Servo press-fitting equipment with pressure and displacement feedback

Abstract

The utility model discloses servo press-fitting equipment with pressure and displacement feedback, which comprises a rack, a deck plate is arranged on the rack, a lower base plate is arranged on the deck plate, a fixing seat is arranged on the lower base plate, a guide column is arranged on the fixing seat, an electric cylinder fixing plate is arranged at the end part of the guide column, a servo electric cylinder is arranged on the electric cylinder fixing plate, and a servo motor is arranged on the servo electric cylinder. One end of the servo electric cylinder is connected with the upper pressing plate, the upper pressing rod is movably arranged on the guide column, and the upper pressing plate is further provided with a pressure sensor. A servo electric cylinder is used, a pressure sensor is arranged, a displacement ruler is reduced, pressure and displacement curves can be displayed, displacement can be accurately set, the riveting precision is improved, the electrical design is simplified, the design cost is reduced, and the production efficiency is improved. And in addition, the press-fit limiting position can be adjusted according to the height size of the part, and the press-riveting requirements of different parts are met.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile parts processing, and particularly relates to a servo pressing equipment with pressure and displacement feedback. Background Technique

[0002] With the continuous progress of the automobile industry, many parts in automobiles need to be riveted using pressing equipment.

[0003] The existing pressing equipment with pressure and displacement feedback consists of a frame, a gas-liquid booster cylinder, a booster cylinder fixing plate, a pressure sensor, a displacement ruler, guide columns, guide sleeves, an upper pressing plate, and a lower platen. Its action sequence is that the gas-liquid booster cylinder fixed on the frame drives the pressure sensor, the displacement ruler, and the upper pressing plate installed on the guide columns and guide sleeves to move downward; after reaching the range of the booster cylinder, it returns.

[0004] The existing pressing equipment with pressure and displacement feedback is equipped with a pressure sensor and a displacement ruler on the gas-liquid booster cylinder. Although it can display the pressure and displacement curves, the displacement can only display the range of the gas-liquid booster cylinder, the displacement cannot be set, and the speed of the booster cylinder cannot be controlled, resulting in the riveting accuracy not meeting the requirements. Because there are many configured electrical components, the electrical design is relatively complex, increasing the design cost. At the same time, it cannot limit the pressing distance according to different parts, affecting the accuracy during pressing. For this reason, we propose a servo pressing equipment with pressure and displacement feedback. Content of the Utility Model

[0005] The purpose of the utility model is to provide a servo pressing equipment with pressure and displacement feedback to solve the problems in the above background technique that the existing pressing equipment can only display the range of the gas-liquid booster cylinder, cannot set the displacement, and the speed of the booster cylinder cannot be controlled, resulting in the riveting accuracy not meeting the requirements. Because there are many configured electrical components, the electrical design is relatively complex, increasing the design cost. At the same time, it cannot limit the pressing distance according to different parts, affecting the accuracy during pressing.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A servo pressing equipment with pressure and displacement feedback, including a frame, a table board is arranged on the frame, a lower substrate is arranged on the table board, a fixed seat is arranged on the lower substrate, a guide column is arranged on the fixed seat, an electric cylinder fixing plate is arranged at the end of the guide column, a servo electric cylinder is arranged on the electric cylinder fixing plate, one end of the servo electric cylinder is connected to an upper pressing plate, the upper pressing rod is movably arranged on the guide column, and a pressure sensor is also arranged on the upper pressing plate;

[0007] Wherein, adjustable positioning mechanisms for adjusting the pressing distance are arranged on both sides of the lower substrate.

[0008] Preferably, a protective cover is further provided on the frame, and a safety light curtain is provided on one side of the protective cover, which improves the safety of the device during use.

[0009] Preferably, an electrical box is further provided on the lower side of the frame, which can centrally arrange the lines.

[0010] Preferably, the adjustable positioning mechanism includes a support sleeve, the support sleeve is arranged on the lower base plate, an activity cavity is arranged in the support sleeve, an adjusting rod is arranged in the activity cavity, and the adjusting rod is connected with the support sleeve through a longitudinal adjusting component.

[0011] Preferably, a positioning buffer pad is arranged on the adjusting rod, which improves the buffering performance of the adjusting rod.

[0012] Preferably, the longitudinal adjusting component includes a longitudinal lead screw, the longitudinal lead screw is rotatably arranged in the installation groove, the installation groove is arranged on one side inside the support sleeve, a nut is arranged on the longitudinal lead screw, and the nut is connected with the adjusting rod. By rotating the longitudinal lead screw, the longitudinal height of the adjusting rod can be adjusted.

[0013] Preferably, a rotating shaft is arranged on the support sleeve, a driving bevel gear is arranged at one end of the rotating shaft, the driving bevel gear meshes with a driven bevel gear, and the driven bevel gear is arranged on the longitudinal lead screw, which can control the rotation direction of the longitudinal lead screw.

[0014] Preferably, a guiding slider is further arranged on the adjusting rod, the guiding slider is slidably arranged in the guiding chute, and the guiding chute is arranged on the inner wall of the support sleeve, which can guide the movement of the adjusting rod.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] (1) The utility model uses a servo electric cylinder and is configured with a pressure sensor, reduces the displacement ruler, can not only display the pressure and displacement curves, but also accurately set the displacement, improves the riveting accuracy, simplifies the electrical design, and reduces the design cost.

[0017] (2) The utility model can adjust the position of the pressing limit according to the height dimension of the part to meet the pressing riveting requirements of different parts. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0019] Figure 2 is a semi-sectional structural schematic diagram of the adjustable positioning mechanism in the utility model;

[0020] Figure 3 is Figure 2 an enlarged structural schematic diagram at A in

[0021] Figure 4 This is a schematic structural diagram of the adjusting rod in the present utility model;

[0022] In the figure: 1, caster; 2, frame; 3, electrical box; 4, table board; 5, two-hand start button; 6, lower base plate; 7, fixed seat; 8, safety light curtain; 9, guide pillar; 10, guide sleeve; 11, upper pressure plate; 12, electric cylinder fixing plate; 13, pressure sensor; 14, servo electric cylinder; 15, touch operation screen; 16, protective cover; 17, alarm lamp; 18, adjustable positioning mechanism; 181, support sleeve; 182, movable cavity; 183, nut; 184, installation groove; 185, longitudinal lead screw; 186, adjusting rod; 187, positioning buffer pad; 188, guiding chute; 189, guiding slider; 190, rotating shaft; 191, hand wheel; 192, driving bevel gear; 193, driven bevel gear; 194, scale marking. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figure 1 , the present utility model provides a technical solution: a servo press-fitting device with pressure and displacement feedback, including a frame 2, a table board 4 is arranged on the frame 2, a lower base plate 6 is arranged on the table board 4, a fixed seat 7 is arranged on the lower base plate 6, a guide pillar 9 is arranged on the fixed seat 7, an electric cylinder fixing plate 12 is arranged at the end of the guide pillar 9, a servo electric cylinder 14 is arranged on the electric cylinder fixing plate 12, one end of the servo electric cylinder 14 is connected to the upper pressure plate 11, a guide sleeve 10 is arranged on the upper pressure rod, the guide sleeve 10 is movably arranged on the guide pillar 9, a pressure sensor 13 is also arranged on the upper pressure plate 11, the servo electric cylinder 14 is connected to the touch operation screen 15, the servo electric cylinder 14 is also connected to an external servo controller, the servo electric cylinder 14 is used, and the pressure sensor 13 is configured, reducing the displacement scale. It can not only display the pressure and displacement curves, but also accurately set the displacement, improving the riveting accuracy, simplifying the electrical design, and reducing the design cost.

[0025] Furthermore, a protective cover 16 is also arranged on the frame 2, and a safety light curtain 8 is arranged on one side of the protective cover 16, improving the safety of the device during use.

[0026] Furthermore, an electrical box 3 is also arranged on the lower side of the frame 2, which can centrally arrange the lines.

[0027] Specifically, casters 1 are also provided at the bottom of the frame 2. With the provision of the casters 1, it is convenient to move the device. A two-handed start button 5 is also provided on the frame 2, and the two-handed start button 5 can control the operation of the servo electric cylinder 14. An alarm light 17 is also provided on the shield 16, which can give an early warning of faults.

[0028] As a specific embodiment of the present application, please refer to Figures 2 - 4 , on both sides of the lower base plate 6, an adjustable positioning mechanism 18 for adjusting the riveting distance is provided. The adjustable positioning mechanism 18 includes a support sleeve 181. The support sleeve 181 is provided on the lower base plate 6. An activity cavity 182 is provided in the support sleeve 181. An adjusting rod 186 is provided in the activity cavity 182. The adjusting rod 186 is connected to the support sleeve 181 through a longitudinal adjusting component.

[0029] The longitudinal adjusting component includes a longitudinal lead screw 185. The longitudinal lead screw 185 is rotatably provided in the installation groove 184. The installation groove 184 is provided on one side inside the support sleeve 181. A nut 183 is provided on the longitudinal lead screw 185. The nut 183 is connected to the adjusting rod 186. By rotating the longitudinal lead screw 185, the longitudinal height of the adjusting rod 186 can be adjusted.

[0030] A rotating shaft 190 is provided on the support sleeve 181. A driving bevel gear 192 is provided at one end of the rotating shaft 190. The driving bevel gear 192 meshes with a driven bevel gear 193. The driven bevel gear 193 is provided on the longitudinal lead screw 185. A hand wheel 191 is also provided on the rotating shaft 190, which can control the rotation direction of the longitudinal lead screw 185.

[0031] According to the height dimension of the part, the pressing position of the upper pressing plate 11 is positioned. By driving the rotating shaft 190 to rotate through the hand wheel 191, the rotating shaft 190 drives the driving bevel gear 192 to rotate. The driving bevel gear 192 drives the driven bevel gear 193 to rotate. The driven bevel gear 193 drives the longitudinal lead screw 185 to rotate. The nut 183 drives the adjusting rod 186 to move. The adjusting rod 186 drives the positioning buffer pad 187 to move, and the moving height of the adjusting rod 186 is known through the scale marking 194. The position where the upper pressing plate 11 is pressed is positioned through the positioning buffer pad 187.

[0032] Furthermore, a positioning buffer pad 187 is provided on the adjusting rod 186, which improves the buffering performance of the adjusting rod 186.

[0033] Furthermore, a guiding slider 189 is also provided on the adjusting rod 186. The guiding slider 189 is slidably provided in the guiding chute 188. The guiding chute 188 is provided on the inner wall of the support sleeve 181. The adjusting rod 186 drives the guiding slider 189 to move in the guiding chute 188, which can guide the movement of the adjusting rod 186.

[0034] Further, a scale marking line 194 is provided on the adjusting rod 186, which can mark the height position of the adjusting rod 186.

[0035] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A servo press-fitting device with pressure and displacement feedback, characterized in that: The machine comprises a frame (2), a table panel (4) is arranged on the frame (2), a lower base plate (6) is arranged on the table panel (4), a fixing seat (7) is arranged on the lower base plate (6), a guide column (9) is arranged on the fixing seat (7), an electric cylinder fixing plate (12) is arranged at the end of the guide column (9), a servo electric cylinder (14) is arranged on the electric cylinder fixing plate (12), one end of the servo electric cylinder (14) is connected to an upper pressing plate (11), the upper pressing plate is movably arranged on the guide column (9), and a pressure sensor (13) is also arranged on the upper pressing plate (11); Wherein, adjustable positioning mechanisms (18) for adjusting the riveting spacing are arranged on both sides of the lower base plate (6).

2. A servo press-fitting device with pressure and displacement feedback according to claim 1, characterized in that: A protective cover (16) is also provided on the frame (2), and a safety grating (8) is provided on one side of the protective cover (16).

3. The servo press-fitting device with pressure and displacement feedback according to claim 1, characterized in that: An electrical box (3) is also provided on the lower side of the frame (2).

4. The servo press-fitting device with pressure and displacement feedback according to claim 1, characterized in that: The adjustable positioning mechanism (18) comprises a supporting sleeve (181), wherein the supporting sleeve (181) is arranged on the lower base plate (6), wherein an active cavity (182) is arranged in the supporting sleeve (181), wherein an adjusting rod (186) is arranged in the active cavity (182), and wherein the adjusting rod (186) is connected to the supporting sleeve (181) via a longitudinal adjusting component.

5. The servo press-fitting device with pressure and displacement feedback according to claim 4, characterized in that: A positioning buffer pad (187) is provided on the adjusting rod (186).

6. The servo press-fitting device with pressure and displacement feedback according to claim 4, characterized in that: The longitudinal adjustment assembly comprises a longitudinal screw rod (185), the longitudinal screw rod (185) is rotatably arranged in a mounting groove (184), the mounting groove (184) is arranged on one side of the support sleeve (181), a nut (183) is arranged on the longitudinal screw rod (185), and the nut (183) is connected to the adjustment rod (186).

7. The servo press-fitting device with pressure and displacement feedback according to claim 6, characterized in that: A rotating shaft (190) is arranged on the supporting sleeve (181), a driving bevel gear (192) is arranged at one end of the rotating shaft (190), the driving bevel gear (192) is meshed with a driven bevel gear (193), and the driven bevel gear (193) is arranged on the longitudinal screw rod (185).

8. The servo press-fitting device with pressure and displacement feedback according to claim 6, characterized in that: A guide slider (189) is also provided on the adjusting rod (186). The guide slider (189) is slidably provided in a guide slot (188). The guide slot (188) is provided on the inner wall of the supporting sleeve (181).

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