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CN-224224570-U - Hot riveting die and hot riveting device

CN224224570UCN 224224570 UCN224224570 UCN 224224570UCN-224224570-U

Abstract

The utility model discloses a hot riveting die and a hot riveting device, which belong to the technical field of machining, wherein the hot riveting die comprises a support, a riveting module and a temperature control module, a bearing carrier for placing a component to be riveted is arranged on the support, the riveting module is arranged on the support in a sliding manner, the riveting module comprises a die holder, a heating piece and a riveting head, the heating piece is used for heating the die holder, the temperature control module is arranged on the die holder and comprises a temperature simulation piece, a first temperature measurement piece and a cooling structure, the temperature simulation piece is connected with the die holder, the first temperature measurement piece is used for detecting the temperature of the temperature simulation piece, and the cooling structure is used for reducing the temperature of the temperature simulation piece. According to the hot riveting die provided by the utility model, the temperature of the temperature-simulating piece is reduced by controlling the cooling structure so as to simulate the heat loss of the component to be riveted by punching and riveting of the rivet head, so that the temperature of the temperature-simulating piece and the rivet head are equal or similar, the temperature of the rivet head can be accurately controlled, the temperature fluctuation range of the rivet head is reduced, the hot riveting quality is ensured, and the production efficiency is improved.

Inventors

  • ZHAI HUAJI
  • ZHOU HAIQIANG
  • ZHANG LONG
  • WANG XIANGHUI

Assignees

  • 浙江正泰电器股份有限公司

Dates

Publication Date
20260512
Application Date
20250421

Claims (12)

  1. 1. A hot riveting die, comprising: The riveting device comprises a bracket (100), wherein a bearing carrier (110) is arranged on the bracket (100), and the bearing carrier (110) is used for placing a component (10) to be riveted; The riveting module (200) is arranged on the bracket (100) in a sliding manner along a first direction and is opposite to the bearing carrier (110) along the first direction, the riveting module (200) comprises a die holder (210), a heating piece (220) and a rivet (230), the rivet (230) is arranged on one side, facing the bearing carrier (110), of the die holder (210) along the first direction, and the heating piece (220) is used for heating the die holder (210); The temperature control module (300) is arranged on the die holder (210), the temperature control module (300) comprises a temperature simulation piece (310), a first temperature measurement piece (320) and a cooling structure (330), the temperature simulation piece (310) is connected with the die holder (210), the first temperature measurement piece (320) is used for detecting the temperature of the temperature simulation piece (310), and the cooling structure (330) is used for reducing the temperature of the temperature simulation piece (310).
  2. 2. The hot riveting die according to claim 1, characterized in that a mounting hole (211) is provided on the peripheral side of the die holder (210), the temperature-simulating member (310) is inserted into the mounting hole (211), and the depth of the temperature-simulating member (310) inserted into the mounting hole (211) is adjustable.
  3. 3. The hot riveting die according to claim 2, characterized in that the temperature-simulating member (310) is in threaded connection with the mounting hole (211), the temperature control module (300) further comprises a first screw sleeve member, the first screw sleeve member is sleeved on the temperature-simulating member (310) and in threaded connection with the temperature-simulating member (310), and the first screw sleeve member abuts against the peripheral side of the die holder (210).
  4. 4. The hot riveting die according to claim 1, wherein the temperature-simulating member (310) is provided with a heat dissipation hole, and the cooling structure (330) comprises: a heat insulation joint (331), wherein a first end of the heat insulation joint (331) is communicated with the heat dissipation hole; A connecting pipe (332), wherein a first end of the connecting pipe (332) is communicated with a second end of the heat insulation joint (331); A throttle valve (333) is provided in communication with the second end of the connecting pipe (332).
  5. 5. The hot riveting die of claim 1, wherein the heating element (220) is disposed along the first direction on a side of the die holder (210) facing away from the carrier (110), the riveting module (200) further comprising: the heat insulation plate (260) is arranged on one side of the heating piece (220) away from the die holder (210) along the first direction; A first insulation assembly disposed between the insulation panel (260) and the heating element (220), the first insulation assembly comprising a plurality of first insulation elements (281); A heat radiation plate (270) arranged on one side of the heat insulation plate (260) away from the heating element (220) along the first direction, wherein the heat radiation plate (270) is connected with the bracket (100) in a sliding way along the first direction; And a second heat insulating assembly disposed between the heat insulating plate (260) and the heat radiating plate (270), the second heat insulating assembly including a plurality of second heat insulating members (282).
  6. 6. The rivet hot die according to claim 5, characterized in that a projection of the heat shield (260) in the first direction is located in the heat shield (270), and/or a groove (2601) is provided on a peripheral side of the heat shield (260).
  7. 7. The rivet hot die of claim 5, characterized in that said heat shield (260) is provided with one, a plurality of said first heat shields (281) being disposed at intervals along the circumferential direction of said rivet module (200), a plurality of said second heat shields (282) being disposed at intervals along the circumferential direction of said rivet module (200), and a plurality of said first heat shields (281) and a plurality of said second heat shields (282) alternating with each other along the circumferential direction of said rivet module (200).
  8. 8. The rivet hot die of claim 5, characterized in that at least two heat shields (260) are provided, a third heat shield assembly is provided between two adjacent heat shields (260), the third heat shield assembly comprises a plurality of third heat shields (283), the first heat shield assembly is provided between the heat shield (260) adjacent to the heating member (220) and the heating member (220), and the second heat shield assembly is provided between the heat shield (260) adjacent to the heat shield (270) and the heat shield (270).
  9. 9. The hot riveting die of claim 8, wherein a plurality of the first heat insulators (281) are disposed at intervals along the circumferential direction of the riveting module (200), a plurality of the second heat insulators (282) are disposed at intervals along the circumferential direction of the riveting module (200), and the third heat insulators (283) of the same group are disposed at intervals along the circumferential direction of the riveting module (200); -a set of said third insulation elements (283) and a plurality of said first insulation elements (281) adjacent to said first insulation assembly alternate with each other along the circumference of said riveting module (200); -a set of said third insulation elements (283) and a plurality of said second insulation elements (282) adjacent to said second insulation assembly alternate with each other along the circumference of said riveting module (200); every two adjacent sets of the third heat insulators (283) alternate with each other in the circumferential direction of the caulking module (200).
  10. 10. The hot riveting die according to any one of claims 1-9, characterized in that the heating element (220) is connected with a second temperature measuring element (240), the second temperature measuring element (240) being adapted to detect the temperature of the heating element (220).
  11. 11. The hot riveting die of any one of claims 1-9, further comprising: a pre-pressing piece (410) connected with the riveting module (200), wherein the pre-pressing piece (410) is arranged between the die holder (210) and the bearing carrier (110); and an elastic member (420) disposed between the caulking module (200) and the pre-pressing member (410), the elastic member (420) causing the pre-pressing member (410) to have a tendency to move away from the caulking module (200).
  12. 12. A hot riveting device, characterized by comprising a driving member (600) and a hot riveting die according to any one of claims 1-11, wherein the driving member (600) is arranged on a bracket (100) of the hot riveting die and is connected with a riveting module (200) of the hot riveting die, and the driving member (600) is used for driving the riveting module (200) to slide along the first direction.

Description

Hot riveting die and hot riveting device Technical Field The utility model relates to the technical field of machining, in particular to a hot riveting die and a hot riveting device. Background In plastic products (e.g. circuit breakers) it is common to rivet together two parts with a hot rivet die. The hot riveting die comprises a die holder, a rivet head and a heating piece, wherein the rivet head and the heating piece are connected with the die holder, and the rivet head is easy to wear in the use process, so that materials for manufacturing the rivet head are hard, such as white steel, the heat conductivity coefficient of the rivet head is greatly different from that of the die holder and the heating piece, and the actual temperature of the rivet head is greatly different from that of the heating piece and the die holder in the use process of the hot riveting die. In the related art, the hot riveting die only detects the temperature of a heating element for heating the die, so that the temperature of the rivet cannot be accurately controlled, and the rivet has larger temperature fluctuation. And for plastic products with smaller thermoforming temperature range, the larger temperature fluctuation of the rivet head can influence the quality and the production efficiency of hot riveting. Disclosure of utility model The utility model aims to provide a hot riveting die which can accurately control the temperature of a rivet head and reduce the temperature fluctuation range of the rivet head. To achieve the purpose, the utility model adopts the following technical scheme: There is provided a hot riveting die comprising: the support is provided with a bearing carrier, and the bearing carrier is used for placing the component to be riveted; The riveting module is arranged on the support in a sliding manner along a first direction and is opposite to the bearing carrier along the first direction, the riveting module comprises a die holder, a heating piece and a rivet, the rivet is arranged on one side, facing the bearing carrier, of the die holder along the first direction, and the heating piece is used for heating the die holder; The temperature control module is arranged on the die holder and comprises a temperature simulation piece, a first temperature measurement piece and a cooling structure, wherein the temperature simulation piece is connected with the die holder, the first temperature measurement piece is used for detecting the temperature of the temperature simulation piece, and the cooling structure is used for reducing the temperature of the temperature simulation piece. Optionally, a mounting hole is formed in the peripheral side of the die holder, the temperature simulation piece is inserted into the mounting hole, and the depth of the temperature simulation piece inserted into the mounting hole is adjustable. Optionally, the temperature simulation piece with mounting hole threaded connection, the temperature control module still includes first spiral shell external member, first spiral shell external member cover is located on the temperature simulation piece and with temperature simulation piece threaded connection, just first spiral shell external member with the week side of die holder offsets. Optionally, be equipped with the louvre on the warm piece of fitting, the cooling structure includes: The first end of the heat insulation joint is communicated with the heat dissipation hole; the first end of the connecting pipe is communicated with the second end of the heat insulation joint; and the throttle valve is communicated with the second end of the connecting pipe. Optionally, the heating element is disposed on a side of the die holder away from the carrier along the first direction, and the riveting module further includes: the heat insulation plate is arranged on one side of the heating piece, which is away from the die holder, along the first direction; The first heat insulation assembly is arranged between the heat insulation plate and the heating piece and comprises a plurality of first heat insulation pieces; The heat dissipation plate is arranged on one side, away from the heating piece, of the heat insulation plate along the first direction, and is in sliding connection with the bracket along the first direction; The second heat insulation assembly is arranged between the heat insulation plate and the heat radiation plate and comprises a plurality of second heat insulation pieces. Optionally, the projection of the heat insulation plate along the first direction is positioned in the heat dissipation plate, and/or the periphery of the heat insulation plate is provided with a groove. Optionally, the heat insulation plate is provided with one, a plurality of first heat insulation pieces are arranged at intervals along the circumferential direction of the riveting module, a plurality of second heat insulation pieces are arranged at intervals along the circumferential direction of the riveting