Thermal sensitive ceramic resistor precision forming device

Abstract

The utility model relates to the technical field of electronic component production, in particular to a thermal sensitive ceramic resistor precision forming device, which comprises a positioning mechanism capable of positioning a thermistor and cutting a terminal. According to the utility model, the moving seat is driven to slide on the two limiting columns, and the second air cylinder is extended to drive the lifting plate to descend, so that the positioning seat is driven to descend, and therefore, two terminals of a resistor can be pressed between the two clamping grooves between the positioning seat and the moving seat, and the resistor terminals can be subjected to secondary positioning; through positioning in two steps, shaking can be prevented during cutting, a lifting plate continues to descend to drive a sliding column to be inserted into a positioning seat, the positioning seat continues to press a terminal through a reset spring, and meanwhile, the lifting plate can drive a cutting blade to cut the excessive part of the terminal, so that the cutting efficiency is improved. And metal generated by cutting is received and recycled through the recycling box, and deformation of the cutting position of the terminal can be avoided in a dual-positioning mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic component production technical field, concretely is a kind of thermosensitive ceramic resistor precision forming device. BACKGROUND

[0002] Thermosensitive ceramic resistor is a kind of special ceramic material, its resistance changes significantly with temperature change.PTC thermosensitive ceramic resistor when temperature is lower than Curie point, due to high dielectric constant and current flow, electron movement is stable, shows low resistance value.Once exceed Curie point, substance loses magnetic force, dielectric constant drops significantly, resistance value increases sharply.

[0003] The production of thermistor, after production, the shape and size of its terminal are consistent, and its terminal is generally linear.In the event that users have different requirements for the terminals of thermistor, manufacturers need to form or cut the terminals of thermistor according to the requirements of users to meet the specific requirements of products.Currently, the forming method of thermistor terminal is generally to place the thermistor on the equipment and press tightly, so that the terminal is located in the forming groove, then the thermistor is formed by extrusion mechanism, and the excess part on the terminal is cut off by cutter.But in the cutting process, the terminal is not effectively fixed, and the cutter directly contacts with the forming groove, which causes the port to be easily deformed or burr after cutting. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of thermosensitive ceramic resistor precision forming device to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of thermosensitive ceramic resistor precision forming device, comprising:

[0007] Positioning mechanism, the positioning mechanism can be positioned and cut terminal processing to thermistor;

[0008] Polishing mechanism, the polishing mechanism can be polished to the cutting place of the thermistor terminal cut off, the polishing mechanism includes support plate, the side wall top end of the support plate is fixedly connected with one end of cylinder three, the other end of the cylinder three is fixedly connected with displacement plate, two pivotally connected on the displacement plate symmetry two rotating shafts, the end of two rotating shafts is fixedly connected with polishing barrel, synchronous pulley is fixedly connected on the outer wall of two rotating shafts, synchronous belt is sleeved between two synchronous pulleys, the end of one rotating shaft is fixedly connected with the output end of servo motor.

[0009] Further in, the positioning mechanism comprises a placing seat, a clamping groove is formed in the placing seat, a thermistor is clamped in the clamping groove, a gas cylinder one is fixedly connected in the placing seat, and an clamping plate is fixedly connected to the end of the gas cylinder one.

[0010] Further in, two arc-shaped rubber plates are symmetrically fixed in the clamping groove.

[0011] Further in, a driving motor is fixedly connected in the placing seat, a screw rod is fixedly connected to the output end of the driving motor, a moving seat is sleeved on the outside of the screw rod, two limiting columns which are slidably sleeved with the moving seat are symmetrically fixedly connected to the side wall of the placing seat, a H-shaped plate is fixedly connected to the top of the moving seat, a gas cylinder two is fixedly connected to the inner top wall of the H-shaped plate, a lifting plate is fixedly connected to the bottom end of the gas cylinder two, two sliding columns are symmetrically fixedly connected to the bottom of the lifting plate, a positioning seat is slidably connected between the two sliding columns, and two clamping grooves are symmetrically formed in the opposite sides of the positioning seat and the moving seat.

[0012] Further in, a reset spring is sleeved on the outside of each of the two sliding columns, and the reset spring is fixedly connected with the positioning seat.

[0013] Further in, an outer shell is fixedly connected to the side wall of the positioning seat, a cutting blade is slidably sleeved in the outer shell, and the cutting blade is fixedly connected with the lifting plate.

[0014] Further in, a recycling box is fixedly connected to the bottom plate of the placing seat.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The thermistor is clamped between the clamping plate and the arc-shaped rubber plate by the elongation of the gas cylinder one, the thermistor is clamped between the clamping plate and the arc-shaped rubber plate, the pre-positioning is completed, the screw rod is driven to rotate by the output end of the driving motor, the moving seat is driven to slide on the two limiting columns, the moving seat is moved to the end position of the resistance terminal, the lifting plate is driven to descend by the elongation of the gas cylinder two, the positioning seat is driven to descend, the two terminals of the resistance are pressed between the two clamping grooves between the positioning seat and the moving seat, the resistance terminal is positioned twice, the terminal is prevented from shaking during cutting by the two-step positioning, the sliding column is inserted into the positioning seat by the continuous descent of the lifting plate, the positioning seat is kept pressing the terminal by the reset spring, the terminal is cut by the cutting blade driven by the lifting plate, the metal generated by cutting is recycled by the recycling box, and the double-positioning mode can avoid the deformation of the terminal cutting part.

[0017] 2, by in the terminal cutting forming, through the drive motor reverse drive screw rotation, thus drive mobile seat to the direction of placing seat movement, so that the resistance terminal is exposed, after through the cylinder three drive displacement plate close to the terminal, so that two polishing barrel can and terminal cutting place to sleeve joint, through the servo motor output end can drive two synchronous wheel synchronous rotation, thus through the polishing barrel is convenient to the terminal cutting end deburring polishing processing, thus improve the product quality. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the whole structure schematic diagram of the utility model;

[0019] Figure 2 is the placing seat section structure schematic diagram in the utility model;

[0020] Figure 3 is the mobile seat top structure schematic diagram in the utility model;

[0021] Figure 4 is the polishing mechanism structure schematic diagram in the utility model.

[0022] In the drawing: 100, positioning mechanism;101, placing seat;102, clamping groove;103, arc rubber plate;104, cylinder one;105, clamping plate;106, drive motor;107, screw;108, limit post;109, recovery box;110, mobile seat;111, clamping groove;112, type plate;113, cylinder two;114, lifting plate;115, sliding column;116, return spring;117, positioning seat;118, shell;119, cutting blade;200, polishing mechanism;201, support plate;202, cylinder three;203, displacement plate;204, rotating shaft;205, polishing barrel;206, synchronous wheel;207, synchronous belt;208, servo motor. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1-4The utility model embodiment, a kind of precision forming device of thermosensitive ceramic resistance, it include: positioning mechanism 100, polishing mechanism 200, positioning mechanism 100 can be positioned and cutting terminal processing to thermistor;Polishing mechanism 200 can be polished and handled to the cutting place of the thermistor terminal after cutting, clamping groove 102 is opened in placing seat 101, thermistor is clamped in clamping groove 102, placing seat 101 is fixedly connected with cylinder one 104, and the end of cylinder one 104 is fixedly connected with clamping plate 105. By cylinder one 104 elongation drives clamping plate 105 to push thermistor, so that thermistor can be clamped between clamping plate 105 and arc rubber plate 103, pre-positioning is completed, two arc rubber plates 103 are fixedly arranged in clamping groove 102 symmetrically. Driving motor 106 is fixedly connected in placing seat 101, and the output of driving motor 106 is fixedly connected with screw rod 107, and the outside of screw rod 107 is screwed with moving seat 110, and two limit posts 108 that slidingly connect with moving seat 110 are fixedly connected on the side wall of placing seat 101 symmetrically, moving seat 110 top is fixedly connected with the type plate 112 in the top wall of type plate 112, cylinder two 113 is fixedly connected in the top wall of type plate 112, and cylinder two 113 bottom is fixedly connected with lifting plate 114, and two sliding columns 115 are fixedly connected on the bottom of lifting plate 114 symmetrically, and positioning seat 117 is slidingly connected between two sliding columns 115, two clamping grooves 111 are symmetrically set on the opposite side of positioning seat 117 and moving seat 110, and the two terminals of resistance can be pressed between the two clamping grooves 111 between positioning seat 117 and moving seat 110, so that it can be positioned twice to resistance terminal, and the two steps of positioning can prevent from shaking when cutting. The outside of two sliding columns 115 is connected with reset spring 116, and reset spring 116 is fixedly connected with positioning seat 117. The side wall of positioning seat 117 is fixedly connected with shell 118, and cutting blade 119 is slidingly connected in shell 118, and cutting blade 119 is fixedly connected with lifting plate 114. Recycling box 109 is fixedly connected on the bottom plate of placing seat 101, and the metal generated by cutting is received by recycling box 109.

[0025] Specifically, the thermistor can be placed into the snap-fit ​​slot 102. First, the cylinder 104 extends to drive the clamping plate 105 to push the thermistor, thus clamping the thermistor between the clamping plate 105 and the arc-shaped rubber plate 103, completing the pre-positioning. Then, the output of the drive motor 106 drives the screw 107 to rotate, which facilitates the sliding of the moving seat 110 on the two limit posts 108, thereby moving the moving seat 110 to the end position of the resistor terminal. Then, the cylinder 2 113 extends to drive the lifting plate 114 to descend, which in turn drives the positioning seat 117 to descend, thus enabling the resistor to be positioned... The two terminals are pressed between the two locking grooves 111 between the positioning seat 117 and the moving seat 110, so that the resistor terminals can be positioned twice. The positioning through the two steps can prevent vibration during cutting. The lifting plate 114 continues to descend, driving the sliding column 115 to insert into the positioning seat 117. The return spring 116 continues to keep the positioning seat 117 pressing the terminals. At the same time, the lifting plate 114 drives the cutting blade 119 to cut the excess part of the terminal. The recycling box 109 collects and recycles the metal produced by cutting. The double positioning method can avoid deformation at the terminal cutting point.

[0026] Example 1

[0027] like Figure 4 As shown, in this embodiment, the grinding mechanism 200 includes a support plate 201. One end of a cylinder 202 is fixedly connected to the top of the side wall of the support plate 201, and a displacement plate 203 is fixedly connected to the other end of the cylinder 202. The cylinder 202 drives the displacement plate 203 to approach the terminal, so that the two grinding cylinders 205 can be sleeved with the terminal cutting area. Two rotating shafts 204 are symmetrically rotatably connected to the displacement plate 203. Grinding cylinders 205 are fixedly connected to the ends of the two rotating shafts 204. Synchronous pulleys 206 are fixedly sleeved on the outer walls of the two rotating shafts 204. A synchronous belt 207 is sleeved between the two synchronous pulleys 206. The output end of a servo motor 208 is fixedly connected to the end of one rotating shaft 204. The output end of the servo motor 208 can drive the two synchronous pulleys 206 to rotate synchronously, so that the grinding cylinders 205 can easily perform burr grinding on the terminal cutting end.

[0028] In practice, after the terminal is cut and shaped, the drive motor 106 drives the screw 107 to rotate in the opposite direction, thereby moving the moving seat 110 towards the placement seat 101, thus exposing the resistor terminal. Then, the cylinder 202 drives the displacement plate 203 to approach the terminal, so that the two grinding cylinders 205 can be sleeved with the terminal cutting area. The output of the servo motor 208 can drive the two synchronous wheels 206 to rotate synchronously, so that the grinding cylinders 205 can easily perform burr grinding on the terminal cutting end, thus improving product quality.

[0029] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0030] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A precision forming apparatus for a heat sensitive ceramic resistor, characterized by, include: The positioning mechanism (100) is capable of positioning and cutting terminals of the thermistor; The grinding mechanism (200) can grind the cut part of the thermistor terminal after it is cut. The grinding mechanism (200) includes a support plate (201). One end of the cylinder three (202) is fixedly connected to the top of the side wall of the support plate (201). The other end of the cylinder three (202) is fixedly connected to a displacement plate (203). Two rotating shafts (204) are symmetrically rotatably connected on the displacement plate (203). The ends of the two rotating shafts (204) are fixedly connected to a grinding cylinder (205). Synchronous pulleys (206) are fixedly sleeved on the outer walls of the two rotating shafts (204). A synchronous belt (207) is sleeved between the two synchronous pulleys (206). The end of one rotating shaft (204) is fixedly connected to the output end of a servo motor (208).

2. The precision forming device for thermistor ceramic resistors according to claim 1, characterized in that, The positioning mechanism (100) includes a placement seat (101), a snap-fit ​​groove (102) is provided in the placement seat (101), a thermistor is snapped in the snap-fit ​​groove (102), a cylinder (104) is fixedly connected in the placement seat (101), and a clamping plate (105) is fixedly connected to the end of the cylinder (104).

3. The precision forming device for thermistor ceramic resistors according to claim 2, characterized in that, Two arc-shaped rubber plates (103) are symmetrically fixed in the snap-fit ​​groove (102).

4. The precision forming device for thermistor ceramic resistors according to claim 2, characterized in that, A drive motor (106) is fixedly connected in the placement seat (101). A screw (107) is fixedly connected to the output end of the drive motor (106). A movable seat (110) is screwed onto the outside of the screw (107). Two limiting posts (108) that slide and are sleeved with the movable seat (110) are symmetrically fixedly connected to the side wall of the placement seat (101). A U-shaped plate (112) is fixedly connected to the top of the movable seat (110). A cylinder two (113) is fixedly connected to the inner top wall of the U-shaped plate (112). A lifting plate (114) is fixedly connected to the bottom end of the cylinder two (113). Two sliding posts (115) are symmetrically fixedly connected to the bottom of the lifting plate (114). A positioning seat (117) is slidably connected between the two sliding posts (115). Two clamping grooves (111) are symmetrically opened on opposite sides of the positioning seat (117) and the movable seat (110).

5. The precision forming device for thermistor ceramic resistors according to claim 4, characterized in that, Both sliding columns (115) are fitted with return springs (116), and the return springs (116) are fixedly connected to the positioning seat (117).

6. The precision forming device for thermistor ceramic resistors according to claim 4, characterized in that, A housing (118) is fixedly connected to the side wall of the positioning seat (117), and a cutting blade (119) is slidably sleeved in the housing (118). The cutting blade (119) is fixedly connected to the lifting plate (114).

7. The precision forming device for thermistor ceramic resistors according to claim 4, characterized in that, A recycling box (109) is fixedly connected to the base plate of the placement seat (101).

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