Upper template band-type brake mechanism

Abstract

The utility model relates to an upper die plate band-type brake mechanism which comprises at least one clamping assembly, each clamping assembly comprises a first clamping block, a second clamping block, a synchronous gear and a fixing plate, the fixing plates are installed on an upper die plate, and the fixing plates are limited on the first clamping blocks and the second clamping blocks to move on the upper die plate; the first clamping block and the second clamping block are located on the two sides of the stud correspondingly and move oppositely so as to be away from or close to each other, a first thread is arranged on the side, close to the stud, of the first clamping block, a second thread is arranged on the side, close to the stud, of the second clamping block, and the first thread and the second thread are both matched with external threads of the stud. The synchronous gear is meshed with the first tooth part on the first clamping block and the second tooth part on the second clamping block at the same time; the power part is arranged on the upper die plate and used for driving the first clamping block to move; and the connecting bracket is connected between the power part and the first clamping block.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of mold injection equipment, in particular to an upper mold plate brake mechanism. BACKGROUND

[0002] The mold is various molds and tools used in industrial production to obtain the required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods. The mold is usually composed of an upper mold and a lower mold. An upper mold plate is provided on a vertical mold injection equipment or a vertical mold testing equipment. The upper mold is installed on the upper mold plate. The upper mold plate can move vertically on the equipment to lift the upper mold to achieve the result of mold closing or mold opening. When the heavy upper mold plate is lifted, relying on the oil cylinder to pull or stop the upper mold plate is not only unsafe but also easy to damage the oil cylinder due to long-term stress. Therefore, it is necessary to design a mechanism to limit the upper mold plate, which is the problem to be solved by the application. CONTENT OF THE UTILITY MODEL

[0003] In order to overcome the problems in the related art, the application aims to provide an upper mold plate brake mechanism which has the advantages of quick brake locking and large force bearing.

[0004] The application is realized by the following technical scheme.

[0005] The technical scheme provides an upper mold plate brake mechanism for limiting the upper mold plate on a stud, comprising

[0006] At least one clamping assembly, the clamping assembly comprising a first clamping block, a second clamping block, a synchronous gear and a fixed plate, the fixed plate being installed on the upper mold plate, the fixed plate being limited to move on the upper mold plate by the first clamping block and the second clamping block, the first clamping block and the second clamping block being located on both sides of the stud respectively and moving towards each other to move away from or close to each other, the first clamping block being provided with a first thread on the side close to the stud, the second clamping block being provided with a second thread on the side close to the stud, the first thread and the first thread being matched with the external thread of the stud, the synchronous gear being provided on the fixed plate, the synchronous gear being engaged with the first tooth part on the first clamping block and the second tooth part on the second clamping block at the same time;

[0007] A power component provided on the upper mold plate, the power component being used to drive the first clamping block to move;

[0008] A connecting bracket connected between the power component and the first clamping block, the connecting bracket also being connected between a plurality of first clamping blocks to realize the synchronous movement of the first clamping blocks

[0009] The clutch mechanism of the technical scheme, the first clamping block and the second clamping block are linked through the synchronous gear, the first clamping block and the second clamping block are fast and synchronous, the structure is balanced in stress, can bear large force, the clamping force between the first clamping block and the second clamping block is twice the driving force of the power component, and the stability is good.

[0010] In one or more embodiments, the fixing plate is provided with a through hole for the stud to pass through, and a sliding sleeve is arranged on the inner wall of the through hole and in sliding fit with the stud.

[0011] In one or more embodiments, the first clamping block and the second clamping block are arranged in the mounting cavity of the upper die plate, the fixing plate is arranged above the mounting cavity, one end of the synchronous gear is rotatably arranged on the fixing plate, and the other end is rotatably arranged on the bottom surface of the mounting cavity.

[0012] In one or more embodiments, the upper surface of the first clamping block is in sliding contact with the inner side surface of the fixing plate, and the lower surface is in sliding contact with the bottom surface of the mounting cavity.

[0013] In one or more embodiments, the upper surface of the second clamping block is in sliding contact with the inner side surface of the fixing plate, and the lower surface is in sliding contact with the bottom surface of the mounting cavity.

[0014] In one or more embodiments, the first clamping block is provided with two first supporting arms in the direction of the second clamping block, the inner side surface of the first supporting arm is provided with the first tooth part, the second clamping block is arranged between the two first supporting arms, and the synchronous gear is arranged between the first supporting arm and the second clamping block.

[0015] In one or more embodiments, the first clamping block is provided with two second supporting arms in the direction of the first clamping block, and the second clamping block is provided with a sliding groove in sliding fit with the second supporting arm.

[0016] In one or more embodiments, the first clamping block is provided with a first circular arc concave surface on one side in the direction of the second clamping block, and the first thread is arranged on the first circular arc concave surface.

[0017] In one or more embodiments, the second clamping block is provided with a second circular arc concave surface on one side in the direction of the first clamping block, the second thread is arranged on the second circular arc concave surface, and the first circular arc concave surface and the second circular arc concave surface are combined to form an internal threaded hole for the stud to pass through.

[0018] In one or more embodiments, the number of the clamping assemblies is multiple, the connecting support includes a first support and a connecting rod, the first support is connected between the power component and at least one first clamping block, and the connecting rod is connected between adjacent first clamping blocks.

[0019] It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application. BRIEF DESCRIPTION OF DRAWINGS

[0020] The above and other objects, features and advantages of the present application will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings in which like reference characters refer to like parts throughout and in which:

[0021] Figure 1 is a perspective view of a complex mold and die tryout all-in-one machine shown in an embodiment of the present application.

[0022] Figure 2 is an installation schematic view of a holding brake mechanism and an upper mold plate shown in an embodiment of the present application.

[0023] Figure 3 is an exploded schematic view of a holding brake mechanism shown in an embodiment of the present application.

[0024] Figure 4 is a cross-sectional schematic view of a clamping assembly of a holding brake mechanism shown in an embodiment of the present application.

[0025] BRIEF DESCRIPTION OF DRAWINGS

[0026] 11 - frame; 111 - stud; 12 - upper mold plate; 121 - installation cavity; 13 - power component; 14 - connecting bracket; 141 - first bracket; 142 - connecting rod; 15 - first clamping block; 151 - first thread; 152 - first tooth portion; 153 - first branch; 154 - sliding groove; 16 - second clamping block; 161 - second thread; 162 - second tooth portion; 163 - second branch; 17 - synchronous gear; 18 - fixed plate; 181 - through hole; 19 - sliding sleeve. DETAILED DESCRIPTION

[0027] The technical solutions in some embodiments of the present application will be described clearly and completely below in combination with the drawings of some embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0028] The technical solutions of the embodiments of the present application will be described in detail below in combination with the drawings.

[0029] As Figure 1 and Figure 2As shown in the figure, a kind of upper die plate brake mechanism is shown, for die-up die-up test die integrated machine, wherein die-up die-up test die integrated machine, including rack 11, upper die plate 12 and brake mechanism, wherein rack 11 includes four threaded studs 111, upper die plate 12 is arranged on threaded stud 111 and moves vertically, the lower surface of upper die plate 12 is provided with upper die, when upper die plate 12 drives upper die to move upward and opens mold, brake mechanism is needed to lock upper die plate 12 on threaded stud 111, to prevent upper die plate 12 from falling down.

[0030] As Figure 3 And Figure 4 As shown in the figure, in the embodiment, brake mechanism is used to limit upper die plate 12 on threaded stud 111, brake mechanism includes four clamping assemblies, a power component 13 and a connecting bracket 14, wherein the number of clamping assemblies is mainly set according to the number of threaded studs 111.

[0031] Clamping assembly includes first clamping block 15, second clamping block 16, synchronous gear 17 and fixed plate 18, fixed plate 18 is installed on upper die plate 12, fixed plate 18 is limited to first clamping block 15 and second clamping block 16 on upper die plate 12 moves, first clamping block 15 and second clamping block 16 are respectively located on both sides of threaded stud 111 and move towards each other to move away from each other or close to each other, first threaded 151 is arranged on the side of first clamping block 15 close to threaded stud 111, second threaded 161 is arranged on the side of second clamping block 16 close to threaded stud 111, first threaded 151 and first threaded 151 are matched with the outer thread of threaded stud 111, synchronous gear 17 is arranged on fixed plate 18, synchronous gear 17 is engaged with first tooth part 152 on first clamping block 15 and second tooth part 162 on second clamping block 16 at the same time;

[0032] Power component 13 is arranged on upper die plate 12, power component 13 can be selected as oil cylinder, power component 13 is used to drive first clamping block 15 to move;Connecting bracket 14 is used to connect between power component 13 and first clamping block 15, connecting bracket 14 is also connected between four first clamping blocks 15, to realize synchronous movement of four first clamping blocks 15.

[0033] First clamping block 15 and second clamping block 16 of brake mechanism are linked through synchronous gear 17, first clamping block 15 and second clamping block 16 react quickly and synchronously move, structure stress balance, can bear large force, the clamping force between first clamping block 15 and second clamping block 16 is twice the driving force of power component 13, and the stability is good.

[0034] In the embodiment, the fixed plate 18 is provided with a through hole 181 for the stud 111 to pass through, and a sliding sleeve 19 is arranged on the inner wall of the through hole 181 and is in sliding fit with the stud 111. The through hole 181 on the fixed plate 18 is only used for the stud 111 to pass through, and the sliding sleeve 19 arranged in the through hole 181 can reduce the friction with the stud 111 and increase the stability of the movement of the upper die plate 12.

[0035] In the embodiment, the first clamping block 15 and the second clamping block 16 are arranged in the mounting cavity 121 of the upper die plate 12, the structure of the mounting cavity 121 is set according to the structure of the clamping assembly, the fixed plate 18 is arranged above the mounting cavity 121, the fixed plate 18 covers the mounting cavity 121, the first clamping block 15 and the second clamping block 16 are limited to move in the mounting cavity 121, one end of the synchronous gear 17 is rotatably arranged on the fixed plate 18 through a bearing, and the other end is rotatably arranged on the bottom surface of the mounting cavity 121 through a bearing, so that the two ends of the synchronous gear 17 are limited to rotate under the support of the fixed plate 18 and the upper die plate 12.

[0036] In the embodiment, the upper surface of the first clamping block 15 is in sliding contact with the inner side surface of the fixed plate 18, and the lower surface is in sliding contact with the bottom surface of the mounting cavity 121. The upper surface of the second clamping block 16 is in sliding contact with the inner side surface of the fixed plate 18, and the lower surface is in sliding contact with the bottom surface of the mounting cavity 121; so that the first clamping block 15 and the second clamping block 16 can be limited to move on the mounting cavity 121.

[0037] In the embodiment, the first clamping block 15 is provided with two first supporting arms 153 facing the second clamping block 16, the inner side surface of the first supporting arm 153 is provided with a first tooth part 152, the second clamping block 16 is arranged between the two first supporting arms 153, and the synchronous gear 17 is arranged between the first supporting arm 153 and the second clamping block 16. The first clamping block 15 is provided with two second supporting arms 163 facing the first clamping block 15, and the second clamping block 16 is provided with a sliding groove 154 in sliding fit with the second supporting arm 163. In this way, the first clamping block 15 and the second clamping block 16 are more closely matched, and the movement stability is enhanced.

[0038] In the embodiment, the first clamping block 15 is provided with a first circular arc concave surface on one side facing the second clamping block 16, and the first thread 151 is arranged on the first circular arc concave surface. The second clamping block 16 is provided with a second circular arc concave surface on one side facing the first clamping block 15, and the second thread 161 is arranged on the second circular arc concave surface. The first circular arc concave surface and the second circular arc concave surface are combined to form an internal threaded hole for the stud 111 to pass through.

[0039] In the embodiment, the connecting support 14 comprises a first support 141 mainly connected between the power component 13 and the two first clamping blocks 15, and a connecting rod 142 connected between the adjacent first clamping blocks 15. The four first clamping blocks 15 are synchronously and quickly moved by the connecting support 14, and the power component 13 directly drives the first clamping blocks 15 without intermediate load driving, so that the reaction is fast and the stability is good.

[0040] The above has described the embodiments of the present application, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments. The selection of the terms used herein is intended to best explain the principles of the embodiments, practical application, or improvement of the technology in the market, or to enable other ordinary skilled in the art to understand the embodiments disclosed herein.

Claims

1. An upper die plate clamp mechanism for constraining an upper die plate (12) to a stud, characterized by, The utility model relates to a kind of clamp assembly and the moulding machine of clamp assembly, including At least one clamping assembly, the clamping assembly includes first clamp block (15), second clamp block (16), synchronous gear (17) and fixed plate (18), the fixed plate (18) is installed on the upper die plate (12), the fixed plate (18) is defined in the first clamp block (15) and the second clamp block (16) on the upper die plate (12) moves, the first clamp block (15) and the second clamp block (16) are respectively located on the both sides of stud and move towards each other to be far away or close to each other, the first clamp block (15) is equipped with first thread on the side close to stud, the second clamp block (16) is equipped with second thread on the side close to stud, the first thread and the first thread are all with the outer thread of stud cooperation, the synchronous gear (17) is equipped on the fixed plate (18), the synchronous gear (17) is simultaneously engaged with the first tooth portion on the first clamp block (15) and the second tooth portion on the second clamp block (16); Power component (13) is equipped on the upper die plate (12), and the power component (13) is used to drive the first clamp block (15) to move; Connecting support is connected between the power component (13) and the first clamp block (15), and the connecting support is also connected between a plurality of the first clamp block (15), to realize the synchronous movement of the first clamp block (15).

2. The upper die plate clamp brake mechanism of claim 1, wherein, The fixed plate (18) is equipped with through hole for stud to pass through, and sliding sleeve is arranged on the inner wall of the through hole, and the sliding sleeve is in sliding cooperation with the stud.

3. The upper die plate clamp brake mechanism of claim 1, wherein, The first clamp block (15) and the second clamp block (16) are arranged in the mounting cavity of the upper die plate (12), the fixed plate (18) is arranged above the mounting cavity, one end of the synchronous gear (17) is rotatably arranged on the fixed plate (18), and the other end is rotatably arranged on the bottom surface of the mounting cavity.

4. The upper die plate clamp brake mechanism of claim 3, wherein, The upper surface of the first clamp block (15) is in sliding contact with the inner side surface of the fixed plate (18), and the lower surface is in sliding contact with the bottom surface of the mounting cavity.

5. The upper die plate clamp brake mechanism of claim 3, wherein, The upper surface of the second clamp block (16) is in sliding contact with the inner side surface of the fixed plate (18), and the lower surface is in sliding contact with the bottom surface of the mounting cavity.

6. The upper die plate clamp brake mechanism of claim 1, wherein, The first clamp block (15) is equipped with two first supporting arms towards the second clamp block (16), the inner side surface of the first supporting arm is equipped with the first tooth portion, the second clamp block (16) is arranged between the two first supporting arms, and the synchronous gear (17) is arranged between the first supporting arm and the second clamp block (16).

7. The upper die plate clamp brake mechanism of claim 6, wherein, The first clamp block (15) is equipped with two second supporting arms towards the first clamp block (15), and the second clamp block (16) is equipped with sliding groove in sliding cooperation with the second supporting arm.

8. The upper die plate clamp brake mechanism of claim 1, wherein, The first clamp block (15) is equipped with first arc concave surface on the side towards the second clamp block (16), and the first thread is arranged in the first arc concave surface.

9. The upper die plate clamp brake mechanism of claim 8, wherein, The side of the second clamping block (16) facing the direction of the first clamping block (15) is provided with a second circular arc concave surface, the second thread is arranged on the second circular arc concave surface, and the first circular arc concave surface and the second circular arc concave surface are combined to form an internal threaded hole through which the stud passes.

10. The upper die plate clamp brake mechanism of claim 1, wherein, The number of the clamping assemblies is multiple, the connecting support includes a first support and a connecting rod, the first support is connected between the power component (13) and at least one first clamping block (15), and the connecting rod is connected between adjacent first clamping blocks (15).

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