Efficient hot melting tool

Abstract

The utility model relates to the technical field of hot melting jigs, in particular to an efficient hot melting jig which comprises a screwdriver and a dismounting assembly, and the dismounting assembly is installed in an upper shell and used for dismounting a certain part of the jig. And the positioning assembly is installed in the lower shell, and the positioning assembly is used for fixing the lens. Compared with the prior art, by disassembling the assembly, the connecting plate is manually pushed to enable the clamping teeth to be separated, the hot melting pressing head is pushed to slide into the fixing sleeve, the connecting plate is pushed, the connecting block is rotated, the lock groove and the lock head are promoted to be clamped, and locking is completed; during unlocking, the connecting block is rotated to release the lock head, the clamping teeth are unlocked, and the hot melting pressure head can be taken out; through the positioning assembly, the knob is rotated to drive the worm to rotate, the worm gear is driven to move, the sliding rail and the positioning teeth on the worm gear gather towards the center, the positioning teeth gradually gather and fix the lens and the plastic part under the guide of the sliding rail, the knob is rotated reversely, and the positioning teeth are separated and unlocked through reverse transmission of the worm gear and the worm.

Description

Technical Field

[0001] This utility model relates to the field of hot melt assembly fixture technology, and in particular to a high-efficiency hot melt assembly fixture. Background Technology

[0002] In the typical lens assembly process, many methods are used to fix the lenses, such as the pressing ring fixing process of different materials, the photocuring adhesive fixing process, the hot melting process of plastic parts, and the pressure riveting of aluminum metal edges, etc. In the actual assembly process, it is necessary to fix the lenses in the corresponding positions to ensure that the distance between the lenses and the assembly eccentricity of the lenses are within the optical design requirements, so as to obtain a stable finished product quality. In order to save material and time costs without affecting the finished projection lens quality, a hot melting fixture is urgently needed. Utility Model Content

[0003] In view of this, the purpose of this utility model is to propose a high-efficiency hot-melt fitting fixture to solve the problems of traditional fixtures being unable to accurately fix the lens position, wasting materials, and taking too long to fix the lens.

[0004] To achieve the above objectives, this utility model provides a high-efficiency hot-melt assembly fixture, comprising: a lower housing, a screwdriver mounted on one side of the lower housing, an upper housing mounted on the top surface of the lower housing, a through hole in the middle of the upper housing, two arc grooves symmetrically formed on the upper housing along the outer side of the through hole, a positioning hole mounted on the side of the upper housing away from the lower housing, and a horizontal hole formed on the upper housing on the same side as the positioning hole;

[0005] A disassembly assembly, installed inside the upper housing, is used to disassemble a component of the fixture;

[0006] A positioning component is installed inside the lower housing and is used to fix the lens.

[0007] Preferably, the disassembly assembly includes a fixing sleeve installed in the through hole, a cavity in the middle of the fixing sleeve, a hot melt pressure head installed in the cavity in the middle of the fixing sleeve, a sleeve clamp rotatably installed on the outer circumference of the fixing sleeve, two connecting blocks symmetrically installed on the side of the sleeve clamp away from the fixing sleeve, a connecting post installed on the side of each of the two connecting blocks away from the upper housing, the connecting post slidably installed inside the arc groove, and a fixing shell installed on the side of the outer circumference of the fixing sleeve away from the connecting blocks.

[0008] Preferably, the fixed sleeve has a circular cross-section, the clamp is coaxially arranged with the fixed sleeve, and the diameter of the clamp is larger than the diameter of the fixed sleeve.

[0009] Preferably, a sliding groove is formed on one side of the fixed shell close to the connecting column, a plurality of sliding plates are slidingly installed in the fixed shell away from the sliding groove, a connecting plate is installed on one end of the sliding plate close to the connecting block, a lock head is installed on the side of the connecting plate away from the sleeve, a plurality of pressure springs are installed on one side of the sliding plate, a plurality of clamping teeth are installed on the other end of the pressure springs, the clamping teeth are slidingly installed on the inside of the fixed shell, and the connecting plate is slidingly installed in the sliding groove.

[0010] Preferably, a lock groove is formed on one side of the connecting column, the lock groove is matched with the lock head, the cross section of the lock head is triangular, and the symmetrical two sides of the lock head are inwardly inclined.

[0011] Preferably, the positioning assembly comprises a receiving block installed in the middle of the lower shell, a positioning groove is formed on the receiving block, a worm gear is installed on the side of the receiving block away from the positioning groove, a sliding rail is installed on the side of the worm gear close to the positioning groove, a plurality of positioning teeth are slidingly installed on the sliding rail, the worm gear is in contact with a worm, one end of the worm penetrates through one side of the lower shell and is fixedly installed in extension with a knob, and the positioning teeth are slidingly installed in the inside of the positioning groove.

[0012] The utility model discloses the beneficial effects of:

[0013] 1. The high -efficient hot -melt tooling, through setting up positioning assembly, through rotating knob, drive worm rotation, and then drive the worm gear rotation that contacts with it, the rotation of worm gear will make the sliding rail and the positioning tooth slidingly installed on the sliding rail that install on it gather to the center, and the positioning tooth gradually gathers to the center under the guidance of the sliding rail, realizes the firm fixation to lens and plastic piece, when needing to release fixed, only need to rotate the knob reversely, can make the positioning tooth gradually separate through the reverse transmission of worm gear, completes the unlocking operation, not only convenient operation saves time, still can fix lens and plastic piece accurately in the center position of tooling.

[0014] 2. The high -efficient hot -melt tooling, through setting up dismounting assembly, can make the clamping tooth separate by manually pushing the connecting plate, so that the hot -melt pressure head can slide into the fixed sleeve smoothly, then push two connecting plates to the direction of fixed sleeve with hand, and rotate connecting block, when the lock groove in the connecting column connected with connecting block slides to the position of lock head, release connecting plate, make lock head and lock groove engage and complete locking, when unlocking, only need to rotate connecting block for a distance, release lock head from lock groove, and the hot -melt pressure head can be taken out from fixed sleeve, which is convenient and fast and short in use.

[0015] 3. The high-efficiency hot melting fixture has the advantages that the material is softened and fused by heating through the hot melting pressure head, a firm connection is formed, the connection has high strength, the material does not need to be operated complicatedly, the time for fixing the lens is shortened, and the hot melting fixing process is more firm compared with other processes. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0017] Figure 1 It is a three-dimensional structure schematic diagram of the present application;

[0018] Figure 2 It is a three-dimensional structure schematic diagram of the present application;

[0019] Figure 3 It is a three-dimensional structure schematic diagram of the present application;

[0020] Figure 4 It is a three-dimensional structure schematic diagram of the present application;

[0021] Figure 5 It is a three-dimensional structure schematic diagram of the present application;

[0022] Figure 6 It is a three-dimensional structure schematic diagram of the present application;

[0023] Figure 7 It is a three-dimensional structure schematic diagram of the present application;

[0024] Figure 8 It is a three-dimensional structure schematic diagram of the present application;

[0025] In the drawing, the marks are:

[0026] 1, wrench; 2, positioning hole; 3, horizontal hole; 4, upper shell; 5, lower shell; 6, arc groove; 7, fixing sleeve; 8, hot melting pressure head; 9, sleeve; 10, connecting block; 11, connecting column; 12, locking groove; 13, connecting plate; 14, sliding plate; 15, clamping tooth; 16, pressure spring; 17, worm; 18, knob; 19, worm wheel; 20, sliding rail; 21, positioning tooth; 22, bearing block; 23, sliding groove; 24, fixed shell; 25, through hole; 26, positioning groove; 27, lock head. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further explained in detail in combination with specific embodiments.

[0028] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the utility model should be understood as the usual meaning by those skilled in the art to which the utility model belongs. The "first", "second" and similar words used in the utility model do not represent any order, quantity or importance, but are only used to distinguish different components. "Include" or "contain" and similar words mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connection" or "connected" and similar words are not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0029] As shown in Figures 1 to 8 The high-efficiency hot melting fixture comprises a lower shell 5, a rotating tool 1 is installed on one side of the lower shell 5, an upper shell 4 is installed on the top surface of the lower shell 5, a through hole 25 is formed in the middle of the upper shell 4, two arc grooves 6 are symmetrically formed on the outer side of the through hole 25 on the upper shell 4, a positioning hole 2 is installed on the side of the upper shell 4 away from the lower shell 5, and a horizontal hole 3 is formed on the same side of the upper shell 4 as the positioning hole 2; a disassembling assembly is installed in the interior of the upper shell 4 and is used for disassembling a certain part of the fixture; and a positioning assembly is installed in the interior of the lower shell 5 and is used for fixing the lens.

[0030] The worker first fixes the lens to be fixed in the fixing assembly, then puts the original plastic part into the fixing assembly at the position where the lens needs to be locked, then puts the upper shell 4 on the top of the lower shell 5, then screws the screw into the positioning hole 2 to fix the upper shell 4 and the lower shell 5, after the fixing is completed, the external power supply is connected to heat the certain part in the disassembling assembly, the certain part after heating can melt the original plastic part and connect the lens, then the position of the disassembling assembly can be adjusted by operating the rotating tool 1, which is used for melting the plastic at different positions, so that the fixture completes the final locking of the lens.

[0031] As shown in Figures 3 to 7As shown, the dismounting assembly comprises a fixing sleeve 7 installed in the through hole 25, a cavity is formed in the middle of the fixing sleeve 7, a hot melt pressure head 8 is installed in the cavity of the middle of the fixing sleeve 7, a sleeve hoop 9 is rotatably installed on the outer circumference of the fixing sleeve 7, two connecting blocks 10 are symmetrically installed on the side of the sleeve hoop 9 away from the fixing sleeve 7, a connecting column 11 is installed on the side of each of the two connecting blocks 10 away from the upper shell 4, the connecting column 11 is slidably installed in the arc groove 6, and a fixing shell 24 is installed on the side of the outer circumference of the fixing sleeve 7 away from the connecting block 10; the cross section of the fixing sleeve 7 is circular, the sleeve hoop 9 is coaxially arranged with the fixing sleeve 7, and the diameter of the sleeve hoop 9 is greater than that of the fixing sleeve 7; a sliding groove 23 is formed in the side of the fixing shell 24 close to the connecting column 11, a plurality of sliding plates 14 are slidably installed in the side of the fixing shell 24 away from the sliding groove 23, a connecting plate 13 is installed at the end of each of the sliding plates 14 close to the connecting block 10, a lock head 27 is installed on the side of the connecting plate 13 away from the sleeve hoop 9, a plurality of pressure springs 16 are installed on the side of each of the sliding plates 14, clamping teeth 15 are installed at the other ends of the pressure springs 16, the clamping teeth 15 are slidably installed on the inner side of the fixing shell 24, and the connecting plate 13 is slidably installed in the sliding groove 23; a lock groove 12 is formed in the side of the connecting column 11, the lock groove 12 is matched with the lock head 27, the cross section of the lock head 27 is triangular, and the symmetric two sides of the lock head 27 are inwardly inclined;

[0032] The clamping teeth 15 on the periphery of the fixing sleeve 7 are tightly attached under the action of the pressure springs 16, when it is necessary to install or replace the hot melt pressure head 8, the worker can manually push the connecting plate 13 to separate the clamping teeth 15, so that the hot melt pressure head 8 can be smoothly slid into the fixing sleeve 7, then the two connecting plates 13 are pushed towards the fixing sleeve 7 by hand, and the connecting block 10 is rotated at the same time, when the lock groove 12 in the connecting column 11 connected with the connecting block 10 slides to the position of the lock head 27, the connecting plate 13 is released, so that the lock head 27 is clamped with the lock groove 12, at this time the clamping teeth 15 exert pressure on the hot melt pressure head 8 under the action of the pressure springs 16, so that the hot melt pressure head 8 is fixed, because the symmetric two sides of the lock head 27 are inwardly inclined, the lock groove 12 can slowly move to the position of the lock head 27 while the connecting plate 13 is released, without causing the lock head 27 to pop out at the moment of release, resulting in locking failure, after the fixing is completed, the hot melt pressure head 8 is heated, the contacted plastic part is melted, so as to be tightly combined with the lens. The worker can operate the wrench 1, so as to adjust the working position of the hot melt pressure head 8, so as to uniformly and effectively melt the plastic at different positions, when it is desired to be unlocked, it is only necessary to rotate the connecting block 10 by a distance, release the lock head 27 from the lock groove 12, and unlock the clamping teeth 15 on the hot melt pressure head 8, so that the hot melt pressure head 8 can be taken out of the fixing sleeve 7, the whole process is quick and convenient, and is convenient for replacement or maintenance.

[0033] As Figure 2 , Figure 8As shown, the positioning assembly comprises a receiving block 22 mounted in the middle of the lower shell 5, the receiving block 22 is provided with a positioning groove 26, the receiving block 22 is provided with a worm wheel 19 away from the positioning groove 26, the worm wheel 19 is provided with a slide rail 20 close to the positioning groove 26, the slide rail 20 is slidably provided with a plurality of positioning teeth 21, the worm wheel 19 is in contact with the worm 17, one end of the worm 17 penetrates through one side of the lower shell 5 and extends to be fixedly installed with the knob 18; the positioning teeth 21 are slidably installed in the inside of the positioning groove 26;

[0034] By rotating the knob 18, the worm 17 fixedly installed with the knob 18 can be driven to rotate, and then the worm wheel 19 in contact with the worm 17 is driven to rotate, the rotation of the worm wheel 19 will promote the slide rail 20 and the positioning teeth 21 slidably installed on the slide rail 20 to gather to the center, the plurality of positioning teeth 21 gradually gather to the center under the guidance of the slide rail 20, the firm fixing of the lens and the plastic part is realized, when it is needed to release the fixing, only the knob 18 is reversely rotated, the reverse transmission of the worm wheel 19 and the worm 17 can make the positioning teeth 21 gradually separate, and the unlocking operation is completed.

[0035] Those skilled in the art should understand that the discussion of the above any embodiment is only exemplary, and is not intended to imply that the scope (including claims) of the utility model is limited to these examples; under the idea of the utility model, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the utility model as described above, which are not provided in details for the sake of brevity.

[0036] The utility model aims at covering all such alternatives, modifications and variations falling within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. made in the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A high-efficiency hot melt mounting jig, characterized by, Include: Lower shell (5), one side of the lower shell (5) is installed with the screwdriver (1), the top surface of the lower shell (5) is installed with the upper shell (4), the middle part of the upper shell (4) is provided with a through hole (25), two arc grooves (6) are symmetrically provided on the outer side of the through hole (25) of the upper shell (4), the side of the upper shell (4) away from the lower shell (5) is provided with a positioning hole (2), and a horizontal hole (3) is provided on the same side of the positioning hole (2) of the upper shell (4); Dismantling assembly, the dismantling assembly is installed in the inside of the upper shell (4), and the dismantling assembly is used for disassembling the jig; Positioning assembly, the positioning assembly is installed in the inside of the lower shell (5), and the positioning assembly is used for fixing the lens.

2. The high efficiency hot melt fixture of claim 1, wherein, The dismantling assembly includes a fixing sleeve (7) installed in the through hole (25), a cavity is formed in the middle part of the fixing sleeve (7), a hot melt pressure head (8) is installed in the cavity of the middle part of the fixing sleeve (7), a sleeve clamp (9) is rotatably installed on the outer circumference of the fixing sleeve (7), two connecting blocks (10) are symmetrically installed on the side of the sleeve clamp (9) away from the fixing sleeve (7), a connecting column (11) is installed on the side of each of the two connecting blocks (10) away from the upper shell (4), the connecting column (11) is slidably installed in the arc groove (6), and a fixing shell (24) is installed on the side of the outer circumference of the fixing sleeve (7) away from the connecting block (10).

3. The high efficiency hot melt fixture of claim 2, wherein, The cross section of the fixing sleeve (7) is circular, the sleeve clamp (9) is coaxially arranged with the fixing sleeve (7), and the diameter of the sleeve clamp (9) is greater than that of the fixing sleeve (7).

4. The high efficiency hot melt fixture of claim 3, wherein, The side of the fixing shell (24) close to the connecting column (11) is provided with a sliding groove (23), a plurality of sliding plates (14) are slidably installed in the fixing shell (24) away from the sliding groove (23), a connecting plate (13) is installed on one end of the sliding plate (14) close to the connecting block (10), a lock head (27) is installed on the side of the connecting plate (13) away from the sleeve clamp (9), a plurality of pressure springs (16) are installed on one side of the sliding plate (14), a plurality of clamping teeth (15) are installed on the other end of the pressure springs (16), the clamping teeth (15) are slidably installed on the inside of the fixing shell (24), and the connecting plate (13) is slidably installed in the sliding groove (23).

5. The high efficiency hot melt dispensing fixture of claim 4, wherein, A lock groove (12) is formed in one side of the connecting column (11), the lock groove (12) is matched with the lock head (27), the cross section of the lock head (27) is triangular, and the symmetric two sides of the lock head (27) are inclined inward.

6. The high efficiency hot melt tooling fixture of claim 1, wherein, The positioning assembly comprises a receiving block (22) installed in the middle of the lower shell (5), a positioning slot (26) is formed in the receiving block (22), a worm wheel (19) is installed on the side of the receiving block (22) away from the positioning slot (26), a sliding rail (20) is installed on the side of the worm wheel (19) close to the positioning slot (26), a plurality of positioning teeth (21) are slidingly installed on the sliding rail (20), the worm wheel (19) is in contact with a worm (17), one end of the worm (17) penetrates through one side of the lower shell (5) and extends to be fixedly installed with a knob (18), and the positioning teeth (21) are slidingly installed in the inside of the positioning slot (26).

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