CN210733250U

CN210733250U - Multi-station thermoforming machine

Info

Publication number: CN210733250U
Application number: CN201921598968.3U
Authority: CN
Inventors: 周于中
Original assignee: Hunan Weizhen Plastic Industry Co Ltd
Current assignee: Hunan Weizhen Plastic Industry Co Ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-06-12
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses a multistation thermoforming machine, including base and roof, the equal fixed mounting in relative one side four corners of base and roof has spacing stand, and the both ends of four spacing stands sliding connection respectively have same cope match-plate pattern and lower bolster, actuating mechanism is installed to the bottom of roof, movable supporting mechanism is all installed to the both sides of base, actuating mechanism includes to rotate through the bearing and connects in the screw thread post of roof bottom outer wall axis department, and the one end key-type connection of screw thread post has driven fluted disc, one side that the roof is close to the screw thread post is rotated through the bearing and is connected with the bull stick, and the bottom of bull stick is key-connected with change gear and drive gear respectively, change gear meshes with driven fluted disc mutually. The utility model discloses can mutually support between through drive gear, change gear and the driven fluted disc, amplify the torsion that the rotating electrical machines provided, be favorable to ensureing effectively going on of compound die operation.

Description

Multi-station thermoforming machine

Technical Field

The utility model relates to a plastic products technical field especially relates to a multistation thermoforming machine.

Background

Thermoforming machines are used to process thermoplastic sheets into various articles. The sheet is clamped on the frame and heated to a softening state, and is tightly attached to the molded surface of the mold under the action of external force so as to obtain a shape similar to the molded surface. Cooling and shaping, and finishing to obtain the finished product. This process is also used for rubber processing. In recent years, thermoforming has made new advances, such as continuous production techniques ranging from extrusion of sheets to thermoforming.

Through retrieving the utility model patent that chinese patent application number is CN201820846966.0, disclosed a full-automatic thermoforming machine, including locating the die table of bottom and locating the die table No. four at top, still be equipped with two die tables and No. three die tables that can follow the stand and slide from top to bottom between die table and No. four die tables, a cylinder is installed to die table lower extreme, and the slider is installed to the upper end of a die table, is provided with two cushion blocks on the slider. However, the above patent directly provides the mold closing thrust through the gas-liquid pressure cylinder, and the generated thrust is limited, so that the mold closing thrust is only suitable for occasions with small mold closing pressure requirements, and has certain limitations.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a multi-station thermoforming machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a multi-station thermoforming machine comprises a base and a top plate, wherein four corners of one side of the base opposite to the top plate are fixedly provided with limit upright posts, two ends of the four limit upright posts are respectively connected with an upper template and a lower template in a sliding way, the bottom of the top plate is provided with a driving mechanism, the two sides of the base are respectively provided with a movable supporting mechanism, the driving mechanism comprises a threaded column which is rotatably connected to the central axis of the outer wall at the bottom of the top plate through a bearing, one end of the threaded column is connected with a driven fluted disc in a key way, one side of the top plate close to the threaded column is rotationally connected with a rotating rod through a bearing, the bottom end of the rotating rod is respectively in key connection with a speed change gear and a transmission gear, the speed change gear is meshed with the driven fluted disc, wherein two one side fixed mounting of spacing stand has the mounting panel, and mounting panel fixed mounting has rotating electrical machines, rotating electrical machines's output shaft key connection has the drive gear with drive gear engaged with.

Furthermore, a threaded cylinder matched with the threaded column is fixedly installed on the central axis of the top of the upper template, and reinforcing rods are fixedly installed on two sides of the threaded cylinder and one side, opposite to the upper template, of the upper template.

Furthermore, the relative one side of cope match-plate pattern and lower bolster is fixed mounting respectively has last mould and lower mould, and the top axis department fixed mounting of base has the pneumatic cylinder, and the extension rod of pneumatic cylinder is connected through the bolt with the lower bolster.

Furthermore, the movable supporting mechanism comprises two stepping motors fixedly arranged at two ends of the base, side rods are fixedly arranged on output shafts of the stepping motors, and supporting columns vertically arranged are fixedly arranged at the ends of the side rods.

Further, the bottom fixed mounting of roof has lower fixed disk, and the threaded post is close to one side fixed mounting of roof and has the fixed plate, and the lower fixed disk all opens the ring channel with the relative one side of fixed plate, and two ring channels roll connection have the ball that the equidistance distributes.

Furthermore, strip-shaped convex rods are fixedly mounted at four corners of the outer wall of the circumference of the limiting upright column.

Furthermore, the reinforcing rods are fixedly mounted on one sides of the limiting upright columns and are connected with the upper die plate in a sliding mode.

Compared with the prior art, the utility model provides a multistation thermoforming machine possesses following beneficial effect:

1. this multistation thermoforming machine, through the drive mechanism who sets up, can mutually support between drive gear, change gear and the driven fluted disc, enlargies the torsion that the rotating electrical machines provided, is favorable to ensureing effectively going on of compound die operation.

2. This multistation thermoforming machine, through the activity supporting mechanism who sets up, when the lower bolster was carried out the compound die operation by jack-up, can rotate the brace to the lower bolster below through step motor, be favorable to reducing the pressure of pneumatic cylinder, and do not need too high precision, convenient to use.

3. This multistation thermoforming machine through bar nose bar and the stiffener that sets up, can effectively improve the stability when lower bolster and cope match-plate pattern reciprocate, is favorable to going on of shaping operation.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses the principle is simple, convenient to use.

Drawings

Fig. 1 is a schematic view of an overall structure of a multi-station thermoforming machine according to the present invention;

fig. 2 is a schematic structural view of a transmission mechanism of a multi-station thermoforming machine according to the present invention;

fig. 3 is a schematic structural view of a movable supporting mechanism of a multi-station thermoforming machine according to the present invention.

In the figure: the device comprises a base 1, a hydraulic cylinder 2, a lower template 3, a support column 4, a stepping motor 5, an upper template 6, a strip-shaped convex rod 7, a reinforcing rod 8, a limiting upright column 9, a threaded column 10, a top plate 11, a driven fluted disc 12, a lower fixed disc 13, a fixed plate 14, a speed change gear 15, a driving gear 16, a rotating motor 17, a threaded cylinder 18 and a transmission gear 19.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-3, a multi-station thermoforming machine comprises a base 1 and a top plate 11, wherein limit columns 9 are welded at four corners of one side of the base 1 opposite to the top plate 11, two ends of the four limit columns 9 are respectively connected with an upper template 6 and a lower template 3 in a sliding manner, a driving mechanism is installed at the bottom of the top plate 11, movable supporting mechanisms are installed at two sides of the base 1, the driving mechanism comprises a threaded column 10 which is rotatably connected to the central axis of the outer wall of the bottom of the top plate 11 through a bearing, one end of the threaded column 10 is connected with a driven fluted disc 12 in a key manner, one side of the top plate 11 close to the threaded column 10 is rotatably connected with a rotating rod through a bearing, the bottom end of the rotating rod is respectively connected with a speed change gear 15 and a transmission gear 19 in a key manner, the speed change gear 15 is meshed with the driven fluted, an output shaft of the rotating electric machine 17 is keyed with a drive gear 16 that meshes with a transmission gear 19.

The utility model discloses in, the welding of the top axis department of cope match-plate pattern 6 has a screw thread section of thick bamboo 18 with screw thread post 10 looks adaptation, and the stiffener has all been welded with relative one side of the both sides of a screw thread section of thick bamboo 18 and cope match-plate pattern 6.

Wherein, relative one side of cope match-plate pattern 6 and lower bolster 3 is fixed with mould and lower mould through the bolt respectively, and the top axis department of base 1 has pneumatic cylinder 2 through the bolt fastening, and the extension rod of pneumatic cylinder 2 is connected through the bolt with lower bolster 3.

Wherein, the activity supporting mechanism includes two step motor 5 of being fixed in base 1 both ends through the bolt, and step motor 5's output shaft has the side lever through the bolt fastening, and the tip of side lever all welds the stay 4 of vertical setting.

Wherein, in order to improve the stability of screw thread post 10, the bottom welding of roof 11 has lower fixed disk 13, and screw thread post 10 has fixed plate 14 near the welding of one side of roof 11, and lower fixed disk 13 all opens the ring channel with fixed plate 14 one side relative, and two ring channels roll connection have the ball that the equidistance distributes.

The working principle is as follows: during the use, start rotating electrical machines 17 and drive gear 16 and rotate, utilize drive gear 19, mutually support between change gear 15 and the driven fluted disc, amplify the torsion that rotating electrical machines 17 provided, drive screw thread post 10 and rotate, because cope match-plate pattern 6 is unable rotatory, just can be under screw thread post 10, the cooperation of screw thread section of thick bamboo 18, promote the lower mould and move down, meanwhile, start pneumatic cylinder 2 and promote lower bolster 3, carry out the compound die operation, simultaneously, will prop post 4 and rotate to lower bolster 3 below through step motor 5, reduce the pressure of pneumatic cylinder 2, and do not need too high precision, high in use.

Example 2

Referring to fig. 1 and 3, in order to improve the stability of the upper mold plate 6 and the lower mold plate 3 moving in the vertical direction, strip-shaped protruding rods 7 are welded at four corners of the outer circumferential wall of the limiting upright column 9 in this embodiment, compared with embodiment 1.

Wherein, the stiffener 8 has all been welded to one side of spacing stand 9, and the stiffener 8 all with cope match-plate pattern 6 sliding connection.

The working principle is as follows: during the use, utilize the setting of bar nose bar 7 and stiffener 8, through its spacing effect, effectively improve the stability when lower bolster 3 and cope match-plate pattern 6 reciprocate, be favorable to going on of shaping operation.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a multistation thermoforming machine, includes base (1) and roof (11), its characterized in that, the equal fixed mounting in relative one side four corners of base (1) and roof (11) has spacing stand (9), and the both ends of four spacing stands (9) sliding connection respectively have same cope match-plate pattern (6) and lower bolster (3), actuating mechanism is installed to the bottom of roof (11), movable supporting mechanism is all installed to the both sides of base (1), actuating mechanism includes and rotates screw thread post (10) of connecting in roof (11) bottom outer wall axis department through the bearing, and the one end key-type connection of screw thread post (10) has driven fluted disc (12), one side that roof (11) are close to screw thread post (10) is rotated through the bearing and is connected with the bull stick, and the bottom of bull stick key-type connection respectively has change gear (15) and drive gear (19), change gear (15) and driven fluted disc (12) mesh mutually, wherein two one side fixed mounting of spacing stand (9) has the mounting panel, and mounting panel fixed mounting has rotating electrical machines (17), the output shaft key joint of rotating electrical machines (17) is connected with drive gear (16) with drive gear (19) looks meshing.

2. A multi-station thermoforming machine as claimed in claim 1, characterized in that a threaded cylinder (18) adapted to the threaded column (10) is fixedly mounted at the central axis of the top of the upper template (6), and reinforcing rods are fixedly mounted on both sides of the threaded cylinder (18) and the opposite side of the upper template (6).

3. The multi-station thermoforming machine as claimed in claim 2, wherein an upper die and a lower die are respectively and fixedly mounted on opposite sides of the upper template (6) and the lower template (3), a hydraulic cylinder (2) is fixedly mounted at a central axis of the top of the base (1), and an extension rod of the hydraulic cylinder (2) is connected with the lower template (3) through a bolt.

4. A multi-station thermoforming machine as claimed in claim 1, characterized in that the movable support mechanism comprises two stepper motors (5) fixedly mounted at two ends of the base (1), and side bars are fixedly mounted on output shafts of the stepper motors (5), and vertically arranged support columns (4) are fixedly mounted at ends of the side bars.

5. A multi-station thermoforming machine as claimed in claim 1, characterized in that a lower fixed plate (13) is fixedly mounted at the bottom of the top plate (11), a fixed plate (14) is fixedly mounted on one side of the threaded column (10) close to the top plate (11), annular grooves are formed in the opposite sides of the lower fixed plate (13) and the fixed plate (14), and balls distributed at equal intervals are connected in a rolling manner in the two annular grooves.

6. A multi-station thermoforming machine as claimed in claim 1, characterized in that four corners of the outer circumferential wall of the limit column (9) are fixedly provided with strip-shaped protruding rods (7).

7. A multi-station thermoforming machine as claimed in claim 1, characterised in that the reinforcing rods (8) are fixedly mounted on one side of the limiting columns (9) and the reinforcing rods (8) are slidably connected to the upper platen (6).