Electric vehicle headlamp base injection mold with hidden assembly structure

Abstract

The utility model provides an electric vehicle headlamp base injection mold with a hidden assembly structure, and belongs to the technical field of molds. The die comprises an upper die plate and a lower die plate, two forming cavities are symmetrically formed between the upper die plate and the lower die plate, and a one-outlet two-glue-inlet assembly is further arranged between the upper die plate and the lower die plate. The five-point type assembly plate forming structure can form five assembly plates on the outer edge of a base during injection molding of a base product, and the hidden assembly structure forming assembly can form hidden assembly structures on the upper and lower end faces of the base, so that the product can be directly used for assembly after injection molding, post processing is not needed, and the production efficiency is improved. After a product is subjected to injection molding, the multi-straight-ejector-rod ejection assembly can apply vertical upward thrust to all positions of the product at the same time, and therefore the product can be ejected out without damage.

Description

Technical Field

[0001] The utility model belongs to the technical field of molds and relates to an injection mold for a headlight base of an electric vehicle with a hidden assembly structure. Background Art

[0002] The base of the headlight of an electric vehicle is generally formed by injection molding. In the prior art, the mold of the headlight base cannot directly form a base assembly structure on the base during injection molding, and needs to be processed later, resulting in low production efficiency.

[0003] For example, a Chinese patent discloses a bidirectional ejection mechanism for an electric vehicle headlight base mold [application number: 202223256582.9], which includes a headlight base molding upper mold and a headlight base molding lower mold, and an injection molded part is provided above the headlight base molding upper mold. Utility Model Content

[0004] The utility model aims to solve the above problems and provides an injection mold for an electric vehicle headlight base with a hidden assembly structure.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An injection mold for an electric vehicle headlight base with a hidden assembly structure comprises an upper template and a lower template, two molding cavities are symmetrically arranged between the upper template and the lower template, a one-outlet and two-inlet glue component is also arranged between the upper template and the lower template, a five-point assembly plate molding structure arranged at the edge of the molding cavity and a hidden assembly structure molding component arranged in the middle of the molding cavity are also arranged between the upper template and the lower template, and a multi-straight ejector assembly connected to the molding cavity is also arranged on the lower side of the lower template.

[0007] In the above-mentioned injection mold for the electric vehicle headlight base with a hidden assembly structure, the bottom of the upper template is protruding with an upper molding insert with an arc-shaped cross-section, the top of the lower template is recessed inwardly with a lower molding groove with an arc-shaped cross-section, the upper molding insert is recessed inwardly with two base molding grooves, and two base molding blocks are protruding in the lower molding groove, and the molding cavity is formed between the base molding groove and the base molding block.

[0008] In the above-mentioned electric vehicle headlight base injection mold with a hidden assembly structure, the hidden assembly structure molding component includes a No. 1 bolt assembly part molding structure arranged in the base molding groove and a plurality of No. 2 bolt assembly part molding structures arranged on the top of the base molding block.

[0009] In the above-mentioned injection mold of the electric vehicle headlight base with a hidden assembly structure, the No. 1 bolt assembly part molding structure includes a No. 1 bolt assembly column molding groove which is recessed inwardly and arranged at the bottom of the base molding groove, and a No. 1 bolt assembly hole molding rod is arranged at the center of the No. 1 bolt assembly column molding groove. The cross-sections of the No. 1 bolt assembly column molding groove and the No. 1 bolt assembly hole molding rod are both circular, and a reinforcing plate molding groove is arranged on the periphery of the No. 1 bolt assembly column molding groove, and a plurality of No. 1 reinforcing rib plate molding grooves are arranged between the reinforcing plate molding groove and the No. 1 bolt assembly column molding groove, and a plurality of No. 1 bolt assembly column molding grooves are arranged circumferentially along the No. 1 bolt assembly column molding groove.

[0010] In the above-mentioned injection mold of the electric vehicle headlight base with a hidden assembly structure, the No. 2 bolt assembly part molding structure includes a No. 2 bolt assembly column molding groove which is recessed inwardly and arranged on the top surface of the base molding block, and a No. 2 bolt assembly hole molding rod is arranged at the center of the No. 2 bolt assembly column molding groove. The cross-sections of the No. 2 bolt assembly column molding groove and the No. 2 bolt assembly hole molding rod are both circular, and a number of No. 2 reinforcing rib plate molding grooves are also arranged on the circumferential surface of the No. 2 bolt assembly column molding groove.

[0011] In the above-mentioned injection mold of the electric vehicle headlight base with a hidden assembly structure, the five-point assembly plate molding structure includes three No. 1 outer assembly plate molding grooves connected to the outer side wall of the molding cavity, and two No. 2 outer assembly plate molding grooves connected to the inner side wall of the molding cavity. No. 3 bolt assembly hole molding rods are arranged in the No. 1 outer assembly plate molding groove and the No. 2 outer assembly plate molding groove.

[0012] In the above-mentioned injection mold of the electric vehicle headlight base with a hidden assembly structure, the three No. 1 outer assembly plate molding grooves are respectively connected to the middle position and both ends of the outer side wall of the molding cavity; the two No. 2 outer assembly plate molding grooves are respectively connected to the two ends of the inner side wall of the molding cavity.

[0013] In the above-mentioned injection mold for the electric vehicle headlight base with a hidden assembly structure, the one-outlet and two-inlet glue assembly includes an injection tube vertically arranged in the upper mold plate, and the lower mold plate is provided with a glue feed channel connected to the injection tube, and the glue feed channel is arranged between the two molding cavities and the two ends of the glue feed channel are respectively connected to the two molding cavities.

[0014] In the above-mentioned injection mold for the electric vehicle headlight base with a hidden assembly structure, the multi-straight ejector rod ejection assembly includes a top plate arranged on the lower side of the lower mold plate, and a plurality of vertically arranged straight ejector rods are fixedly connected to the top plate, and the top ends of the straight ejector rods are connected to the bottom of the molding cavity.

[0015] In the above-mentioned injection mold for the electric vehicle headlight base with a hidden assembly structure, three vertically arranged excess material ejector rods are also provided on the top plate, and the top ends of the three excess material ejector rods are respectively connected to the middle and both ends of the glue inlet flow channel.

[0016] Compared with the existing technology, the advantages of the utility model are:

[0017] 1. The two molding cavities can form two headlight bases at one time during injection molding. The one-outlet and two-inlet glue assembly can directly inject the injection liquid into the two molding cavities. The five-point assembly plate molding structure can form five assembly plates at the outer edge of the base during the injection molding of the base product. The hidden assembly structure molding assembly can form a hidden assembly structure on the upper and lower end surfaces of the base, so that the product can be directly used for assembly after injection molding without post-processing. After the product is injection molded, the multi-straight ejector assembly can simultaneously apply a vertical upward thrust to each position of the product so that the product can be ejected without damage.

[0018] 2. The No. 1 bolt assembly part molding structure can form a No. 1 bolt assembly part for bolt assembly at the top of the base when the product is injected, and a plurality of No. 2 bolt assembly part molding structures can form a plurality of No. 2 bolt assembly parts for bolt assembly at the bottom of the base when the product is injected. The No. 1 bolt assembly part and the No. 2 bolt assembly part can cover the bolt end without exposing the bolt.

[0019] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the external structure of the utility model;

[0021] Figure 2 It is a cross-sectional view of the utility model;

[0022] Figure 3 It is a structural diagram of the lower template;

[0023] Figure 4 It is a structural schematic diagram of the upper template;

[0024] Figure 5 It is a partial structural schematic diagram of the utility model.

[0025] In the figure, an upper template 1, a lower template 2, a molding cavity 3, a one-outlet and two-inlet glue component 4, a five-point assembly plate molding structure 5, a multi-straight ejector rod ejection component 6, an upper molding insert 7, a lower molding groove 8, a base molding groove 9, a base molding block 10, a No. 1 bolt assembly part molding structure 11, a No. 2 bolt assembly part molding structure 12, a No. 1 bolt assembly column molding groove 13, a No. 1 bolt assembly hole molding rod 14, a reinforcing plate molding groove 15, a No. 1 reinforcing rib plate molding groove 16, a No. 2 reinforcing rib plate molding groove 17, a No. 2 bolt assembly hole molding rod 18, a No. 2 bolt assembly column molding groove 19, a No. 1 outer assembly plate molding groove 20, a No. 2 outer assembly plate molding groove 21, a No. 3 bolt assembly hole molding rod 22, an injection tube 23, a glue inlet flow channel 24, a top plate 25, a straight ejector rod 26, and a residual material ejector rod 27. DETAILED DESCRIPTION

[0026] like Figure 1-Figure 5 As shown, an injection mold for an electric vehicle headlight base with a hidden assembly structure includes an upper template 1 and a lower template 2, two molding cavities 3 are symmetrically arranged between the upper template 1 and the lower template 2, a two-in-one glue inlet component 4 is also arranged between the upper template 1 and the lower template 2, a five-point assembly plate molding structure 5 arranged at the edge of the molding cavity 3 and a hidden assembly structure molding component arranged in the middle position of the molding cavity 3 are also arranged between the upper template 1 and the lower template 2, and a multi-straight ejector assembly 6 connected to the molding cavity 3 is also provided on the lower side of the lower template 2.

[0027] In the utility model, the two molding cavities 3 can be injection molded into two headlight bases at one time during injection molding, the one-outlet and two-inlet glue component 4 can directly inject the injection liquid into the two molding cavities, the five-point assembly plate molding structure 5 can be molded into five assembly plates at the outer edge of the base when the base product is injection molded, and the hidden assembly structure molding component can be molded into a hidden assembly structure on the upper and lower end surfaces of the base, so that the product can be directly used for assembly after injection molding without the need for post-processing. After the product is injection molded, the multi-straight ejector assembly 6 can simultaneously apply a vertical upward thrust to each position of the product so that the product can be ejected without damage.

[0028] Specifically, the upper molded insert 7 with an arc-shaped cross section is protruding from the bottom of the upper mold plate 1, and the lower molded groove 8 with an arc-shaped cross section is recessed inwardly at the top of the lower mold plate 2. Two base molding grooves 9 are recessed inwardly on the upper molded insert 7, and two base molding blocks 10 are protrudingly arranged in the lower molding groove 8. The molding cavity 3 is formed between the base molding groove 9 and the base molding block 10. The hidden assembly structure molding component includes a No. 1 bolt assembly part molding structure 11 arranged in the base molding groove 9 and a plurality of No. 2 bolt assembly part molding structures 12 arranged on the top of the base molding block 10. The No. 1 bolt assembly part molding structure 11 can mold a No. 1 bolt assembly part for bolt assembly at the top of the base during product injection molding, and the plurality of No. 2 bolt assembly part molding structures 12 can mold a plurality of No. 2 bolt assembly parts for bolt assembly at the bottom of the base during product injection molding. The No. 1 bolt assembly part and the No. 2 bolt assembly part can cover the ends of the bolts therein without exposing the bolts.

[0029] Specifically, the No. 1 bolt assembly part forming structure 11 includes a No. 1 bolt assembly column forming groove 13 which is recessed inwardly and arranged at the bottom of the base forming groove 9. A No. 1 bolt assembly hole forming rod 14 is arranged at the center of the No. 1 bolt assembly column forming groove 13. The cross sections of the No. 1 bolt assembly column forming groove 13 and the No. 1 bolt assembly hole forming rod 14 are both circular. A reinforcing plate forming groove 15 is arranged at the periphery of the No. 1 bolt assembly column forming groove 13. A plurality of No. 1 reinforcing rib plate forming grooves 16 are arranged between the reinforcing plate forming groove 15 and the No. 1 bolt assembly column forming groove 13. The plurality of No. 1 bolt assembly column forming grooves 13 are arranged circumferentially along the No. 1 bolt assembly column forming groove 13. The No. 1 bolt assembly column forming groove 13 can form a protruding No. 1 bolt assembly column at the top of the base. The No. 1 bolt assembly hole forming rod 14 can form a No. 1 bolt assembly hole at the center of the No. 1 bolt assembly column. The reinforcing plate forming groove 15 and the No. 1 reinforcing rib plate forming groove 16 can respectively form a reinforcing plate and a No. 1 reinforcing plate rib for increasing the strength of the No. 1 bolt assembly column.

[0030] Specifically, the No. 2 bolt assembly part forming structure 12 includes a No. 2 bolt assembly column forming groove 19 which is recessed inwardly and arranged on the top surface of the base forming block 10. A No. 2 bolt assembly hole forming rod 18 is arranged at the center of the No. 2 bolt assembly column forming groove 19. The cross-sections of the No. 2 bolt assembly column forming groove 19 and the No. 2 bolt assembly hole forming rod 18 are both circular. A plurality of No. 2 reinforcing rib plate forming grooves 17 are also arranged on the circumferential surface of the No. 2 bolt assembly column forming groove 19. The No. 2 bolt assembly column forming groove 19 can form a protruding No. 2 bolt assembly column at the bottom of the base, the No. 2 bolt assembly hole forming rod 18 can form a No. 2 bolt assembly hole at the center of the No. 2 bolt assembly column, and the plurality of No. 2 reinforcing rib plate forming grooves 17 can form a plurality of No. 2 reinforcing plate ribs on the circumferential surface of the No. 2 bolt assembly column.

[0031] Specifically, combined with Figure 3 and Figure 4 As shown, the five-point assembly plate forming structure 5 includes three No. 1 outer assembly plate forming grooves 20 connected to the outer side wall of the forming cavity 3, the two No. 2 outer assembly plate forming grooves 21 connected to the inner side wall of the forming cavity 3, and the No. 3 bolt assembly hole forming rods 22 are arranged in the No. 1 outer assembly plate forming grooves 20 and the No. 2 outer assembly plate forming grooves 21. The three No. 1 outer assembly plate forming grooves 20 are respectively connected to the middle position and both ends of the outer side wall of the forming cavity 3; the two No. 2 outer assembly plate forming grooves 21 are respectively connected to the two ends of the inner side wall of the forming cavity 3. The three No. 1 outer assembly plate forming grooves 20 and the two No. 2 outer assembly plate forming grooves 21 can form five outer assembly plates at the outer edge of the base, and the No. 3 bolt assembly hole forming rods 22 can form No. 3 bolt assembly holes on the outer assembly plates.

[0032] Specifically, the one-outlet-two-injection assembly 4 includes an injection tube 23 vertically arranged in the upper mold plate 1, and the lower mold plate 2 is provided with an injection channel 24 connected to the injection tube 23, and the injection channel 24 is arranged between the two molding cavities 3, and the two ends of the injection channel 24 are respectively connected to the two molding cavities 3. The injection tube 23 can inject the injection liquid into the injection channel, and then inject the injection liquid into the two molding cavities at the same time through the injection channel.

[0033] Specifically, the multi-straight ejector assembly 6 includes a top plate 25 disposed on the lower side of the lower mold plate 2, and a plurality of vertically disposed straight ejector rods 26 are fixedly connected to the top plate 25, and the top ends of the straight ejector rods 26 are connected to the bottom of the molding cavity 3. When the top plate moves upward, a plurality of straight ejector rods can simultaneously apply vertical upward thrust to multiple positions at the bottom of the product, thereby ejecting the product without damage.

[0034] Preferably, three vertically arranged residual material push rods 27 are further provided on the top plate 25, and the top ends of the three residual material push rods 27 are respectively connected to the middle part and both ends of the glue feed channel 24. When the top plate 25 moves upward, the three residual material push rods 27 can also apply thrust to the residual material in the glue feed channel, so that the residual material in the glue feed channel can be ejected together when the product is ejected.

[0035] The working principle of the utility model is as follows: two molding cavities 3 can form two headlight bases at one time during injection molding, a one-outlet and two-inlet glue assembly 4 can directly inject injection liquid into the two molding cavities, a five-point assembly plate molding structure 5 can form five assembly plates at the outer edge of the base during the injection molding of the base product, and a hidden assembly structure molding assembly can form a hidden assembly structure on the upper and lower end surfaces of the base, so that the product can be directly used for assembly after injection molding without post-processing, and after the product is injection molded, a multi-straight ejector assembly 6 can simultaneously apply a vertical upward thrust to each position of the product so that the product can be ejected without damage;

[0036] The No. 1 bolt assembly part forming structure 11 can form a No. 1 bolt assembly part for bolt assembly at the top of the base during product injection molding, and a plurality of No. 2 bolt assembly part forming structures 12 can form a plurality of No. 2 bolt assembly parts for bolt assembly at the bottom of the base during product injection molding. The No. 1 bolt assembly part and the No. 2 bolt assembly part can cover the bolt ends therein without exposing the bolts. The No. 1 bolt assembly column forming groove 13 can form a protruding No. 1 bolt assembly column at the top of the base, and the No. 1 bolt assembly hole forming rod 14 can be formed on the No. 1 bolt assembly hole. A No. 1 bolt assembly hole is formed at the center of the bolt assembly column, the reinforcing plate forming groove 15 and the No. 1 reinforcing rib plate forming groove 16 can respectively form a reinforcing plate and a No. 1 reinforcing plate rib for increasing the strength of the No. 1 bolt assembly column, the No. 2 bolt assembly column forming groove 19 can form a protruding No. 2 bolt assembly column at the bottom of the base, the No. 2 bolt assembly hole forming rod 18 can form a No. 2 bolt assembly hole at the center of the No. 2 bolt assembly column, and a plurality of No. 2 reinforcing rib plate forming grooves 17 can form a plurality of No. 2 reinforcing plate ribs on the circumferential surface of the No. 2 bolt assembly column;

[0037] The three No. 1 outer assembly plate forming grooves 20 and the two No. 2 outer assembly plate forming grooves 21 can form five outer assembly plates at the outer edge of the base, and the No. 3 bolt assembly hole forming rods 22 can form No. 3 bolt assembly holes on the outer assembly plates;

[0038] The injection tube 23 can inject the injection liquid into the glue feed channel, and then inject the injection liquid into the two molding cavities at the same time through the glue feed channel. The top plate moves upward and can apply a vertical upward thrust to multiple positions at the bottom of the product through a plurality of straight ejector rods at the same time, so that the product can be ejected without damage. When the top plate 25 moves upward, it can also apply a thrust to the residual material in the glue feed channel through three residual material ejector rods 27, so that the residual material in the glue feed channel can be ejected together when the product is ejected.

[0039] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0040] Although this article uses more frequently the upper template 1, the lower template 2, the molding cavity 3, the one-outlet and two-inlet glue component 4, the five-point assembly plate molding structure 5, the multi-straight ejector rod ejection component 6, the upper molding insert 7, the lower molding groove 8, the base molding groove 9, the base molding block 10, the No. 1 bolt assembly part molding structure 11, the No. 2 bolt assembly part molding structure 12, the No. 1 bolt assembly column molding groove 13, the No. 1 bolt assembly hole molding rod 14, the reinforcement plate molding groove 15, the No. 1 reinforcement rib plate molding groove 16, the No. 2 reinforcement rib plate molding groove 17, the No. 2 bolt assembly hole molding rod 18, the No. 2 bolt assembly column molding groove 19, the No. 1 outer assembly plate molding groove 20, the No. 2 outer assembly plate molding groove 21, the No. 3 bolt assembly hole molding rod 22, the injection tube 23, the glue inlet flow channel 24, the ejector plate 25, the straight ejector rod 26, the residual material ejector rod 27, etc., these terms are used only to more conveniently describe and explain the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. An injection mold for an electric vehicle headlight base with a hidden assembly structure, comprising an upper mold plate (1) and a lower mold plate (2), characterized in that: Two molding cavities (3) are symmetrically arranged between the upper mold plate (1) and the lower mold plate (2); a two-in-one glue inlet assembly (4) is also arranged between the upper mold plate (1) and the lower mold plate (2); a five-point assembly plate molding structure (5) arranged at the edge of the molding cavity (3) and a hidden assembly structure molding assembly arranged in the middle of the molding cavity (3) are also arranged between the upper mold plate (1) and the lower mold plate (2); and a multi-straight ejector assembly (6) connected to the molding cavity (3) is also arranged on the lower side of the lower mold plate (2).

2. The injection mold for the electric vehicle headlight base with a hidden assembly structure according to claim 1, characterized in that: The upper molded part (1) is provided with an upper molding insert (7) with an arc-shaped cross section protruding from the bottom, and the lower molded part (2) is provided with a lower molding groove (8) with an arc-shaped cross section recessed inwardly at the top, and two base molding grooves (9) are recessed inwardly on the upper molding insert (7), and two base molding blocks (10) are protruding from the lower molding groove (8), and the molding cavity (3) is formed between the base molding groove (9) and the base molding block (10).

3. The injection mold for the electric vehicle headlight base with a hidden assembly structure according to claim 2, characterized in that: The concealed assembly structure forming component comprises a No. 1 bolt assembly part forming structure (11) arranged in a base forming groove (9) and a plurality of No. 2 bolt assembly part forming structures (12) arranged on the top of the base forming block (10).

4. The electric vehicle headlight base injection mold with a hidden assembly structure according to claim 3, characterized in that: The No. 1 bolt assembly part forming structure (11) comprises a No. 1 bolt assembly column forming groove (13) which is recessed inwardly and arranged at the bottom of the base forming groove (9); a No. 1 bolt assembly hole forming rod (14) is arranged at the center of the No. 1 bolt assembly column forming groove (13); the cross-sections of the No. 1 bolt assembly column forming groove (13) and the No. 1 bolt assembly hole forming rod (14) are both circular; a reinforcing plate forming groove (15) is arranged at the periphery of the No. 1 bolt assembly column forming groove (13); a plurality of No. 1 reinforcing rib plate forming grooves (16) are arranged between the reinforcing plate forming groove (15) and the No. 1 bolt assembly column forming groove (13); and the plurality of No. 1 bolt assembly column forming grooves (13) are arranged circumferentially along the No. 1 bolt assembly column forming groove (13).

5. The injection mold for the electric vehicle headlight base with a hidden assembly structure according to claim 4, characterized in that: The No. 2 bolt assembly part forming structure (12) comprises a No. 2 bolt assembly column forming groove (19) which is recessed inwardly and arranged on the top surface of the base forming block (10); a No. 2 bolt assembly hole forming rod (18) is arranged at the center of the No. 2 bolt assembly column forming groove (19); the cross-sections of the No. 2 bolt assembly column forming groove (19) and the No. 2 bolt assembly hole forming rod (18) are both circular; and a plurality of No. 2 reinforcing rib plate forming grooves (17) are also arranged on the circumferential surface of the No. 2 bolt assembly column forming groove (19).

6. The injection mold for the electric vehicle headlight base with a hidden assembly structure according to claim 1, characterized in that: The five-point assembly plate forming structure (5) comprises three No. 1 outer assembly plate forming grooves (20) connected to the outer side wall of the forming cavity (3), and two No. 2 outer assembly plate forming grooves (21) connected to the inner side wall of the forming cavity (3). No. 3 bolt assembly hole forming rods (22) are arranged in the No. 1 outer assembly plate forming grooves (20) and the No. 2 outer assembly plate forming grooves (21).

7. The injection mold for the electric vehicle headlight base with a hidden assembly structure according to claim 6, characterized in that: The three No. 1 outer assembly plate forming grooves (20) are respectively connected to the middle position and both ends of the outer side wall of the forming cavity (3); and the two No. 2 outer assembly plate forming grooves (21) are respectively connected to the both ends of the inner side wall of the forming cavity (3).

8. The injection mold for the electric vehicle headlight base with a hidden assembly structure according to claim 1, characterized in that: The one-outlet-two-inlet glue assembly (4) comprises an injection tube (23) vertically arranged in the upper mold plate (1); a glue feed channel (24) connected to the injection tube (23) is arranged on the lower mold plate (2); the glue feed channel (24) is arranged between the two molding cavities (3), and the two ends of the glue feed channel (24) are respectively connected to the two molding cavities (3).

9. The injection mold for the electric vehicle headlight base with a hidden assembly structure according to claim 8, characterized in that: The multi-straight ejector rod ejection assembly (6) comprises a top plate (25) arranged on the lower side of the lower mold plate (2), a plurality of vertically arranged straight ejector rods (26) are fixedly connected to the top plate (25), and the top ends of the straight ejector rods (26) are connected to the bottom of the molding cavity (3).

10. The injection mold for the electric vehicle headlight base with a hidden assembly structure according to claim 9, characterized in that: The top plate (25) is also provided with three vertically arranged residual material push rods (27), and the top ends of the three residual material push rods (27) are respectively connected to the middle part and both ends of the glue inlet flow channel (24).

Images