Adjustable cloth hanging needle combined mechanism for low-pressure injection molding

Abstract

The utility model relates to the technical field of low-pressure injection molding equipment, and discloses a low-pressure injection molding adjustable cloth hanging needle combined mechanism which comprises a mounting frame body and a cloth hanging needle, a movable mounting block is mounted at the bottom of the cloth hanging needle, and a limiting assembly is mounted in the mounting frame body; a storage groove is formed in one side of the cloth hanging needle, a cutter strip is slidably mounted in the storage groove, a mounting groove communicated with the storage groove is formed in the movable mounting block, a moving assembly driving the cutter strip is mounted in the mounting groove, a stop block is mounted at the bottom of the mounting frame, and when the cloth hanging needle moves, the stop block limits the moving assembly. And the moving assembly moves the cutter strip out of the storage groove. Compared with the prior art, the fabric cutting device has the advantages that when the moving range of the movable mounting block and the cutter strip is large, and the sliding deformation space is insufficient, the sliding block is limited through the check block, the sliding block drives the cutter strip to move out of the containing groove, fabric is cut, and the hand is protected when the fabric is mounted.

Description

TECHNICAL FIELD

[0001] The utility model relates to low pressure injection molding equipment technical field, specifically point to a kind of adjustable cloth needle combination mechanism of low pressure injection molding. BACKGROUND

[0002] For the fabric fixing mode on low pressure injection mold, currently generally adopted is that cloth needle is fixed on template by pressing plate, and cloth needle has no moving space, since this structure has no moving space, leading to that fabric has no deformation space, then fabric after product forming can appear wrinkling or surface brightening or texture deformation inconsistency defects, through retrieval, a kind of adjustable cloth needle combination machine for low pressure injection molding of Chinese patent with application No. 201811649715.4 is disclosed, including cloth needle, sliding block, sliding seat, stop block, linear spring, gasket, limit screw, fixed screw, the cloth needle includes needle tip, knife edge, straight body section, fixed head.Cloth needle combination mechanism is installed and fixed on template, and cloth is given certain deformation space using sliding portion, when sliding deformation space is insufficient, cloth can be again cut by blade part, and cloth is given enough deformation space by force.

[0003] The blade in the above structure cuts cloth, can give cloth enough deformation space, but the blade is exposed outside cloth needle, fabric needs to be manually installed outside cloth needle, and the blade in the above structure is easy to cut finger.

[0004] In view of the above technical problems, the adjustable cloth needle combination mechanism for low pressure injection molding is provided. INVENTION CONTENTS

[0005] I. Technical problems to be solved

[0006] The technical problem to be solved by the utility model is that the blade is exposed outside the cloth needle, the fabric needs to be manually installed outside the cloth needle, and the blade in the above structure is easy to cut finger.

[0007] II. Technical scheme

[0008] To solve the above technical problems, the technical scheme provided by the utility model is as follows: a kind of adjustable cloth needle combination mechanism for low pressure injection molding, including installation frame body and cloth needle, the mobile mounting block is installed in the bottom of the cloth needle, the limit component is installed in the inside of the installation frame body, the moving direction and the moving distance of mobile mounting block are limited in the inside of installation frame body;

[0009] One side of the cloth needle is provided with a receiving groove, a cutter strip is slidably installed in the receiving groove, the installation groove that is communicated with the receiving groove is arranged in the inside of the mobile mounting block, the mobile assembly that drives the cutter strip is installed in the inside of the installation groove, the stop block is installed in the bottom of the installation frame body, the mobile assembly is limited by stop block when cloth needle moves, and the cutter strip is removed from the receiving groove by the mobile assembly.

[0010] As improvement, the limiting assembly comprises two groups of cross bars, a spring and a connecting ring, two ends of the cross bars are connected with the side walls of the mounting frame respectively, the spring and the connecting ring are sleeved outside the cross bars respectively, two ends of the spring are connected with the connecting ring and the side walls of the mounting frame respectively, and the moving mounting block is sleeved outside the two groups of cross bars and connected with the connecting ring.

[0011] As improvement, the moving assembly comprises a sliding rod, a sliding block and a spring, the sliding block is sleeved outside the sliding rod, the lower end of the cutter strip is inserted into the mounting groove and connected with the upper side of the sliding block, the rear end of the sliding rod is connected with the side wall of the mounting groove, and the spring is sleeved outside the sliding rod and connected with the side wall of the mounting groove and the sliding block.

[0012] As improvement, the stop block extends into the mounting groove to support and limit the rear side of the sliding block.

[0013] As improvement, the rear center of the moving mounting block is provided with a connecting frame in communication with the mounting groove, the rear end of the sliding rod is connected with the side wall of the connecting frame, the rear end of the spring extends into the inner side of the connecting frame and is connected with the side wall of the connecting frame, and the stop block is located in the inner side of the connecting frame.

[0014] As improvement, the lower side of the cloth hanging needle is fixedly provided with a mounting block, the mounting block is installed on the upper side of the moving mounting block through bolts, and the lower side of the storage groove extends into the mounting block.

[0015] Three, beneficial effects

[0016] Compared with the prior art, the utility model has the advantages of:

[0017] 1. The limiting assembly can limit the movement of the moving mounting block and the cutter strip on the upper side of the moving mounting block, and the cutter strip can return to the original position, so that the cloth has a certain deformation space.

[0018] 2. When the moving mounting block and the cutter strip move in a large range, if the sliding deformation space is insufficient, the stop block limits the sliding block, the sliding block drives the cutter strip to move out of the storage groove, the fabric is cut, and enough deformation space is provided for the fabric, so that the hand is protected during the installation of the fabric. DRAWINGS

[0019] Figure 1 It is the overall structure schematic diagram of the low-pressure injection-molded adjustable cloth hanging needle combined mechanism.

[0020] Figure 2 It is the internal structure schematic diagram of the mounting frame of the low-pressure injection-molded adjustable cloth hanging needle combined mechanism.

[0021] Figure 3It is the adjustable cloth needle connecting structure schematic view of the adjustable cloth needle combination mechanism of low pressure injection molding.

[0022] Figure 4 It is the main view of the cloth needle and the mobile mounting block of the adjustable cloth needle combination mechanism of low pressure injection molding.

[0023] Figure 5 It is the connecting frame installation structure schematic view of the adjustable cloth needle combination mechanism of low pressure injection molding.

[0024] As shown in the drawings: 1, the installation frame body; 2, the mobile mounting block; 3, the cloth needle; 4, the cutter strip; 5, the cross bar; 6, spring one; 7, the connecting ring; 8, the storage groove; 9, the mounting block; 10, the connecting frame; 11, the installation groove; 12, the sliding rod; 13, spring two; 14, the sliding block; 15, the stop block. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Embodiment one

[0027] As shown in the drawings: Figure 1 and the drawings, Figure 2 An adjustable cloth needle combination mechanism of low pressure injection molding, including installation frame body 1 and cloth needle 3, the cloth needle 3 bottom is installed with mobile mounting block 2, the installation frame body 1 inside is installed with limit component, the limit component includes two groups of cross bar 5, spring one 6 and connecting ring 7, two groups of cross bar 5 both ends are connected with installation frame body 1 side wall respectively, spring one 6 and connecting ring 7 are respectively covered in the outside of cross bar 5, spring one 6 both ends are connected with connecting ring 7 and installation frame body 1 side wall respectively, mobile mounting block 2 is slidably covered in the outside of two groups of cross bar 5 and is connected with connecting ring 7, when low pressure injection molding, fabric drives cloth needle 3 to move, through spring one 6 to the limit of mobile mounting block 2, make mobile mounting block 2 can slide along two groups of cross bar 5, make cloth needle 3 displacement, through the rebound force of spring one 6 drive mobile mounting block 2 restores original position.

[0028] As shown in the drawings: Figure 3 and the drawings, Figure 4As shown, the cloth hanging needle 3 is provided with a receiving groove 8 on one side, and the cloth hanging needle 3 is fixedly installed with a mounting block 9 on the lower side, the mounting block 9 is installed on the upper side of the movable mounting block 2 through bolts, the receiving groove 8 extends to the inside of the mounting block 9 on the lower side, and the cutting knife strip 4 is slidably installed in the receiving groove 8, the movable mounting block 2 is provided with a mounting groove 11 communicating with the receiving groove 8, the mounting groove 11 is installed with a moving assembly driving the cutting knife strip 4, the cutting knife strip 4 and the moving assembly move simultaneously in the cloth hanging needle 3 and the movable mounting block 2, the moving assembly comprises a slide rod 12, a sliding block 14 and a spring 13, the sliding block 14 is slidably sleeved on the outer side of the slide rod 12, the lower end of the cutting knife strip 4 penetrates into the inside of the mounting groove 11 and is connected with the upper side of the sliding block 14, the rear end of the slide rod 12 is connected with the side wall of the mounting groove 11, the spring 13 is sleeved on the outer side of the slide rod 12 and connected with the side wall of the mounting groove 11 and the sliding block 14 at both ends, and the mounting frame body 1 is installed with a stop block 15 at the bottom, the stop block 15 extends into the inside of the mounting groove 11 to support and limit the rear side of the sliding block 14, when the movable mounting block 2 drives the cloth hanging needle 3 to move, the stop block 15 contacts with the sliding block 14 in the mounting groove 11 when the sliding deformation space of the cutting knife strip 4 is insufficient, and the sliding block 14 drives the cutting knife strip 4 to move out of the receiving groove 8.

[0029] Embodiment two

[0030] On the basis of embodiment one, please refer to the attached Figure 3 and the attached Figure 5 , the movable mounting block 2 is provided with a connecting frame 10 communicating with the mounting groove 11 at the center of the rear side, the rear end of the slide rod 12 is connected with the side wall of the connecting frame 10, the rear end of the spring 13 extends to the inside of the connecting frame 10 and is connected with the side wall of the connecting frame 10, and the stop block 15 is located in the inside of the connecting frame 10.

[0031] Through the above structure of embodiment two, the installation of the connecting frame 10 as an extension of the mounting groove 11 expands the moving range of the moving assembly, in addition, the stop block 15 is located in the inside of the connecting frame 10 to limit the moving range of the movable mounting block 2, preventing the spring 6 from being damaged when the cloth hanging needle 3 is pulled in a direction,

[0032] The specific use method is as follows:

[0033] The cloth hanging needle combination mechanism is fixedly installed on the low-pressure injection molding equipment through the mounting frame body 1, cloth hanging needle 3 is supported through spring 6, the initial position of cloth hanging needle 3 has a deformation space, the cloth hanging needle 3 is sleeved outside cloth hanging needle 3, when low-pressure injection molding, the cloth is pulled to drive cloth hanging needle 3 to move with the moving mounting block 2, the moving mounting block 2 moves stably along the cross bar 5, prevents the position of cloth hanging needle 3 from deviating, the moving mounting block 2 compresses spring 6, so that the cloth has a certain deformation space, when cloth hanging needle 3 is insufficient in the sliding deformation space, the stop block 15 slides in the installation groove 11, and is in contact with the sliding block 14, after contact, the cutter strip 4 has a range of continuous movement, at this time, the sliding block 14 drives the cutter strip 4 to move out of the storage groove 8, the moving direction of the cutter strip 4 is opposite to the pulling direction of the cloth, and the cloth is cut, and the cloth has sufficient deformation space.

[0034] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0035] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

[0036] The present application and its embodiments have been described above, and such description is not restrictive, and the embodiments shown in the drawings are only one of the embodiments of the present application, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired by the above description, without departing from the creative principles of the present application, without creative design, similar structure and embodiments of the technical solutions can be designed, which should belong to the protection scope of the present application.

Claims

1. A low-pressure injection-molded adjustable cloth-hanging needle combination mechanism comprising a mounting frame (1) and a cloth-hanging needle (3), characterized in that: The bottom of the cloth hanging needle (3) is provided with a moving mounting block (2), the inside of the mounting frame body (1) is provided with a limiting assembly, and the moving direction and moving distance of the moving mounting block (2) in the mounting frame body (1) are limited. One side of the cloth hanging needle (3) is provided with a storage groove (8), the inside of the storage groove (8) is slidably provided with a cutter strip (4), the inside of the moving mounting block (2) is provided with a mounting groove (11) communicated with the storage groove (8), the inside of the mounting groove (11) is provided with a moving assembly driving the cutter strip (4), and the bottom of the mounting frame body (1) is provided with a stop block (15). When the cloth hanging needle (3) moves, the stop block (15) limits the moving assembly, and the moving assembly moves the cutter strip (4) out of the storage groove (8).

2. A low pressure injection molded adjustable threader assembly according to claim 1, wherein: The limiting assembly comprises two groups of cross rods (5), spring one (6) and connecting ring (7), the two ends of the two groups of cross rods (5) are connected with the side walls of the mounting frame body (1) respectively, the spring one (6) and the connecting ring (7) are sleeved outside the cross rods (5) respectively, the two ends of the spring one (6) are connected with the connecting ring (7) and the side wall of the mounting frame body (1) respectively, and the moving mounting block (2) is slidably sleeved outside the two groups of cross rods (5) and connected with the connecting ring (7).

3. A low pressure injection molded adjustable threader assembly according to claim 1, wherein: The moving assembly comprises a sliding rod (12), a sliding block (14) and a spring two (13), the sliding block (14) is slidably sleeved outside the sliding rod (12), the lower end of the cutter strip (4) penetrates into the inside of the mounting groove (11) and is connected with the upper side of the sliding block (14), the rear end of the sliding rod (12) is connected with the side wall of the mounting groove (11), and the spring two (13) is sleeved outside the sliding rod (12) and connected with the side wall of the mounting groove (11) and the sliding block (14) at two ends respectively.

4. A low pressure injection molded adjustable threader assembly according to claim 3, wherein: The stop block (15) extends into the inside of the mounting groove (11) to support and limit the rear side of the sliding block (14).

5. A low pressure injection molded adjustable threader assembly according to claim 3, wherein: The rear side of the moving mounting block (2) is provided with a connecting frame (10) communicated with the mounting groove (11), the rear end of the sliding rod (12) is connected with the side wall of the connecting frame (10), the rear end of the spring two (13) extends to the inside of the connecting frame (10) and is connected with the side wall of the connecting frame (10), and the stop block (15) is located in the inside of the connecting frame (10).

6. A low pressure injection molded adjustable fabric-holding needle combination mechanism according to claim 1, characterized in that: The bottom of the cloth hanging needle (3) is fixedly provided with a mounting block (9), the mounting block (9) is installed on the upper side of the moving mounting block (2) through bolts, and the lower side of the storage groove (8) extends into the inside of the mounting block (9).

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