Search

CN-224203386-U - Full-automatic type needle bed that trades

CN224203386UCN 224203386 UCN224203386 UCN 224203386UCN-224203386-U

Abstract

The utility model discloses a full-automatic mold-changing needle bed, which comprises a bottom bracket, a top bracket, a lifting bracket, a probe negative pressure module and a mold-changing moving part, wherein the lifting bracket is slidably arranged between the bottom bracket and the top bracket, limiting racks are fixedly arranged on two sides of the top bracket, the probe negative pressure module is slidably arranged below the top bracket, limiting tooth blocks which are meshed with the limiting racks and can elastically reset are arranged at two ends of the probe negative pressure module, top connection gaps corresponding to the limiting tooth blocks are formed at two ends of the probe negative pressure module, the mold-changing moving part is slidably arranged on two sides of the top bracket, which are close to the top connection gaps, and the mold-changing moving part triggers the separation of the limiting tooth blocks and the limiting racks through the top connection gaps, and enables the probe negative pressure module to be in clamping connection with the mold-changing moving part. According to the utility model, the limiting rack and the limiting tooth block capable of elastically resetting are introduced, and the setting of the propping notch and the use of the mold changing moving piece are matched, so that the mold changing efficiency is improved, and meanwhile, the requirement of rapid switching of multiple specifications of battery cells is met.

Inventors

  • WU CHUNJIAN
  • LI MING
  • LI HONGZHAO
  • XIE FENG
  • CHEN RUDING

Assignees

  • 深圳市极测科技有限公司

Dates

Publication Date
20260505
Application Date
20250414

Claims (10)

  1. 1. A fully automatic replacement needle bed, comprising: a bottom bracket (10); The top bracket (20) is arranged on the bottom bracket (10) through a vertical post rod (21) and is arranged in parallel with the bottom bracket (10); The lifting support (30) is slidably sleeved on the vertical post (21), a lifting driving piece (22) for driving the lifting support (30) to axially move along the vertical post (21) is arranged on the top support (20), and a battery cell tray (31) is arranged on the lifting support (30); The probe negative pressure modules (40) are arranged in parallel, the probe negative pressure modules (40) are arranged below the top support (20) in a sliding mode, limiting racks (23) are fixedly arranged on two sides of the top support (20), the probe negative pressure modules (40) are arranged between the two limiting racks (23) and are vertically arranged with the limiting racks (23), limiting tooth blocks (41) which are meshed with the limiting racks (23) and capable of elastically resetting are arranged at two ends of the probe negative pressure modules (40), and propping notches (451) corresponding to the limiting tooth blocks (41) are formed at two ends of the probe negative pressure modules (40); The device comprises a top support (20), a mold changing moving part (50), a mold changing driving assembly (60) and a probe negative pressure module (40), wherein the mold changing moving part (50) is arranged on the top support (20) and is close to two sides of a top connection notch (451), the mold changing driving assembly (60) is arranged on the top support (20) and drives the mold changing moving part (50) to reciprocate along the axial direction of a limiting rack (23), the mold changing moving part (50) triggers the separation of the limiting tooth block (41) and the limiting rack (23) through the top connection notch (451), and the probe negative pressure module (40) is connected with the mold changing moving part (50) in a clamping mode.
  2. 2. The fully automatic mold changing needle bed according to claim 1, wherein the top support (20) is provided with first linear guide rails (24) at two symmetrical ends, the probe negative pressure module (40) comprises a positive probe integrated part (42), a negative pressure integrated part (43) and a negative probe integrated part (44) which are sequentially arranged, the positive probe integrated part (42), the negative pressure integrated part (43) and the negative probe integrated part (44) are arranged in parallel, and are respectively and slidably mounted on the first linear guide rails (24) through mounting laths (45), the mounting laths (45) are arranged orthogonal to the first linear guide rails (24), the top connection notch (451) is formed at two ends, close to the limiting rack (23), of the mounting laths (45) and the first linear guide rails (24) are arranged in parallel, the limiting rack (23) is arranged between the first linear guide rails (24) and the limiting rack (23), the top support (20) is also provided with second linear guide rails (25) which are arranged in parallel to the second linear guide rails (25) in a reciprocating manner, the top support (20) is provided with second linear guide rails (25) which can move in a reciprocating manner along the first linear guide rails (25), the mold changing driving components (60) are arranged on two sides of the top support (20) close to the limiting racks (23).
  3. 3. The full-automatic mold changing needle bed according to claim 2, wherein a fixed block (46) is further arranged between the limiting rack (23) and the first linear guide rail (24), the fixed block (46) is mounted on one side, close to the top support (20), of the mounting slat (45), limiting guide holes (461) which are arranged in parallel with the mounting slat (45) are formed in the fixed block (46), a guide shaft (411) is arranged at one end, far away from the limiting rack (23), of the limiting tooth block (41) in a protruding mode, the guide shaft (411) is movably arranged on the limiting guide holes (461) in a penetrating mode, an elastic piece (47) is sleeved on the guide shaft (411), one end of the elastic piece (47) is connected with the fixed block (46), and the other end of the elastic piece (47) is connected with the limiting tooth block (41).
  4. 4. The fully automatic mold changing needle bed according to claim 2, wherein the mold changing driving assembly (60) comprises a mold changing driving piece (61), a driving belt gear (62) and a driven belt gear (63), the driving belt gear (62) and the driven belt gear (63) are rotatably arranged at two symmetrical ends of one side of the top support (20) close to the top connection gap (451), and are in transmission connection through a synchronous belt (64), the synchronous belt (64) is in parallel arrangement with the second linear guide rail (25), the mold changing moving piece (50) is fixedly connected with one side of the synchronous belt (64) and synchronously moves along with the synchronous belt (64), the mold changing driving piece (61) is fixedly arranged at the side part of the top support (20), the driving end of the mold changing driving piece (61) is connected with the driving belt gear (62) through a transmission connecting shaft (65), one side of the limiting gear block (41) close to the mounting plate (45) is convexly provided with a poking lug (412), and the poking lug (412) is arranged on one side of the driving gear block (41) close to the mounting plate (45) and can move along the top connection gap (451) in the vertical direction.
  5. 5. The fully automatic mold changing needle bed according to claim 4, wherein the mold changing moving member (50) comprises a supporting plate (51), a telescopic cylinder (52), a third linear guide rail (53) and a sliding plate (54), the supporting plate (51) is installed on the lower side of the synchronous belt (64) through a clamping connecting member (70), two third linear guide rails (53) are fixedly arranged at two symmetrical ends of one side of the supporting plate (51) far away from the synchronous belt (64) in parallel and are vertically arranged with the second linear guide rail (25), the telescopic cylinder (52) is arranged between the two third linear guide rails (53) and is installed on the supporting plate (51), one end of the sliding plate (54) far away from the limiting tooth block (41) is connected with a transmission end of the telescopic cylinder (52), the other end of the sliding plate (54) is fixedly provided with a top connection block (542) which is matched with the top connection notch (451), the top connection block (542) is used for connecting the top connection notch (451) through the sliding block (541) in a sliding manner, and one side of the sliding plate (54) far away from the butting block (542) is also provided with an avoidance gap (543) corresponding to the telescopic cylinder (52).
  6. 6. The fully automatic mold changing needle bed according to claim 1, wherein the lifting driving member (22) is mounted on one side of the top support (20) far away from the battery cell tray (31), a reversing assembly (80) is further arranged on the top support (20), the reversing assembly (80) comprises a primary reversing box body (81), a secondary reversing box body (82), a transmission shaft (83) and a transmission lifting screw (84), the primary reversing box body (81) is fixedly arranged beside the lifting driving member (22) and is positioned in the middle of the top support (20), the secondary reversing box body (82) is arranged at two symmetrical ends of the primary reversing box body (81) and is fixedly arranged on the top support (20), one side of the primary reversing box body (81) close to the secondary reversing box body (82) is rotatably provided with a primary reversing bevel gear, one side of the secondary reversing box body (82) close to the primary reversing box body (81) is rotatably provided with a secondary bevel gear, the transmission shaft (83) is fixedly arranged at the middle of the top support (20), the secondary reversing box body (82) is connected with the secondary reversing bevel gear (81) through one end of the secondary reversing box body (81), the transmission end of lift driving piece (22) extends to in one-level switching-over box (81), and pass through drive bevel gear with one-level switching-over bevel gear meshing is connected, still rotate in second grade switching-over box (82) and install tertiary switching-over bevel gear, tertiary switching-over bevel gear is perpendicular arrangement and meshing connection with second grade switching-over bevel gear, drive lifting screw (84) set up between top support (20) and bottom support (10), the one end rotation of drive lifting screw (84) is installed on bottom support (10), the other end passes in proper order top support (20) and second grade switching-over box (82), and with tertiary switching-over bevel gear is connected, drive lifting screw (84) with transmission shaft (83) are perpendicular setting, lifting support (30) with drive lifting screw (84) spiro union.
  7. 7. The fully automatic mold changing needle bed according to claim 6, wherein a guide post rod (13) is further arranged between the top support (20) and the bottom support (10), one end of the guide post rod (13) is fixedly connected with the bottom support (10), the other end of the guide post rod passes through the lifting support (30) and is fixedly connected with the top support (20), and the guide post rod (13) is arranged on two symmetrical sides of the transmission lifting screw (84).
  8. 8. The full-automatic mold changing needle bed according to claim 1, wherein mounting columns (11) are convexly arranged on two sides of the bottom support (10), tray initial positioning wedges (111) are fixedly arranged on the mounting columns (11), a plurality of tray initial support columns (12) which are arranged at equal intervals are convexly arranged in the middle of the bottom support (10), first hollowed-out grooves (32) corresponding to the tray initial positioning wedges (111) and second hollowed-out grooves (34) corresponding to the tray initial support columns (12) are formed in the lifting support (30), and tray limiting wedges (34) are further arranged at two symmetrical ends of one side, close to the top support (20), of the lifting support (30).
  9. 9. The fully automatic mold changing needle bed according to claim 1, wherein the top bracket (20) is further provided with a heat dissipation assembly (90) corresponding to the probe negative pressure module (40).
  10. 10. The full-automatic mold changing needle bed according to claim 1, wherein the limiting tooth block (41) is T-shaped.

Description

Full-automatic type needle bed that trades Technical Field The utility model relates to the technical field of new energy lithium battery production, in particular to a full-automatic mold-changing needle bed. Background Along with the rapid development of new energy automobiles and energy storage industry, the model and specification of lithium ion batteries show diversified development trend, and the square shell lithium batteries have significant differences in parameters such as size, pole spacing, height and the like, so that higher requirements are put forward on the compatibility of test equipment. The traditional test equipment adopts fixed probe assembly and negative pressure assembly layout, and the row spacing, the probe and negative pressure assembly spacing and the lifting height of the traditional test equipment are all matched through manual disassembly and assembly positioning blocks or manual adjusting mechanisms, and particularly when the battery cell is in a mold change, a large amount of time is consumed for repositioning, so that the production efficiency is low. In addition, the existing equipment is difficult to automatically adjust the cooperative relation between the probe array and negative pressure adsorption according to the size change of the battery cell due to structural limitation, and poor contact or mechanical interference is easy to cause, so that the testing precision and the equipment stability are affected. The defects make the traditional equipment difficult to adapt to the requirements of quick switching of multiple specifications of battery cells, seriously restrict the efficiency improvement and cost optimization of a test link, and influence the flexibility and the production efficiency of a production line. Disclosure of utility model In view of the above, the present utility model aims at overcoming the drawbacks of the prior art, and its main objective is to provide a fully automatic mold-changing needle bed, which solves the technical problems that the mold-changing efficiency of the traditional testing equipment is low, the requirement of rapid switching of multiple specification battery cells is difficult to meet, and the testing precision and the equipment stability are affected. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The utility model relates to a full-automatic mold-changing needle bed, which comprises: a bottom bracket; the top bracket is arranged on the bottom bracket through a vertical post rod and is arranged in parallel with the bottom bracket; the lifting support is slidably sleeved on the vertical post, a lifting driving piece for driving the lifting support to axially move along the vertical post is arranged on the top support, and a battery cell tray is arranged on the lifting support; The probe negative pressure modules are arranged in parallel, the probe negative pressure modules are arranged below the top support in a sliding manner, limiting racks are fixedly arranged on two sides of the top support, the probe negative pressure modules are arranged between the two limiting racks and are vertically arranged with the limiting racks, limiting tooth blocks which are meshed with the limiting racks and can elastically reset are arranged at two ends of the probe negative pressure modules, and propping notches corresponding to the limiting tooth blocks are formed at two ends of the probe negative pressure modules; The device comprises a top support, a limiting rack, a mold changing moving piece, a probe negative pressure module and a mold changing moving piece, wherein the mold changing moving piece is arranged on the top support in a sliding mode, the top support is close to two sides of the top connection notch, the mold changing driving assembly is further arranged on the top support and used for driving the mold changing moving piece to reciprocate along the axial direction of the limiting rack, the mold changing moving piece triggers the separation of the limiting tooth block and the limiting rack through the top connection notch, and the probe negative pressure module is connected with the mold changing moving piece in a clamping mode. As a preferred scheme, the symmetrical both ends of top support have set firmly first linear guide rail, probe negative pressure module is including positive pole probe integrated piece, negative pressure integrated piece and the negative pole probe integrated piece that sets gradually, positive pole probe integrated piece, negative pressure integrated piece and negative pole probe integrated piece are parallel arrangement to all be in through installation slat slidable mounting on the first linear guide rail, installation slat is orthogonal arrangement with first linear guide rail, the top is connected the breach and is seted up the installation slat is close to the both ends of spacing rack, spacing rack is parallel arrangement with first linear gu