CN223314313U - Production mould of plastic lamp housing - Google Patents

Abstract

The utility model discloses a production mold for a plastic lamp shell, which includes a bottom box, a bracket fixedly installed on the upper end of the bottom box, a slide seat slidably installed between the brackets, a pressure block fixedly installed at the lower end of the slide seat, and a cylinder for driving the slide seat to move is also installed on the upper end of the bracket, and a hollow rotating rod is rotatably installed between the brackets, a mold seat is fixed on the rotating rod at a position corresponding to the pressure block, the pressure block is movably connected to the mold seat, and a steel wire rope is connected between the slide seat and the rotating rod. When the slide seat rises, the rotating rod is pulled to rotate, and a special-shaped rod is movably installed in the rotating rod, the special-shaped rod is fixedly connected to the bracket, and a demoulding rod is movably installed in the rotating rod and the mold seat, the demoulding rod is in contact with the outer wall of the special-shaped rod. When the rotating rod rotates, the special-shaped rod pushes the demoulding rod to extend from the bottom wall of the mold seat. The utility model drives the rotating rod to rotate by the slide seat, and when the rotating rod rotates, the demoulding rod ejects the molded part from the mold seat, thereby realizing automatic demoulding of the molded part.

Description

Production mould of plastic lamp housing

Technical Field

The utility model relates to the technical field of plastic lamp housing production, in particular to a production die of a plastic lamp housing.

Background

The lamp is a pressure processing method for obtaining required parts by using a die arranged on a press machine to apply pressure to materials so as to separate or plastically deform the materials, the temperature of the materials is higher after the forming die part of the existing lamp is stamped, the existing process adopts a manual prying mode to separate the materials from the die, the surface of the materials is damaged, and the defective rate of the products is higher.

For example, the patent with the application number 202220009365.0 discloses a lamp shell stamping die convenient to maintain, which comprises a bottom plate, wherein two sides of the upper end of the bottom plate are provided with side plates, the upper ends of the side plates are fixedly provided with vertical rods, top plates are fixedly arranged on the vertical rods on the two sides, connecting plates are arranged below the top plates, pressing blocks are fixedly arranged on the connecting plates, the dies are arranged below the pressing blocks, air cylinders are fixedly arranged on the two sides of the lower end of the top plates, power shafts of the air cylinders are connected with sliding plates, the two sides of the sliding plates are slidably arranged on the vertical rods, screws on the connecting plates penetrate through the sliding plates and are fixedly arranged through nuts, the pressing blocks on the connecting plates are convenient to install and fix, the operation is simple and convenient, the rotating plates are rotated for 180 degrees, lamp shell forming pieces in the dies are taken out, and inserting blocks are inserted into slots during stamping, and the positions of the rotating plates are fixed.

Aiming at the related technology, the inventor considers that the mould is downwards oriented by manually rotating the rotating plate, so that the lamp shade forming part in the mould is conveniently taken out, but the forming part is not easy to be taken out in the mould due to adhesion in actual use, manual operation is still needed for taking out, the labor cost is high, and the practicability is not strong, therefore, the production mould of the plastic lamp housing is provided, the problem that the plastic lamp housing forming part cannot be automatically demoulded is solved, and the production efficiency is improved.

Disclosure of utility model

In order to solve the above-mentioned problems in the background art, the present utility model provides a production mold for a plastic lamp housing.

The production mould for the plastic lamp shell comprises a bottom box, wherein a support is fixedly arranged at the upper end of the bottom box, a sliding seat is fixedly arranged between the supports in a sliding manner, a pressing block is fixedly arranged at the lower end of the sliding seat, an air cylinder for driving the sliding seat to move is further arranged at the upper end of the support, a hollow rotating rod is rotatably arranged between the supports, a mould seat is fixedly arranged at a position, corresponding to the pressing block, on the rotating rod, the pressing block is movably connected with the mould seat, a steel wire rope is connected between the sliding seat and the rotating rod, when the sliding seat ascends, the rotating rod is pulled to rotate, a special-shaped rod is movably arranged in the rotating rod and fixedly connected with the support, a demoulding rod is movably arranged in the rotating rod and the mould seat, and is contacted with the outer wall of the special-shaped rod, and pushes the demoulding rod to extend out from the bottom wall of the mould seat when the rotating rod rotates.

Preferably, the cross section of the special-shaped rod is solid volute.

As the preferable mode of the utility model, the two ends of the special-shaped rod are provided with the fixed rods, the fixed rods are fixed on the bracket, the outer wall of the fixed rods is sleeved with the torsion springs, and the two ends of the torsion springs are respectively fixedly connected with the fixed rods and the rotating rods.

As the preferable mode of the utility model, the bracket is symmetrically provided with the mounting groove, the rotating rod is symmetrically fixed with the limiting block, and the limiting block is movably connected with the inner wall of the mounting groove.

As preferable in the utility model, a hard rubber pad is fixed on one surface of the limiting block, which is contacted with the inner wall of the mounting groove, and the rubber pad is contacted with the inner wall of the mounting groove.

As the preferable mode of the utility model, the inner wall of the rotating rod is provided with the movable groove, the demoulding rod is movably arranged in the movable groove, the outer wall of the demoulding rod is also sleeved with the spring, the spring is fixedly connected with the demoulding rod and the inner wall of the movable groove, and the height of the demoulding rod is flush with the bottom wall of the mould seat when the demoulding rod is in a storage state.

Preferably, a roller is rotatably installed at one end of the demoulding rod, which is close to the special-shaped rod, and the roller is in contact with the outer wall of the special-shaped rod.

As preferable mode of the utility model, the end edge of the demoulding rod close to one end of the mould seat is provided with an arc surface.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the utility model, the sliding seat is pushed to move downwards by the air cylinder, so that the sliding seat drives the pressing block to enter the die seat to realize the stamping forming of the plastic lamp shell, and when the stamping is completed and the air cylinder drives the sliding seat to move upwards, the rotating rod is pulled to rotate by the steel wire rope, so that the special-shaped piece pushes the demoulding rod to extend out of the bottom wall of the die seat, and the formed piece is ejected out of the die seat, thereby realizing the automatic demoulding of the plastic formed piece and improving the production efficiency.

2. According to the utility model, the die seat is driven to rotate downwards by the rotating rod, so that the opening of the die seat faces downwards, the formed part in the die seat is further convenient to fall into the bottom box for collection, the rotating rod is driven to rotate by the reset of the sliding seat for demoulding, and the die has a reasonable structure and practicability.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a turret and die holder configuration of the present utility model;

FIG. 3 is a schematic view showing the structural separation of the rotating rod and the special-shaped rod according to the present utility model;

FIG. 4 is a schematic elevational cross-sectional view of a stent structure of the present utility model;

FIG. 5 is an enlarged schematic view of the structure of the area A in FIG. 5 according to the present utility model;

fig. 6 is a schematic side cross-sectional view of a bracket structure of the present utility model.

1, A bottom box, 11, a bracket, 111, a mounting groove, 12, a sliding seat, 121, a pressing block, 122, an air cylinder, 123, a steel wire rope, 13, a special-shaped rod, 131, a fixed rod, 132, a torsion spring, 2, a rotating rod, 21, a die seat, 22, a demoulding rod, 221, a spring, 23, a movable groove, 24 and a limiting block.

Detailed Description

In order that the utility model may be more fully understood, a more particular description of the utility model will be rendered by reference to the appended drawings, in which several embodiments of the utility model are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including any and all combinations of one or more of the associated listed items.

Embodiment one:

Referring to fig. 1-6, the utility model provides a production mold for a plastic lamp housing, which comprises a bottom box 1, wherein a support 11 is fixedly arranged at the upper end of the bottom box 1, a sliding seat 12 is fixedly arranged between the supports 11, a pressing block 121 is fixedly arranged at the lower end of the sliding seat 12, an air cylinder 122 for driving the sliding seat 12 to move is further arranged at the upper end of the support 11, a hollow rotating rod 2 is rotatably arranged between the supports 11, a mold seat 21 is fixedly arranged at a position, corresponding to the pressing block 121, of the rotating rod 2, the pressing block 121 is movably connected with the mold seat 21, a steel wire rope 123 is connected between the sliding seat 12 and the rotating rod 2, when the sliding seat 12 ascends, the rotating rod 2 is internally and movably provided with a special-shaped rod 13, the special-shaped rod 13 is fixedly connected with the support 11, a demolding rod 22 is movably arranged in the mold seat 21, the demolding rod 22 is in contact with the outer wall of the special-shaped rod 13, when the rotating rod 2 rotates, the special-shaped rod 13 pushes the demolding rod 22 to push the mold seat 21, and when the rotating rod 2 pushes the demolding rod 22 to push the air cylinder 21 to stretch out of the mold seat 21 from the bottom wall 122, the bottom wall of the mold seat 21 to realize the extrusion molding of the plastic lamp housing, and the plastic lamp housing is realized, and when the plastic lamp housing is automatically pushed to push the sliding seat 21 to stretch out of the special-shaped rod 122 from the bottom wall 122 through the cylinder seat 21, thereby realizing the forming molding by pulling the plastic lamp housing.

With reference to fig. 2-3, the cross-sectional shape of the special-shaped rod 13 is a solid volute, and by this design, when the rotating rod 2 rotates, the special-shaped rod 13 pushes the demolding rod 22 to move outwards and extend from the bottom wall of the mold seat 21.

Referring to fig. 3-6, fixing rods 131 are installed at two ends of the special-shaped rod 13, the fixing rods 131 are fixed on the bracket 11, torsion springs 132 are sleeved on the outer walls of the fixing rods 131, two ends of each torsion spring 132 are fixedly connected with the fixing rods 131 and the rotating rod 2 respectively, and the rotating rod 2 can automatically reset after rotating through the torsion springs 132.

Referring to fig. 3-6, the support 11 is symmetrically provided with a mounting groove 111, the rotating rod 2 is symmetrically fixed with a limiting block 24, the limiting block 24 is movably connected with the inner wall of the mounting groove 111, the limiting block 24 plays a role in limiting the rotating rod 2, the phenomenon that the rotating rod 2 rotates too far to cause the deviation of the die seat 21 due to the pulling of the torsion spring 132 is avoided, one surface of the limiting block 24, which is in contact with the inner wall of the mounting groove 111, is fixed with a hard rubber pad, the rubber pad is in contact with the inner wall of the mounting groove 111, the limiting block 24 is protected through the rubber pad, the service life of the limiting block 24 is prolonged, and meanwhile noise generated by collision between the limiting block 24 and the inner wall of the mounting groove 111 is reduced.

Referring to fig. 2, the inner wall of the rotating rod 2 is provided with a movable groove 23, the demolding rod 22 is movably mounted in the movable groove 23, a spring 221 is further sleeved on the outer wall of the demolding rod 22, the spring 221 is fixedly connected with the demolding rod 22 and the inner wall of the movable groove 23, when the demolding rod 22 is in a storage state, the demolding rod 22 is at the same height as the bottom wall of the mold seat 21, the demolding rod 22 is pushed by the spring 221 to enable the demolding rod 22 to automatically reset after the molded part is ejected, and the influence of the demolding rod 22 on the stamping of the plastic molded part is reduced due to the fact that the demolding rod 22 is at the same height as the bottom wall of the mold seat 21.

Referring to fig. 2, a roller is rotatably mounted at one end of the demolding rod 22, which is close to the special-shaped rod 13, and contacts with the outer wall of the special-shaped rod 13, friction between the demolding rod 22 and the special-shaped rod 13 is reduced by the roller, service lives of the demolding rod 22 and the special-shaped rod 13 are prolonged, an arc surface is arranged at the end edge of the demolding rod 22, which is close to one end of the mold seat 21, so that scratches of plastic molded parts caused by the demolding rod 22 are avoided, and yield of the molded parts is improved.

The working principle of the first embodiment of the utility model is as follows:

When the die press is used, the air cylinder 122 pushes the sliding seat 12 to move downwards, the sliding seat 12 drives the pressing block 121 to move towards the direction of the die seat 21, so that the pressing block 121 is inserted into the die seat 21 to press a lamp shell, after the pressing is finished, the air cylinder 122 drives the sliding seat 12 and the pressing block 121 to move upwards, after the pressing block 121 leaves the die seat 21, the sliding seat 12 continues to move upwards and pull the steel wire rope 123, the steel wire rope 123 pulls the rotating rod 2 to rotate, the rotating rod 2 drives the torsion spring 132 to tighten when rotating, the rotating rod 2 drives the die seat 21 to rotate downwards, when the rotating rod 2 rotates, the special-shaped rod 13 pushes the demoulding rod 22 in the rotating rod 2 to move outwards, so that the demoulding rod 22 stretches out from the inner wall of the die seat 21, and the lamp shell forming part in the die seat 21 is ejected out, and falls into the bottom box 1 to collect the forming part, so that automatic demoulding of the forming part is realized, and when the pressing is needed again, the air cylinder 122 drives the sliding seat 12 and the pressing block 121 to move downwards, and simultaneously the steel wire rope 123 is loosened, the rotating rod 2 is automatically reset under rebound of the torsion spring 132, and the rotating rod 2 resets, so that the die seat 21 is driven to reset towards the direction of the pressing block 121, and the stamping operation is convenient.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the embodiments described above, but is intended to be within the scope of the utility model, as long as such insubstantial modifications are made by the method concepts and technical solutions of the utility model, or the concepts and technical solutions of the utility model are applied directly to other occasions without any modifications.

Claims (8)

1. The production die for the plastic lamp shell is characterized by comprising a bottom box (1), wherein a support (11) is fixedly arranged at the upper end of the bottom box (1), a sliding seat (12) is slidably arranged between the supports (11), a pressing block (121) is fixedly arranged at the lower end of the sliding seat (12), an air cylinder (122) for driving the sliding seat (12) to move is further arranged at the upper end of the support (11), a hollow rotating rod (2) is rotatably arranged between the supports (11), a die seat (21) is fixedly arranged at a position, corresponding to the pressing block (121), on the rotating rod (2), the pressing block (121) is movably connected with the die seat (21), a steel wire rope (123) is connected between the sliding seat (12) and the rotating rod (2), and when the sliding seat (12) ascends, the rotating rod (2) is pulled to rotate.

The special-shaped rod (13) is movably mounted in the rotating rod (2), the special-shaped rod (13) is fixedly connected with the support (11), the demolding rod (22) is movably mounted in the rotating rod (2) and the mold seat (21), the demolding rod (22) is in contact with the outer wall of the special-shaped rod (13), and when the rotating rod (2) rotates, the special-shaped rod (13) pushes the demolding rod (22) to extend out of the bottom wall of the mold seat (21).

2. A mould for producing a plastic lamp envelope as claimed in claim 1, characterized in that the cross-sectional shape of the profiled bar (13) is solid volute-like.

3. The plastic lamp housing production die as set forth in claim 2, wherein fixing rods (131) are installed at two ends of the special-shaped rod (13), the fixing rods (131) are fixed on the support (11), torsion springs (132) are sleeved on the outer walls of the fixing rods (131), and two ends of the torsion springs (132) are fixedly connected with the fixing rods (131) and the rotating rods (2) respectively.

4. The plastic lamp housing production die as set forth in claim 3, wherein the support (11) is symmetrically provided with mounting grooves (111), the rotating rod (2) is symmetrically fixed with limiting blocks (24), and the limiting blocks (24) are movably connected with the inner walls of the mounting grooves (111).

5. The mold for manufacturing a plastic lamp envelope as set forth in claim 4, wherein a hard rubber pad is fixed to a surface of the stopper (24) contacting the inner wall of the mounting groove (111), and the rubber pad contacts the inner wall of the mounting groove (111).

6. A plastic lamp housing production mold according to any one of claims 1 to 5, wherein a movable groove (23) is formed in the inner wall of the rotating rod (2), the demolding rod (22) is movably mounted in the movable groove (23), a spring (221) is further sleeved on the outer wall of the demolding rod (22), the spring (221) is fixedly connected with the demolding rod (22) and the inner wall of the movable groove (23), and the demolding rod (22) is in a storage state, and the height of the demolding rod (22) is flush with the bottom wall of the mold seat (21).

7. A mold for producing a plastic lamp envelope as set forth in claim 6, wherein a roller is rotatably mounted on an end of the ejector rod (22) adjacent to the shaped rod (13), the roller being in contact with an outer wall of the shaped rod (13).

8. A mold for producing a plastic lamp envelope as set forth in claim 7, wherein the end edge of said ejector pin (22) near one end of said mold base (21) is provided with a cambered surface.