Automatic testing equipment for PTC heater

Abstract

The present invention discloses an automatic testing device for a PTC heater, and relates to the technical field of PTC heaters. The present invention comprises a testing workbench, an upper end of one side of the testing workbench is fixedly mounted with an array-distributed testing mechanism, and an opening and closing mechanism used in conjunction with the testing mechanism is provided on the testing workbench. Through the coordinated use of the testing mechanism, the position conversion mechanism, the feeding mechanism, the clamping mechanism and the docking mechanism, four PTC heater bodies to be tested that have been stably clamped can be synchronously transferred and docked with a second docking plug, and the corresponding second docking plug can be arbitrarily flipped and adjusted when the second docking plug fails to dock with the corresponding first docking plug, thereby ensuring the precise docking of the first docking plug with the second docking plug, and further ensuring the normal development of subsequent testing operations, without the need to manually dock the plugs one by one, thereby saving manpower and improving the intelligence and practicality of the testing equipment.

Description

Technical Field

[0001] The invention relates to the technical field of PTC heaters, in particular to automatic testing equipment for PTC heaters. Background Art

[0002] The PTC heater has a constant temperature heating characteristic. The principle is that after the PTC heater is powered on, the temperature rises by self-heating, causing the resistance value to increase and enter the transition zone. The surface temperature of the PTC heater will remain constant. In order to ensure the normal use of the PTC heater in the future, testing operations must be carried out after its production is completed.

[0003] When using the existing PTC heater testing equipment, it is necessary to manually connect and separate the first docking plug and the second docking plug one by one and manually open and close the on and off switches one by one. It is also impossible to synchronize the PTC heater testing operation with the loading and unloading operations, which wastes manpower and reduces the intelligence and practicality of the testing equipment as well as the testing efficiency.

[0004] In view of the above problems, the inventor proposes an automatic testing device for a PTC heater to solve the above problems. Summary of the invention

[0005] In order to solve the problems that the existing PTC heater testing equipment needs to be manually connected and separated one by one between the first docking plug and the second docking plug, and the on and off switches need to be manually opened and closed one by one during use, and the PTC heater testing operation cannot be carried out synchronously with the loading and unloading operations; the purpose of the present invention is to provide an automatic testing equipment for PTC heaters.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions: an automatic testing device for a PTC heater, comprising a testing workbench, an array-distributed testing mechanism is fixedly installed on the upper end of one side of the testing workbench, and an opening and closing mechanism used in conjunction with the testing mechanism is provided on the testing workbench, a shifting mechanism, a feeding mechanism and a clamping mechanism used in conjunction with the testing mechanism are provided on one side of the testing workbench, and a mechanism to be tested used in conjunction with the testing mechanism is detachably provided on the feeding mechanism, the mechanism to be tested comprises a PTC heater body, and a second wiring harness is provided at one end of the PTC heater body, a second docking plug is provided at the end of the second wiring harness, and the second docking plug is connected to the feeder A docking mechanism is provided on the structure for use with the second docking plug, and a splitting mechanism is provided on one side of the feeding mechanism for use with the second docking plug. The coordinated use of the testing mechanism, the transposition mechanism, the feeding mechanism, the clamping mechanism and the docking mechanism can synchronously transfer and accurately dock the four stably clamped PTC heater bodies to be tested with the second docking plug, and realize the synchronous development of the PTC heater body testing operation and the loading and unloading operation, as well as the synchronous testing of the four PTC heater bodies. The setting and use of the opening and closing mechanism can synchronously open and close the four testing mechanisms, and the coordinated use of the splitting mechanism and the feeding mechanism can conveniently release the docking relationship of the second docking plug.

[0007] Preferably, the testing mechanism includes a testing machine body, which is fixedly installed on one side of the top of the testing workbench, and the upper end of the testing machine body is provided with a warning light body and an opening and closing switch for use together, one side of the testing machine body is fixedly connected to a first wiring harness, and the end of the first wiring harness is fixedly connected to a first docking plug, an array of side support rods are fixedly installed on the testing workbench, and the end of the side support rod is fixedly connected to a limited position holder, the first docking plug is fixedly inserted in the limited position holder, the opening and closing mechanism includes a side support plate, the side support plate is fixedly connected to the testing workbench, and the upper end of the side support plate is fixedly inserted with a first electric telescopic rod, the end of the output end of the first electric telescopic rod is fixedly sleeved with a connecting cross plate, and the connecting cross plate is fixedly sleeved at the end of the output end of the first electric telescopic rod. The bottom end of the connecting cross plate is fixedly installed with an array-distributed T-type dial plate, which can be in active contact with the opening and closing switch, and the top end of the side supporting plate is fixedly connected with a symmetrically distributed side vertical frame, and a symmetrically arranged limit guide rod is fixedly installed on the connecting cross plate, and a limit guide hole is penetrated through the side vertical frame, and the limit guide rod is slidably inserted in the limit guide hole, and two sliding guide holes are penetrated through the side vertical frame, and a reset slide rod is slidably inserted in the sliding guide hole, and the end of the reset slide rod can be in active contact with the opening and closing switch, and a mounting ring is fixedly sleeved on the reset slide rod, and a reset spring is fixedly installed on one side of the mounting ring, and the reset spring is movably sleeved on the reset slide rod, and the end of the reset spring is fixedly connected to the side vertical frame.

[0008] Preferably, the transposition mechanism includes a side bracket, which is fixedly inserted on the test workbench, and a driving motor is fixedly inserted on the inner side of the side bracket, the end of the output end of the driving motor is fixedly connected to a transposition rotating rod, and the transposition rotating rod is rotatably inserted on the test workbench, the transposition rotating rod is fixedly sleeved with an array-distributed transposition ring, and two L-shaped transposition racks are fixedly connected to the outer wall of the transposition ring, the feeding mechanism includes an L-shaped feeding plate, the L-shaped feeding plate is rotatably connected to the L-shaped transposition rack, and an electric push rod is fixedly installed on the L-shaped feeding plate, the end of the output end of the electric push rod is fixedly sleeved with an L-shaped feeding block, and the L-shaped feeding block is slidably connected to the L-shaped feeding plate, the end of the L-shaped feeding block is fixedly connected to a loading cross plate, and a loading bracket for use with the loading cross plate is fixedly installed on the loading cross plate, and the PTC heater body and the second docking plug can be respectively connected to the loading cross plate and the loading bracket. The second docking plug can be snapped with the first docking plug, the clamping mechanism includes a second electric telescopic rod, the second electric telescopic rod is fixedly mounted on the loading bracket, and the output end of the second electric telescopic rod slides through the loading bracket and is fixedly connected with the first clamping plate at its end, the first clamping plate can fit with the second docking plug, and a side connecting rod is fixedly mounted on one side of the first clamping plate, the ends of the two side connecting rods are fixedly connected with the second clamping plates, and the second clamping plate can fit with the PTC heater body, the docking mechanism includes a rotating cylinder and a docking rod, the rotating cylinder is fixedly mounted on the L-shaped transposition frame, and the output end of the rotating cylinder rotates through the L-shaped transposition frame and is fixedly inserted on the L-shaped feeding plate, the docking rod is fixedly mounted on the inner wall of the second docking plug, and a docking socket is provided on the first docking plug, and the docking rod can be slidably inserted in the docking socket.

[0009] Preferably, the splitting mechanism includes a two-way electric telescopic rod, which is fixedly inserted on the loading bracket, and the ends of the output ends on both sides of the two-way electric telescopic rod are fixedly sleeved with splitting vertical plates, the loading bracket is penetrated with symmetrically arranged mounting through holes, and the two-way electric telescopic rod is fixedly inserted in the mounting through holes, one end of the splitting vertical plate is penetrated with a mounting socket, and a splitting push rod is fixedly inserted in the mounting socket, the loading bracket is penetrated with symmetrically distributed sliding through holes, and the splitting push rod is slidably inserted in the sliding through holes, and the opposite ends of the two splitting push rods can be movably contacted with the first docking plug.

[0010] Compared with the prior art, the present invention has the following beneficial effects:

[0011] 1. Through the coordinated use of the testing mechanism, the transposition mechanism, the feeding mechanism, the clamping mechanism and the docking mechanism, the four stably clamped PTC heater bodies to be tested can be transferred and docked with the second docking plug synchronously, and the corresponding second docking plug can be arbitrarily flipped and adjusted when the second docking plug fails to dock with the corresponding first docking plug, thereby ensuring the accurate docking of the first docking plug and the second docking plug, and then ensuring the normal development of subsequent test operations, without the need to manually dock the plugs one by one, thereby saving manpower and improving the intelligence and practicality of the test equipment. In addition, the synchronous development of the PTC heater body test operation and the loading and unloading operation and the synchronous testing of the four PTC heater bodies are realized, thereby effectively improving the test efficiency of the test equipment;

[0012] 2. Through the setting and use of the opening and closing mechanism, the four T-type plates can be driven to move synchronously, so that the four opening and closing switches can be turned and opened synchronously, without the need to open them manually one by one, and the thrust of the four T-type plates can be removed synchronously after the test operation is completed. At the same time, the four reset slide bars will synchronously push the four opening and closing switches to reverse and close, without the need to close them manually one by one, thereby further saving manpower, improving the intelligence and practicality of the test equipment, and improving the test efficiency of the test equipment;

[0013] 3. Through the coordinated use of the splitting mechanism and the feeding mechanism, the corresponding two splitting vertical plates can be driven to move toward each other after the test operation is completed, thereby driving the corresponding two splitting push rods to move toward each other, and then the splitting push rod can be brought into contact with the corresponding first docking plug and squeezed to deform it, so that the docking relationship between the first docking plug and the corresponding second docking plug can be easily released and separated, without the need to manually split them one by one, thereby again saving manpower, improving the intelligence and practicality of the test equipment, and improving the test efficiency of the test equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a schematic diagram of the structure of the present invention.

[0016] Figure 2 For the present invention Figure 1 A schematic diagram of the enlarged structure in the middle.

[0017] Figure 3 It is a schematic diagram of the installation of the clamping mechanism in the present invention.

[0018] Figure 4 For the present invention Figure 3 Enlarged schematic diagram of the structure at point B in the middle.

[0019] Figure 5 For the present invention Figure 3 Enlarged schematic diagram of the structure at point C in the middle.

[0020] Figure 6 It is a schematic diagram of the installation of the docking mechanism in the present invention.

[0021] Figure 7 For the present invention Figure 6 Enlarged schematic diagram of the structure at point D in the middle.

[0022] Figure 8 For the present invention Figure 6 Enlarged schematic diagram of the structure at point E in the middle.

[0023] Fig. 9 For the present invention Figure 6 Enlarged schematic diagram of the structure at F in the middle.

[0024] In the figure: 1. test workbench; 2. test mechanism; 21. test machine body; 22. warning light body; 23. opening and closing switch; 24. first wiring harness; 25. first docking plug; 26. side support rod; 27. limit card seat; 28. docking jack; 3. opening and closing mechanism; 31. side support plate; 32. first electric telescopic rod; 33. connecting horizontal plate; 34. T-type dial plate; 35. side vertical frame; 36. sliding guide hole; 37. reset slide rod; 38. installation ring; 39. reset spring; 310. limit guide rod; 311. limit guide hole; 4. transposition mechanism; 41. side bracket; 42. drive motor; 43. transposition rotating rod; 44. transposition Ring; 45, L-shaped transposition frame; 5, feeding mechanism; 51, L-shaped feeding plate; 52, electric push rod; 53, L-shaped feeding block; 54, loading horizontal plate; 55, loading bracket; 56, sliding perforation; 57, mounting through hole; 6, clamping mechanism; 61, second electric telescopic rod; 62, first clamping plate; 63, side connecting rod; 64, second clamping plate; 7, mechanism to be tested; 71, PTC heater body; 72, second wiring harness; 73, second docking plug; 8, docking mechanism; 81, rotating cylinder; 82, docking plug; 9, splitting mechanism; 91, two-way electric telescopic rod; 92, splitting vertical plate; 93, mounting socket; 94, splitting push rod. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] Example: Figure 1-9 As shown, the present invention provides an automatic testing device for a PTC heater, comprising a testing workbench 1, an array-distributed testing mechanism 2 is fixedly installed on the upper end of one side of the testing workbench 1, and an opening and closing mechanism 3 used in conjunction with the testing mechanism 2 is provided on the testing workbench 1, a position change mechanism 4, a feeding mechanism 5 and a clamping mechanism 6 used in conjunction with each other are provided on one side of the testing workbench 1, and a testing mechanism 7 used in conjunction with the testing mechanism 2 is detachably provided on the feeding mechanism 5, the testing mechanism 7 comprises a PTC heater body 71, and a second wiring harness 72 is provided at one end of the PTC heater body 71, a second docking plug 73 is provided at the end of the second wiring harness 72, and the second docking plug 73 is connected to the matching plug 7 on the feeding mechanism 5. A docking mechanism 8 is used in conjunction with the feeding mechanism 5, and a splitting mechanism 9 is provided on one side of the feeding mechanism 5 for use with the second docking plug 73. The coordinated use of the testing mechanism 2, the transposition mechanism 4, the feeding mechanism 5, the clamping mechanism 6 and the docking mechanism 8 can synchronously transfer and accurately dock the four stably clamped PTC heater bodies 71 to be tested with the second docking plug 73, and realize the synchronous development of the PTC heater body 71 testing operation and the loading and unloading operation, as well as the synchronous testing of the four PTC heater bodies 71. The setting and use of the opening and closing mechanism 3 can synchronously open and close the four testing mechanisms 2, and the coordinated use of the splitting mechanism 9 and the feeding mechanism 5 can conveniently release the docking relationship of the second docking plug 73.

[0027] The test mechanism 2 includes a test machine body 21, which is fixedly installed on one side of the top of the test workbench 1. The test machine body 21 can perform a heating test on the PTC heater body 71. This is a prior art and will not be described in detail here. The upper end of the test machine body 21 is provided with a warning light body 22 and an on-off switch 23 for use in conjunction with each other. One side of the test machine body 21 is fixedly connected to a first wiring harness 24, and the end of the first wiring harness 24 is fixedly connected to a first docking plug 25. An array of side support rods 26 are fixedly installed on the test workbench 1, and the end of the side support rod 26 is fixedly connected to a limited position holder 27, and the first docking plug 25 is fixedly inserted in the limited position holder 27. The on-off mechanism 3 includes a side support plate 31, which is fixedly connected to the test workbench 1, and the upper end of the side support plate 31 is fixedly inserted with a first electric telescopic rod 32, and the end of the output end of the first electric telescopic rod 32 is fixedly sleeved with a connecting cross plate 33, and the bottom of the connecting cross plate 33 The ends are fixedly installed with array-distributed T-type dial plates 34, which can be in active contact with the on-off switch 23, and the tops of the side support plates 31 are fixedly connected with symmetrically distributed side vertical frames 35, and the connecting cross plates 33 are fixedly installed with symmetrically arranged limit guide rods 310, and the side vertical frames 35 are penetrated with limit guide holes 311, and the limit guide rods 310 are slidably inserted in the limit guide holes 311. The cooperation of the limit guide rods 310 and the limit guide holes 311 is used to connect the cross plates 33. The movable adjustment plays a role of limiting and guiding. Two sliding guide holes 36 are penetrated on the side vertical frame 35, and a reset slide rod 37 is slidably inserted in the sliding guide hole 36. The end of the reset slide rod 37 can be movably contacted with the opening and closing switch 23, and a mounting ring 38 is fixedly sleeved on the reset slide rod 37. A reset spring 39 is fixedly installed on one side of the mounting ring 38, and the reset spring 39 is movably sleeved on the reset slide rod 37, and the end of the reset spring 39 is fixedly connected to the side vertical frame 35.

[0028] By adopting the above-mentioned technical scheme, when in use, the first electric telescopic rod 32 is started, thereby driving the connecting horizontal plate 33 to move toward the side close to the side support plate 31, and then driving the four T-shaped dial plates 34 to move toward the side close to the side support plate 31, thereby pushing the corresponding opening and closing switch 23 to rotate and starting the corresponding test machine body 21 to perform the test operation. At the same time, the opening and closing switch 23 will push the corresponding reset slide bar 37 to move while rotating and opening, thereby driving the corresponding installation ring 38 to move toward the side close to the side vertical frame 35, and then squeezing the corresponding reset spring 39, and when the test operation is completed, the T-shaped dial plate 34 is reset, and then the reset spring 39 will drive the corresponding installation ring 38 to reset, thereby driving the corresponding reset slide bar 37 to reset, and then pushing the corresponding opening and closing switch 23 to reverse and close the corresponding test machine body 21.

[0029] The transposition mechanism 4 includes a side bracket 41, which is fixedly inserted on the test workbench 1, and a driving motor 42 is fixedly inserted on the inner side of the side bracket 41. The setting and use of the side bracket 41 provides a guarantee for the stable installation of the driving motor 42. The end of the output end of the driving motor 42 is fixedly connected with a transposition rotating rod 43, and the transposition rotating rod 43 is rotatably inserted on the test workbench 1. An array of transposition rings 44 are fixedly sleeved on the transposition rotating rod 43, and two L-shaped transposition frames 45 are fixedly connected to the outer wall of the transposition ring 44. The feeding mechanism 5 includes an L-shaped feeding The L-shaped feeding plate 51 is rotatably connected to the L-shaped transposition frame 45, and an electric push rod 52 is fixedly installed on the L-shaped feeding plate 51, and the end of the output end of the electric push rod 52 is fixedly sleeved with an L-shaped feeding block 53, and the L-shaped feeding block 53 is slidably connected to the L-shaped feeding plate 51, and the end of the L-shaped feeding block 53 is fixedly connected to a loading cross plate 54, and a loading bracket 55 used in conjunction is fixedly installed on the loading cross plate 54, and the PTC heater body 71 and the second docking plug 73 can be respectively fitted with the loading cross plate 54 and the loading bracket 55, and the second docking plug 73 can The clamping mechanism 6 includes a second electric telescopic rod 61, which is fixedly mounted on the material carrier bracket 55, and the output end of the second electric telescopic rod 61 slides through the material carrier bracket 55 and is fixedly connected to a first clamping plate 62 at its end, and the first clamping plate 62 can fit with the second docking plug 73, and a side connecting rod 63 is fixedly mounted on one side of the first clamping plate 62, and the ends of the two side connecting rods 63 are fixedly connected to a second clamping plate 64, and the second clamping plate 64 can fit with the PTC heater body 71, and the docking mechanism 8 includes It includes a rotating cylinder 81 and a docking rod 82. The rotating cylinder 81 is fixedly mounted on the L-shaped transposition frame 45, and the output end of the rotating cylinder 81 rotates through the L-shaped transposition frame 45 and is fixedly inserted on the L-shaped feeding plate 51. The docking rod 82 is fixedly mounted on the inner wall of the second docking plug 73, and a docking hole 28 is provided on the first docking plug 25. The docking rod 82 can be slidably inserted in the docking hole 28. The outer diameter of the docking rod 82 is the same as the inner diameter of the docking hole 28, thereby ensuring the precise docking of the first docking plug 25 and the second docking plug 73.

[0030] By adopting the above technical solution, when in use, the four PTC heater bodies 71 to be tested are placed on the loading cross plate 54 at the lower end in turn and the corresponding second docking plugs 73 are placed on the corresponding loading brackets 55, and then the corresponding second electric telescopic rods 61 are started, so that the corresponding first clamping plate 62 can be driven to move to the side close to the corresponding loading cross plate 54, and then the corresponding second clamping plate 64 can be driven to move through the side connecting rods 63 until the first clamping plate 62 and the corresponding second docking plug 73 are tightly fitted together, and the corresponding second electric telescopic rods 61 are closed. At this time, the second clamping plate 64 will be tightly fitted with the corresponding PTC heater body 71, and then the driving motor 42 is started, so that the transposition rotating rod 43 can be driven to rotate, and then the transposition sleeve 44 can be driven to rotate, and further the L-shaped transposition frame 45 can be driven to rotate, and when the transposition rotating rod 43 rotates one hundred and eighty degrees, the driving motor 42 is turned off and the four PTC heater bodies 71 to be tested are continued to be fixed according to the above steps. At the same time, the four electric push rods 52 at the upper end will be started, so that The corresponding L-shaped feeding block 53 is moved toward the side close to the testing machine body 21, and then the corresponding loading cross plate 54 and the loading bracket 55 are driven to move toward the side close to the testing machine body 21, and further the corresponding PTC heater body 71 and the second docking plug 73 are driven to move toward the side close to the testing machine body 21, until the second docking plug 73 is connected with the corresponding first docking plug 25 and the docking plug 82 is inserted into the corresponding docking socket 28, and then the corresponding electric push rod 52 is closed. During this period, if the docking plug 82 and the corresponding docking socket 28 are misaligned, the corresponding PTC heater body 71 and the second docking plug 73 are reset by the corresponding electric push rod 52, and then the corresponding rotating cylinder 81 is started, so as to drive the corresponding L-shaped feeding plate 51 to rotate, and then the corresponding PTC heater body 71 and the second docking plug 73 are driven to rotate, and when the second docking plug 73 rotates one hundred and eighty degrees, the corresponding rotating cylinder 81 is closed and the above steps are continued to make the flipped second docking plug 73 connect with the corresponding first docking plug 25.

[0031] The splitting mechanism 9 includes a two-way electric telescopic rod 91, which is fixedly inserted on the loading bracket 55, and the ends of the output ends on both sides of the two-way electric telescopic rod 91 are fixedly sleeved with splitting vertical plates 92. The loading bracket 55 is penetrated with symmetrically arranged mounting through holes 57, and the two-way electric telescopic rod 91 is fixedly inserted in the mounting through holes 57. The setting and use of the mounting through holes 57 provide a guarantee for the stable installation of the two-way electric telescopic rod 91. One end of the splitting vertical plate 92 is penetrated with a mounting socket 93, and a splitting push rod 94 is fixedly inserted in the mounting socket 93. The loading bracket 55 is penetrated with symmetrically distributed sliding through holes 56, and the splitting push rod 94 is slidably inserted in the sliding through holes 56. The opposite ends of the two splitting push rods 94 can be movably contacted with the first docking plug 25.

[0032] By adopting the above technical solution, when in use, the four bidirectional electric telescopic rods 91 at the upper end are started, so that the corresponding two split vertical plates 92 can be driven to move toward each other, and then the corresponding two split push rods 94 can be driven to move toward each other, and further the split push rods 94 can be made to contact and squeeze the corresponding first docking plug 25 to deform it, and when the docking relationship between the first docking plug 25 and the corresponding second docking plug 73 is released, the corresponding electric push rod 52 is started to drive the tested PTC heater body 71 and the second docking plug 73 to reset, during which time the flipped and adjusted second docking plug 73 needs to be reversed and reset.

[0033] Working principle: When in use, four PTC heater bodies 71 to be tested are placed on the loading cross plate 54 at the lower end in turn and the corresponding second docking plug 73 is placed on the corresponding loading bracket 55, and then the corresponding second electric telescopic rod 61 is started, so that the corresponding first clamping plate 62 can be driven to move to the side close to the corresponding loading cross plate 54, and then the corresponding second clamping plate 64 can be driven to move through the side connecting rod 63, until the first clamping plate 62 and the corresponding second docking plug 73 are tightly fitted together, and the corresponding second electric telescopic rod 61 is closed. At this time, the second clamping plate 64 will be tightly fitted with the corresponding PTC heater body 71, and then the drive motor 42 is started, so that the transposition rotating rod 43 can be driven to rotate, and then the transposition ring 44 can be driven to rotate, and further the L-shaped transposition frame 45 can be driven to rotate, and when the transposition rotating rod 43 rotates 180 degrees, the drive motor 42 is turned off and the four PTC heater bodies 71 to be tested are continued to be fixed according to the above steps;

[0034] At the same time, the four electric push rods 52 at the upper end will be started, so as to drive the corresponding L-shaped feeding block 53 to move toward the side close to the test machine body 21, and then drive the corresponding loading cross plate 54 and the loading bracket 55 to move toward the side close to the test machine body 21, and further drive the corresponding PTC heater body 71 and the second docking plug 73 to move toward the side close to the test machine body 21, until the second docking plug 73 is connected with the corresponding first docking plug 25 and the docking plug 82 is inserted into the corresponding docking socket 28, and the corresponding electric push rod 5 is closed. 2. During this period, if the docking plug rod 82 and the corresponding docking plug hole 28 are misaligned, the corresponding PTC heater body 71 and the second docking plug 73 are reset by the corresponding electric push rod 52, and then the corresponding rotating cylinder 81 is started, so as to drive the corresponding L-shaped feeding plate 51 to rotate, and then drive the corresponding PTC heater body 71 and the second docking plug 73 to rotate, and when the second docking plug 73 rotates 180 degrees, the corresponding rotating cylinder 81 is closed and the above steps are continued to make the flipped second docking plug 73 dock with the corresponding first docking plug 25;

[0035] Then, the first electric telescopic rod 32 is started, thereby driving the connecting horizontal plate 33 to move toward the side close to the side support plate 31, and then driving the four T-shaped dial plates 34 to move toward the side close to the side support plate 31, thereby pushing the corresponding on-off switch 23 to rotate and starting the corresponding test machine body 21 to perform the test operation. At the same time, the on-off switch 23 will push the corresponding reset slide bar 37 to move while turning it on, thereby driving the corresponding installation ring 38 to move toward the side close to the side vertical frame 35, thereby squeezing the corresponding reset spring 39, and when the test operation is completed, the T-shaped dial plate 34 is reset, and then the reset spring 39 will drive the corresponding installation ring 38 to reset, thereby driving the corresponding reset slide bar 37 to reset, thereby pushing the corresponding on-off switch 23 to reverse and close the corresponding test machine body 21;

[0036] Then start the four bidirectional electric telescopic rods 91 at the upper end, so as to drive the corresponding two split vertical plates 92 to move towards each other, and then drive the corresponding two split push rods 94 to move towards each other, and further enable the split push rod 94 to contact and squeeze the corresponding first docking plug 25 to deform it, and when the docking relationship between the first docking plug 25 and the corresponding second docking plug 73 is released, start the corresponding electric push rod 52 to drive the tested PTC heater body 71 and the second docking plug 73 to reset. During this period, the flipped and adjusted second docking plug 73 needs to be reversed and reset, and then the transposition rod 43 is rotated one hundred and eighty degrees again and the testing operation is carried out according to the above steps. At the same time, the tested PTC heater body 71 is removed and the four PTC heater bodies 71 and the second docking plugs 73 to be tested are fixed again.

[0037] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. An automatic testing device for a PTC heater, comprising a testing workbench (1), characterized in that: An array-distributed test mechanism (2) is fixedly mounted on the upper end of one side of the test workbench (1), and an opening and closing mechanism (3) used in conjunction with the test mechanism (2) is provided on the test workbench (1). A position change mechanism (4), a feeding mechanism (5) and a clamping mechanism (6) used in conjunction with the test mechanism (2) are provided on one side of the test workbench (1), and a test mechanism (7) used in conjunction with the test mechanism (2) is detachably provided on the feeding mechanism (5), the test mechanism (7) comprising a PTC heater body (71), and a second wiring harness (72) is provided at one end of the PTC heater body (71), a second docking plug (73) is provided at the end of the second wiring harness (72), and the second docking plug (73) and a docking mechanism (8) used in conjunction with the feeding mechanism (5) are provided. A splitting mechanism (9) used in conjunction with the second docking plug (73) is provided on one side of the feeding mechanism (5); the testing mechanism (2), the transposition mechanism (4), the feeding mechanism (5), the clamping mechanism (6) and the docking mechanism (8) can be used in conjunction with each other to synchronously transfer and accurately dock the four stably clamped PTC heater bodies (71) to be tested with the second docking plug (73), thereby achieving synchronous testing of the PTC heater body (71) and loading and unloading operations, as well as synchronous testing of the four PTC heater bodies (71); the setting and use of the opening and closing mechanism (3) can synchronously open and close the four testing mechanisms (2); and the splitting mechanism (9) and the feeding mechanism (5) can conveniently release the docking relationship of the second docking plug (73).

2. The automatic testing equipment for PTC heater according to claim 1, characterized in that: The testing mechanism (2) comprises a testing machine body (21), the testing machine body (21) being fixedly mounted on one side of the top of the testing workbench (1), and a warning light body (22) and an on / off switch (23) for use in conjunction therewith being provided at the upper end of the testing machine body (21), a first wiring harness (24) being fixedly connected to one side of the testing machine body (21), and a first docking plug (25) being fixedly connected to the end of the first wiring harness (24), and an array of side support rods (26) being fixedly mounted on the testing workbench (1), and the ends of the side support rods (26) being fixedly connected to a limit clamping seat (27), and the first docking plug (25) being fixedly inserted in the limit clamping seat (27).

3. The automatic testing equipment for PTC heater according to claim 2, characterized in that: The opening and closing mechanism (3) comprises a side support plate (31), the side support plate (31) is fixedly connected to the test workbench (1), and a first electric telescopic rod (32) is fixedly plugged into the upper end of the side support plate (31), a connecting horizontal plate (33) is fixedly sleeved at the end of the output end of the first electric telescopic rod (32), and an array of T-shaped dial plates (34) are fixedly installed at the bottom end of the connecting horizontal plate (33), and the T-shaped dial plates (34) can be movably contacted with the opening and closing switch (23), and the top end of the side support plate (31) is fixedly connected to symmetrically distributed side vertical plates (34). The side vertical frame (35) has two sliding guide holes (36) extending therethrough, and a reset slide bar (37) is slidably inserted in the sliding guide hole (36), and the end of the reset slide bar (37) can movably contact with the opening and closing switch (23), and a mounting ring (38) is fixedly sleeved on the reset slide bar (37), and a reset spring (39) is fixedly installed on one side of the mounting ring (38), and the reset spring (39) is movably sleeved on the reset slide bar (37), and the end of the reset spring (39) is fixedly connected to the side vertical frame (35).

4. The automatic testing equipment for PTC heater according to claim 3, characterized in that: The connecting transverse plate (33) is fixedly provided with symmetrically arranged limiting guide rods (310), and the side vertical frame (35) is penetrated with a limiting guide hole (311), and the limiting guide rod (310) is slidably inserted in the limiting guide hole (311).

5. The automatic testing equipment for PTC heater according to claim 2, characterized in that: The transposition mechanism (4) comprises a side bracket (41), the side bracket (41) is fixedly inserted on the test workbench (1), and a driving motor (42) is fixedly inserted on the inner side of the side bracket (41), the end of the output end of the driving motor (42) is fixedly connected to a transposition rotating rod (43), and the transposition rotating rod (43) is rotatably inserted on the test workbench (1), the transposition rotating rod (43) is fixedly sleeved with an array-distributed transposition ring (44), and two L-shaped transposition frames (45) are fixedly connected to the outer wall of the transposition ring (44).

6. The automatic testing equipment for PTC heater according to claim 5, characterized in that: The feeding mechanism (5) comprises an L-shaped feeding plate (51), the L-shaped feeding plate (51) is rotatably connected to the L-shaped transposition frame (45), and an electric push rod (52) is fixedly mounted on the L-shaped feeding plate (51), the end of the output end of the electric push rod (52) is fixedly sleeved with an L-shaped feeding block (53), and the L-shaped feeding block (53) is slidably connected to the L-shaped feeding plate (51), the end of the L-shaped feeding block (53) is fixedly connected to a loading cross plate (54), and a loading bracket (55) used in conjunction with the loading cross plate (54) is fixedly mounted on the loading cross plate (54), the PTC heater body (71) and the second docking plug (73) can be respectively fitted with the loading cross plate (54) and the loading bracket (55), and the second docking plug (73) can be snap-fitted with the first docking plug (25).

7. The automatic testing equipment for PTC heater according to claim 6, characterized in that: The clamping mechanism (6) comprises a second electric telescopic rod (61), the second electric telescopic rod (61) is fixedly mounted on the loading bracket (55), and the output end of the second electric telescopic rod (61) slides through the loading bracket (55) and is fixedly connected to a first clamping plate (62) at its end, the first clamping plate (62) can fit with a second docking plug (73), and a side connecting rod (63) is fixedly mounted on one side of the first clamping plate (62), the ends of the two side connecting rods (63) are fixedly connected to a second clamping plate (64), and the second clamping plate (64) can fit with the PTC heater body (71).

8. The automatic testing equipment for PTC heater according to claim 6, characterized in that: The docking mechanism (8) comprises a rotating cylinder (81) and a docking plug rod (82); the rotating cylinder (81) is fixedly mounted on an L-shaped transposition frame (45); and the output end of the rotating cylinder (81) rotates through the L-shaped transposition frame (45) and is fixedly inserted on the L-shaped feeding plate (51); the docking plug rod (82) is fixedly mounted on the inner wall of the second docking plug (73); and a docking socket (28) is provided on the first docking plug (25); and the docking plug rod (82) can be slidably inserted in the docking socket (28).

9. The automatic testing equipment for PTC heater according to claim 6, characterized in that: The splitting mechanism (9) comprises a bidirectional electric telescopic rod (91), which is fixedly inserted on the loading bracket (55), and the ends of the output ends on both sides of the bidirectional electric telescopic rod (91) are fixedly sleeved with splitting vertical plates (92), one end of the splitting vertical plate (92) is penetrated with a mounting hole (93), and a splitting push rod (94) is fixedly inserted in the mounting hole (93), the loading bracket (55) is penetrated with symmetrically distributed sliding through holes (56), and the splitting push rod (94) is slidably inserted in the sliding through holes (56), and the opposite ends of the two splitting push rods (94) can be movably contacted with the first docking plug (25).

10. The automatic testing equipment for PTC heater according to claim 9, characterized in that: The material loading bracket (55) is provided with symmetrically arranged mounting through holes (57), and the bidirectional electric telescopic rod (91) is fixedly inserted in the mounting through holes (57).

Images