Filter pressing device for PTC (Positive Temperature Coefficient) thermistor material

Abstract

The utility model relates to the technical field of resistance material filter pressing, in particular to a filter pressing device for PTC (Positive Temperature Coefficient) thermistor materials, which comprises a tank body, a bottom plate, a bearing plate, a plurality of first air cylinders and a filter pressing mechanism, the filter pressing mechanism comprises a second air cylinder, a filter pressing plate, a filter plate, a clamping ring, a clamping groove, an annular plate, a support and a sealing ring, the bearing plate is provided with a plurality of water permeable holes. A second air cylinder pushes a filter pressing plate to press downwards, so that liquid leaks out from a plurality of water permeable holes, raw materials are filtered through a filter plate before leakage, solid raw materials are blocked above the filter plate, and then the liquid leaks out through the filter plate and the water permeable holes, so that the condition that the solid raw materials are extruded out from the water permeable holes is prevented, and the quality of the solid raw materials is improved. The raw materials are prevented from leaking from a gap between the bearing plate and the tank body through the cooperation of the annular plate and the slot, and the sealing effect between the bearing plate and the tank body is improved through the sealing ring, so that the filter pressing effect of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of filter pressing of resistor materials, in particular to a filter pressing device for PTC thermistor materials. Background Art

[0002] Resistors are usually called resistors and are the most widely used circuit components. PTC thermistors are semiconductor functional resistors with a positive temperature coefficient. Before the transition temperature, the resistance of PTC thermistors decreases as the temperature increases. When producing PTC thermistors, the raw materials need to be filtered to separate the solid and liquid.

[0003] When filtering the raw materials of PTC thermistor, a filter press is required. The existing filter press includes a bottom plate, a tank body, a carrier plate, a filter press mechanism and multiple cylinders. The tank body is fixed on the bottom plate, the filter press mechanism is arranged on the tank body, and the multiple cylinders drive the carrier plate to rise or fall. During filtering, the multiple cylinders drive the carrier plate to rise so that the carrier plate covers the bottom of the tank body. Then, the raw materials are drawn into the tank body. Then, the filter press mechanism filters the raw materials in the tank body to separate the solid and liquid in the raw materials of PTC thermistor. The solid after filtering remains on the top of the carrier plate, and the liquid after filtering flows out of the tank body. Finally, the multiple cylinders drive the carrier plate to fall so that the carrier plate is separated from the tank body, and the solid raw materials after filtering are carried on the top of the carrier plate.

[0004] However, currently during the filtration, part of the raw material will be squeezed out from the connection gap between the support plate and the tank body, thereby reducing the filtration effect of the device. Utility Model Content

[0005] The utility model aims to provide a filter pressing device for PTC thermistor materials, which solves the problem in the prior art that part of the raw materials are squeezed out from the connecting gap between the carrier plate and the tank body during filter pressing, thereby reducing the filter pressing effect of the device.

[0006] To achieve the above-mentioned purpose, the utility model provides a filter press device for PTC thermistor materials, comprising a tank body, a bottom plate, a bearing plate, a plurality of first cylinders and a filter press mechanism, wherein the filter press mechanism comprises a second cylinder, a filter press plate, a filter plate, a snap ring, a slot, an annular plate, a bracket and a sealing ring, wherein the bottom of the tank body has a slot, the bearing plate has a plurality of water-permeable holes, the plurality of first cylinders are respectively fixedly connected to the upper end of the bottom plate, the output ends of the plurality of first cylinders are respectively fixedly connected to the lower end of the bearing plate, and the snap ring is fixedly sleeved on the bearing plate. The outside of the plate, the slot is fixedly sleeved on the outside of the tank body, the annular plate is fixedly connected to the upper end of the supporting plate, the annular plate is adapted to the slot, the sealing ring is fixedly connected to the upper end of the supporting plate, and the sealing ring is in abutment contact with the inner wall of the tank body, the second cylinder is fixedly connected to the upper end of the tank body, the output end of the second cylinder passes through the tank body and is fixedly connected to the filter press plate, the filter plate is fixedly arranged on the upper end of the supporting plate, the bracket is fixedly connected to the upper end of the bottom plate, and the tank body is fixedly connected to the bracket.

[0007] The filter press device for PTC thermistor materials further comprises a feed pipe and a solenoid valve, wherein the feed pipe is connected to the left end of the tank body, and the solenoid valve is arranged on the feed pipe.

[0008] Wherein, the filter press device for PTC thermistor materials further comprises a plurality of moving wheels, wherein the plurality of moving wheels are respectively fixedly connected to the bottom plate and are respectively located around the bottom of the bottom plate.

[0009] Wherein, the filter press device for PTC thermistor material further comprises a water collecting box and a connecting unit, the water collecting box is connected to the connecting unit, and the connecting unit is arranged below the bottom plate.

[0010] Wherein, the connection unit includes a plurality of connection rods and a plurality of bolts, the plurality of connection rods are symmetrically arranged at the lower end of the base plate, and one ends of the plurality of bolts pass through the corresponding connection rods and are respectively located in the water collecting tank.

[0011] The utility model discloses a filter press device for PTC thermistor materials. The second cylinder pushes the filter press plate downward to press the raw material downward, so that the liquid leaks out from the plurality of water permeable holes. The raw material is filtered through the filter plate before leaking out, so that the solid raw material is blocked above the filter plate. The liquid then leaks out through the filter plate and the plurality of water permeable holes, so as to prevent the solid raw material from being squeezed out from the plurality of water permeable holes. The raw material is prevented from leaking out from the gap between the carrier plate and the tank body by the cooperation of the annular plate and the slot. The sealing effect between the carrier plate and the tank body is also improved by the sealing ring, so that the raw material can be further prevented from leaking out, thereby improving the filter press effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0014] Figure 2 It is an overall front view of the first embodiment of the utility model.

[0015] Figure 3 It is an overall cross-sectional view of the first embodiment of the utility model.

[0016] Figure 4 It is an overall structural diagram of the second embodiment of the utility model.

[0017] Figure 5 It is an overall front view of the second embodiment of the utility model.

[0018] Figure 6 It is an overall cross-sectional view of the second embodiment of the utility model.

[0019] 101-tank body, 102-bottom plate, 103-carrying plate, 104-first cylinder, 105-feeding pipe, 106-solenoid valve, 107-moving wheel, 108-second cylinder, 109-filter plate, 110-filter plate, 111-clamping ring, 112-slot, 113-annular plate, 114-sealing ring, 115-slot, 116-water permeable hole, 117-bracket, 201-water collecting tank, 202-connecting rod, 203-bolt. DETAILED DESCRIPTION

[0020] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0021] First embodiment:

[0022] See also Figures 1 to 3 ,in, Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model. Figure 2 It is a front view of the whole of the first embodiment of the utility model. Figure 3 It is an overall cross-sectional view of the first embodiment of the utility model.

[0023] The utility model provides a filter press device for PTC thermistor materials, comprising a tank body 101, a bottom plate 102, a bearing plate 103, a plurality of first cylinders 104, a filter press mechanism, a feed pipe 105, a solenoid valve 106 and a plurality of moving wheels 107, wherein the filter press mechanism comprises a second cylinder 108, a filter press plate 109, a filter plate 110, a retaining ring 111, a retaining groove 112, an annular plate 113, a bracket 117 and a sealing ring 114, the bottom of the tank body 101 is provided with a slot 115, and the bearing plate 103 is provided with a plurality of water permeable holes 116.

[0024] According to this specific embodiment, the second cylinder 108 pushes the filter press plate 109 downward to press the raw material downward, so that the liquid leaks out from the multiple water permeable holes 116, and the raw material is filtered by the filter plate 110 before leaking out, and the solid raw material is blocked above the filter plate 110, and then the liquid leaks out through the filter plate 110 and the multiple water permeable holes 116, thereby preventing the solid raw material from being squeezed out from the multiple water permeable holes 116, and the ring plate 113 is placed in cooperation with the slot 115. The raw material leaks out from the gap between the supporting plate 103 and the tank body 101, and the sealing effect between the supporting plate 103 and the tank body 101 is improved by the sealing ring 114, which can further prevent the raw material from leaking out, thereby improving the filtration effect of the device. Before filtration is required, the solenoid valve 106 is opened, the external delivery pipe is connected to the feed pipe 105, and then the raw material is delivered into the tank body 101 to facilitate subsequent filtration work. Through the cooperation of multiple moving wheels 107, it is convenient for the staff to push the device to move.

[0025] The plurality of first cylinders 104 are respectively fixedly connected to the upper end of the bottom plate 102, the output ends of the plurality of first cylinders 104 are respectively fixedly connected to the lower end of the carrier plate 103, the retaining ring 111 is fixedly sleeved on the outside of the carrier plate 103, the retaining groove 112 is fixedly sleeved on the outside of the tank body 101, the annular plate 113 is fixedly connected to the upper end of the carrier plate 103, the annular plate 113 is adapted to the retaining groove 112, the sealing ring 114 is fixedly sleeved on the outside of the tank body 101, and the sealing ring 114 is fixedly sleeved on the outer surface of the tank body 101. The upper end of the supporting plate 103 is fixedly connected, and the sealing ring 114 is in abutment contact with the inner wall of the tank body 101, the second cylinder 108 is fixedly connected to the upper end of the tank body 101, the output end of the second cylinder 108 passes through the tank body 101 and is fixedly connected to the filter plate 109, the filter plate 110 is fixedly arranged on the upper end of the supporting plate 103, the bracket 117 is fixedly connected to the upper end of the bottom plate 102, and the tank body 101 is fixedly connected to the bracket 117. The second cylinder 108 pushes the filter press plate 109 downward to squeeze the raw material downward, causing the liquid to leak out from the multiple water permeable holes 116, and the raw material is filtered through the filter plate 110 before leaking out, blocking the solid raw material above the filter plate 110, and then the liquid leaks out through the filter plate 110 and the multiple water permeable holes 116, thereby preventing the solid raw material from being squeezed out from the multiple water permeable holes 116, and the raw material is prevented from leaking out from the gap between the multiple water permeable holes 116 by the cooperation of the annular plate 113 and the slot 115, and the sealing effect between the carrier plate 103 and the tank body 101 is improved by the sealing ring 114, which can further prevent the raw material from leaking out, thereby improving the filter pressing effect of the device.

[0026] Secondly, the feed pipe 105 is connected to the left end of the tank body 101, and the solenoid valve 106 is arranged on the feed pipe 105. Before filter pressing is required, the solenoid valve 106 is opened, the external delivery pipe is connected to the feed pipe 105, and then the raw material is delivered into the tank body 101, so as to facilitate the subsequent filter pressing work.

[0027] At the same time, the plurality of moving wheels 107 are respectively fixedly connected to the bottom plate 102 and are respectively located around the bottom of the bottom plate 102. Through the cooperation of the plurality of moving wheels 107, it is convenient for the staff to push the device to move.

[0028] When the filter press device for PTC thermistor materials of the utility model is used, the filter press plate 109 is pushed downward by the second cylinder 108 to press the raw material downward, so that the liquid leaks out from the multiple water permeable holes 116, and the raw material is filtered by the filter plate 110 before leaking out, and the solid raw material is blocked above the filter plate 110, and then the liquid leaks out through the filter plate 110 and the multiple water permeable holes 116, thereby preventing the solid raw material from being squeezed out from the multiple water permeable holes 116, and the annular plate 113 and the slot The cooperation of 115 prevents the raw materials from leaking out from the gap between the supporting plate 103 and the tank body 101, and the sealing effect between the supporting plate 103 and the tank body 101 is improved by the sealing ring 114, which can further prevent the raw materials from leaking out, thereby improving the filtration effect of the device. Before filtration is required, the solenoid valve 106 is opened, the external delivery pipe is connected to the feed pipe 105, and then the raw materials are delivered into the tank body 101 to facilitate subsequent filtration work. Through the cooperation of multiple moving wheels 107, it is convenient for the staff to push the device to move.

[0029] Second embodiment:

[0030] Based on the first embodiment, please refer to Figures 4 to 6 ,in, Figure 4 It is a schematic diagram of the overall structure of the second embodiment of the utility model. Figure 5 It is an overall front view of the second embodiment of the utility model. Figure 6 It is an overall cross-sectional view of the second embodiment of the utility model.

[0031] The utility model provides a filter press device for PTC thermistor materials, which also comprises a water collecting box 201 and a connecting unit. The connecting unit comprises a plurality of connecting rods 202 and a plurality of bolts 203 .

[0032] According to this specific embodiment, the discharged liquid is collected by the water collecting box 201 to facilitate subsequent unified processing and recycling. When the water collecting box 201 has completed the collection and needs to be disassembled, the multiple bolts 203 can be screwed to separate the multiple bolts 203 from the water collecting box 201, thereby disassembling the water collecting box 201 to facilitate processing by the staff.

[0033] The water collecting tank 201 is connected to the connection unit, and the connection unit is arranged below the bottom plate 102. The discharged liquid is collected by the water collecting tank 201, so as to facilitate subsequent unified processing and recycling.

[0034] Secondly, the plurality of connecting rods 202 are symmetrically arranged at the lower end of the bottom plate 102, and one end of the plurality of bolts 203 respectively penetrates the corresponding connecting rods 202 and is respectively located in the water collecting box 201. When the water collecting box 201 is collected and needs to be disassembled, the plurality of bolts 203 can be screwed to separate the plurality of bolts 203 from the water collecting box 201, thereby disassembling the water collecting box 201, which is convenient for the staff to handle.

[0035] When using the filter press device for PTC thermistor materials of the utility model, the discharged liquid is collected by the water collecting box 201 to facilitate subsequent unified processing and recycling. When the water collecting box 201 has completed the collection and needs to be disassembled, the multiple bolts 203 can be screwed to separate the multiple bolts 203 from the water collecting box 201, thereby disassembling the water collecting box 201 to facilitate processing by staff.

[0036] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A filter press device for PTC thermistor material, characterized in that: It includes a tank body, a bottom plate, a bearing plate, a plurality of first cylinders and a filter pressing mechanism; The filter press mechanism includes a second cylinder, a filter press plate, a filter plate, a snap ring, a slot, an annular plate, a bracket and a sealing ring. The bottom of the tank body is provided with a slot, and the supporting plate is provided with a plurality of water-permeable holes. A plurality of the first cylinders are respectively fixedly connected to the upper end of the bottom plate, and the output ends of the plurality of the first cylinders are respectively fixedly connected to the lower end of the supporting plate, the snap ring is fixedly sleeved on the outside of the supporting plate, the slot is fixedly sleeved on the outside of the tank body, the annular plate is fixedly connected to the upper end of the supporting plate, the annular plate is adapted to the slot, the sealing ring is fixedly connected to the upper end of the supporting plate, and the sealing ring is in abutment contact with the inner wall of the tank body, the second cylinder is fixedly connected to the upper end of the tank body, the output end of the second cylinder passes through the tank body and is fixedly connected to the filter press plate, the filter plate is fixedly arranged on the upper end of the supporting plate, the bracket is fixedly connected to the upper end of the bottom plate, and the tank body is fixedly connected to the bracket.

2. The filter press device for PTC thermistor material according to claim 1, characterized in that: The filter press device for PTC thermistor materials also includes a feed pipe and a solenoid valve. The feed pipe is connected to the left end of the tank body, and the solenoid valve is arranged on the feed pipe.

3. The filter press device for PTC thermistor material according to claim 2, characterized in that: The filter press device for PTC thermistor materials also includes a plurality of moving wheels, which are respectively fixedly connected to the bottom plate and are respectively located around the bottom of the bottom plate.

4. The filter press device for PTC thermistor material according to claim 3, characterized in that: The filter press device for PTC thermistor material further comprises a water collecting box and a connecting unit, wherein the water collecting box is connected to the connecting unit, and the connecting unit is arranged below the bottom plate.

5. The filter press device for PTC thermistor material according to claim 4, characterized in that: The connection unit includes a plurality of connection rods and a plurality of bolts. The plurality of connection rods are symmetrically arranged at the lower end of the bottom plate, and one end of the plurality of bolts passes through the corresponding connection rods and are respectively located in the water collecting tank.

Images