WO2023016081A1

WO2023016081A1 - Forming mold capable of three-side simultaneous overturning and mold closing

Info

Publication number: WO2023016081A1
Application number: PCT/CN2022/098866
Authority: WO
Inventors: 汤家祥; 范淑贞; 汤梦瑶; 余杰倩; 吕杭涛
Original assignee: 浙江天台祥和实业股份有限公司
Priority date: 2021-08-12
Filing date: 2022-06-15
Publication date: 2023-02-16
Also published as: CN113459382B; CN113459382A

Abstract

Disclosed in the present invention is a forming mold capable of three-side simultaneous overturning and mold closing. Side overturning grooves are respectively molded in left and right ends of a connecting supporting plate, and a front overturning groove is molded in the front end of the connecting supporting plate; a limiting device comprises a pair of side overturning plates which are respectively rotationally arranged in the side overturning grooves, and a front overturning plate which is rotationally arranged in the front overturning groove; the front overturning plate and the pair of side overturning plates are configured to be synchronously overturned; a right end face of the left side overturning plate and a left end face of the right side overturning plate are respectively vertically and elastically provided with a side pressing plate; a front pressing plate is vertically and movably arranged on a rear end face of the front overturning plate; ends, which are away from the side overturning plates, of lower end faces of the side pressing plates and an end, which is away from the front overturning plate, of a lower end face of the front pressing plate are respectively vertically and movably provided with an abutting unit; a primary driving plate is molded on each of a left end face and a right end face of the front pressing plate; and secondary driving blocks are molded on front end faces of the side pressing plates.

Description

A three-side synchronous flip mold forming mold

technical field

The invention relates to the technical field of forming molds, in particular to a forming mold with three-side synchronous flipping and mold clamping.

Background technique

At present, when small plastic foam parts are molded, they generally work in an assembly line. There are more than a dozen or even dozens of molding molds fixedly connected on a conveyor belt, and injection of foaming materials, mold closing, heating and foaming, mold opening, etc. The process needs to be completed within a few seconds, especially if the foaming time is too long, it will affect the quality of the product. However, the mold clamping and mold opening procedures in the prior art are complicated and take a long time, which not only affects the production efficiency, but also affects the product quality. , In addition, the sealing performance of the existing mold is poor after the mold is closed, causing some foaming material to overflow at the junction of the upper and lower molds, which reduces the density and weight of the product.

Contents of the invention

The object of the present invention is to provide a three-side synchronous flipping and clamping mold for the technical problems of troublesome opening and closing operations of the existing molding mold and poor sealing performance after mold clamping.

The technical solution of the present invention to solve the above-mentioned technical problems is as follows: a forming mold for three-side synchronous flipping and mold clamping, including a mold body and a limiting device; the mold body includes an upper template and a lower template; the rear ends of the upper template and the lower template are hinged into a One body; a molding cavity is formed on the upper end surface of the lower formwork; a connecting support plate is formed on the lower end of the left end surface, front end surface and right end surface of the lower formwork; Front overturning slot; the limit device includes a pair of side overturning plates respectively rotatably set in the side overturning slot and a front overturning plate rotatably set in the front overturning slot; the front overturning plate and a pair of side overturning plates are synchronously overturned; the left side The right end surface of the side turning plate of the right side and the left end surface of the side turning plate on the right side are respectively vertically elastically provided with a side pressing plate; the rear end surface of the front turning plate is vertically moved and provided with a front pressing plate; One end of the turning plate and the lower end of the front pressing plate away from the front turning plate are respectively vertically moved and provided with an abutment unit; the left and right ends of the front pressing plate are respectively formed with a main driving plate; the front end of the side pressing plate is formed with an auxiliary driving block; When a pair of side turning plates and the front turning plate are vertically upward, the main driving plate is located directly above the auxiliary driving block on the corresponding side.

As an optimization of the above technical solution, a pair of side lower support plates arranged symmetrically front and rear are respectively formed on the left end and right end of the lower end surface of the connection support plate; a pair of front lower support plates symmetrically arranged on the left and right are formed on the front end of the lower end surface of the connection support plate; A side center column is rotated between a pair of side lower support plates; the side turning plate is fixed on the side center column; the front end of the side center column exceeds the front side lower support plate; the front end of the side center column is fixed with a driven bevel gear A front center column is arranged to rotate between a pair of front lower support plates; the left and right ends of the front center column exceed a pair of front lower support plates and are fixed with a driving bevel gear; the driving bevel gear meshes with the driven bevel gear on the corresponding side.

As a preference of the above-mentioned technical solution, the abutment unit includes a "凵"-shaped abutment support frame with the opening facing downwards; an abutment main shaft is pivotally connected between a pair of vertical parts of the abutment support frame; the abutment main shaft is fixed on the There are several evenly spaced rollers.

As the preference of the above-mentioned technical scheme, a pair of symmetrically arranged vertical adjustment columns are formed against the upper end surface of the support frame; the vertical adjustment columns vertically pass through the side pressure plate or the front pressure plate; the side pressure plate and the front pressure plate vertically pass through and A vertical adjustment bolt is screwed; the bottom of the vertical adjustment bolt is pivotally connected to the upper end surface against the support frame.

As a preference of the above technical solution, flipping handles are respectively formed on the left end and the right end of the front face of the upper template.

As an optimization of the above technical solution, the upper part of the side turning plate is formed with a vertical moving groove penetrating left and right; a pair of vertical guide rods arranged symmetrically front and rear are formed between the upper and lower side walls of the vertical moving groove; the side pressure plate is vertically sleeved A pair of vertical guide rods on the corresponding sides; the bottom of the vertical guide rods is sheathed with a stage clip; the upper end of the stage clip abuts against the lower end surface of the side pressing plate, and the lower end abuts against the lower side wall of the vertical moving groove; The front side wall of the straight moving groove is formed with a front perforation for the vertical movement of the auxiliary drive block.

As an optimization of the above technical solution, the upper part of the front turnover plate is formed with a front vertical moving groove penetrating left and right; the upper and lower side walls of the front vertical moving groove are formed with a pair of front vertical guide pillars symmetrically arranged left and right; the front vertical moving groove The rear side wall is formed with a rear guide groove that runs through the front and back; the rear end surface of the front pressure plate is formed with a front guide block that cooperates with the rear guide groove and the front vertical moving groove; the front guide block is vertically sleeved on a pair of front vertical guides. on the column; a pair of main driving plates are respectively formed on the left and right end faces of the leading block; the main driving threaded rod is pivotally connected between the center of the upper and lower side walls of the front vertical moving groove; the leading block is screwed on the main driving threaded rod; The upper end of the driving threaded rod is fixed with a worm wheel; the front and rear sidewalls of the front vertical moving groove are pivotally connected with a worm; the worm is engaged with the worm;

As a preference of the above technical solution, a turning armrest is fixed on the upper end surface of the front turning plate.

The invention has the beneficial effects of simple structure, simple and fast operation, and good sealing performance of mold clamping.

Description of drawings

Fig. 1 is the structural representation of the top view of the present invention;

Fig. 2 is the structural representation of the section of A-A in Fig. 1 of the present invention;

Fig. 3 is a structural schematic diagram of the section B-B in Fig. 1 of the present invention.

In the figure, 10, mold body; 11, upper template; 111, turning handle; 12, lower template; 120, molding cavity; 13, connecting support plate; 130, front turning groove; 131, side turning groove; Support plate; 15, side lower support plate; 20, limit device; 21, front flip plate; 210, front vertical moving groove; 2100, rear guide groove; 211, front vertical guide column; 212, front center column; 213, overturning armrest; 22, worm screw; 221, rotating handle; 23, main drive screw rod; 231, worm gear; 24, driving bevel gear; 25, side turnover plate; 250, vertical moving slot; , vertical guide rod; 26, driven bevel gear; 27, compression spring; 28, side pressure plate; 281, auxiliary driving block; 282, leaning against support frame; 283, leaning against main shaft; Adjustment column; 286, vertical adjustment bolt; 29, front pressure plate; 291, main drive plate.

Detailed ways

As shown in Figures 1 to 3, a forming mold for three-side synchronous overturning mold clamping includes a mold body 10 and a limiting device 20; the mold body 10 includes an upper template 11 and a lower template 12; an upper template 11 and a lower template 12 The rear end of the lower formwork 12 is hinged into one body; the upper end surface of the lower template 12 is formed with a molding cavity 120; the lower end of the left end surface, the front end surface and the right end surface of the lower formwork 12 is formed with a connecting support plate 13; the left end and the right end of the connecting support plate 13 A side turning groove 131 is formed respectively, and a front turning groove 130 is formed at the front end; the limiting device 20 includes a pair of side turning plates 25 respectively rotatably arranged in the side turning groove 131 and a front turning plate rotatably arranged in the front turning groove 130 21. The front turning plate 21 and a pair of side turning plates 25 are turned over and set synchronously; the right end surface of the left side turning plate 25 and the left end surface of the right side turning plate 25 are respectively vertically elastically provided with side pressure plates 28; The rear end surface of front flip plate 21 vertically moves and is provided with front pressing plate 29; By the unit; the left and right end faces of the front pressing plate 29 are respectively formed with a main drive plate 291; the front end face of the side pressing plate 28 is formed with a secondary driving block 281; The driving plate 291 is located directly above the auxiliary driving block 281 on the corresponding side.

As shown in Figures 1 to 3, the left end and the right end of the lower end surface of the connecting support plate 13 are respectively formed with a pair of side lower support plates 15 arranged symmetrically front and back; The front lower support plate 14; a pair of side lower support plates 15 are rotated to be provided with a side center column 252; the side turning plate 25 is fixed on the side center column 252; the front end of the side center column 252 exceeds the front side lower support plate 15 The front end of the side center column 252 is fixed with a driven bevel gear 26; a pair of front lower support plates 14 are rotated to be provided with a front center column 212; the left and right ends of the front center column 212 exceed a pair of front lower support plates 14 and are fixed There is a driving bevel gear 24; the driving bevel gear 24 meshes with a driven bevel gear 26 on the corresponding side.

As shown in Figures 1 to 3, the abutment unit includes a "凵"-shaped abutment support frame 282 with the opening facing downwards; an abutment main shaft 283 is pivotally connected between a pair of vertical parts of the abutment support frame 282; A number of evenly distributed rollers 284 are fixed against the main shaft 283 .

As shown in Figures 1 to 3, a pair of symmetrically arranged vertical adjustment columns 285 are formed against the upper surface of the support frame 282; the vertical adjustment columns 285 vertically pass through the side pressure plate 28 or the front pressure plate 29; the side pressure plate 28 and A vertical adjustment bolt 286 passes vertically through the front pressing plate 29 and is screwed to it;

As shown in FIG. 1 and FIG. 2 , flipping handles 111 are respectively formed on the left end and the right end of the front face of the upper template 11 .

As shown in Figures 1 to 3, the upper part of the side turning plate 25 is formed with a vertical moving groove 250 penetrating left and right; a pair of vertical guide rods 251 symmetrically arranged front and rear are formed between the upper and lower side walls of the vertical moving groove 250; The side pressure plate 28 is vertically sleeved on a pair of vertical guide rods 251 on the corresponding side; the bottom of the vertical guide rod 251 is sleeved with a compression spring 27; Lean against the lower side wall of the vertical moving slot 250; the front side wall of the vertical moving slot 250 is formed with a front through hole 2500 for the auxiliary driving block 281 to move vertically.

As shown in Fig. 1 and Fig. 2, the upper part of the front turnover plate 21 is formed with a front vertical moving groove 210 penetrating left and right; The rear side wall of the front vertical moving groove 210 is formed with a rear guide groove 2100 that runs through front and rear; the rear end surface of the front pressing plate 29 is formed with a leading block that cooperates with the rear guiding groove 2100 and the front vertical moving groove 210; the leading block Vertically sleeved on a pair of front vertical guide pillars 211; a pair of main drive plates 291 are respectively formed on the left and right end faces of the front guide block; the center of the upper and lower side walls of the front vertical moving groove 210 is pivotally connected with a main drive thread Rod 23; The leading block is screwed on the main drive threaded rod 23; the upper end of the main drive threaded rod 23 is fixed with a worm wheel 231; the front and rear side walls of the vertical moving groove 210 are pivotally connected with a worm 22 between the upper left corner; the worm 22 and The worm wheel 231 is engaged; the front end of the worm 22 exceeds the front end face of the front turnover plate 21 and is fixed with a rotating handle 221 .

As shown in FIG. 1 and FIG. 2 , the upper end surface of the front flip plate 21 is fixed with a flip armrest 213 .

The working principle of the forming mold with three-side synchronous flipping and clamping;

In the initial state, the upper formwork 11 and the lower formwork 12 are separated, and a pair of side turning plates 25 and front turning plates 21 are in a horizontal state;

When closing the mold, the upper template 11 flips forward until it is molded with the lower template 12, then the front flipping plate 21 flips backwards, and through bevel gear transmission, a pair of side flipping plates 25 turn inward until the front flipping plate 21 and a pair of side flipping plates The overturning plate 25 is in a vertical state. At this time, the three abutting units are respectively located on the upper left, upper right, and upper front of the upper template 11, and then the operator drives the rotating handle 221, the worm 22, the worm wheel 231 and the main drive threaded rod 23. The front pressing plate 29 moves down vertically, and a pair of side pressing plates 28 are driven down vertically synchronously by a pair of main driving plates 291 and a pair of auxiliary driving blocks 281, so that the three abutting units lean against the upper template 11, so that the upper template 11 and the lower template 12 are tightly closed, and the forming mold has good sealing performance;

The vertical movement of the abutting unit relative to the side pressing plate 28 and the front pressing plate 29 can ensure that the abutting unit will not interfere with the upper formwork 11 during the overturning process of the front turning plate 21 and a pair of side turning plates 25, and at the same time, it can avoid that the upper formwork 11 The difference in levelness of the upper end surface of the abutment unit does not contact the upper end of the upper formwork 11, further ensuring good sealing of the mold clamping;

In this way, the operation is simple and fast, and the sealing performance of the forming mold is good.

The above content is only the preferred implementation mode of the present invention. For those of ordinary skill in the art, according to the idea of the present invention, there are changes in the specific implementation mode and application scope. limit.

Claims

A forming mold for three-side synchronous overturning mold clamping, characterized in that: it includes a mold body (10) and a limiting device (20); the mold body (10) includes an upper template (11) and a lower template (12); the upper template (11) and the rear end of the lower template (12) are hinged into one; the upper end surface of the lower template (12) is formed with a molding cavity (120); the left end face, front end face and right end face of the lower template (12) are three lower A connection support plate (13) is formed; the left end and the right end of the connection support plate (13) are respectively formed with a side turning groove (131), and the front end is formed with a front turning groove (130); the limit device (20) includes a pair of rotating The side turning plate (25) arranged in the side turning groove (131) and the front turning plate (21) rotated and arranged in the front turning groove (130); the front turning plate (21) and a pair of side turning plates (25) Synchronous overturning setting; the left end face of the side turning plate (25) of the left side and the left end face of the side turning plate (25) of the right side are respectively vertically elastically provided with a side pressing plate (28); the front turning plate (21) The vertical movement on the rear end surface is provided with a front pressing plate (29); the lower end surface of the side pressing plate (28) is away from an end of the side turning plate (25), and the lower end surface of the front pressing plate (29) is away from an end of the front turning plate (21) respectively. The vertical movement is provided with an abutment unit; the left and right end surfaces of the front pressure plate (29) are respectively formed with a main drive plate (291); the front end surface of the side pressure plate (28) is formed with an auxiliary drive block (281); When the plate (25) and the front turnover plate (21) were vertically upward, the main drive plate (291) was positioned directly above the auxiliary drive block (281) on the corresponding side.
According to claim 1, a forming mold for three-side synchronous overturning mold clamping is characterized in that: the left end and the right end of the lower end surface connected to the support plate (13) are respectively formed with a pair of side lower support plates (15) symmetrically arranged front and rear ); the front end of the lower end face of the connecting support plate (13) is formed with a pair of left and right symmetrically arranged front lower support plates (14); a pair of side lower support plates (15) are rotated to be provided with side center columns (252); Turnover plate (25) is fixed on the side central column (252); The front end of side central column (252) exceeds the side lower support plate (15) of front side; The front end of side central column (252) is fixed with driven bevel gear ( 26); a pair of front lower support plates (14) are rotated with a front center column (212); the left and right ends of the front center column (212) exceed a pair of front lower support plates (14) and are fixed with a driving bevel gear (24); the driving bevel gear (24) meshes with the driven bevel gear (26) on the corresponding side.
According to claim 1, a forming mold for three-side synchronous overturning and mold clamping is characterized in that: the abutting unit includes a "凵"-shaped abutting support frame (282) with the opening facing downwards; the abutting support frame ( 282) is pivotally connected with a main shaft (283) between a pair of vertical parts; a number of evenly distributed rollers (284) are fixed on the main shaft (283).
According to claim 2, a forming mold for three-side synchronous overturning mold clamping is characterized in that: a pair of symmetrically arranged vertical adjustment columns (285) are formed against the upper end surface of the support frame (282); vertical adjustment Column (285) vertically passes through side pressure plate (28) or front pressure plate (29); Vertically passes on side pressure plate (28) and front pressure plate (29) and is screwed with vertical adjustment bolt (286); The bottom of the adjusting bolt (286) is pivoted against the upper end surface of the support frame (282).
According to claim 1, a forming mold for three-side synchronous flipping mold clamping is characterized in that: the left end and the right end of the front face of the upper template (11) are respectively formed with turning handles (111).
According to claim 1, a forming mold for three-side synchronous flipping mold clamping is characterized in that: the upper part of the side flipping plate (25) is formed with a vertical moving groove (250) penetrating left and right; the vertical moving groove (250) ) is formed with a pair of vertical guide rods (251) symmetrically arranged front and back; a pair of vertical guide rods (251) that are vertically sleeved on the corresponding side by the side pressure plate (28); vertical guide rods ( The bottom of 251) is sheathed with stage clip (27); The upper end of stage clip (27) leans against the lower end surface of side pressure plate (28), and the lower end leans against the lower sidewall of vertical moving groove (250); A front perforation (2500) for the vertical movement of the auxiliary drive block (281) is formed on the front side wall of the moving slot (250).
According to claim 1, a forming mold for three-side synchronous flipping mold clamping is characterized in that: the upper part of the front flipping plate (21) is formed with a front vertical moving groove (210) penetrating left and right; the front vertical moving groove The upper and lower side walls of (210) are formed with a pair of left and right symmetrical front vertical guide columns (211); the rear side walls of the front vertical moving groove (210) are formed with rear guide grooves (2100) that run through the front and back; The rear end face of (29) is formed with a leading block cooperating with the rear guide groove (2100) and the front vertical moving groove (210); the leading block is vertically sleeved on a pair of front vertical guide pillars (211); The main driving plate (291) is respectively formed on the left and right end faces of the leading block; the main driving threaded rod (23) is pivotally connected between the upper and lower side wall centers of the front vertical moving groove (210); the leading block is screwed on the main driving On the threaded rod (23); the upper end of the main drive threaded rod (23) is fixed with a worm wheel (231); the worm (22) is articulated between the front and rear side walls of the front vertical moving groove (210); the worm (22) ) is engaged with the worm wheel (231); the front end of the worm screw (22) exceeds the front end face of the front turnover plate (21) and is fixed with a rotary handle (221).
The forming mold for three-side synchronous flipping mold clamping according to claim 1, characterized in that: the upper end surface of the front flipping plate (21) is fixed with a flipping handrail (213).