Large broach clamping device of broaching machine

Abstract

The utility model relates to the technical field of large broach installation, in particular to a large broach clamping device of a broaching machine. One end of the outer side of the pull rod is in sliding connection with a pull sleeve, a clamping structure is arranged on one side of the pull rod, installation structures are evenly arranged on the inner side of the pull rod, and a handle structure is arranged on one side of the top of the pull rod and used for fixing the pull rod and the pull sleeve. According to the large broach clamping device of the broaching machine, through the design of the clamping structure and the installation structure, the device can adapt to the size and the shape of a broach so as to ensure that the broach can be accurately and rapidly clamped and loosened, and therefore the purposes that clamping is convenient and simple, clamping is stable and firm, operation is easy and smooth, and the service life of the broach is prolonged are achieved; therefore, the labor intensity of an operator is reduced, the machining efficiency is nearly doubled, and the effects of effectively protecting equipment and personnel safety and the drawing size and form and location tolerance of a product are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of large-scale broach installation, in particular to a large-scale broach clamping device for a broaching machine. Background Art

[0002] The large broach clamping device for broaching machines is a core component used in broaching machine equipment. Its main function is to ensure the stability and precision of the broach during the processing. The following is a detailed introduction to the large broach clamping device for broaching machines. The large broach clamping device for broaching machines is an important part of broaching machine equipment. It ensures the stability and precision of the broach during the processing by accurately controlling the clamping and loosening of the broach. The device is usually composed of multiple components, including a clamping mechanism, a transmission mechanism, a control system, etc. In short, the large broach clamping device for broaching machines is an important part of broaching machine equipment. It ensures the stability and precision of the broach during the processing by accurately controlling the clamping and loosening of the broach. At the same time, the device also has high safety and stability, providing operators with a safe and efficient working environment.

[0003] For example, the Chinese utility model patent (CN216706134U) discloses a broach clamping device, which solves the following problems: At present, various manufacturers still use the traditional method, in which the operator clamps the broach on the clamping body. The defects of the manual clamping method are: low clamping accuracy, affecting the processing accuracy of the final formed workpiece; and because the broach is heavy, manual clamping also has high labor intensity and low efficiency. The device includes: a clamping body, a first through inner hole is provided in the clamping body, and at least two second inner holes that are connected to and perpendicular to the first inner hole are symmetrically provided on the side wall of the clamping body; a cylindrical tool handle sleeve, which is nested in the first inner hole of the clamping body, and at least two tool handle sleeve through holes are symmetrically provided on the side wall of the tool handle sleeve, and the tool handle sleeve through holes correspond to the second inner hole of the clamping body; at least two clamping cylinders symmetrically arranged on the side wall of the clamping body, and the piston rod of each clamping cylinder is connected with a clamping block, and the clamping block can be slidably arranged in the second inner hole of the clamping body. The broach clamping device of the utility model can automatically clamp or release the broach, so the clamping precision is high, and the processing precision of the final formed workpiece is high; and the labor intensity of the operator is reduced, and the work efficiency is improved.

[0004] When using the above technology, we found the following technical problems in the prior art: the device uses a force transmission plate to clamp the card plate for fixing. When encountering heavy tasks and large production batches, the broach clamping device has the risk of heavy card plates and broach breakage. For this reason, we designed a large broach clamping device for broaching machines to provide another technical solution to the above technical problems. Utility Model Content

[0005] The utility model aims to provide a large-scale broach clamping device for a broaching machine to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A large broach clamping device for a broaching machine comprises a draw rod, one end of the outer side of the draw rod is slidably connected to a draw sleeve, one side of the draw rod is provided with a clamping structure, the inner side of the draw rod is evenly provided with mounting structures, and one side of the top of the draw rod is provided with a handle structure, and the handle structure is used to fix the draw rod and the draw sleeve.

[0008] As a preferred embodiment of the large broach clamping device for a broaching machine provided by the utility model, the clamping structure includes a clamping plate, a clamping claw and a spring, and clamping plates are slidably connected on both sides and both ends of one end of the pull rod, a spring is fixed on one side of the two clamping plates located on both sides of the pull rod where they are close to each other, and another spring is fixed on one side of the two clamping plates located at both ends of the pull rod where they are close to each other, and a clamping claw is fixed on one side of the four clamping plates where they are close to each other.

[0009] As a preferred embodiment of the large broach clamping device for a broaching machine provided by the utility model, the mounting structure includes a baffle, a limit rod and a bolt. The inner sides of the four clamps are slidably connected with the baffles, one end of the inner sides of the four baffles is fixed with a limit rod, the four limit rods are slidably connected to the four clamps respectively, the other ends of the inner sides of the four baffles are threadedly connected with bolts, and the four baffles are fixed to the pull rod.

[0010] As a preferred implementation of the large broach clamping device for a broaching machine provided by the utility model, the four baffles are respectively fixed by four bolts and a pull rod.

[0011] As a preferred embodiment of the large-scale broach clamping device for a broaching machine provided by the utility model, stoppers are fixed to the four ends of the inner side of the broaching sleeve, and the four stoppers are slidably connected to four clamping plates respectively.

[0012] As a preferred embodiment of the large broach clamping device for a broaching machine provided by the utility model, the handle structure includes a screw rod, a rotating rod and a fixed rod, the top of the pull rod is threadedly connected with the screw rod, the screw rod and the pull sleeve are threadedly connected, the top of the screw rod is fixed with a rotating rod, and one side of the rotating rod is fixed with a fixed rod.

[0013] As a preferred embodiment of the large broach clamping device for a broaching machine provided by the utility model, a limiting block is fixed at one end of the outer side of the pull rod, and the limiting block is slidably connected to the pull sleeve.

[0014] As a preferred embodiment of the large broach clamping device for a broaching machine provided by the utility model, a rectangular groove is provided at one end of the inner side of the broaching sleeve, and the broaching sleeve is slidably connected with the limit block via the rectangular groove.

[0015] It can be seen without a doubt that the above-mentioned technical solution of the present application can definitely solve the technical problem to be solved by the present application.

[0016] At the same time, through the above technical solutions, the utility model has at least the following beneficial effects:

[0017] The large-scale broach clamping device for a broaching machine provided by the utility model can adapt to the size and shape of the broach through the design of the clamping structure and the mounting structure, so as to ensure that it can be clamped and released accurately and quickly, thereby achieving the purposes of light and simple clamping, stable and firm clamping, simple and smooth operation, and increased broach life, thereby reducing the labor intensity of the operator, increasing the processing efficiency by nearly one-fold, and effectively protecting the safety of equipment and personnel as well as the size and shape tolerance of the product drawing;

[0018] The handle structure of the device is designed so that the handle can cooperate smoothly with the pull sleeve through the pull rod, accurately controlling the clamping and loosening of the broach, ensuring the stability and precision of the broach during processing. At the same time, it also improves safety and stability, providing a safe and efficient working environment for the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of the large broach clamping device for a broaching machine of the utility model;

[0020] Figure 2 It is a side view of the large broach clamping device of the broaching machine of the utility model;

[0021] Figure 3 It is a side view of the broaching sleeve of the large broach clamping device of the broaching machine of the utility model;

[0022] Figure 4 It is a schematic diagram of the connection between the draw sleeve and the stopper of the large draw tool clamping device of the draw machine of the utility model;

[0023] Figure 5 It is a schematic diagram of the connection between the screw rod and the rotating rod of the large broach clamping device of the broaching machine of the utility model;

[0024] Figure 6 It is a connection diagram of the drawbar and the limit block of the large broach clamping device of the broaching machine of the utility model;

[0025] Figure 7 It is a schematic diagram of the connection between the drawbar and the clamping plate of the large-scale broach clamping device of the broaching machine of the utility model;

[0026] Figure 8 This is a schematic diagram of the connection between the clamping plate and the spring of the large broach clamping device of the broaching machine of the utility model;

[0027] Fig. 9 This is a schematic diagram of the connection between the clamping plate and the baffle plate of the large broach clamping device of the broaching machine of the utility model;

[0028] Fig.10 The utility model is a schematic diagram of the connection between the baffle plate and the limit rod of the large broach clamping device of the broaching machine.

[0029] In the figure: 1. pull rod; 2. pull sleeve; 3. block; 4. limit block; 5. clamping plate; 6. clamping claw; 7. baffle; 8. limit rod; 9. bolt; 10. spring; 11. screw rod; 12. rotating rod; 13. fixing rod. DETAILED DESCRIPTION

[0030] The utility model provides a large-scale broach clamping device for a broaching machine.

[0031] Specifically, please refer to Figure 1-Figure 10 The large broach clamping device of the broaching machine specifically includes: a draw rod 1, one end of the outer side of the draw rod 1 is slidably connected with a draw sleeve 2, a clamping structure is arranged on one side of the draw rod 1, a mounting structure is evenly arranged on the inner side of the draw rod 1, and a handle structure is arranged on one side of the top of the draw rod 1, and the handle structure is used to fix the draw rod 1 and the draw sleeve 2.

[0032] The large-scale broach clamping device for a broaching machine provided by the utility model can adapt to the size and shape of the broach through the design of the clamping structure and the mounting structure, so as to ensure that it can be clamped and released accurately and quickly, thereby achieving the purposes of light and simple clamping, stable and firm clamping, simple and smooth operation, and increased broach life, thereby reducing the labor intensity of the operator, increasing the processing efficiency by nearly one-fold, and effectively protecting the safety of equipment and personnel as well as the size and shape tolerance of the product drawing;

[0033] The handle structure of the device is designed so that the handle can smoothly cooperate with the pull rod 1 and the pull sleeve 2, accurately controlling the clamping and loosening of the broach, ensuring the stability and precision of the broach during the processing, and at the same time, improving safety and stability, providing the operator with a safe and efficient working environment.

[0034] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0035] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0036] Reference Figure 1-Figure 10A large broach clamping device for a broaching machine includes a draw rod 1, one end of the outer side of the draw rod 1 is slidably connected with a draw sleeve 2, a clamping structure is arranged on one side of the draw rod 1, a mounting structure is evenly arranged on the inner side of the draw rod 1, and a handle structure is arranged on one side of the top of the draw rod 1, and the handle structure is used to fix the draw rod 1 and the draw sleeve 2.

[0037] The clamping structure includes a clamping plate 5, a clamping claw 6 and a spring 10. The clamping plates 5 are slidably connected on both sides and both ends of one end of the pull rod 1. The spring 10 is fixed on the side where the two clamping plates 5 on both sides of the pull rod 1 are close to each other. The side where the two clamping plates 5 at both ends of the pull rod 1 are close to each other is fixed to another spring 10. The side where the four clamping plates 5 are close to each other is fixed with a clamping claw 6, so that the clamping structure can quickly install the broach.

[0038] The mounting structure includes a baffle 7, a limiting rod 8 and a bolt 9. The inner sides of the four clamping plates 5 are slidably connected with the baffle 7. One end of the inner sides of the four baffles 7 is fixed with a limiting rod 8. The four limiting rods 8 are slidably connected to the four clamping plates 5 respectively. The other ends of the inner sides of the four baffles 7 are threadedly connected with bolts 9. The four baffles 7 are fixed to the pull rod 1. The four baffles 7 are fixed to the pull rod 1 by four bolts 9 respectively, and their function is to prevent the clamping plates 5 from detaching.

[0039] Stoppers 3 are fixed to the four ends of the inner side of the pull sleeve 2 , and the four stoppers 3 are slidably connected to the four clamping plates 5 , respectively, so that the stoppers 3 can drive the clamping plates 5 to slide.

[0040] The handle structure includes a screw rod 11, a rotating rod 12 and a fixed rod 13. The top of the pull rod 1 is threadedly connected to the screw rod 11, the screw rod 11 and the pull sleeve 2 are threadedly connected, the rotating rod 12 is fixed to the top of the screw rod 11, and the fixed rod 13 is fixed to one side of the rotating rod 12, so that the handle structure can connect the pull rod 1 and the pull sleeve 2.

[0041] A limiting block 4 is fixed to one end of the outer side of the pull rod 1 , and the limiting block 4 is slidably connected to the pull sleeve 2 , so that the limiting block 4 can limit the sliding distance of the pull rod 1 .

[0042] A rectangular groove is provided at one end of the inner side of the pull sleeve 2, and the pull sleeve 2 is slidably connected to the limit block 4 through the rectangular groove, so that the connection between the pull sleeve 2 and the limit block 4 is more stable.

[0043] The large-scale broach clamping device for a broaching machine provided by the utility model can adapt to the size and shape of the broach through the design of the clamping structure and the mounting structure, so as to ensure that it can be clamped and released accurately and quickly, thereby achieving the purposes of light and simple clamping, stable and firm clamping, simple and smooth operation, and increased broach life, thereby reducing the labor intensity of the operator, increasing the processing efficiency by nearly one-fold, and effectively protecting the safety of equipment and personnel as well as the size and shape tolerance of the product drawing;

[0044] The handle structure of the device is designed so that the handle can smoothly cooperate with the pull rod 1 and the pull sleeve 2, accurately controlling the clamping and loosening of the broach, ensuring the stability and precision of the broach during the processing, and at the same time, improving safety and stability, providing the operator with a safe and efficient working environment.

[0045] The use process of the large-scale broach clamping device for a broaching machine provided by the utility model is as follows: the user puts the broach into the side where the four clamping jaws 6 are close to each other, and then slides the pull sleeve 2 so that the pull sleeve 2 slides along the outer side of the pull rod 1, thereby sliding the four blocks 3 and the clamping plate 5, thereby sliding the four clamping plates 5 along the baffle 7 and the limit rod 8 toward the center direction, and pressing the spring 10 at the same time, thereby enabling the four clamping jaws 6 to clamp the broach, and the spring 10 plays a role similar to a gasket, which helps to ensure the clamping stability, and can also bounce the broach when disassembling. The broach clamping device is simple to operate, convenient and fast in tool loading and unloading, time-saving and labor-saving, and reduces the operator's labor, thereby increasing the product processing efficiency by nearly one-fold, saving 30% of labor costs, and opening up ideas and laying a foundation for mass product processing methods. In short, the utility model ensures the stability and precision of the broach during processing by accurately controlling the clamping and loosening of the broach. At the same time, the device also has high safety and stability, providing a safe and efficient working environment for the operator.

Claims

1. A large broach clamping device for a broaching machine, comprising a drawbar (1), characterized in that: One end of the outer side of the pull rod (1) is slidably connected to a pull sleeve (2), a clamping structure is provided on one side of the pull rod (1), a mounting structure is evenly provided on the inner side of the pull rod (1), and a handle structure is provided on one side of the top of the pull rod (1), and the handle structure is used to fix the pull rod (1) and the pull sleeve (2).

2. The large broach clamping device for broaching machines according to claim 1, characterized in that: The clamping structure comprises a clamping plate (5), a clamping claw (6) and a spring (10); both sides and both ends of one end of the pull rod (1) are slidably connected with clamping plates (5); the sides of the two clamping plates (5) located on both sides of the pull rod (1) close to each other are fixed with a spring (10); the sides of the two clamping plates (5) located at both ends of the pull rod (1) close to each other are fixed with another spring (10); and the sides of the four clamping plates (5) close to each other are fixed with clamping claws (6).

3. The large broach clamping device for broaching machines according to claim 2, characterized in that: The mounting structure comprises a baffle (7), a limiting rod (8) and a bolt (9); the inner sides of the four clamping plates (5) are slidably connected to the baffle (7); one end of the inner sides of the four baffles (7) is fixed with a limiting rod (8); the four limiting rods (8) are slidably connected to the four clamping plates (5) respectively; the other ends of the inner sides of the four baffles (7) are threadedly connected to the bolt (9); and the four baffles (7) are fixed to the pull rod (1).

4. The large broach clamping device for broaching machines according to claim 3, characterized in that: The four baffles (7) are respectively fixed by four bolts (9) and a pull rod (1).

5. The large broach clamping device for broaching machines according to claim 2, characterized in that: Stoppers (3) are fixed to the four ends of the inner side of the pull sleeve (2), and the four stoppers (3) are respectively slidably connected to four clamping plates (5).

6. The large broach clamping device for broaching machines according to claim 1, characterized in that: The handle structure comprises a screw rod (11), a rotating stick (12) and a fixed stick (13); the top of the pull rod (1) is threadedly connected to the screw rod (11); the screw rod (11) and the pull sleeve (2) are threadedly connected; the top of the screw rod (11) is fixed with a rotating stick (12); and one side of the rotating stick (12) is fixed with a fixed stick (13).

7. The large broach clamping device for broaching machines according to claim 1, characterized in that: A limiting block (4) is fixed to one end of the outer side of the pull rod (1), and the limiting block (4) is slidably connected to the pull sleeve (2).

8. The large broach clamping device for broaching machines according to claim 7, characterized in that: A rectangular groove is provided at one end of the inner side of the pull sleeve (2), and the pull sleeve (2) is slidably connected to the limit block (4) via the rectangular groove.

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