Injection mold with floating demolding structure
By designing injection molds with floating mold release structures, the problem of inconvenience in molding of existing injection molds after injection molding is solved, and convenient mold release of injection molded items and improvement of injection molding efficiency is achieved.
Patent Information
- Application Number
- CN202420876350.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-25
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-04-25
AI Technical Summary
The existing injection molds cannot conveniently release the injection molded items after injection molding, resulting in inconvenient demolding process.
An injection mold with a floating mold release structure is designed, including a bottom plate, a support seat, a lower mold seat, a mold seat, an upper mold seat and a top material release rod. Through the coordination of the positioning rod and the pushing seat, the upper mold seat and the top material release rod are moved, which facilitates the mold release of molded items.
Through the floating mold release structure, the injection molding molding significantly improves the mold release convenience of injection molded items, improves the injection molding efficiency, avoids collision between the top material seat and the lower mold seat, and extends the service life of the mold.
Smart Images

Figure CN222628486U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of injection mold structures, in particular to an injection mold with a floating demoulding structure. Background Art
[0002] Injection mold is a common manufacturing tool, mainly used to manufacture plastic injection molded products. It is composed of high-precision molds and mold supports, and is used to manufacture plastic products of various shapes and sizes. In the injection molding process, the mold is injected with molten plastic, and then solidified through a cooling process to form the required plastic product, and then the molded product is demolded so that it can be easily removed.
[0003] After searching, the authorization announcement number CN219443209U discloses a floating demolding structure of a mold, which belongs to the field of mold technology. It solves the problem of the existing difficulty in demolding the workpiece after stamping. The floating demolding structure of the mold includes a base plate and a concave mold plate arranged on the base plate. The concave mold plate is provided with a mounting hole, and a guide sleeve is fixed in the mounting hole. The upper end of the guide sleeve has an annular guide wall, and the inner diameter of the guide wall gradually increases from the lower edge to the upper edge. A concave mold seat is arranged in the guide sleeve, and the upper end of the concave mold seat has a groove. The concave mold seat includes two symmetrically arranged and fitted half-mold seats, and both half-mold seats can move along the guide wall in an oblique upward direction so that the two half-mold seats are gradually opened. The floating demolding structure of the mold makes it convenient for the subsequent ejection mechanism or clamping mechanism to easily remove the workpiece from the concave mold plate, which greatly improves the convenience of demolding the workpiece.
[0004] However, the existing injection molds cannot conveniently demould the injection-molded objects after the injection molding is completed, so there is an urgent need in the market for an injection mold with a floating demoulding structure to solve these problems. Utility Model Content
[0005] The utility model aims to provide an injection mold with a floating demoulding structure to solve the problem that the existing injection molds mentioned in the above background technology cannot conveniently demould the injection molded objects after the injection molding is completed.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an injection mold with a floating demolding structure, comprising a base plate, support seats are arranged on both sides of the upper end of the base plate, a lower mold base is installed above the support seat, a cooling medium inlet is arranged at one end of the lower mold base, and a cooling medium outlet is arranged at one end of the cooling medium inlet, a forming mold base is arranged at the upper end of the lower mold base, a mold groove is arranged inside the forming mold base, an ejection through hole is arranged at the lower end of the mold groove, positioning rods are arranged around the forming mold base, an upper mold base is installed above the lower mold base, a pushing seat is installed above the base plate, a material ejection seat is installed at the upper end of the pushing seat, a material ejection demolding rod is arranged at the upper end of the material ejection seat, a support seat 1 is arranged at one end of the outer wall of the material ejection demolding rod, and a buffer spring is arranged above the support seat 1.
[0007] Preferably, the lower die base is fixedly connected to the support base by fixing bolts, six fixing bolts are provided, and one end of the fixing bolt passes through the lower die base and extends to the inside of the support base.
[0008] Preferably, the forming die base and the lower die base are an integral structure, the support base and the bottom plate are an integral structure, two support bases are provided, and the two support bases are symmetrical with respect to the vertical center line of the bottom plate.
[0009] Preferably, the positioning rod and the lower die base are an integral structure, and four positioning rods are provided, and the four positioning rods are symmetrical about the vertical center line of the lower die base.
[0010] Preferably, a feed seat is provided at one end of the upper die seat, a positioning slot corresponding to the positioning rod is provided inside the upper die seat, and one end of the positioning rod is located inside the positioning slot.
[0011] Preferably, the pushing seat and the ejecting seat are fixedly connected by a mounting bolt, and one end of the mounting bolt passes through the ejecting seat and extends to the interior of the pushing seat.
[0012] Preferably, the ejection demoulding rod is arranged corresponding to the ejection through hole, and the ejection demoulding rod and the ejection seat are an integrated structure.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] The injection mold with a floating demolding structure is characterized in that the upper mold base is installed so that one end of the positioning rod is located inside the positioning groove provided on the upper mold base, so that the upper mold base can be positioned and moved during operation. When the processing is completed, the push seat is moved to enable the ejection seat to push the ejection demolding rod to move, so that the ejection demolding rod can push the molded objects inside the mold groove, so that the molded objects can be easily demolded, thereby making the injection molding more efficient.
[0015] In this type of injection mold with a floating demolding structure, a buffer spring is installed at the upper end of the ejector demolding rod, and the buffer spring is squeezed with the lower end of the lower mold base. The buffer spring can prevent the ejector base from colliding with the lower mold base, thereby avoiding the ejector base and the lower mold base from being easily damaged due to collision. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is an overall stereogram of the utility model;
[0017] Figure 2 This is a three-dimensional diagram of the installation of the support base and the lower die base of the utility model;
[0018] Figure 3 This is the front view of the ejector seat of the utility model;
[0019] Figure 4 For the utility model Figure 2 A partial enlarged view of area A.
[0020] In the figure: 1. bottom plate; 2. support seat; 3. lower die seat; 301. cooling medium inlet; 302. cooling medium outlet; 4. fixing bolt; 5. forming die seat; 501. die groove; 502. ejection hole; 6. positioning rod; 7. upper die seat; 701. positioning groove; 8. feed seat; 9. push seat; 10. ejection seat; 11. mounting bolt; 12. ejection demoulding rod; 1201. support seat 1; 13. buffer spring. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0022] See also Figure 1-4The utility model provides an embodiment: an injection mold with a floating demolding structure, comprising a bottom plate 1, support seats 2 are arranged on both sides of the upper end of the bottom plate 1, a lower mold base 3 is installed above the support base 2, a cooling medium inlet 301 is arranged at one end of the lower mold base 3, a cooling medium outlet 302 is arranged at one end of the cooling medium inlet 301, a forming mold base 5 is arranged at the upper end of the lower mold base 3, a mold groove 501 is arranged inside the forming mold base 5, and an ejection through hole 502 is arranged at the lower end of the mold groove 501, and the forming mold base 5 is provided with a mold groove 501. Positioning rods 6 are arranged all around, an upper mold base 7 is installed above the lower mold base 3, a pushing base 9 is installed above the bottom plate 1, a material ejection base 10 is installed on the upper end of the pushing base 9, a material ejection demolding rod 12 is arranged on the upper end of the material ejection base 10, a support base 1201 is arranged at one end of the outer wall of the material ejection demolding rod 12, and a buffer spring 13 is arranged above the support base 1201. It should be noted that in order to save space and highlight the innovative elements of this patent, such as the working principle and working process of how the injection mold performs injection molding will not be repeated in this patent.
[0023] When in use, the pushing seat 9 and the ejecting seat 10 are fixed by installing bolts 11, and then the pushing seat 9 is placed above the base plate 1, and then the lower mold seat 3 is installed on the supporting seat 2. At this time, the ejecting demolding rod 12 is located inside the ejection through hole 502 set in the forming mold seat 5, and the upper end of the ejecting demolding rod 12 is installed with a buffer spring 13, and the buffer spring 13 is squeezed with the lower end of the lower mold seat 3. Then, the upper mold seat 7 is installed so that one end of the positioning rod 6 is located inside the positioning through groove 701 set in the upper mold seat 7. When the processing is completed, the pushing seat 9 is moved to make the ejecting seat 10 push the ejecting demolding rod 12 to move, so that the ejecting demolding rod 12 can push the molded objects inside the mold groove 501, so that the molded objects can be easily demolded.
[0024] See also Figure 2 and Figure 4 The lower die base 3 and the support base 2 are fixedly connected by fixing bolts 4, six fixing bolts 4 are provided, one end of the fixing bolt 4 passes through the lower die base 3 and extends to the inside of the support base 2, so that the lower die base 3 and the support base 2 can be conveniently installed and fixed. Through this arrangement, the lower die base 3 can be conveniently disassembled.
[0025] See also Figure 2 The forming mold base 5 and the lower mold base 3 are an integrated structure, the support base 2 and the base plate 1 are an integrated structure, two support bases 2 are provided, and the two support bases 2 are symmetrical about the vertical center line of the base plate 1, which can make the structure between the forming mold base 5 and the lower mold base 3 more solid, and can make the structure between the support base 2 and the base plate 1 more solid.
[0026] See also Figure 1 and Figure 2 The positioning rod 6 and the lower die base 3 are an integral structure. There are four positioning rods 6. The four positioning rods 6 are symmetrical about the vertical center line of the lower die base 3, which can make the structure between the positioning rods 6 and the lower die base 3 more solid. The positioning rods 6 can be positioned and moved when the upper die base 7 and the lower die base 3 are closed.
[0027] See also Figure 1 A feed seat 8 is provided at one end of the upper mold base 7, and a positioning groove 701 corresponding to the positioning rod 6 is provided inside the upper mold base 7. One end of the positioning rod 6 is located inside the positioning groove 701. Through this arrangement, the upper mold base 7 can be positioned and moved along the direction of the positioning rod 6 to avoid the upper mold base 7 from being offset during the movement process, thereby affecting the injection molding effect.
[0028] See also Figure 1 and Figure 2 The pushing seat 9 and the ejecting seat 10 are fixedly connected by a mounting bolt 11. One end of the mounting bolt 11 passes through the ejecting seat 10 and extends to the inside of the pushing seat 9, so that the pushing seat 9 and the ejecting seat 10 can be conveniently installed and fixed.
[0029] See also Figure 1 , Figure 2 and Figure 3 The ejection demoulding rod 12 is arranged corresponding to the ejection through hole 502. The ejection demoulding rod 12 and the ejection seat 10 are an integrated structure, which can make the structure between the ejection demoulding rod 12 and the ejection seat 10 more solid. The ejection demoulding rod 12 can be easily used to eject the molded object.
[0030] Working principle: When in use, the push seat 9 and the ejection seat 10 are fixed by installing bolts 11, and then the push seat 9 is placed above the bottom plate 1, and then the lower die seat 3 is installed on the support seat 2. At this time, the ejection demoulding rod 12 is located inside the ejection through hole 502 set in the forming die seat 5, and the upper end of the ejection demoulding rod 12 is installed with a buffer spring 13, and the buffer spring 13 is squeezed with the lower end of the lower die seat 3. The buffer spring 13 can prevent the ejection seat 10 from colliding with the lower die seat 3, thereby avoiding the ejection seat The upper mold base 7 is easily damaged by collision with the lower mold base 3, and then the upper mold base 7 is installed so that one end of the positioning rod 6 is located inside the positioning groove 701 set in the upper mold base 7, so that the upper mold base 7 can be positioned and moved during work. When the processing is completed, the push seat 9 is moved to make the ejection seat 10 push the ejection demolding rod 12 to move, so that the ejection demolding rod 12 can push the molded objects inside the mold groove 501, so that the molded objects can be easily demolded, thereby making the injection molding more efficient.
[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. An injection mold with a floating demoulding structure, comprising a bottom plate (1), characterized in that: Support seats (2) are provided on both sides of the upper end of the bottom plate (1); a lower die seat (3) is installed above the support seat (2); a cooling medium inlet (301) is provided at one end of the lower die seat (3); a cooling medium outlet (302) is provided at one end of the cooling medium inlet (301); a forming die seat (5) is provided at the upper end of the lower die seat (3); a die groove (501) is provided inside the forming die seat (5); and an ejection through hole (502) is provided at the lower end of the die groove (501). 502), positioning rods (6) are arranged around the molding die base (5), an upper die base (7) is installed above the lower die base (3), a pushing seat (9) is installed above the bottom plate (1), a material ejection seat (10) is installed at the upper end of the pushing seat (9), a material ejection demoulding rod (12) is arranged at the upper end of the material ejection seat (10), a support seat 1 (1201) is arranged at one end of the outer wall of the material ejection demoulding rod (12), and a buffer spring (13) is arranged above the support seat 1 (1201).
2. The injection mold with a floating demoulding structure according to claim 1, characterized in that: The lower die base (3) and the support base (2) are fixedly connected via fixing bolts (4), six fixing bolts (4) are provided, and one end of the fixing bolt (4) passes through the lower die base (3) and extends into the interior of the support base (2).
3. The injection mold with a floating demoulding structure according to claim 1, characterized in that: The molding die base (5) and the lower die base (3) are an integral structure, the support base (2) and the bottom plate (1) are an integral structure, two support bases (2) are provided, and the two support bases (2) are symmetrical with respect to the vertical center line of the bottom plate (1).
4. The injection mold with a floating demoulding structure according to claim 1, characterized in that: The positioning rod (6) and the lower die base (3) are an integral structure, four positioning rods (6) are provided, and the four positioning rods (6) are symmetrical with respect to a vertical center line of the lower die base (3).
5. The injection mold with a floating demoulding structure according to claim 1, characterized in that: A feed seat (8) is provided at one end of the upper die seat (7), a positioning slot (701) corresponding to the positioning rod (6) is provided inside the upper die seat (7), and one end of the positioning rod (6) is located inside the positioning slot (701).
6. The injection mold with a floating demoulding structure according to claim 1, characterized in that: The pushing seat (9) and the ejecting seat (10) are fixedly connected via a mounting bolt (11), and one end of the mounting bolt (11) passes through the ejecting seat (10) and extends into the interior of the pushing seat (9).
7. The injection mold with a floating demoulding structure according to claim 1, characterized in that: The ejection demoulding rod (12) is arranged corresponding to the ejection through hole (502), and the ejection demoulding rod (12) and the ejection seat (10) are an integral structure.
Citation Information
Patent Citations
Floating demolding structure of mold
CN219443209U