screw (3) is rotatably connected to the output shaft of the servo motor (122). A through groove (4) is provided at the bottom end of the fixed plate (121). The servo motor (122) is fixedly installed on the rear side of the groove (4). A slider (5) is slidably installed on the front side of the groove (4). A threaded hole is provided on the rear side of the slider (5). The threaded hole is connected to the front end of the screw (3). A guide rail (6) is symmetrically provided at the top front side of the fixed plate (121). The first support plate (131) is slidably installed on the guide rail (6). An clearance hole is provided at the center of the front side of the fixed plate (121). A connecting plate (7) is fixedly installed at the top end of the slider (5). The other end of the connecting plate (7) is fixedly connected to the bottom end of the first support plate (131) through the clearance hole.

3. The experimental blow molding machine according to claim 1, characterized in that: A fixing sleeve (8) is inserted into the lower part of the push-pull rod (134). The inside of the push-pull rod (134) inside the fixing sleeve (8) is hollow. The fixing sleeve (8) is provided with an air inlet that communicates with the inside of the push-pull rod (134).

4. The experimental blow molding machine according to claim 1, characterized in that: A support frame (9) is provided on one side of the first support plate (131), and a position sensor (14) for real-time monitoring of the displacement of the blow needle is fixedly installed on the top of the support frame (9).

5. The experimental blow molding machine according to claim 1, characterized in that: A third support plate (15) is fixedly installed between the first support plate (131) and the second support plate (132) through a plurality of guide posts (16).

6. The experimental blow molding machine according to claim 1, characterized in that: The bottom end of the push-pull rod (134) is provided with multiple air vents.

Images