Core rod surface punching device

Abstract

The utility model discloses a core rod surface punching device, which relates to the technical field of core rod processing, and comprises a rack and a core rod to be processed, the top of one end of the rack is fixedly provided with a fixing frame, the top of the fixing frame is fixedly provided with a hydraulic rod, the output end of the hydraulic rod is fixedly provided with a fixing plate, and the bottom of the fixing plate is fixedly provided with a motor. An automatic fixing assembly and a fixed adjusting assembly are arranged between the fixing plate and the rack; according to the technical scheme, the automatic fixing assembly is arranged, specifically, a to-be-machined core rod is placed on the two supporting wedges, the hydraulic rod drives the motor to descend, drilling is conducted through the drill bit, and before the pressing plate makes contact with the core rod firstly, so that the supporting rods are shrunk towards the interior of the sleeve rod; and the mandril is pressurized and fixed by the pressurizing plate under the elastic action of the supporting spring, so that the mandril can be automatically fixed during drilling, the drill bit can be automatically loosened after being lifted, manual adjustment is not needed, and the equipment drilling efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of core rod processing, in particular to a core rod surface punching device. Background Art

[0002] The core rod is a mold component used to form the contour surface in the compact or sintered body in the pressing direction. With the continuous progress and development of social economy, large-scale electrical equipment or large-scale engineering equipment has been widely used in various livelihood industries. The mold core rod of the mold is one of the indispensable parts in the process of processing electrical equipment or rubber products.

[0003] Chinese patent document CN109332751A discloses a drilling tool for core rod processing, including a workbench and a core rod body, wherein a fixing groove matching with the core rod body is provided in the middle of the workbench, a ball bearing is rotatably connected to the fixing groove, a bracket is slidably connected to the upper end of the workbench, fixing rods are welded and fixed at both ends of the inner top of the bracket, an adjusting rod is internally threadedly connected to the fixing rod, a pressing plate is welded and fixed to the lower end of the adjusting rod, a pressing block is fixedly connected between the inner ends of the pressing plate, the other end of the pressing plate is slidably connected to the inner wall of the bracket, a telescopic cylinder is fixedly connected to the middle of the upper end of the bracket by bolts, and the output of the telescopic cylinder The end passes through the interior of the bracket and is fixedly connected to a connecting plate, the lower end of the connecting plate is fixedly connected to a support plate by bolts, the interior of the support plate is fixedly installed with a motor by bolts, and the output end of the motor passes through the bottom of the support plate and is fixedly connected to a drill bit, which is convenient for pressing and fixing the core rod body through a fixing rod, an adjusting rod, a pressing plate, a pressing block and a positioning hole, thereby avoiding the phenomenon of the drill bit offsetting on the core rod body when drilling a hole. With this arrangement, although the core rod can be fixed, it is still necessary to manually adjust the pressing plate to fix the core rod when using it. Manual adjustment is required for fixing each time a hole is drilled, which greatly reduces the processing efficiency of drilling holes in the core rod, so it needs to be improved. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a core rod surface punching device to solve the problem in the prior art that the core rod body is pressed and fixed by a fixing rod, an adjusting rod, a pressure plate, a pressure block and a positioning hole, thereby avoiding the phenomenon that the drill bit is offset on the core rod body when drilling a hole. With this arrangement, although the core rod can be fixed, it is still necessary to manually adjust the pressure plate to fix the core rod when using it. Manual adjustment is required for fixing each time a hole is drilled, which greatly reduces the processing efficiency of drilling holes in the core rod.

[0005] In view of this, the utility model provides a mandrel surface punching device, comprising a frame and a mandrel to be processed, wherein a fixing frame is fixedly installed on the top of one end of the frame, a hydraulic rod is fixedly installed on the top of the fixing frame, a fixing plate is fixedly installed on the output end of the hydraulic rod, a motor is fixedly installed on the bottom of the fixing plate, a drill bit is fixedly installed on one end of the motor output shaft, and an automatic fixing component and a fixing adjustment component are arranged between the fixing plate and the frame;

[0006] The automatic fixing assembly includes two supporting wedges, a sleeve rod, a supporting rod, a supporting spring, a pressure plate, a triangular opening and a drill opening. The two supporting wedges are arranged on the top of the frame, the sleeve rod is fixedly installed at the bottom of both ends of the fixing plate, one end of the supporting rod is slidably connected to the inside of the sleeve rod, the supporting spring is arranged inside the sleeve rod, the pressure plate is fixedly connected to the bottom of the supporting rod, the triangular opening is opened at the bottom of the pressure plate, and the drill opening is opened in the middle of the pressure plate.

[0007] Optionally, the core rod to be processed is disposed against the inner sides of two supporting wedges, and the core rod to be processed is located at the bottom of the pressure plate.

[0008] Optionally, one end of the support spring is against the top of the support rod, and the other end of the support spring is against the top of the inner wall of the sleeve rod.

[0009] Optionally, the triangular opening is located at the top of the mandrel to be processed, and the inner side of the triangular opening matches the upper surface of the mandrel to be processed.

[0010] Optionally, the drill opening is circular, and the center of the drill opening is on the same straight line as the axis of the drill bit.

[0011] Optionally, the fixed adjustment assembly includes a slide rail, an adjustment screw and a rotating handle, the slide rail is fixedly mounted on the top of the frame, the adjustment screw is rotatably connected to the bottom axis of two supporting wedges, and the rotating handle is fixedly mounted on one end of the adjustment screw.

[0012] Optionally, the support wedge is slidably connected to the top of the slide rail, and the support wedge is threadedly engaged with the adjusting screw.

[0013] It can be seen from the above technical solutions that the embodiments of the utility model have the following advantages:

[0014] 1. The utility model is a core rod surface punching device, which is provided with an automatic fixing component. Specifically, the core rod to be processed is placed on two supporting wedges. At this time, the motor and the hydraulic rod work, and the hydraulic rod drives the motor to descend to use the drill bit to drill holes. Before that, the pressure plate will first contact the core rod, so that the support rod shrinks into the sleeve rod, and the elastic force of the support spring is used to make the pressure plate pressurize and fix the core rod, so that the core rod can be automatically fixed during drilling, and the drill bit will automatically loosen after being lifted, without manual adjustment, which greatly improves the drilling efficiency of the equipment.

[0015] 2. The utility model provides a core rod surface punching device, which is provided with a fixed adjustment component. Specifically, the adjusting screw is engaged with the support wedge by rotating the turning handle, and the distance between the two support wedges is adjusted, so that core rods of different diameters can be supported and fixed to perform punching processing, thereby meeting the work needs of the staff and being easy to use.

[0016] These features and advantages of the present invention will be disclosed in detail in the following specific implementation manners and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings:

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a side view of the utility model;

[0020] Figure 3 This is a bottom view of the utility model;

[0021] Figure 4 It is a schematic diagram of the local structure of the automatic fixing component of the utility model.

[0022] Explanation of the reference numerals in the accompanying drawings: 1. Frame; 2. Fixed frame; 3. Hydraulic rod; 4. Fixed plate; 5. Motor; 6. Drill bit; 7. Mandrel to be processed; 801. Support wedge; 802. Sleeve rod; 803. Support rod; 804. Support spring; 805. Pressure plate; 806. Triangular opening; 807. Drill opening; 901. Slide rail; 902. Adjusting screw; 903. Turning handle. DETAILED DESCRIPTION

[0023] The following is an explanation and description of the technical scheme of the embodiment of the utility model in conjunction with the drawings of the embodiment of the utility model, but the following embodiment is only a preferred embodiment of the utility model, not all. Based on the embodiment in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the utility model.

[0024] A core rod surface punching device according to an embodiment of the utility model will be described in detail below with reference to the accompanying drawings.

[0025] Example 1

[0026] For easier understanding, see Figures 1 to 4The utility model provides an embodiment of a mandrel surface punching device, comprising a frame 1 and a mandrel 7 to be processed, a fixing frame 2 is fixedly installed on the top of one end of the frame 1, a hydraulic rod 3 is fixedly installed on the top of the fixing frame 2, a fixing plate 4 is fixedly installed on the output end of the hydraulic rod 3, a motor 5 is fixedly installed on the bottom of the fixing plate 4, a drill bit 6 is fixedly installed on one end of the output shaft of the motor 5, and an automatic fixing component and a fixing adjustment component are arranged between the fixing plate 4 and the frame 1;

[0027] The automatic fixing assembly includes two support wedges 801, a sleeve rod 802, a support rod 803, a support spring 804, a pressure plate 805, a triangular opening 806 and a drill opening 807. The two support wedges 801 are arranged on the top of the frame 1, the sleeve rod 802 is fixedly installed at the bottom of both ends of the fixing plate 4, one end of the support rod 803 is slidably connected to the inside of the sleeve rod 802, the support spring 804 is arranged inside the sleeve rod 802, the pressure plate 805 is fixedly connected to the bottom of the support rod 803, and the triangular opening 806 is opened at the bottom of the pressure plate 805 The drill opening 807 is opened in the middle of the pressure plate 805, the core rod 7 to be processed is against the inner sides of the two support wedges 801, and the core rod 7 to be processed is located at the bottom of the pressure plate 805, one end of the support spring 804 is against the top of the support rod 803, and the other end of the support spring 804 is against the top of the inner wall of the sleeve rod 802, the triangular opening 806 is located at the top of the core rod 7 to be processed, and the inner side of the triangular opening 806 matches the upper surface of the core rod 7 to be processed, the drill opening 807 is circular, and the center of the drill opening 807 and the axis of the drill bit 6 are on the same straight line.

[0028] It should be noted that two identical support wedges 801 are provided to support the bottom of the mandrel 7 to be processed, and the support surface of the support wedge 801 can be processed into a rough surface to improve the fixing effect on the mandrel 7 to be processed, and then a sleeve rod 802, a support rod 803, a support spring 804 and a pressure plate 805 are provided to limit the top of the mandrel 7 to be processed. When drilling a hole on the surface of the mandrel 7 to be processed, the mandrel 7 to be processed is first placed on the inner side of the two support wedges 801, and the mandrel 7 to be processed is supported by the inclined surfaces of the inner sides of the two support wedges 801. At this time, the motor 5 and the hydraulic rod 3 are working, and the hydraulic The pressure rod 3 drives the motor 5 to descend, and the drill bit 6 is used to drill holes. Before that, the pressure plate 805 will first contact the core rod, and the triangular opening 806 opened by the pressure plate 805 will just clamp the two sides of the top of the core rod 7 to be processed, and then the support rod 803 will retract into the sleeve rod 802, and the elastic force of the support spring 804 is used to make the pressure plate 805 pressurize and fix the core rod, so that the core rod can be automatically fixed during drilling. The drill bit 6 will automatically release after being lifted, and no manual adjustment is required, which greatly improves the drilling efficiency of the equipment. The purpose of setting the drill opening 807 is to reserve a drilling position for the drill bit 6 during the downward pressure process.

[0029] Example 2

[0030] In some embodiments, Figure 2 , Figure 3 As shown, the fixed adjustment assembly includes a slide rail 901, an adjustment screw 902 and a rotating handle 903. The slide rail 901 is fixedly installed on the top of the frame 1. The adjustment screw 902 is rotatably connected to the bottom axis of two support wedges 801. The rotating handle 903 is fixedly installed at one end of the adjustment screw 902. The support wedge 801 is slidably connected to the top of the slide rail 901. The support wedge 801 and the adjustment screw 902 are threadedly engaged.

[0031] It should be noted that by providing a slide rail 901, an adjusting screw 902 and a turning handle 903, the adjusting screw 902 is driven to engage with the support wedge 801 by rotating the turning handle 903 during operation, and the distance between the two support wedges 801 is adjusted, so that core rods of different diameters can be supported and fixed, and drilling work can be performed, thereby meeting the work needs of the staff and being convenient to use.

[0032] Working principle: When in use, according to the diameter of the core rod 7 to be processed, the handle 903 is rotated to drive the adjusting screw 902 to engage with the support wedge 801, and the distance between the two support wedges 801 is adjusted so that it can support the core rod 7 to be processed, and then the hydraulic rod 3 and the motor 5 are started. The hydraulic rod 3 drives the motor 5 to descend, and the drill bit 6 is used to drill holes. Before that, the pressure plate 805 will first contact the core rod, and the triangular opening 806 opened by the pressure plate 805 will just clamp the two sides of the top of the core rod 7 to be processed, and then the support rod 803 will shrink into the sleeve rod 802, and the elastic force of the support spring 804 will be used to make the pressure plate 805 pressurize and fix the core rod, so that the core rod can be automatically fixed during drilling, and the drill bit 6 will automatically loosen after being lifted, without manual adjustment, which greatly improves the drilling efficiency of the equipment.

[0033] As described above, the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A mandrel surface punching device, characterized in that: It comprises a frame (1) and a core rod (7) to be processed, wherein a fixing frame (2) is fixedly mounted on the top of one end of the frame (1), a hydraulic rod (3) is fixedly mounted on the top of the fixing frame (2), a fixing plate (4) is fixedly mounted on the output end of the hydraulic rod (3), a motor (5) is fixedly mounted on the bottom of the fixing plate (4), a drill bit (6) is fixedly mounted on one end of the output shaft of the motor (5), and an automatic fixing component and a fixing adjustment component are arranged between the fixing plate (4) and the frame (1); The automatic fixing assembly comprises two supporting wedges (801), a sleeve rod (802), a supporting rod (803), a supporting spring (804), a pressure plate (805), a triangular opening (806) and a drill opening (807), wherein the two supporting wedges (801) are arranged on the top of the frame (1), the sleeve rod (802) is fixedly mounted on the bottom of both ends of the fixing plate (4), one end of the supporting rod (803) is slidably connected inside the sleeve rod (802), the supporting spring (804) is arranged inside the sleeve rod (802), the pressure plate (805) is fixedly connected to the bottom of the supporting rod (803), the triangular opening (806) is opened at the bottom of the pressure plate (805), and the drill opening (807) is opened in the middle of the pressure plate (805).

2. A mandrel surface punching device according to claim 1, characterized in that: The core rod (7) to be processed is disposed against the inner sides of the two supporting wedges (801), and the core rod (7) to be processed is located at the bottom of the pressure plate (805).

3. A mandrel surface punching device according to claim 1, characterized in that: One end of the support spring (804) is abutted against the top of the support rod (803), and the other end of the support spring (804) is abutted against the top of the inner wall of the sleeve rod (802).

4. A mandrel surface punching device according to claim 1, characterized in that: The triangular opening (806) is located at the top of the core rod (7) to be processed, and the inner side of the triangular opening (806) matches the upper surface of the core rod (7) to be processed.

5. A mandrel surface punching device according to claim 1, characterized in that: The drill opening (807) is circular, and the center of the drill opening (807) and the axis of the drill bit (6) are on the same straight line.

6. A mandrel surface punching device according to claim 1, characterized in that: The fixed adjustment assembly comprises a slide rail (901), an adjustment screw rod (902) and a rotating handle (903); the slide rail (901) is fixedly mounted on the top of the frame (1); the adjustment screw rod (902) is rotatably connected to the bottom axis of two support wedges (801); and the rotating handle (903) is fixedly mounted on one end of the adjustment screw rod (902).

7. A mandrel surface punching device according to claim 1, characterized in that: The support wedge (801) is slidably connected to the top of the slide rail (901), and the support wedge (801) and the adjusting screw rod (902) are threadedly engaged.

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