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CN-121994025-A - Multi-station precision lamination piezoresistor sintering device

CN121994025ACN 121994025 ACN121994025 ACN 121994025ACN-121994025-A

Abstract

The invention discloses a multi-station precision lamination varistor sintering device, which relates to the field of varistor sintering equipment and comprises a device shell and a plurality of mounting frames arranged on the inner side of the device shell, wherein the top of the mounting frames is provided with a mounting plate, the surface of the mounting plate is provided with a plurality of moulds distributed in a rectangular array, the bottoms of the moulds are slidably provided with push plates, the device also comprises a demoulding mechanism, a demoulding mechanism and a demoulding mechanism, the demoulding mechanism is arranged at the bottoms of the push plates, the demoulding mechanism comprises a push rod arranged at the bottoms of the push plates, and after the varistor sintering is completed, the push rod can push the push plates to move along the inner side of the moulds, and the push plates are in a rotary state to push the finished products, so that rotary thrust is provided for the finished products to be pushed out of the moulds, the convenience of finished product taking is improved, and workers can take materials quickly.

Inventors

  • JIANG LEI
  • ZHANG MIAO
  • GUO AIRONG

Assignees

  • 宿迁志勤科技有限公司

Dates

Publication Date
20260508
Application Date
20260409

Claims (10)

  1. 1. The multi-station precision lamination piezoresistor sintering device is characterized by comprising a device shell (1) and a plurality of mounting frames (2) arranged on the inner side of the device shell (1), wherein the top of each mounting frame (2) is provided with a mounting plate (3), the surface of each mounting plate (3) is provided with a plurality of dies (4) distributed in a rectangular array, and the bottoms of the dies (4) are slidably provided with pushing discs (5); Further comprises: The demolding mechanism is used for demolding a finished product in the mold (4), is arranged at the bottom of the pushing disc (5), and comprises a push rod (6) arranged at the bottom of the pushing disc (5), and the push rod (6) can enable the pushing disc (5) to move upwards in a rotating manner in the mold (4); The butt joint mechanism is used for synchronously demolding the finished products on the mounting plates (3), the butt joint mechanism is mounted on the inner sides of the mounting plates (3), the butt joint mechanism comprises a rotating rod (7) rotatably mounted on the inner sides of the mounting plates (3), and the rotating rod (7) can improve the demolding efficiency of the finished products; the positioning mechanism is used for carrying out auxiliary positioning on the electrode in the die (4), the positioning mechanism is arranged on the inner side of the pushing disc (5), the positioning mechanism comprises four clamping wheels (8) which are symmetrically arranged on the inner side of the pushing disc (5) in a rotating mode, and the four clamping wheels (8) can be propped against the outer side of the electrode.
  2. 2. The multi-station precision lamination varistor sintering device according to claim 1, wherein the demolding mechanism further comprises a lantern ring (9) sleeved on the outer side of the push rod (6), four supporting rods (10) which are distributed in a central symmetry manner are arranged between the top of the lantern ring (9) and the bottom of the mounting plate (3), two spiral strips (11) are fixedly arranged on the inner side of the lantern ring (9), spiral grooves for limiting sliding of the spiral strips (11) are formed in the outer side of the push rod (6), a mounting block (12) is rotatably arranged at one end, far away from the push plate (5), of the push rod (6), four rectangular-array sliding rods (13) are arranged at the bottom of the mounting plate (3), a mounting frame (14) is arranged between the four sliding rods (13), a sliding plate (15) is slidably arranged between the two adjacent sliding rods (13), a plurality of supporting strips (16) are arranged between the two sliding plates (15), and the bottom of the mounting block (6) is contacted with the top of the two adjacent supporting strips (16).
  3. 3. The multi-station precision lamination piezoresistor sintering device according to claim 2, wherein the butt joint mechanism further comprises two fixing plates (17) arranged between the two sliding plates (15), a moving block (18) is arranged between the two fixing plates (17), external threads are arranged on the outer sides of the rotating rods (7), the moving block (18) is assembled on the external threads of the rotating rods (7) in a threaded manner, the bottom ends of the rotating rods (7) are rotatably arranged on the inner sides of the mounting frames (14), U-shaped sockets (19) are fixedly arranged at the top ends of the rotating rods (7), inserting blocks (20) are fixedly arranged at the bottom ends of the rotating rods (7), a driving motor (21) is arranged at the bottom of the inner sides of the device shell (1), a transmission socket (22) is fixedly arranged at the output ends of the driving motor (21), and the transmission socket (22) is in a U-shaped structure.
  4. 4. The multi-station precision lamination piezoresistor sintering device according to claim 3, wherein the positioning mechanism further comprises two ratchet wheels (23) fixedly installed at two ends of the clamping wheel (8), a support plate (24) is arranged on the outer side of the clamping wheel (8), mounting rods (25) are slidably installed at two ends of the support plate (24), clamping teeth (26) matched with the ratchet wheels (23) are fixedly installed at one end of the mounting rods (25) away from the support plate (24), a spring (27) is installed between the clamping teeth (26) and the support plate (24), a movable plate (28) is installed between the two support plates (24), a supporting block (29) is installed at one side of the movable plate (28), a sliding cavity for limiting sliding of the supporting block (29) is formed in the inner side of the pushing plate (5), and two tension springs (30) are installed between the movable plate (28) and the inner side of the pushing plate (5).
  5. 5. The multi-station precision lamination piezoresistor sintering device of claim 1, wherein two sliding strips (31) are arranged at the bottom of the mounting plate (3), and a sliding groove for limiting sliding of the sliding strips (31) is formed in the top of the mounting frame (2).
  6. 6. A multi-station precision lamination varistor sintering device as defined in claim 2, wherein four limiting blocks (32) are mounted at the bottom of the mounting block (12), and the limiting blocks (32) are in contact with the outer sides of adjacent supporting strips (16).
  7. 7. A multi-station precision lamination piezoresistor sintering device as defined in claim 3 is characterized in that two limiting rings (33) are arranged on the outer side of the rotating rod (7), and the two limiting rings (33) are respectively contacted with the top of the mounting plate (3) and the bottom of the mounting frame (14).
  8. 8. The multi-station precision lamination varistor sintering device of claim 3, wherein the anti-slip sleeve (34) is arranged on the outer side of the rotating rod (7), and the surface of the anti-slip sleeve (34) is of an annular concave structure.
  9. 9. The multi-station precision lamination varistor sintering device of claim 4, wherein the outer side of the mounting rod (25) is sleeved with a supporting cylinder (35), and the supporting cylinder (35) is mounted on the outer side of the support plate (24).
  10. 10. The multi-station precision lamination varistor sintering device of claim 4, wherein the push plate (5) is of a T-shaped structure, a baffle ring (36) is sleeved at the bottom of the push plate (5), the top of the baffle ring (36) is of a circular arc-shaped structure, and the baffle ring (36) is arranged at the bottom of the die (4).

Description

Multi-station precision lamination piezoresistor sintering device Technical Field The invention relates to the field of varistor sintering equipment, in particular to a multi-station precision lamination varistor sintering device. Background The varistor is a voltage limiting element which is sensitive to voltage changes, and when the voltage exceeds a certain critical value at a predetermined temperature, the resistance thereof is drastically reduced, the current passing through it is drastically increased, and the voltage and the current do not have a linear relationship. The high-temperature sintering is a key step in the preparation process of the piezoresistor, in the process, ceramic materials and electrodes are required to be put into a high-temperature furnace together for sintering, powder is directly put into a graphite mold and put into a furnace chamber for sintering, graphite paper is placed in the cavity of the graphite mold by the existing sintering device, after the sintering is finished, the piezoresistor is prevented from being stuck in the graphite mold, but a worker is required to take the piezoresistor out of the graphite mold in sequence, the piezoresistor is easy to break, and the processing quality is affected. Disclosure of Invention The invention aims to provide a multi-station precision lamination piezoresistor sintering device, which aims to solve the problems in the background technology. In order to achieve the above purpose, the present invention provides the following technical solutions: The multi-station precision lamination piezoresistor sintering device comprises a device shell, a plurality of mounting frames fixedly mounted on the inner side of the device shell at equal intervals, a mounting plate arranged on the top of the mounting frame, a plurality of molds distributed in a rectangular array fixedly mounted on the surface of the mounting plate, a push plate slidably mounted on the bottom of the molds, a demolding mechanism used for demolding finished products in the molds, a positioning mechanism mounted on the bottom of the push plate and comprising push rods fixedly mounted on the bottom of the push plate, wherein the push rods can enable the push plate to move upwards in the molds in a rotating manner, a butting mechanism used for synchronously demolding the finished products on the mounting plate, the butting mechanism is mounted on the inner side of the mounting plate and comprises a rotating rod rotatably mounted on the inner side of the mounting plate, the rotating rod can improve demolding efficiency of the finished products, and the positioning mechanism is used for performing auxiliary positioning on electrodes in the molds and mounted on the inner side of the push plate and comprises four clamping wheels which are symmetrically mounted on the inner sides of the push plate and four clamping wheels which can be abutted against the outer sides of the electrodes. Preferably, the demoulding mechanism further comprises a lantern ring sleeved on the outer side of the push rod, four supporting rods which are distributed in a central symmetry mode are fixedly installed between the top of the lantern ring and the bottom of the mounting plate, two spiral strips which are distributed in a central symmetry mode are fixedly installed on the inner side of the lantern ring, spiral grooves which are used for limiting and sliding of the spiral strips are formed in the outer side of the push rod, the push rod is far away from one end of the push plate, a mounting block is rotatably installed at one end of the mounting plate, four rectangular array sliding rods are fixedly installed at the bottom of the mounting plate, a mounting frame is fixedly installed between the four sliding rods, sliding plates are slidably installed between the two adjacent sliding rods, a plurality of supporting strips are fixedly installed between the two sliding plates, and the bottom of the mounting block is in contact with the tops of the two adjacent supporting strips. Preferably, the butt joint mechanism comprises two fixing plates which are symmetrically and fixedly arranged between the two sliding plates, a movable block is fixedly arranged between the two fixing plates, an external thread is arranged on the outer side of the rotating rod, the movable block is assembled on the external thread of the rotating rod, the bottom end of the rotating rod is rotatably arranged on the inner side of the mounting frame, a U-shaped socket is fixedly arranged on the top end of the rotating rod, the opening of the U-shaped socket faces the inner side of the mounting frame, an inserting block is fixedly arranged at the bottom end of the rotating rod, a driving motor is fixedly arranged at the bottom of the inner side of the device shell, a transmission socket is fixedly arranged at the output end of the driving motor, and the transmission socket is of a U-shaped structure. Preferably, the positioning mechani