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CN-122013452-A - Double-head collaborative needling processing equipment for preform

CN122013452ACN 122013452 ACN122013452 ACN 122013452ACN-122013452-A

Abstract

The invention discloses a double-head collaborative needling processing device for a preform, and belongs to the field of needling processing. The invention discloses a prefabricated body double-head collaborative needling processing device, which comprises a frame, a rotating crucible prefabricated body, a first needling mechanism, a second needling mechanism, a rotating mechanism for driving the crucible prefabricated body to rotate, and a center locking mechanism propped against the crucible prefabricated body, wherein the center locking mechanism comprises a fixed block, a support piece is arranged at the bottom of the fixed block, a sliding seat is arranged at the bottom of the support piece, two clamping blocks matched with a sliding rail are arranged in the sliding seat, round blocks are connected onto the fixed block in a sliding manner, a conical head is rotatably arranged on the round blocks, and a driving mechanism is arranged in the support piece.

Inventors

  • LI SHUOTONG
  • ZHOU QINGGUO
  • ZHANG LONG

Assignees

  • 江苏江拓力杨新材料科技有限公司

Dates

Publication Date
20260512
Application Date
20260325

Claims (10)

  1. 1. The utility model provides a prefabricated body double-end is acupuncture processing equipment in coordination, includes frame (1), be equipped with rotatory crucible piece prefabricated body (101), first acupuncture mechanism (103) and second acupuncture mechanism (104) on frame (1), its characterized in that still includes: a rotation mechanism (102) for driving the crucible preform (101) to rotate; a tip locking mechanism (2) which is propped against the crucible piece prefabricated body (101); The center locking mechanism (2) comprises a fixed block (201), a supporting piece (6) is arranged at the bottom of the fixed block (201), and a sliding seat (7) is arranged at the bottom of the supporting piece (6); The sliding seat (7) is connected to the sliding rail (701) in a sliding way on the frame (1), and two clamping blocks (702) matched with the sliding rail (701) are arranged in the sliding seat (7); The device is characterized in that a round block (203) is slidably connected to the fixed block (201), a conical head (204) is rotatably arranged on the round block (203), a connecting rod (3) is arranged at one end of the round block (203) arranged in the fixed block (201), and two fixedly connected clamping plates (301) are arranged on the connecting rod (3); the support (6) is internally provided with a driving mechanism, the top of the driving mechanism is connected between the two clamping plates (301), and the bottom of the driving mechanism is matched with the clamping block (702).
  2. 2. The double-head co-needling processing equipment for the prefabricated body according to claim 1, wherein a first baffle (205) and a second baffle (206) are further arranged on the inner wall of the fixed block (201), a first spring (302) and a second spring (303) are respectively connected between the two clamping plates (301) and the first baffle (205) and between the two clamping plates (206), and the first spring (302) and the second spring (303) are respectively sleeved on the outer wall of the connecting rod (3).
  3. 3. The double-head co-needling processing equipment for the prefabricated body according to claim 2, wherein the driving mechanism comprises an L-shaped sliding block (601) which is connected inside a supporting piece (6) in a sliding mode and a clamping plate (304) which is connected between two clamping plates (301), a trapezoid block (305) is arranged at the bottom of the clamping plate (304), inclined planes (306) which are matched with each other are arranged on the trapezoid block (305) and the L-shaped sliding block (601), a supporting rod (602) is connected to the bottom of the L-shaped sliding block (601), and a conical block (605) which is matched with the clamping block (702) is arranged at the bottom of the supporting rod (602).
  4. 4. A preform double-ended co-needling apparatus according to claim 3, characterized in that the support member (6) is fixedly provided with a support plate (603), the support rod (602) is slidably connected to the support plate (603), and a first elastic member (604) is provided between the support plate (603) and the bottom of the L-shaped slider (601).
  5. 5. A preform double-ended co-needling apparatus according to claim 3, wherein two sides of the bottom of the cone block (605) are provided with tapered surfaces, and both of the clamping blocks (702) are provided with inclined sections (703) which are matched with the tapered surfaces, and when the cone block (605) moves downward to press the clamping blocks (702), the clamping blocks (702) move to abut against the slide rails (701).
  6. 6. The preform double-head co-needling processing equipment according to claim 5, wherein a limit rod (705) is fixedly arranged in the sliding seat (7), an L plate (704) is arranged on the outer wall of the clamping block (702), the L plate (704) is slidably connected to the L plate (704), and a second elastic piece (706) is arranged between the L plate (704) and the inner wall of the sliding seat (7).
  7. 7. The prefabricated body double-end co-needling processing equipment according to claim 2, wherein a rotating shaft (4) is rotationally connected to the conical head (204), the rotating shaft (4) is rotationally connected to the first baffle (205) and the second baffle (206), a first limiting block (401) is arranged at one end, far away from the conical head (204), of the rotating shaft (4), a cam (404) is rotationally connected to the fixed block (201), a round hole (405) is formed in the cam (404), and a second limiting block (406) is arranged on the inner wall of the round hole (405).
  8. 8. The preform double-head co-needling processing equipment according to claim 7, wherein a fixing rod (402) is arranged on the inner wall of the fixing block (201), a rotating block (403) is rotatably connected to the fixing rod (402), the rotating block (403) is fixedly connected with a cam (404), and guide wedge-shaped surfaces which are mutually matched are arranged on the first limiting block (401) and the second limiting block (406).
  9. 9. The prefabricated body double-end co-needling processing equipment according to claim 8, wherein three cylinders (5) are fixedly arranged on the top inner wall and the left and right inner walls of the fixed block (201) respectively, communicating pipes (508) and air inlets are connected to the three cylinders (5), a conveying pipe (505) is arranged on the middle cylinder (5), a vertical block (506) is arranged on the fixed block (201), an air nozzle (507) communicated with the conveying pipe (505) is arranged on the vertical block (506), and the air nozzle (507) faces towards the conical head (204).
  10. 10. The preform double-head co-needling processing equipment according to claim 9, wherein each cylinder (5) is slidably connected with a piston (501), a push rod (502) is arranged on each piston (501), one end of each push rod (502) arranged outside each cylinder (5) is provided with a push plate (503) matched with a cam (404), a third spring (504) is arranged between each push plate (503) and the outer wall of each cylinder (5), and each third spring (504) is sleeved on the outer wall of each push rod (502).

Description

Double-head collaborative needling processing equipment for preform Technical Field The invention relates to the technical field of needling processing, in particular to a double-head collaborative needling processing device for a preform. Background In the field of modern industrial manufacturing, composite materials are becoming an essential base material for many high-end industries due to their excellent properties such as high strength, low density, high corrosion resistance, etc. The numerical control needling machine of the prefabricated body is used as key equipment in the manufacturing process of the composite material, and bears the important task of processing the fiber material into the prefabricated body with a specific structure and performance, and the quality of the performance directly influences the quality and the production efficiency of the composite material. The crucible in the needling machine is when rotatory centre gripping, usually all is that one end adopts rotary mechanism drive to rotate, and its other end adopts the conical tip locking mechanism to offset, thereby realize the rotatory acupuncture effect of crucible, this kind of setting can utilize the self-centering characteristic of conical surface, with the accurate constraint of the rotation center of crucible on the coaxial line of biax, appear eccentric swing when avoiding the crucible to rotate, ensure that the needling head can evenly process, and the conical contact surface of conical tip can adapt to the crucible of different bore or wall thickness, the commonality of lifting means to different specification crucibles. However, in the use process of the needling machine in the prior art, after the conical head on the center locking mechanism bears axial force for a long time, the conditions of fatigue deformation, screw loosening and the like can occur, so that the effective stroke of the telescopic rod is shortened, the conical head is retracted backwards, the coaxial centering of the double shaft is invalid, eccentric swinging occurs when the crucible rotates, the processing track of the needling head is further deviated, uneven needling density of the crucible preform and local fiber layer damage are caused, the thickness uniformity of the preform is simultaneously damaged, even the defects of local over-needling or under-needling occur, and the service life is shortened. Disclosure of Invention The invention aims to solve the problems in the prior art and provides a double-head collaborative needling processing device for a preform. In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a prefabricated body double-end is acupuncture processing equipment in coordination, includes the frame, be equipped with rotatory crucible piece prefabricated body, first acupuncture mechanism and second acupuncture mechanism in the frame, still include: A rotating mechanism for driving the crucible preform to rotate; A center locking mechanism which is propped against the prefabricated body of the crucible part; the center locking mechanism comprises a fixed block, a supporting piece is arranged at the bottom of the fixed block, and a sliding seat is arranged at the bottom of the supporting piece; The sliding seat is connected to the sliding rail in a sliding way, and two clamping blocks matched with the sliding rail are arranged in the sliding seat; the fixed block is connected with a round block in a sliding manner, a conical head is rotatably arranged on the round block, a connecting rod is arranged at one end of the round block, which is arranged in the fixed block, and two clamping plates which are fixedly connected are arranged on the connecting rod; the support piece is internally provided with a driving mechanism, the top of the driving mechanism is connected between the two clamping plates, and the bottom of the driving mechanism is matched with the clamping block. Preferably, the inner wall of the fixed block is also provided with a first baffle and a second baffle, a first spring and a second spring are respectively connected between the clamping plates and the first baffle and between the clamping plates and the second baffle, and the first spring and the second spring are respectively sleeved on the outer wall of the connecting rod. Further, actuating mechanism includes sliding connection at the inside L type slider of support piece and connects two grip block between the splint, the bottom of grip block is equipped with trapezoidal piece, all be equipped with the inclined plane of mutually supporting on trapezoidal piece and the L type slider, the bottom of L type slider is connected with the bracing piece, the bottom of bracing piece is provided with and presss from both sides tight piece matched with awl piece. Further, the support piece internal fixation is provided with the backup pad, bracing piece sliding connection is in the backup pad,