Plastic broom rod mold
By setting the positioning rod, plug and release mechanism in the fixed and moving molds of the plastic broom rod mold, the problem of existing molds requiring increased thickness to hide push rods is solved, and the effect of simplifying design and reducing costs is achieved.
Patent Information
- Application Number
- CN202421234233.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-02
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-06-02
AI Technical Summary
When the existing plastic broom rod mold is movable and fixed mold clamped, the fixed mold needs to have a certain thickness to hide and place the push rod, resulting in complex mold design and high production cost.
A plastic broom rod mold including a fixed mold and a movable mold is designed. By providing a positioning rod and a stud on the front surface of the fixed mold, and a mold release mechanism is provided on the movable sleeve on the surface of the stud, the sleeve block is pushed close to it by a spring, and the finished product sleeved on the surface of the stud is removed from the stud with a sleeve ring.
It realizes the effective completion of the mold release process of the plastic broom rod without increasing the fixed mold thickness, simplifies the mold design and reduces production costs.
Smart Images

Figure CN222662487U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of plastic broom handle production moulds, in particular to a plastic broom handle mould. Background Art
[0002] Since the plastic broom handle is made of plastic, a mold is usually used for production during the production process.
[0003] When the plastic broom handle is undergoing injection molding, the cooled and formed plastic broom handle is located on the surface of the plug post. In order to demold the formed plastic broom handle from the plug post, a retractable push rod is set at the rear end of the plug post. The setting of the push rod requires the fixed mold to have a thicker thickness, so that the push rod can be hidden and placed when the movable mold and the fixed mold are closed. This places certain requirements on the production thickness of the fixed mold. Utility Model Content
[0004] The main purpose of the utility model is to provide a plastic broom handle mold, which can effectively solve the problems in the background technology.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0006] A plastic broom handle mold comprises a fixed mold and a movable mold, wherein the movable mold is arranged in front of the fixed mold, a connecting head is fixedly installed on the front surface of the movable mold, positioning rods are fixedly installed on the front surface of the fixed mold and near both sides, and plug posts are fixedly installed on the front surface of the fixed mold and located between the positioning rods, and a demoulding mechanism is provided on the surface of the plug posts.
[0007] Preferably, positioning grooves are provided on the rear surface of the movable mold near both sides, and column grooves are provided on the rear surface of the movable mold between the positioning grooves, and the number of the column grooves is three.
[0008] Preferably, an embedding groove is provided on the front surface of the fixed mold, and movable grooves are provided on the front surface of the fixed mold above and below the embedding groove. A guide rod is fixedly installed inside the movable groove, and a spring is sleeved on the surface of the guide rod.
[0009] Preferably, the movable groove is communicated with the embedding groove, the plug post is fixedly installed in the embedding groove, and the number of the embedding grooves is three.
[0010] Preferably, the demoulding mechanism includes a ring, a fixed block, a connecting rod and a ring block, the upper surface and the lower surface of the ring are fixedly installed with fixed blocks near the two sides, the front surface of the ring block is also fixedly installed with fixed blocks near the two sides, and a connecting rod is movably installed between the fixed blocks of the ring.
[0011] Preferably, the collar is sleeved on the surface of the plug column, the rear end of the connecting rod is movably mounted between the fixed blocks of the sleeve block, and the sleeve block is sleeved on the surface of the guide rod.
[0012] Preferably, the outer diameter of the collar is smaller than the diameter of the embedding groove, the diameter of the inserted column is smaller than the diameter of the column groove, the outer diameter of the collar is larger than the diameter of the column groove, one end of the spring is fixed to the inner end surface of the movable groove, and the other end of the spring is fixed to the sleeve block.
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] In the utility model, by arranging the fixed mold, the plug post and the demoulding mechanism in a manner that cooperates with each other, when the movable mold and the fixed mold are closed, the collar of the demoulding mechanism is pressed into the embedding groove, and the blank can be injected into the connecting head at this time; when the movable mold and the fixed mold are separated, the spring will lose the external force of extrusion, and the spring will push the sleeves of the demoulding mechanism to approach each other, so that the finished product sleeved on the surface of the plug post can be demoulded from the plug post by using the collar, and the demoulding mechanism will be unfolded and placed in the process of closing the movable mold and the fixed mold, so that there is no need for the fixed mold to have a certain thickness to hide the squeezed demoulding mechanism. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is an overall structural diagram of one side of a plastic broom handle mold of the utility model;
[0016] Figure 2 This is the overall structural diagram of the other side of a plastic broom handle mold of the utility model;
[0017] Figure 3 This is a partial disassembly schematic diagram of a plastic broom handle mold of the utility model;
[0018] Figure 4 The utility model is a plastic broom handle mold Figure 3 Enlarged view of point A in the middle;
[0019] Figure 5 The utility model is a demoulding mechanism structure diagram of a plastic broom handle mold.
[0020] In the figure: 1, fixed mold; 101, embedded groove; 102, movable groove; 103, guide rod; 104, spring; 2, movable mold; 201, positioning groove; 202, column groove; 3, connector; 4, positioning rod; 5, plug column; 6, demoulding mechanism; 601, collar; 602, fixed block; 603, connecting rod; 604, sleeve block. DETAILED DESCRIPTION
[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0022] like Figure 1-5 A plastic broom handle mold is shown, comprising a fixed mold 1 and a movable mold 2. The movable mold 2 is arranged in front of the fixed mold 1, a connecting head 3 is fixedly installed on the front surface of the movable mold 2, positioning rods 4 are fixedly installed on the front surface of the fixed mold 1 and close to both sides, plug posts 5 are fixedly installed on the front surface of the fixed mold 1 and located between the positioning rods 4, and a demoulding mechanism 6 is movably sleeved on the surface of the plug posts 5.
[0023] A positioning groove 201 is provided on the rear surface of the movable mold 2 and near both sides, and a column groove 202 is provided on the rear surface of the movable mold 2 and located between the positioning grooves 201, and the number of the column grooves 202 is three; an embedding groove 101 is provided on the front surface of the fixed mold 1, and a movable groove 102 is provided on the front surface of the fixed mold 1 and located above and below the embedding groove 101, and a guide rod 103 is fixedly installed inside the movable groove 102, and a spring 104 is sleeved on the surface of the guide rod 103, and the spring 104 has a thrust force on the sleeve block 604 close to the insertion column 5; the movable groove 102 is connected with the embedding groove 101, and the insertion column 5 is fixedly installed in the embedding groove 101, and the number of the embedding grooves 101 is three; the demoulding mechanism 6 includes a collar 601, a fixed block 602, a connecting rod 603 and a sleeve block 604, and the upper surface and lower surface of the collar 601 A fixing block 602 is fixedly installed on the surface and near both sides, and a fixing block 602 is also fixedly installed on the front surface and near both sides of the sleeve block 604. A connecting rod 603 is movably installed between the fixing blocks 602 of the collar 601. When the collar 601 moves forward, the plastic broom rod on the surface of the plug column 5 can be pushed down; the collar 601 is sleeved on the surface of the plug column 5, and the rear end of the connecting rod 603 is movably installed between the fixing blocks 602 of the sleeve block 604, and the sleeve block 604 is sleeved on the surface of the guide rod 103; the outer diameter of the collar 601 is smaller than the diameter of the embedding groove 101, the diameter of the plug column 5 is smaller than the diameter of the column groove 202, the outer diameter of the collar 601 is larger than the diameter of the column groove 202, one end of the spring 104 is fixed to the inner end surface of the movable groove 102, and the other end of the spring 104 is fixed to the sleeve block 604.
[0024] It should be noted that the utility model is a plastic broom handle mold. When in use, after the movable mold 2 and the fixed mold 1 are molded together, the ring 601 of the demolding mechanism 6 is pressed into the embedding groove 101, and the blank can be injected into the connecting head 3. When the movable mold 2 and the fixed mold 1 are separated, the spring 104 will lose the external force of extrusion. At this time, the spring 104 will push the sleeve 604 of the demolding mechanism 6 to move closer to each other, so that the ring 601 can be used to demold the finished product sleeved on the surface of the plug post 5 from the plug post 5, and the demolding mechanism 6 will be unfolded during the process of the movable mold 2 and the fixed mold 1 being molded together, so that the fixed mold 1 does not need to have a certain thickness to hide the extruded demolding mechanism 6.
[0025] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A plastic broom handle mold, characterized by: The invention comprises a fixed mold (1) and a movable mold (2), wherein the movable mold (2) is arranged in front of the fixed mold (1), a connecting head (3) is fixedly installed on the front surface of the movable mold (2), positioning rods (4) are fixedly installed on the front surface of the fixed mold (1) and close to both sides, and plugging posts (5) are fixedly installed on the front surface of the fixed mold (1) and located between the positioning rods (4), and a demoulding mechanism (6) is movably sleeved on the surface of the plugging posts (5).
2. A plastic broom handle mold according to claim 1, characterized in that: Positioning grooves (201) are provided on the rear surface of the movable mold (2) and close to both sides, and column grooves (202) are provided on the rear surface of the movable mold (2) and located between the positioning grooves (201), and the number of the column grooves (202) is three.
3. A plastic broom handle mold according to claim 2, characterized in that: The front surface of the fixed mold (1) is provided with an embedding groove (101), and the front surface of the fixed mold (1) is provided with movable grooves (102) located above and below the embedding groove (101). A guide rod (103) is fixedly installed inside the movable groove (102), and a spring (104) is sleeved on the surface of the guide rod (103).
4. A plastic broom handle mold according to claim 3, characterized in that: The movable groove (102) is communicated with the embedding groove (101), the plug post (5) is fixedly installed in the embedding groove (101), and the number of the embedding grooves (101) is three.
5. A plastic broom handle mold according to claim 4, characterized in that: The demoulding mechanism (6) comprises a collar (601), a fixed block (602), a connecting rod (603) and a collar block (604); the fixing blocks (602) are fixedly installed on the upper surface and the lower surface of the collar (601) and close to both sides; the fixing blocks (602) are also fixedly installed on the front surface of the collar block (604) and close to both sides; and the connecting rod (603) is movably installed between the fixing blocks (602) of the collar (601).
6. A plastic broom handle mold according to claim 5, characterized in that: The collar (601) is sleeved on the surface of the plug post (5), the rear end of the connecting rod (603) is movably mounted between the fixed blocks (602) of the sleeve block (604), and the sleeve block (604) is sleeved on the surface of the guide rod (103).
7. A plastic broom handle mold according to claim 6, characterized in that: The outer diameter of the collar (601) is smaller than the diameter of the embedding groove (101), the diameter of the plug column (5) is smaller than the diameter of the column groove (202), the outer diameter of the collar (601) is larger than the diameter of the column groove (202), one end of the spring (104) is fixed to the inner end surface of the movable groove (102), and the other end of the spring (104) is fixed to the sleeve block (604).