Four-ring-head ring opening type punch structure
By designing the combination of open head ring structure and rubber pad clamp plate, the problem of disassembly and assembly difficulties when the four-ring punch head ring is worn is solved, and the rapid replacement of the head ring and the protection of the ring seat are achieved, and the production efficiency and service life are improved.
Patent Information
- Application Number
- CN202421843844.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-01
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-08-01
AI Technical Summary
The head ring of the existing four-ring punch needs to be removed and installed when worn, resulting in cumbersome loading and unloading process and easy to wear the ring seat, affecting service life and production efficiency.
An open head ring structure is designed, and the rubber pads and the clamping plate are sealed and fixed, and the head ring is loaded and unloaded separately through an annular slot and hook tooling to avoid disassembly and assemble the ring seat.
It realizes rapid replacement of the head ring, improves production efficiency, avoids wear of the ring seat, and extends service life.
Smart Images

Figure CN223043613U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of die-casting equipment parts, in particular to a four-ring head ring open punch structure. Background Technique
[0002] Among various parts used in die-casting equipment during casting, punches are used frequently. During the use of four-ring punches, their head rings will continue to wear, and a closed ring structure without an opening is mostly used. When the head ring wears and needs to be replaced, the ring seat needs to be removed, and then the ring is knocked off with a tooling to replace it. Its loading and unloading process is rather troublesome, and the ring seat is easily worn to a certain extent during the process, affecting its service life and reducing production efficiency. Content of the Utility Model
[0003] The purpose of the utility model is to provide a four-ring head ring open punch structure, which can complete the loading and unloading of the head ring independently without disassembling and assembling the ring seat, and improve production efficiency.
[0004] To achieve the above purpose, a four-ring head ring open punch structure is provided, including a pressure injection rod. A water delivery pipe is fixedly embedded in the left and right directions at the center inside the pressure injection rod. The left end outside of the water delivery pipe is fixedly connected with a ring seat. A connecting head is assembled between the ring seat and the pressure injection rod. The left end outside of the ring seat is snap-fitted and fixed with a head ring. A second ring, a third ring, and a tail ring are sequentially arranged on the right side of the head ring. The inner sides of the second ring and the third ring are both snap-fitted and fixed with the ring seat. The left and right sides inside the tail ring are respectively snap-fitted and fixed with the ring seat and the connecting head. An oil injection ring is assembled on the left end outside of the pressure injection rod. A break is provided in the middle of the front side of the head ring. A rubber pad is squeezed and filled in the break. The top of the rubber pad is fixedly connected with the head ring, and the bottom of the rubber pad is in extrusion fit with it. Through grooves are provided in the upper and lower directions on both the left and right sides of the rubber pad. A clamping plate is slidably fitted in each through groove. The top of the clamping plate on the left side of the rubber pad extends into the inner wall of the head ring and is fixedly connected with it, and its bottom also extends into the inner wall of the head ring and is in sliding fit with it. The bottom of the clamping plate on the right side of the rubber pad extends into the inner wall of the head ring and is fixedly connected with it, and its top also extends into the inner wall of the head ring and is in sliding fit with it. Annular notches are alternately provided on the opposite sides of the clamping plate up and down. The annular notches are all provided on the head ring, and the annular notch on the left side is above the break, and the annular notch on the right side is below the break. By setting a break to design an open head ring and cooperating with the rubber pad and the clamping plate for sealing and fixing, while ensuring the stable installation and nesting use, the annular notches can be used to cooperate with common hook-type tooling to hang and pull the head ring open in the upper and lower directions, and the loading and unloading of the head ring can be completed independently without disassembling and assembling the ring seat, improving production efficiency.
[0005] According to the four-ring head ring open punch structure described above, the front outer edges of the annular notches are all rounded. It is convenient to cooperate with a hook to hang and apply force in the upper and lower directions to open.
[0006] According to the four-ring head ring open punch structure described above, the clamping plates are all arc-shaped plates and the centers of the circles thereof are at the same position as the center of the head ring, making it smoother and more stable during embedding.
[0007] According to the four-ring head ring open punch structure described above, a membrane pad is attached to and covers the inner side of the head ring, and the membrane pad is composed of multiple layers of smooth permeable membranes, avoiding abrasion on the ring seat when disassembling and assembling the head ring.
[0008] According to the four-ring head ring open punch structure described above, a connecting pin is assembled on the right side of the connecting head, and a hoop is assembled on the outside of the connecting pin, improving the connection stability between the connecting head and the injection rod.
[0009] According to the four-ring head ring open punch structure described above, a number of sealing rings are evenly assembled on the outer side of the right end of the water delivery pipe, and the outer sides of the sealing rings are all fixedly fitted with the injection rod, ensuring the sealing performance and avoiding water leakage.
[0010] According to the four-ring head ring open punch structure described above, a number of positioning pin holes are equidistantly arranged on the top of the injection rod from left to right, and pin rods are all fitted in the positioning pin holes, facilitating quick positioning and connection.
[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0012] In the present utility model, by setting a break design for the open head ring and cooperating with a rubber pad and a clamping plate for sealing and fixing, while ensuring the stability of installation and nesting use, it can also be pulled and opened upward and downward by hooking with a common hook-type tooling through the set annular notch, and the head ring can be disassembled and assembled independently without disassembling and assembling the ring seat, improving production efficiency.
[0013] The additional aspects and advantages of the present utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The following further describes the present utility model in conjunction with the drawings and embodiments;
[0015] Figure 1 is a cross-sectional view of the four-ring head ring open punch structure of the present utility model;
[0016] Figure 2 is a schematic diagram of the connection structure between the connecting head and the ring seat in the four-ring head ring open punch structure of the present utility model;
[0017] Figure 3 is a schematic diagram of the head ring structure in the four-ring head ring open punch structure of the present utility model;
[0018] Figure 4 This is an overall schematic diagram of the open punch structure of the four-ring head ring of the present utility model.
[0019] In the figure: 1, injection rod; 2, water delivery pipe; 3, connector; 4, ring seat; 5, head ring; 6, second ring; 7, third ring; 8, tail ring; 9, oil injection ring; 10, fracture; 11, rubber pad; 12, clamping plate; 13, annular notch; 14, membrane pad; 15, connecting pin; 16, hoop; 17, sealing ring. Specific embodiments
[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0021] In the description of the present utility model, it should be understood that for the orientation description, such as the orientation or positional relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.
[0022] In the description of the present utility model, unless otherwise clearly defined, words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the technical field can reasonably determine the specific meanings of the above words in the present utility model in combination with the specific content of the technical solution.
[0023] Please refer to Figures 1-4, the present utility model provides a technical solution: a four-ring head ring open-type punch structure, including a pressure injection rod 1. A water delivery pipe 2 is fixedly fitted in the left-right direction at the inner center of the pressure injection rod 1. A ring seat 4 is fixedly connected to the outer side of the left end of the water delivery pipe 2. A connector 3 is assembled between the ring seat 4 and the pressure injection rod 1. A head ring 5 is fixedly clamped to the outer side of the left end of the ring seat 4. A second ring 6, a third ring 7 and a tail ring 8 are sequentially arranged on the right side of the head ring 5. Among them, the inner sides of the second ring 6 and the third ring 7 are both fixedly clamped to the ring seat 4. The left and right sides of the inner side of the tail ring 8 are respectively fixedly clamped to the ring seat 4 and the connector 3. An oil injection ring 9 is assembled on the outer side of the left end of the pressure injection rod 1. A break 10 is provided in the middle of the front side of the head ring 5. A rubber pad 11 is squeezed and filled in the break 10. The top of the rubber pad 11 is fixedly connected to the head ring 5, and the bottom of the rubber pad 11 is in extrusion fit with it. Sliding grooves are provided through the upper and lower sides on both the left and right sides of the rubber pad 11. Clamping plates 12 are slidably fitted in the sliding grooves. The clamping plates 12 are all arc-shaped plates and their centers are at the same position as the center of the head ring 5. Among them, the top of the clamping plate 12 on the left side of the rubber pad 11 extends into the inner wall of the head ring 5 and is fixedly connected to it, and its bottom also extends into the inner wall of the head ring 5 and is in interference fit and sliding with it. Among them, the bottom of the clamping plate 12 on the right side of the rubber pad 11 extends into the inner wall of the head ring 5 and is fixedly connected to it, and its top also extends into the inner wall of the head ring 5 and is in interference fit and sliding with it. Annular notches 13 are staggered on the opposite upper and lower sides of the clamping plate 12. The front outer edges of the annular notches 13 are all rounded. The annular notches 13 are all provided on the head ring 5, and the annular notch 13 on the left side is placed above the break 10, and the annular notch 13 on the right side is placed below the break 10. The open-type head ring is designed and quick loading and unloading is assisted to improve production efficiency.
[0024] A film pad 14 is attached and covered on the inner side of the head ring 5. The film pad 14 is composed of multiple layers of smooth transparent films, ensuring that there is no relative friction and scratch problem between its inner side and the ring seat during the loading and unloading process of the head ring.
[0025] A connecting pin 15 is assembled on the right side of the connector 3. A hoop 16 is assembled on the outer side of the connecting pin 15. A plurality of sealing rings 17 are evenly assembled on the outer side of the right end of the water delivery pipe 2. The outer sides of the sealing rings 17 are all fixedly fitted to the pressure injection rod 1. A plurality of positioning pin holes are equidistantly provided on the top of the pressure injection rod 1 in the left-right direction. Pin rods are fitted in the positioning pin holes to assist in connecting and fixing each component and maintain the overall sealing stability.
[0026] Working principle: In the present utility model, by setting the break 10 to design the open-type head ring 5 and cooperating with the rubber pad 11 and the clamping plate 12 for sealing and fixing, while ensuring the stable installation and nesting use, it can also be pulled and opened upward and downward by hanging with a common hook-type tooling in cooperation with the provided annular notches 13. The head ring 5 can be loaded and unloaded independently without disassembling and assembling the ring seat 4, improving production efficiency.
[0027] The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings. However, the present utility model is not limited to the above embodiments, and various changes can be made without departing from the gist of the present utility model within the scope of knowledge possessed by those of ordinary skill in the relevant art.
Claims
1. A four-ring head ring opening punch structure, comprising a shot rod (1), characterized in that: A water transport pipe (2) is fixedly engaged with the center of the inner side of the injection rod (1) in the left and right directions. A ring seat (4) is fixedly connected to the outer side of the left end of the water transport pipe (2). A connector (3) is arranged between the ring seat (4) and the injection rod (1). A head ring (5) is fixedly engaged with the left end of the outer side of the ring seat (4). The right side of the head ring (5) is provided with a second ring (6), a third ring (7) and a tail ring (8) in sequence, wherein the inner sides of the second ring (6) and the third ring (7) are both fixedly engaged with the ring seat (4), and the inner sides of the tail ring (8) are respectively fixedly engaged with the ring seat (4) and the connector (3). An oil injection ring (9) is arranged on the outer side of the left end of the injection rod (1). A fracture (10) is provided in the middle of the front side of the head ring (5). A rubber pad (11) is extruded and filled in the fracture (10). The top of the rubber pad (11) is fixedly connected to the head ring (5). The bottom of the rubber pad (11) is squeezed and fitted with it, and the left and right sides of the rubber pad (11) are both provided with sliding grooves running through them from top to bottom, and the sliding grooves are both provided with card plates (12) that slide in cooperation, wherein the top of the card plate (12) located on the left side of the rubber pad (11) extends into the inner wall of the head ring (5) and is fixedly connected thereto, and its bottom also extends into the inner wall of the head ring (5) and slides in engagement with it, wherein the bottom of the card plate (12) located on the right side of the rubber pad (11) extends into the inner wall of the head ring (5) and is fixedly connected thereto, and its top also extends into the inner wall of the head ring (5) and slides in engagement with it, and annular notches (13) are alternately provided on the upper and lower opposite sides of the card plate (12), and the annular notches (13) are all provided on the head ring (5), and the annular notches (13) located on the left side are placed above the fracture (10), and the annular notches (13) located on the right side are placed below the fracture (10).
2. The four-ring head opening punch structure according to claim 1, characterized in that: The front outer edges of the annular notch (13) are all rounded.
3. The four-ring head opening punch structure according to claim 1, characterized in that: The clamping plates (12) are all arc-shaped plates and the center of the circle is at the same position as the center of the head ring (5).
4. The four-ring head opening punch structure according to claim 1, characterized in that: The inner side of the head ring (5) is covered with a membrane pad (14), and the membrane pad (14) is composed of multiple layers of smooth and transparent membrane.
5. The four-ring head opening punch structure according to claim 1, characterized in that: The right side of the connector (3) is equipped with a connecting pin (15), and the outer side of the connecting pin (15) is equipped with a clamp (16).
6. The four-ring head opening punch structure according to claim 1, characterized in that: A plurality of sealing rings (17) are evenly mounted on the left and right sides of the outer side of the right end of the water transport pipe (2), and the outer sides of the sealing rings (17) are all engaged and fixed with the injection rod (1).
7. The four-ring head opening punch structure according to claim 1, characterized in that: A plurality of positioning pin holes are equidistantly arranged on the top of the injection rod (1) on the left and right sides, and pin rods are fitted in the positioning pin holes.