Quick die changing structure of elbow pushing machine

Abstract

The utility model discloses a kind of elbow pusher quick die change structure, including blank pipe guide rod, the end of blank pipe guide rod is detachably equipped with elbow mould, the side surface of elbow mould is fixedly connected with connecting block, the side surface of blank pipe guide rod and the position of corresponding connecting block are equipped with the connecting groove of mutually cooperating with connecting block, the top and bottom of elbow mould side surface are all fixedly connected with positioning column, the top and bottom of blank pipe guide rod side surface and the position of corresponding positioning column are all equipped with the positioning hole matched with positioning column.The utility model realizes the convenient preliminary insertion of elbow mould and blank pipe guide rod by connecting block and connecting groove;Positioning column and positioning hole cooperate to increase docking accuracy and stability;Sliding block is clamped into card slot by using abutment spring, guarantee connection firmness;Limiting sliding block and limiting sliding groove ensure that sliding block slides smoothly;Pressing rod is convenient for quick disassembly mould;Sealing cover can prevent foreign matter from entering card slot.

Description

Technical Field

[0001] This utility model relates to the field of elbow pusher technology, and in particular to a quick mold changing structure for an elbow pusher. Background Technology

[0002] In the field of elbow manufacturing, elbow pushing machines are commonly used production equipment. Existing technology, such as the elbow pushing machine disclosed in CN202910131U, includes a base frame with a support in the middle. An elbow mold is mounted on the support, a hydraulic device is located at the rear of the elbow mold, a pusher is located in the middle, and an electric heating device is equipped at the front. The pusher is movably mounted on the elbow mold and has a control box, which is electrically connected to the hydraulic device and the electric heating device. The hydraulic device includes a hydraulic pump and a hydraulic cylinder, and the electric heating device consists of a medium-frequency heater and an electric heater acting as a heating coil. This elbow pushing machine, by setting a hydraulic cylinder and a pusher on the guide rod of the elbow mold, and setting a heating coil and mold section at the front of the guide rod, achieves the effect of saving manpower and time, and can process large-diameter elbows from small-diameter blanks, increasing the variety of elbows.

[0003] However, in practical production applications, existing elbow pushing machines have a prominent problem: the elbow molds are not easily disassembled and assembled. After prolonged use, elbow molds will experience wear and damage, requiring maintenance or replacement. However, due to limitations in the installation structure of existing elbow molds, disassembly and assembly require significant manpower and time, and the process is cumbersome and complex. This not only affects production efficiency and increases production costs but may also cause additional damage to the molds and equipment due to improper disassembly and assembly, further impacting the normal operation and lifespan of the equipment. Therefore, developing an elbow pushing machine structure that facilitates rapid disassembly and assembly of elbow molds is of significant practical importance. Utility Model Content

[0004] The purpose of this invention is to provide a quick mold-changing structure for an elbow pusher. The connecting block and connecting groove facilitate the initial insertion of the elbow mold and the blank guide rod; the positioning pin and positioning hole work together to increase the accuracy and stability of the connection; a retaining spring ensures the sliding block is engaged in the slot, guaranteeing a stable connection; a limiting slider and a limiting groove ensure smooth sliding of the sliding block; a pressing rod facilitates quick mold disassembly; and a sealing cover prevents foreign objects from entering the slot. This structure enables quick and convenient assembly and disassembly of the elbow mold, improving production efficiency, reducing maintenance costs, and extending equipment lifespan, resulting in significant economic and social benefits.

[0005] To achieve the above objectives, the main technical solutions adopted by this utility model include:

[0006] A quick mold changing structure for a bend pusher machine includes:

[0007] A billet tube guide rod is provided, and a detachable elbow mold is installed at the end of the billet tube guide rod. A connecting block is fixedly connected to the side of the elbow mold. A connecting groove is provided on the side of the billet tube guide rod at the position corresponding to the connecting block, which is used to cooperate with the connecting block.

[0008] In the above-mentioned quick mold changing structure of the elbow pusher, the top and bottom of the elbow mold side are fixedly connected with positioning posts, and the top and bottom of the blank tube guide rod side, corresponding to the position of the positioning posts, are provided with positioning holes that match the positioning posts.

[0009] In the above-mentioned quick mold changing structure of the elbow pusher, the top and bottom of the connecting block are slidably connected with sliding blocks, and the top and bottom of the inner wall of the connecting groove are provided with slots that match the sliding blocks.

[0010] In the above-mentioned quick mold changing structure of the elbow pusher, the connecting block is provided with a receiving groove that matches the sliding block, and an abutment spring is fixedly connected to the inner wall of the receiving groove, and the other end of the abutment spring is fixedly connected to the receiving groove.

[0011] In the above-mentioned quick mold changing structure of the elbow pusher, both sides of the sliding block are fixedly connected to limit sliders, and the inner wall of the receiving groove is provided with a limit groove that matches the receiving groove.

[0012] In the aforementioned quick mold changing structure of the elbow pusher, a pressing rod for pressing the sliding block is installed on the inner wall of the slot.

[0013] In the aforementioned quick mold changing structure for the elbow pusher, the slot is further provided with a sealing cover that matches the slot.

[0014] This utility model has at least the following beneficial effects:

[0015] 1. This utility model realizes a quick mold-changing structure for an elbow pusher. The connecting block and connecting groove facilitate the initial insertion of the elbow mold and the blank guide rod; the positioning pin and positioning hole work together to increase the accuracy and stability of the connection; the abutment spring uses a sliding block to engage with the slot, ensuring a stable connection; the limiting slider and limiting groove ensure smooth sliding of the sliding block; the pressing rod facilitates quick mold disassembly; and the sealing cover prevents foreign objects from entering the slot. This structure as a whole achieves quick and convenient assembly and disassembly of the elbow mold, improving production efficiency, reducing maintenance costs, and extending equipment lifespan, resulting in significant economic and social benefits.

[0016] 2. Convenient initial connection: By fixing a connecting block to the side of the elbow mold and opening a connecting groove on the corresponding position of the blank tube guide rod to cooperate with the connecting block, the elbow mold and the blank tube guide rod can be quickly and accurately connected initially, which facilitates the subsequent installation steps, greatly shortens the installation time, and improves the installation efficiency.

[0017] 3. Precise and stable positioning: Positioning posts are fixedly connected to the top and bottom of the elbow mold side, and positioning holes are opened at the top and bottom of the blank tube guide rod side corresponding to the positions of the positioning posts. This design increases the accuracy and stability of the connection between the elbow mold and the blank tube guide rod, ensuring that the mold can be accurately positioned during installation, avoiding problems such as insecure installation or unstable equipment operation caused by positional deviation, and improving the overall reliability and safety of the equipment.

[0018] 4. Stable Connection Structure: The top and bottom of the connecting block are slidably connected by sliding blocks. The top and bottom of the inner wall of the connecting groove have matching slots for the sliding blocks, and the connecting block also has a matching receiving groove. A retaining spring is fixedly connected to the inner wall of the receiving groove, with the other end of the retaining spring fixedly connected to the sliding block. During installation, the elastic force of the retaining spring causes the sliding blocks to engage with the slots on the inner wall of the connecting groove, thereby increasing the stability of the connection between the connecting block and the connecting groove. This effectively prevents the elbow mold from loosening or falling off during operation due to vibration, ensuring the continuity and stability of production.

[0019] 5. Reliable limiting and guiding: Limiting sliders are fixedly connected to both sides of the sliding block, and limiting grooves matching the limiting sliders are opened on the inner wall of the receiving groove. This limiting structure ensures that the sliding block can only slide in a specific direction within the receiving groove, avoiding deviation or jamming during sliding, ensuring smooth cooperation between the sliding block and the groove, and further improving the reliability and stability of mold installation.

[0020] 6. Simple disassembly operation: A pressing rod is installed on the inner wall of the slot to press the sliding block. During disassembly, simply press the sliding block in the slot with the pressing rod to disengage the sliding block and retract it into the receiving groove, thus easily disassembling the elbow mold. This design greatly simplifies the disassembly process, reduces the time and labor costs required for disassembly, facilitates the maintenance or replacement of the elbow mold, and improves the maintenance efficiency and service life of the equipment.

[0021] 7. Good sealing and protection: The sealing cover that matches the card slot is set on the card slot, which can effectively prevent dust, debris and other objects from entering the card slot. This avoids problems such as the sliding block not sliding smoothly or getting stuck due to foreign objects entering, ensuring the normal operation of the connection structure. At the same time, it also helps to extend the service life of the equipment and reduce the maintenance cost of the equipment. Attached Figure Description

[0022] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0023] Figure 1 This is a schematic diagram of the quick mold changing structure of the elbow pusher of this utility model;

[0024] Figure 2 This is a cross-sectional structural diagram of the quick mold changing structure of the elbow pusher of this utility model;

[0025] Figure 3 This is a schematic diagram of the blank tube guide rod in the quick mold changing structure of the elbow pusher of this utility model;

[0026] Figure 4 This is a cross-sectional schematic diagram of the blank tube guide rod in the quick mold changing structure of the elbow pusher of this utility model;

[0027] Figure 5 This is a schematic diagram of the elbow mold in the quick mold changing structure of the elbow pusher of this utility model;

[0028] Figure 6 This is a cross-sectional schematic diagram of the elbow mold in the quick mold changing structure of the elbow pusher of this utility model.

[0029] Explanation of icon numbers:

[0030] 1. Blank guide rod; 2. Elbow mold;

[0031] 201. Connecting block; 2011. Connecting groove;

[0032] 202. Positioning pin; 2021. Positioning hole;

[0033] 203. Sliding block; 2031. Card slot;

[0034] 204. Receiving groove; 2041. Abutment spring;

[0035] 205. Limiting slider; 2051. Limiting groove;

[0036] 206. Pressing rod; 207. Sealing cap. Detailed Implementation

[0037] The following will describe in detail the implementation of this application with reference to the accompanying drawings and embodiments, so that the implementation process of how this application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0038] Please refer to Figures 1 to 6 As shown in the figure, an embodiment of the present invention provides a quick mold changing structure for an elbow pushing machine, comprising: a blank tube guide rod 1, a detachable elbow mold 2 installed at the end of the blank tube guide rod 1, a connecting block 201 fixedly connected to the side of the elbow mold 2, and a connecting groove 2011 for cooperating with the connecting block 201 on the side of the blank tube guide rod 1 at the position corresponding to the connecting block 201.

[0039] By adopting the above technical solution, this design enables the elbow mold 2 and the blank tube guide rod 1 to quickly find the corresponding position for initial insertion during installation, which greatly shortens the installation time, improves the installation efficiency, and lays the foundation for subsequent precise installation.

[0040] To further ensure the accuracy and stability of the connection between the elbow mold 2 and the blank tube guide rod 1, in this embodiment: positioning posts 202 are fixedly connected to the top and bottom of the side of the elbow mold 2, and positioning holes 2021 matching the positioning posts 202 are opened at the top and bottom of the side of the blank tube guide rod 1 corresponding to the positions of the positioning posts 202. The cooperation between the positioning posts 202 and the positioning holes 2021 can accurately position the elbow mold 2 on the blank tube guide rod 1, preventing positional deviation during installation or use, ensuring the stability and reliability of equipment operation, and improving production quality.

[0041] To enhance the connection between the connecting block 201 and the connecting groove 2011, in this embodiment: the top and bottom of the connecting block 201 are slidably connected with sliding blocks 203, and the top and bottom of the inner wall of the connecting groove 2011 are provided with slots 2031 that match the sliding blocks 203. The engaging design of the sliding blocks 203 and the slots 2031 can effectively prevent the connecting block 201 from falling out of the connecting groove 2011, enhance the stability of the connection between the elbow mold 2 and the blank tube guide rod 1, and avoid the situation where production is affected by mold loosening.

[0042] In order to enable the sliding block 203 to automatically engage with the slot 2031 and achieve automatic locking, in this embodiment: the connecting block 201 is provided with a receiving groove 204 that matches the sliding block 203. A retaining spring 2041 is fixedly connected to the inner wall of the receiving groove 204, and the other end of the retaining spring 2041 is fixedly connected to the receiving groove 204. The elastic force of the retaining spring 2041 enables the sliding block 203 to automatically pop out and engage with the slot 2031 when the connecting block 201 is inserted into the connecting groove 2011, thereby achieving automatic locking without the need for additional manual operation, further simplifying the installation process and improving installation efficiency.

[0043] To ensure the stability and accuracy of the sliding block 203 when sliding within the receiving groove 204, in this embodiment: limiting sliders 205 are fixedly connected to both sides of the sliding block 203, and a limiting groove 2051 matching the receiving groove 204 is provided on the inner wall of the receiving groove 204. The cooperation between the limiting slider 205 and the limiting groove 2051 can limit the sliding direction of the sliding block 203, prevent it from deviating or getting stuck during the sliding process, and ensure that the sliding block 203 can smoothly cooperate with the groove 2031, thereby improving the reliability and stability of the equipment.

[0044] To facilitate the disassembly of the sliding block 203 from the slot 2031 when disassembling the elbow mold 2, in this embodiment, a pressing rod 206 for pressing the sliding block 203 is installed on the inner wall of the slot 2031. When it is necessary to disassemble the elbow mold 2, simply press the sliding block 203 with the pressing rod 206 to disassemble it from the slot 2031. The operation is simple and convenient, greatly shortening the disassembly time and improving the maintenance efficiency of the equipment.

[0045] To prevent dust, debris, and other contaminants from entering the slot 2031 and affecting the normal use of the sliding block 203, in this embodiment, a sealing cover 207 matching the slot 2031 is also provided on the slot 2031. The sealing cover 207 can effectively block external dust and debris from entering the slot 2031, protect the sliding block 203 and the slot 2031 from damage, extend the service life of the equipment, and reduce maintenance costs.

[0046] The working principle of this utility model is as follows:

[0047] When installing the elbow mold 2, the connecting block 201 on the side of the elbow mold 2 is initially inserted into the connecting groove 2011 on the side of the blank tube guide rod 1. At the same time, the two positioning pins 202 on the side of the elbow mold 2 are inserted into the two positioning holes 2021 on the side of the blank tube guide rod 1 to achieve precise positioning and initial stable connection. As the connecting block 201 is inserted, under the elastic force of the spring 2041 in the receiving groove 204 on the connecting block 201, the sliding block 203 is engaged in the slot 2031 on the inner wall of the connecting groove 2011, further increasing the stability of the connection between the connecting block 201 and the connecting groove 2011, thereby completing the installation of the elbow mold 2 and the blank tube guide rod 1.

[0048] When it is necessary to disassemble the elbow mold 2, simply press the pressing rod 206 on the inner wall of the slot 2031. The pressing rod 206 will press the sliding block 203, causing the sliding block 203 to disengage from the slot 2031 and retract into the receiving groove 204 under the action of the abutment spring 2041. At this time, the elbow mold 2 can be easily removed from the blank tube guide rod 1, realizing the convenient disassembly of the elbow mold 2.

[0049] The foregoing description illustrates and describes several preferred embodiments of the present invention. However, as previously stated, it should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the inventive concept described herein through the foregoing teachings or techniques or knowledge in related fields. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention should be within the protection scope of the appended claims.

Claims

1. A quick mold changing structure for a bend pusher, comprising a blank tube guide rod (1), characterized in that, The end of the blank tube guide rod (1) is equipped with a detachable elbow mold (2), and a connecting block (201) is fixedly connected to the side of the elbow mold (2). A connecting groove (2011) is opened on the side of the blank tube guide rod (1) at the position corresponding to the connecting block (201) to cooperate with the connecting block (201). The top and bottom sides of the elbow mold (2) are fixedly connected with positioning posts (202), and the top and bottom sides of the blank tube guide rod (1) are provided with positioning holes (2021) that match the positioning posts (202). The top and bottom sides of the connecting block (201) are slidably connected with sliding blocks (203), and the top and bottom sides of the inner wall of the connecting groove (2011) are provided with slots (2031) that match the sliding blocks (203). The connecting block (201) is provided with a slot that matches the sliding blocks. (203) A matching receiving groove (204) is provided, and an abutment spring (2041) is fixedly connected to the inner wall of the receiving groove (204), and the other end of the abutment spring (2041) is fixedly connected to the receiving groove (204); both sides of the sliding block (203) are fixedly connected to limit sliders (205), and a limit groove (2051) matching the receiving groove (204) is provided on the inner wall of the receiving groove (204); a pressing rod (206) for pressing the sliding block (203) is installed on the inner wall of the slot (2031).

2. The quick mold changing structure for a bend pusher according to claim 1, characterized in that: The card slot (2031) is also provided with a sealing cover (207) that matches the card slot (2031).

Images