Positioning and calibrating device of numerical control hammer

Abstract

The utility model discloses a positioning and calibrating device of a numerical control hammer, which comprises a rack, the rack comprises an upper rack and a lower rack, a hydraulic station is arranged on the upper portion of the upper rack, a hammer rod is arranged in the middle of the hydraulic station, a hammer head is arranged at the tail end of the hammer rod, a die holder is arranged below the hammer head, positioning rods are arranged on the front, back, left and right sides of the hammer head, and infrared emitters are arranged at the bottoms of the positioning rods. The die holder is correspondingly provided with a groove, an infrared receiver is arranged in the groove, and the infrared receiver and the infrared emitter are correspondingly arranged. The infrared emitters are arranged on the front, back, left and right sides of the hammer head, and the infrared receivers are correspondingly arranged on the front, back, left and right sides of the die holder, so that before the hammer head descends, the infrared emitters are aligned with the infrared receivers to emit infrared rays for positioning and calibration, and then a workpiece is machined; vibration generated in the machining process is buffered through a vibration isolation pad between the upper rack and the lower rack and a vibration absorber at the bottom of the lower rack, and most of the vibration is counteracted. The device is novel in structure and suitable for popularization.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control hammers, in particular to a positioning and calibration device for a numerical control hammer. Background Art

[0002] The CNC hammer is a die forging equipment with high forging precision and digitally controlled striking energy. It can realize arbitrary adjustment of striking energy, extend the working life of the die and hammer rod, and reduce more than 80% of vibration. It has been widely used in automobiles, motorcycles, hardware tools, engineering machinery, surgical instruments, stainless steel tableware, slings and rigging, coal mining machinery, agricultural machinery, ships, railways, aerospace and other industries. However, the existing CNC hammers have the following disadvantages. In the process of hammering materials with the CNC hammer, due to the large pressure of hammering gravity, after long-term use, the vertical descent of the CNC hammer will be offset, and the descent accuracy will deviate, resulting in a decrease in the quality of the processed workpiece, which has become a problem that production enterprises urgently need to solve. Therefore, it is necessary to improve the current CNC hammer and add a positioning calibration device to enable it to maintain processing accuracy and improve processing quality and efficiency.

[0003] In order to improve the processing accuracy of CNC hammer and ensure the precise alignment of CNC hammer and mold, a Chinese patent (authorization announcement number: CN204867271U) discloses a CNC mold hammer mold positioning quick adjustment structure. The utility model includes an upper clamping tire fixedly connected to the hammer head and a lower clamping tire fixedly connected to the mold base. The upper mold and the lower mold are respectively arranged in the upper clamping tire and the lower clamping tire. The upper mold is fixedly arranged in the upper clamping tire. An upper mold cushion block is arranged between one side of the upper mold and the upper clamping tire, and the other side is fixed to the upper clamping tire by an upper wedge iron. A lower mold cushion block is arranged between one side of the lower mold and the lower clamping tire, and the other side is fixed to the lower clamping tire by a lower wedge iron. An eccentric key is clamped between the lower mold and the lower clamping tire in the front and rear directions, and the position of the lower mold in the front and rear directions of the lower clamping tire is adjusted by the eccentric key. The utility model facilitates the rapid installation and adjustment of the mold and has strong operability.

[0004] This solution still has some shortcomings in application. During the processing, it is the CNC hammer that moves up and down. Therefore, it is the CNC hammer itself that is prone to deviation, especially long-term striking. The mold base under the CNC hammer usually needs to clamp the mold, so it is inconvenient to adjust. Therefore, the CNC hammer needs to be positioned and calibrated to maintain accuracy. At the same time, due to the heavy weight of the CNC hammer itself, it frequently collides with the base when striking from top to bottom, which can easily damage the base and shorten its service life. Therefore, it is necessary to improve the structure of the CNC hammer so that it can realize the positioning and calibration function, extend its service life and improve its practicality. Utility Model Content

[0005] The utility model discloses a positioning and calibration device for a numerical control hammer, the main purpose of which is to overcome the above-mentioned deficiencies and shortcomings of the prior art.

[0006] The technical solution adopted by the utility model is as follows:

[0007] A positioning and calibration device for a numerically controlled hammer comprises a frame, wherein the frame comprises an upper frame and a lower frame meshed up and down, a hydraulic station is arranged on the upper part of the upper frame, a hammer rod is arranged in the middle of the hydraulic station, a hammer head is arranged at the end of the hammer rod, a die base is arranged correspondingly below the hammer head, positioning rods are arranged on the front, back, left and right sides of the hammer head, an infrared transmitter is arranged at the bottom of the positioning rod, grooves are arranged correspondingly on the front, back, left and right sides of the die base, an infrared receiver is built in the groove, and the infrared receiver and the infrared transmitter are arranged correspondingly.

[0008] Furthermore, a limit block is provided on the top of the hammer rod, and the limit block is built into the hydraulic station.

[0009] Furthermore, a material ejection cylinder is provided in the middle of the mold base, and the material ejection cylinder and the hammer head are arranged in correspondence with each other up and down.

[0010] Furthermore, the length of the positioning rod is shorter than the depth of the groove, and the infrared transmitter and the infrared receiver are arranged to face each other vertically.

[0011] Furthermore, a fixing seat is provided at the bottom of the lower frame, and a plurality of shock absorbers are provided at the bottom of the fixing seat, and the shock absorbers are in contact with the ground.

[0012] Furthermore, a control panel is provided on one side of the frame, and the control panel is connected to the infrared receiver and the infrared transmitter.

[0013] Furthermore, a vibration isolation pad is provided between the upper frame and the lower frame.

[0014] It can be seen from the above description of the utility model that, compared with the prior art, the advantages of the utility model are:

[0015] The utility model firstly sets infrared transmitters on the front, back, left, and right sides of the hammer head, and at the same time, grooves are correspondingly set on the front, back, left, and right sides of the die base, and the grooves have built-in infrared receivers. Before the hammer head descends each time, the infrared transmitter first aligns with the infrared receiver to emit infrared rays for positioning and calibration. After calibration, the hammer head moves downward to process the workpiece, thereby improving the processing accuracy; then, after the hammer head is processed, it moves upward again, and before the next processing, it is aligned with the infrared transmitter and the infrared receiver again, and the positioning and calibration of the CNC hammer is realized in this cycle; finally, the hammer head and the die base are both arranged on the upper frame, and the vibration generated during the processing is respectively cushioned by the vibration isolation pad between the upper frame and the lower frame and the shock absorber at the bottom of the lower frame, thereby offsetting most of the vibration and extending the service life of the CNC hammer. The utility model has a novel structure and a clever design, can realize the positioning and calibration of the CNC hammer, and is suitable for promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front structural schematic diagram of an existing vibrating screen.

[0017] Figure 2 It is a schematic diagram of the structure of the existing limit block, hammer rod and hammer head.

[0018] Figure 3 It is a schematic diagram of the top view of the hammer head of the utility model.

[0019] Figure 4 It is a schematic diagram of the top view of the mold base of the utility model. DETAILED DESCRIPTION

[0020] The specific implementation of the present utility model will be further described below with reference to the accompanying drawings.

[0021] like Figures 1 to 4 As shown, a positioning and calibration device for a numerically controlled hammer comprises a frame, wherein the frame comprises an upper frame 1 and a lower frame 2 meshed up and down, a hydraulic station 3 is arranged on the upper part of the upper frame 1, a hammer rod 4 is arranged in the middle of the hydraulic station 3, a hammer head 5 is arranged at the end of the hammer rod 4, a die base 6 is arranged correspondingly below the hammer head 5, positioning rods 7 are arranged on the front, back, left and right sides of the hammer head 5, an infrared transmitter 8 is arranged at the bottom of the positioning rod 7, grooves are arranged on the front, back, left and right sides of the die base 6, an infrared receiver 9 is built in the groove, and the infrared receiver 9 and the infrared transmitter 8 are arranged correspondingly.

[0022] Furthermore, a limit block 10 is provided on the top of the hammer rod 4 , and the limit block 10 is built into the hydraulic station 3 .

[0023] Furthermore, a material ejection cylinder 61 is disposed in the middle of the die base 6 , and the material ejection cylinder 61 and the hammer head 5 are disposed in correspondence with each other up and down.

[0024] Furthermore, the length of the positioning rod 7 is shorter than the depth of the groove, and the infrared transmitter 8 and the infrared receiver 9 are arranged to face each other vertically.

[0025] Furthermore, a fixing seat 11 is provided at the bottom of the lower frame 2, and a plurality of shock absorbers 12 are provided at the bottom of the fixing seat 11, and the shock absorbers 12 are in contact with the ground.

[0026] Furthermore, a control panel 13 is provided on one side of the frame, and the control panel 13 is connected to the infrared receiver 9 and the infrared transmitter 8 .

[0027] Furthermore, a vibration isolation pad 14 is provided between the upper frame 1 and the lower frame 2 .

[0028] [Example]

[0029] First, the workpiece is placed on the ejection cylinder 61 for clamping and fixing, and the hammer head 5 is ready to descend vertically from top to bottom to process the workpiece. Before the hammer head 5 descends, the infrared transmitter 8 first emits vertical infrared rays downward. When the infrared receiver 9 receives it normally, it means that the position of the hammer head 5 is accurate. Then the hammer head 5 moves downward to process the workpiece, and at the same time, the positioning rod 7 is embedded in the groove. Since the length of the positioning rod 7 is shorter than the depth of the groove, the infrared transmitter 8 will not abut against the infrared receiver 9. Then, the hammer head 5 moves upward after the processing is completed, and the infrared transmitter 8 also moves upward. Before the next processing, the infrared transmitter 8 emits infrared rays downward again for calibration, and this cycle continues. Finally, the vibration generated by the upper frame caused by the impact of the hammer head 5 on the workpiece during processing is cushioned by the vibration isolation pad 14 between the upper frame 1 and the lower frame 2 and the shock absorber 12 at the bottom of the lower frame 2, thereby offsetting most of the vibration.

[0030] It can be seen from the above description of the utility model that, compared with the prior art, the advantages of the utility model are:

[0031] The utility model firstly sets infrared transmitters on the front, back, left, and right sides of the hammer head, and at the same time, grooves are correspondingly set on the front, back, left, and right sides of the die base, and the grooves have built-in infrared receivers. Before the hammer head descends each time, the infrared transmitter first aligns with the infrared receiver to emit infrared rays for positioning and calibration. After calibration, the hammer head moves downward to process the workpiece, thereby improving the processing accuracy; then, after the hammer head is processed, it moves upward again, and before the next processing, it is aligned with the infrared transmitter and the infrared receiver again, and the positioning and calibration of the CNC hammer is realized in this cycle; finally, the hammer head and the die base are both arranged on the upper frame, and the vibration generated during the processing is respectively cushioned by the vibration isolation pad between the upper frame and the lower frame and the shock absorber at the bottom of the lower frame, thereby offsetting most of the vibration and extending the service life of the CNC hammer. The utility model has a novel structure and a clever design, can realize the positioning and calibration of the CNC hammer, and is suitable for promotion.

[0032] The above is only a specific implementation method of the utility model, but the design concept of the utility model is not limited to this. Any non-substantial improvement of the utility model using this concept should be regarded as an infringement of the protection scope of the utility model.

Claims

1. A positioning and calibration device for a CNC hammer, characterized in that: The machine comprises a frame, which comprises an upper frame and a lower frame meshed up and down. A hydraulic station is arranged on the upper part of the upper frame, a hammer rod is arranged in the middle of the hydraulic station, a hammer head is arranged at the end of the hammer rod, a mold base is arranged correspondingly below the hammer head, positioning rods are arranged on the front, back, left and right sides of the hammer head, an infrared transmitter is arranged at the bottom of the positioning rod, grooves are arranged on the front, back, left and right sides of the mold base, an infrared receiver is built in the groove, and the infrared receiver and the infrared transmitter are arranged correspondingly.

2. The positioning and calibration device for a CNC hammer according to claim 1, characterized in that: A limit block is provided on the top of the hammer rod, and the limit block is built in the hydraulic station.

3. The positioning and calibration device for a CNC hammer according to claim 1, characterized in that: A material ejection cylinder is arranged in the middle of the die base, and the material ejection cylinder and the hammer head are arranged correspondingly up and down.

4. The positioning and calibration device for a CNC hammer according to claim 1, characterized in that: The length of the positioning rod is shorter than the depth of the groove, and the infrared transmitter and the infrared receiver are arranged in vertical opposition.

5. The positioning and calibration device for a CNC hammer according to claim 1, characterized in that: A fixing seat is provided at the bottom of the lower frame, and a plurality of shock absorbers are provided at the bottom of the fixing seat, and the shock absorbers are in contact with the ground.

6. The positioning and calibration device for a CNC hammer according to claim 1, characterized in that: A control panel is provided on one side of the frame, and the control panel is connected with the infrared receiver and the infrared transmitter.

7. The positioning and calibration device for a CNC hammer according to claim 1, characterized in that: A vibration isolation pad is provided between the upper frame and the lower frame.

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