Electric blow molding closing machine

Abstract

The utility model provides an electric blow molding closing machine, which can carry a blow molding mold and perform mold opening and closing operation, the blow molding mold comprises a first module and a second module which can be opened and closed, and the electric blow molding closing machine comprises a base, a motor and a motor, the rear mold plate is provided with a first mold closing part capable of carrying the first mold block; the driving motor is in transmission connection with the rear mold plate and provides moving power for the rear mold plate; the front mold plate is provided with a second mold closing part capable of carrying a second module, and the first mold closing part and the second mold closing part are oppositely arranged front and back; the thickness fine adjustment assembly comprises a fixed seat fixedly installed on the base and located on the front side of the front mold plate, an adjusting stud installed on the fixed seat, an adjusting lead screw in threaded fit with the adjusting stud and a pressure sensor installed on the back of the front mold plate, and the adjusting stud and the adjusting lead screw both extend in the front-back direction and can rotate relatively; the end of the side, close to the front mold plate, of the adjusting lead screw makes contact with the pressure sensor and pushes the front mold plate to move backwards.

Description

Technical Field

[0001] This utility model relates to the field of blow molding technology, and in particular to an electric blow molding clamping machine. Background Technology

[0002] A blow molding die is a tool used in the plastic blow molding process. In the blow molding process, the thermoplastic preform extruded from the extruder is first placed into the blow molding die, and then compressed air is introduced into the blow molding die to expand the preform. The preform deforms along the die cavity, thereby blowing it into a hollow product with a specific shape and size.

[0003] A blow molding clamping machine is a device used to drive the blow molding die in the opening and closing operations. Existing blow molding clamping machines generally use hydraulic mechanisms to push the mold plate in the back and forth direction, which has many disadvantages such as large impact of the movement, the need for special cushioning treatment, and unbalanced force on the mold plate.

[0004] In addition, there is another type of electric blow molding clamping machine. Although it can overcome many of the disadvantages of the aforementioned drive mechanism, it can only establish the corresponding clamping pressure after obtaining a high-precision mold thickness. It is inconvenient to use when debugging the mold, so it is rarely used in the field of blow molding technology. Utility Model Content

[0005] To address the aforementioned technical problems related to the inconvenience of using electric blow molding machines during mold debugging, the purpose of this utility model is to provide an electric blow molding machine with a mold thickness fine-tuning structure.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an electric blow molding clamping machine, capable of mounting a blow molding die and performing mold opening and closing operations, wherein the blow molding die includes a first module and a second module capable of mold opening and closing, and the electric blow molding clamping machine includes: a base; a rear template, slidably mounted on the base in a front-rear direction, the rear template having a first mold closing part capable of mounting the first module; a drive motor, connected to the rear template and providing moving power to the rear template; and a front template, slidably mounted on the base in a front-rear direction and located in front of the rear template, the front template... The plate has a second mold-closing part for mounting the second module, the first mold-closing part and the second mold-closing part being arranged opposite each other in the front-rear direction; and a thickness fine-tuning assembly, including a fixed seat fixedly mounted on the base and located on the front side of the front template, an adjusting stud mounted on the fixed seat, an adjusting screw threadedly engaged with the adjusting stud, and a pressure sensor mounted on the back of the front template. The adjusting stud and the adjusting screw both extend in the front-rear direction and can rotate relative to each other. The end of the adjusting screw near the front template contacts the pressure sensor and can push the front template to move backward.

[0007] In the above technical solution, preferably, the thickness fine-tuning component further includes a rotating shaft seat fixedly mounted on the fixed base, and the adjusting stud is rotatably disposed inside the rotating shaft seat. More preferably, the adjusting stud includes an external threaded portion at the front, and the thickness fine-tuning component further includes a wrench nut, the wrench nut being threadedly connected to the external threaded portion and capable of driving the adjusting stud to rotate relative to the rotating shaft seat.

[0008] In the preferred embodiment described above, even more preferably, a plurality of threaded screws are disposed between the wrench nut and the external thread portion, which simultaneously contact both.

[0009] In the above preferred embodiment, more preferably, the front part of the adjusting stud has a radially outward protruding limiting protrusion, and the rotating shaft seat has a limiting groove that matches the limiting protrusion.

[0010] In the above preferred embodiment, it is further preferred that a wrench hole is provided on the outer diameter of the wrench nut.

[0011] In the above preferred embodiment, it is further preferred that the outer diameter of the wrench nut is formed with a manual anti-slip mesh.

[0012] In the above technical solution, preferably, the front part of the adjusting screw is exposed relative to the rotating shaft seat, and the thickness fine adjustment component further includes a locking nut located at the front part of the rotating shaft seat and forming a threaded engagement with the adjusting screw to lock the adjusting screw.

[0013] In the above preferred embodiment, it is further preferred that a wrench hole is provided on the outer diameter of the locking nut.

[0014] In the above preferred embodiment, it is further preferred that the outer diameter of the locking nut is formed with a manual anti-slip mesh pattern.

[0015] The electric blow molding clamping machine provided by this utility model allows for adjustment of the clamping pressure by rotating the adjusting stud or adjusting screw after the clamping operation. This adjustment moves the adjusting screw in the front and rear directions, thereby adjusting the distance between the front and rear mold plates and the clamping pressure. The clamping pressure is fed back to the operator via a pressure sensor, allowing the operator to fine-tune the front mold plate to the appropriate clamping position. Thus, after several rounds of feedback and adjustment, the electric blow molding clamping machine can establish the appropriate clamping pressure, overcoming the inconveniences of traditional electric blow molding clamping machines during mold debugging. Attached Figure Description

[0016] Figure 1 This is a perspective view of the electric blow molding machine provided by this utility model;

[0017] Figure 2 for Figure 1 The image shows a cross-sectional view of the electric blow molding machine along the front-to-back direction.

[0018] Figure 3 for Figure 2 A magnified view of a portion of the image.

[0019] 100. Electric blow molding clamping machine; 10. First module; 20. Second module;

[0020] 1. Base; 11. Main body; 12. Slide rail; 13. Slider;

[0021] 2. Rear template; 21. First support part; 22. First mold closing part;

[0022] 3. Transmission rod; 31. Rod body; 32. First end; 33. Second end;

[0023] 4. Front template; 41. Second support part; 42. Second mold closing part;

[0024] 51. Fixed base; 52. Rotary shaft seat; 53. Adjusting stud; 54. Adjusting screw; 55. Pressure sensor; 56. Wrench nut; 57. Locking nut. Detailed Implementation

[0025] To explain in detail the technical content, structural features, achieved objectives and effects of this application, the technical solutions in the embodiments of this application will be described below with reference to the accompanying drawings.

[0026] In this application, spatial relative terms such as “below,” “under,” “below,” “down,” “above,” “above,” “higher,” and “side” (e.g., as in a “sidewall”) are used to describe the relationship between one element and another element as shown in the accompanying drawings. Spatial relative terms are intended to include different orientations of the device in use, operation, and / or manufacture other than those depicted in the drawings. For example, if the device in the drawings is flipped, an element described as “below” or “under” another element or feature would then be positioned “above” said other element or feature. Thus, the exemplary term “below” can include both above and below orientations. Furthermore, the device may be otherwise positioned (e.g., rotated 90 degrees or in other orientations), thus interpreting the spatial relative descriptive terms used herein accordingly.

[0027] like Figure 1-2As shown, this utility model provides an electric blow molding machine 100, which can be equipped with a blow molding die and perform mold opening and closing operations. The blow molding die includes a first module 10 and a second module 20 for mold opening and closing operations. When the blow molding die is mounted on the electric blow molding machine 100, the first and second modules are strictly arranged opposite each other in the front-rear direction.

[0028] The electric blow molding clamping machine 100 includes a base 1 providing support, a rear template 2 movably mounted on the base 1, a drive assembly for moving the rear template 2, a front template 4 movably mounted on the base 1, and a thickness fine-tuning assembly for fine-tuning the distance between the front and rear templates. In this application, the movement direction of the front and rear templates is defined as the front-rear direction, and the front template is located in front of the rear template. Figure 2 The direction perpendicular to the front-back direction on the paper is defined as the vertical direction.

[0029] The base 1 includes a main body 11 fixedly mounted on the ground or a pedestal and a pair of slide rails 12 extending in the front-to-back direction. Several sliders 13 are arranged on the slide rails 12 that can slide in the front-to-back direction for use by the front and rear templates. Furthermore, the base 1 is also provided with a limit block 14, which is used to limit the minimum distance between the front and rear templates.

[0030] The rear template 2 has a first support portion 21 located at the bottom and extending front to back, and a first mold closing portion 22 integrally formed on the upper side of the first support portion 21. The first support portion 21 is fixedly mounted on a plurality of sliders 13 and is slidably supported on a pair of slide rails 12 via the sliders 13. The first mold closing portion 22 extends vertically and is configured to accommodate a first module 10. The first module 10 can be fixed to the first mold closing portion 22 by various means such as bolt connection, snap-fit, magnetic attraction, etc., which are not limited here.

[0031] The transmission assembly includes a drive motor (not shown in the figure) and a transmission rod 3 connected to the drive motor. The transmission rod 3 has a rod body 31 and a first end 32 and a second end 33 that are spaced apart from each other. The first end 32 is movably connected to the back of the rear template 2 (i.e., the side without the first module 10), and the second end 33 is movably connected to the drive motor. Thus, the drive motor can drive the rear template 2 to move back and forth in the front-to-back direction. It should be noted that the drive motor and the rear template 2 can form any type of drive structure, and this application does not limit this.

[0032] Similarly, the front template 4 has a second support portion 41 located at the bottom and extending front to back, and a second mold closing portion 42 integrally formed on the upper side of the second support portion 41. The second support portion 41 is fixedly mounted on a plurality of sliders 13 and is slidably supported on a pair of slide rails 12 via the sliders 13. The second mold closing portion 42 extends vertically and is configured to accommodate the second module 20. The second module 20 can be fixed to the second mold closing portion 42 by various means such as bolt connection, snap-fit, magnetic attraction, etc., which are not limited here.

[0033] The thickness fine-tuning assembly includes a fixed base 51 fixedly connected to the base 1, a rotating shaft 52 fixedly mounted on the fixed base 51, an adjusting stud 53 installed inside the rotating shaft 52, an adjusting screw 54 threadedly engaged with the adjusting stud 53, and a pressure sensor 55 fixedly mounted on the back of the front template 4 (i.e., the side without the second module 20). Both the adjusting screw 54 and the adjusting stud 53 extend in the front-rear direction and can rotate relative to each other.

[0034] The adjusting screw 54 is exposed on the side near the front template 4 and contacts the pressure sensor 55. The adjusting screw 54 is configured to apply force to the front template 4 to push it backward. The contact method between the adjusting screw 54 and the pressure sensor 55 can be abutment, etc. Figure 2 The shaft hole connection shown is such that the adjusting screw 54 can apply force to the front template 4 and the pressure sensor 55 can read the pressure between the adjusting screw 54 and the front template 4.

[0035] During the mold closing operation, the drive motor of the electric blow molding clamping machine 100 actuates and drives the rear mold plate 2 to the mold closing position. Subsequently, the operator can rotate the adjusting stud 53 or the adjusting screw 54 to move the adjusting screw 54 in the front-to-back direction, thereby adjusting the distance between the front mold plate 4 and the rear mold plate 2 in the front-to-back direction and the mold closing pressure. This mold closing pressure is fed back to the operator via the pressure sensor 55, allowing the operator to fine-tune the front mold plate 4 to the appropriate mold closing position. Thus, after several rounds of feedback and adjustment, the electric blow molding clamping machine 100 can establish an appropriate mold closing pressure, overcoming the inconveniences of traditional electric blow molding clamping machines during mold debugging.

[0036] Understandably, in the above process, the relative rotation of the adjusting stud 53 or the adjusting screw 54 causes the adjusting screw 54 to move back and forth, thereby adjusting the position of the front template 4. Here, this embodiment also provides a technical solution that facilitates the rotation of the adjusting stud 53 by the operator.

[0037] Specifically, in combination Figure 3The adjusting stud 53 is rotatably mounted inside the rotating shaft seat 52. The front and rear ends of the adjusting stud 53 respectively form an external thread (not shown in the figure) and a radially outwardly extending limiting protrusion (not shown in the figure). The front part of the rotating shaft seat 52 has a limiting groove (not shown in the figure) that matches the aforementioned limiting protrusion, to prevent the adjusting stud 53 from moving forward.

[0038] The thickness fine-tuning assembly also includes a wrench nut 56, which engages with the external thread on the adjusting stud 53. The wrench nut 56 prevents the adjusting stud 53 from moving backward while simultaneously causing it to rotate. Thus, by rotating the wrench nut 56, the operator can control the forward and backward movement of the adjusting screw 54.

[0039] Furthermore, a number of slotted screws (not shown in the figure) are also provided between the wrench nut 56 and the adjusting stud 53, simultaneously contacting both. A slotted screw is a special type of fastener used to connect two or more parts, with a portion of the screw embedded in the surface of each connected part. This design helps prevent relative rotation and slippage between the wrench nut 56 and the adjusting stud 53, providing additional fixing and positioning functions to prevent misalignment of the centerlines of the adjusting stud 53 and the adjusting screw 54.

[0040] Furthermore, to prevent the adjusting screw 54 from rotating on its own, the thickness fine-tuning assembly is also equipped with a locking nut 57. The front part of the adjusting screw 54 is exposed relative to the rotating shaft seat 52 and the wrench nut 56, and the locking nut 57 forms a threaded connection with the exposed part of the adjusting screw 54. The locking nut 57 is used by the operator to lock the adjusting screw 54 after adjusting the position of the front template 4 during the mold closing operation.

[0041] Furthermore, both the wrench nut 56 and the locking nut 57 have wrench holes and manual anti-slip textures on their outer diameters to facilitate operation by staff.

[0042] The above embodiments are only for illustrating the technical concept and features of this application, and are intended to enable those skilled in the art to understand the content of this application and implement it accordingly. They should not be construed as limiting the scope of protection of this application. All equivalent changes or modifications made in accordance with the spirit of this application should be included within the scope of protection of this application.

Claims

1. An electric blow molding machine, capable of carrying a blow molding die and performing mold opening and closing operations, wherein the blow molding die comprises a first module and a second module capable of opening and closing, characterized in that, The electric blow molding clamping machine includes: Base; The rear template is slidably mounted on the base in the front-to-back direction, and the rear template has a first mold-closing part that can accommodate the first module; A drive motor is connected to the rear template and provides the rear template with the power to move. A front template, slidably mounted on the base in a front-rear direction and located in front of the rear template, the front template having a second mold-closing portion for mounting the second module, the first mold-closing portion and the second mold-closing portion being disposed opposite each other in a front-rear direction; and The thickness fine-tuning assembly includes a fixed base fixedly mounted on the base and located on the front side of the front template, an adjusting stud mounted on the fixed base, an adjusting screw threaded to the adjusting stud, and a pressure sensor mounted on the back of the front template. The adjusting stud and the adjusting screw both extend in the front-rear direction and can rotate relative to each other. The end of the adjusting screw near the front template contacts the pressure sensor and can push the front template to move backward.

2. The electric blow molding clamping machine according to claim 1, characterized in that, The thickness fine-tuning component also includes a rotating shaft seat fixedly mounted on the fixed base, and the adjusting stud is rotatably disposed inside the rotating shaft seat.

3. The electric blow molding clamping machine according to claim 2, characterized in that, The adjusting stud includes an external threaded portion at the front, and the thickness fine-tuning component also includes a wrench nut. The wrench nut is threadedly connected to the external threaded portion and can drive the adjusting stud to rotate relative to the rotating shaft seat.

4. The electric blow molding clamping machine according to claim 3, characterized in that, A plurality of threaded screws are disposed between the wrench nut and the threaded portion, which simultaneously contact both.

5. The electric blow molding clamping machine according to claim 3, characterized in that, The front part of the adjusting stud has a radially outward protruding limiting protrusion, and the rotating shaft seat has a limiting groove that matches the limiting protrusion.

6. The electric blow molding clamping machine according to claim 3, characterized in that, A wrench hole is provided on the outer diameter of the wrench nut.

7. The electric blow molding clamping machine according to claim 3, characterized in that, The outer diameter of the wrench nut has a manual anti-slip texture.

8. The electric blow molding clamping machine according to claim 2, characterized in that, The front part of the adjusting screw is exposed relative to the rotating shaft seat. The thickness fine-tuning assembly also includes a locking nut located at the front part of the rotating shaft seat and threadedly engaged with the adjusting screw to lock the adjusting screw.

9. The electric blow molding clamping machine according to claim 8, characterized in that, A wrench hole is provided on the outer diameter of the locking nut.

10. The electric blow molding clamping machine according to claim 8, characterized in that, The outer diameter of the locking nut has a manual anti-slip mesh pattern.

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