Machine tool positioning mould for automobile mould machining

Abstract

The utility model discloses a machine tool positioning mould for automobile mould processing, and relates to the technical field of mould processing. Comprising a base, fixing frames are symmetrically and fixedly connected to the outer wall of the base, the clamping device is further included, the outer wall of the clamping device is fixedly connected with the outer walls of the fixing frames, and the outer wall of the clamping device is fixedly connected with an anti-disengaging device; the clamping device comprises a fixing frame, a bolt is inserted into the inner wall of the fixing frame, a telescopic rod is fixedly connected to the inner wall of the fixing frame and sleeved with a compression spring, a positioning connecting rod is fixedly connected to the end, away from the inner wall of the fixing frame, of the telescopic rod, an L-shaped plate is fixedly connected to the outer wall of the positioning connecting rod, and an avoiding groove is formed in the wall of the L-shaped plate. When the die is inserted into and pushes the L-shaped plates, the compression springs enable the L-shaped plates to be tightly attached to the two sides of the die to complete preliminary positioning, then the bolts are used for fixing, vibration is effectively resisted, die displacement is prevented, it is ensured that the die position is stable during machining, and therefore the automobile die machining precision is improved.

Description

Technical Field

[0001] This utility model relates to the field of mold processing technology, specifically a machine tool positioning fixture for automobile mold processing. Background Technology

[0002] In automotive mold processing workshops, machine tool positioning fixtures play a crucial role. Automotive mold processing demands high precision; even slight deviations can lead to misfitting automotive parts, affecting overall vehicle performance and quality. The workshop environment is complex, with machine tools generating continuous and intense vibrations during operation. Furthermore, the significant variations in mold weight and shape pose substantial challenges to positioning and stable clamping. Existing machine tool positioning fixtures for automotive mold processing perform poorly in such environments. Traditional positioning fixtures are mostly simple in structure and offer limited clamping methods, making them ill-suited to adapt to automotive molds of varying shapes and sizes. When machine tools in the workshop vibrate, it is difficult to effectively resist the vibration, causing the mold to shift during processing. When milling large automotive body panel molds, the unstable clamping of the positioning fixture can cause slight displacement of the mold position, resulting in surface defects and failure to meet the accuracy of key dimensions. This leads to the scrapping of a large number of molds, increasing production and time costs. Moreover, traditional positioning fixtures lack effective anti-detachment design. During processing, especially during cutting operations, the mold is prone to detachment due to vibration and cutting forces, which can damage the mold and machine tool and endanger the safety of operators. Utility Model Content

[0003] (a) Technical problems to be solved

[0004] To address the shortcomings of existing technologies, this utility model provides a machine tool positioning fixture for automotive mold processing. It aims to effectively cope with workshop vibrations through a clamping device and an anti-detachment device, stabilize the positioning, and firmly clamp the automotive mold, thereby improving processing accuracy and ensuring production safety and efficiency.

[0005] (II) Technical Solution

[0006] To achieve the above objectives, this utility model is implemented through the following technical solution: a machine tool positioning fixture for automobile mold processing, including a base, with a fixing frame symmetrically fixedly connected to the outer wall of the base, and further including: a clamping device, the outer wall of the clamping device being fixedly connected to the outer wall of the fixing frame, and an anti-detachment device being fixedly connected to the outer wall of the clamping device;

[0007] Preferably, the clamping device includes a fixed frame, with a pin inserted into the inner wall of the fixed frame, a telescopic rod fixedly connected to the inner wall of the fixed frame, a compression spring sleeved on the outside of the telescopic rod, a positioning connecting rod fixedly connected to the end of the telescopic rod away from the inner wall of the fixed frame, and an L-shaped plate fixedly connected to the outer wall of the positioning connecting rod. An clearance groove is formed in the wall of the L-shaped plate. By setting up the clamping device, the mold is inserted and pushed against the L-shaped plate. The compression spring causes the L-shaped plate to tightly fit against both sides of the mold for initial positioning, and then it is fixed with a pin. This effectively resists vibration, prevents mold displacement, and ensures stable mold position during processing, thereby improving the processing accuracy of automotive molds.

[0008] Preferably, the outer wall of the fixed frame is fixedly connected to the outer wall of the fixed bracket, the outer wall of the bottom of the L-shaped plate is slidably connected to the outer wall of the top of the base, one end of the compression spring is fixedly connected to the outer wall of the positioning connecting rod, and the other end of the compression spring is fixedly connected to the inner wall of the fixed frame.

[0009] Preferably, the anti-detachment device includes a sliding block, a servo motor is fixedly connected to the outer wall of the sliding block, a screw is fixedly connected to the output end of the servo motor, a pressing block is threadedly connected to the outer wall of the screw, a protective plate is fixedly connected to the bottom outer wall of the pressing block, and movable rods are fixedly connected to both sides of the bottom end of the pressing block. By setting the anti-detachment device, the servo motor drives the screw to make the pressing block move the protective plate to press the top of the mold, preventing the mold from detaching. The movable rods work together to enhance the overall stability, and the protective plate, together with the clearance groove, blocks debris, protects the screw, and ensures a smooth processing process.

[0010] Preferably, the outer wall of the sliding block is slidably connected to the outer wall of the base, the bottom end of the movable rod is fixedly connected to the outer wall of the L-shaped plate, the outer wall of the protective plate is slidably connected to the inner wall of the L-shaped plate through a clearance groove, and the outer wall of the pressing block is slidably connected to the outer wall of the L-shaped plate.

[0011] (III) Beneficial Effects

[0012] This utility model provides a machine tool positioning fixture for automotive mold processing. It has the following beneficial effects:

[0013] (I) The positioning fixture of this machine tool, by setting up a clamping device, inserts the mold into the L-shaped plate and compresses the spring to make the L-shaped plate fit tightly against both sides of the mold to complete the initial positioning, and then fixes it with pins to effectively resist vibration, prevent mold displacement, and ensure the mold position is stable during processing, thereby improving the processing accuracy of automotive molds and reducing the scrap rate.

[0014] (II) The positioning fixture of this machine tool is equipped with an anti-detachment device. The servo motor drives the screw to make the lower pressure block move the protective plate to press the top of the mold to prevent the mold from falling out. The linkage of the movable rod enhances the overall stability. In addition, the protective plate, together with the clearance groove, blocks the debris, protects the screw, and ensures a smooth processing process. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a partial structural diagram of the fixed frame of this utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of the clamping device of this utility model;

[0018] Figure 4 This is a schematic diagram of the anti-detachment device of this utility model.

[0019] In the diagram: 1. Base; 2. Fixing frame; 3. Clamping device; 4. Anti-detachment device; 31. Fixing frame; 32. Telescopic rod; 33. Compression spring; 34. Positioning connecting rod; 35. Pin; 36. L-shaped plate; 37. Clearance groove; 41. Sliding block; 42. Servo motor; 43. Screw; 44. Pressing block; 45. Movable rod; 46. Protective plate. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1-4 This utility model provides a technical solution: a machine tool positioning fixture for automobile mold processing, including a base 1, a fixing frame 2 symmetrically fixedly connected to the outer wall of the base 1, and a clamping device 3, the outer wall of the clamping device 3 being fixedly connected to the outer wall of the fixing frame 2, and an anti-detachment device 4 being fixedly connected to the outer wall of the clamping device 3.

[0022] The clamping device 3 includes a fixed frame 31, with a pin 35 inserted into the inner wall of the fixed frame 31. A telescopic rod 32 is fixedly connected to the inner wall of the fixed frame 31, and a compression spring 33 is sleeved on the outside of the telescopic rod 32. A positioning connecting rod 34 is fixedly connected to the end of the telescopic rod 32 away from the inner wall of the fixed frame 31. An L-shaped plate 36 is fixedly connected to the outer wall of the positioning connecting rod 34. An clearance groove 37 is provided in the wall of the L-shaped plate 36. When it is necessary to position the car mold, the mold is inserted between the two L-shaped plates 36, and the clamping device 3 begins to function. The fixed frame 31 is fixed on the fixed frame 2. One end of the telescopic rod 32 is connected to the inner wall of the fixed frame 31. The compression spring 33 sleeved on the outside provides elastic force. When the mold is inserted, the L-shaped plate 36 is pushed, so that the positioning connecting rod 34 drives the telescopic rod 32 to compress the compression spring 33. The L-shaped plate 36 slides along the top of the base 1. In this way, the elastic force of the compression spring 33 can make the L-shaped plate 36 fit tightly against both sides of the mold, realizing the initial clamping and positioning of the mold. Then, the position of the L-shaped plate 36 is fixed by inserting the pin 35 into the inner wall of the fixed frame 31.

[0023] The outer wall of the fixed frame 31 is fixedly connected to the outer wall of the fixed bracket 2, the outer wall of the bottom of the L-shaped plate 36 is slidably connected to the outer wall of the top of the base 1, one end of the compression spring 33 is fixedly connected to the outer wall of the positioning connecting rod 34, and the other end of the compression spring 33 is fixedly connected to the inner wall of the fixed frame 31.

[0024] The anti-detachment device 4 includes a sliding block 41. A servo motor 42 is fixedly connected to the outer wall of the sliding block 41. A screw 43 is fixedly connected to the output end of the servo motor 42. A pressing block 44 is threadedly connected to the outer wall of the screw 43. A protective plate 46 is fixedly connected to the outer wall of the bottom of the pressing block 44. Movable rods 45 are fixedly connected to both sides of the bottom end of the pressing block 44. The sliding block 41 can slide on the outer wall of the base 1. After the servo motor 42 fixed on it is started, it drives the screw 43 at the output end to rotate. Since the screw 43 is threadedly connected to the pressing block 44... Next, the rotation of the screw 43 causes the lower pressure block 44 to move axially along the screw 43. The protective plate 46 connected to the bottom of the lower pressure block 44 is slidably connected to the inner wall of the L-shaped plate 36 through the clearance groove 37 in the wall of the L-shaped plate 36, which makes it difficult for processing debris to enter the thread of the screw 43, thereby protecting the stable operation of the screw 43. The movable rods 45 on both sides are also connected to the outer wall of the L-shaped plate 36. When the lower pressure block 44 moves downward, the protective plate 46 presses down on the top of the mold, further fixing the mold and preventing it from coming out during processing.

[0025] The outer wall of the sliding block 41 is slidably connected to the outer wall of the base 1, the bottom end of the movable rod 45 is fixedly connected to the outer wall of the L-shaped plate 36, the outer wall of the protective plate 46 is slidably connected to the inner wall of the L-shaped plate 36 through the clearance groove 37, and the outer wall of the pressing block 44 is slidably connected to the outer wall of the L-shaped plate 36.

[0026] In use, the machine tool positioning fixture for automotive mold processing is based on the base 1. Through the coordinated work of the clamping device 3 and the anti-detachment device 4, the positioning and stable clamping of the automotive mold is achieved. The base 1 provides stable support for the entire fixture. The fixed frame 2, which is symmetrically fixed on its outer wall, is used to install the clamping device 3. When it is necessary to position the automotive mold, the mold is inserted between the two L-shaped plates 36. At this time, the clamping device 3 begins to function. The fixed frame 31 is fixed on the fixed frame 2. One end of the telescopic rod 32 is connected to the inner wall of the fixed frame 31. The compression spring 33 sleeved on the outside provides elastic force. When the mold is inserted, it pushes the L-shaped plate 36, causing the positioning connecting rod 34 to drive the telescopic rod 32 to compress the compression spring 33. The L-shaped plate 36 slides along the top of the base 1. In this way, the elastic force of the compression spring 33 can make the L-shaped plate 36 fit tightly against both sides of the mold, achieving the initial clamping and positioning of the mold. Then, by inserting the pin 35 into the inner wall of the fixed frame 31, the position of the L-shaped plate 36 is fixed, further ensuring the stability of the mold during processing and avoiding mold displacement due to vibration and other factors.

[0027] The anti-detachment device 4 provides additional protection for the mold. The sliding block 41 can slide on the outer wall of the base 1. After the servo motor 42 fixed on it is started, it drives the screw 43 at the output end to rotate. Since the screw 43 is threadedly connected to the lower pressure block 44, the rotation of the screw 43 causes the lower pressure block 44 to move along the axial direction of the screw 43. The protective plate 46 connected to the bottom of the lower pressure block 44 is slidably connected to the inner wall of the L-shaped plate 36 through the clearance groove 37 in the wall of the L-shaped plate 36, which makes it difficult for processing debris to enter the thread of the screw 43, thereby protecting the stable operation of the screw 43. The movable rods 45 on both sides are also connected to the outer wall of the L-shaped plate 36. When the lower pressure block 44 moves downward, the protective plate 46 presses down on the top of the mold to further fix the mold and prevent it from coming off during processing. At the same time, the connection between the movable rod 45 and the L-shaped plate 36 allows the anti-detachment device 4 and the clamping device 3 to work together to enhance the overall stability.

[0028] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A machine tool positioning mold fixture for automobile mold machining, comprising a base (1), the outer wall of the base (1) is fixedly connected with a fixing frame (2) in symmetry, characterized in that: Also include: The outer wall of the clamping device (3) is fixedly connected with the outer wall of the fixed frame (2), and the outer wall of the clamping device (3) is fixedly connected with the anti-off device (4); The clamping device (3) comprises a fixed frame (31), the inner wall of the fixed frame (31) is inserted with a bolt (35), the inner wall of the fixed frame (31) is fixedly connected with a telescopic rod (32), the outer part of the telescopic rod (32) is provided with a compression spring (33), one end of the telescopic rod (32) away from the inner wall of the fixed frame (31) is fixedly connected with a positioning connecting rod (34), the outer wall of the positioning connecting rod (34) is fixedly connected with an L-shaped plate (36), and the wall of the L-shaped plate (36) is provided with an avoiding slot (37).

2. The machine positioning mold set for machining of an automobile mold according to claim 1, wherein: The outer wall of the fixed frame (31) is fixedly connected with the outer wall of the fixed frame (2), and the outer wall of the bottom of the L-shaped plate (36) is slidingly connected with the outer wall of the top of the base (1).

3. The machine positioning mold set for machining of an automobile mold according to claim 1, wherein: One end of the compression spring (33) is fixedly connected with the outer wall of the positioning connecting rod (34), and the other end of the compression spring (33) is fixedly connected with the inner wall of the fixed frame (31).

4. The machine positioning mold set for machining of an automobile mold according to claim 1, wherein: The anti-off device (4) comprises a sliding block (41), the outer wall of the sliding block (41) is fixedly connected with a servo motor (42), the output end of the servo motor (42) is fixedly connected with a screw rod (43), the outer wall of the screw rod (43) is threadedly connected with a pressing block (44), the outer wall of the bottom of the pressing block (44) is fixedly connected with a protective plate (46), and the bottom of the pressing block (44) is fixedly connected with a protective plate (46). The outer wall of the two sides of the movable rod (45) is fixedly connected with the movable rod (45).

5. The machine positioning mold set for machining of an automobile mold according to claim 4, wherein: The outer wall of the sliding block (41) is slidingly connected with the outer wall of the base (1).

6. The machine positioning mold set for machining of an automobile mold according to claim 4, wherein: The bottom of the movable rod (45) is fixedly connected with the outer wall of the L-shaped plate (36), the outer wall of the protective plate (46) is slidingly connected with the inner wall of the L-shaped plate (36) through the avoiding slot (37), and the outer wall of the pressing block (44) is slidingly connected with the outer wall of the L-shaped plate (36).

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