CN210100813U - Quick preheating device of hot pressing die - Google Patents
Quick preheating device of hot pressing die Download PDFInfo
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- CN210100813U CN210100813U CN201920521767.7U CN201920521767U CN210100813U CN 210100813 U CN210100813 U CN 210100813U CN 201920521767 U CN201920521767 U CN 201920521767U CN 210100813 U CN210100813 U CN 210100813U
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Abstract
The utility model relates to a hot pressing die rapid preheating device, which comprises a track, a frame, a plurality of hot pressing dies, a plurality of sliding plates, a plurality of connecting pipes, a heat medium heating box, an oil pump and a plurality of electromagnetic valves; the track is laid on the ground below the rack, the lower part of the rack is provided with a guide groove corresponding to the extending direction of the track, each hot pressing mold is respectively placed on a sliding plate, and the sliding plates can be arranged on the track along the guide grooves in a sliding manner; a preheating medium cavity is arranged in each hot-pressing die side wall; the heat medium heating box is arranged at the upper part of the rack, a preheating medium is contained in the heat medium heating box, and a thermal resistor and a temperature sensor are arranged in the heat medium heating box; the two ends of the heat medium heating box are respectively provided with a heat material port and a return material port, the heat material port and the return material port are respectively communicated with a preheating medium cavity of the hot-pressing die positioned on the two sides of the frame through connecting pipes, and the oil pump is connected in the connecting pipe at the return material port; and the connecting pipes corresponding to the preheating medium cavities of the hot-pressing dies are respectively provided with an electromagnetic valve.
Description
Technical Field
The utility model relates to a hot pressing die quick preheating device.
Background
Before the hot-pressing die is put into use, the hot-pressing die needs to be preheated, so that the condition that the material is deformed inconsistently due to uneven cold and hot of each part of the material due to heat absorption of the material by the die is avoided; in the prior art, when a hot-pressing die needs to be replaced, an original hot-pressing die is detached after a hot oil pipeline on a machine tool is cut off, a new die is replaced on the machine tool, then the pipeline is connected, the hot-pressing die is heated to finish preheating operation, the machine tool cannot perform production operation in the preheating process, and the use efficiency of the machine tool is low.
Disclosure of Invention
The utility model aims to solve prior art hot pressing lathe because the mould needs preheating time and the problem that operating efficiency is low specifically realizes by following technical scheme:
a hot pressing die rapid preheating device comprises a track, a rack, a plurality of hot pressing dies, a plurality of sliding plates, a plurality of connecting pipes, a heat medium heating box, an oil pump and a plurality of electromagnetic valves; the track is laid on the ground below the rack, the lower part of the rack is provided with a guide groove corresponding to the extending direction of the track, each hot pressing mold is respectively placed on a sliding plate, and the sliding plates can be arranged on the track along the guide grooves in a sliding manner; a preheating medium cavity is arranged in each hot-pressing die side wall; the heat medium heating box is arranged at the upper part of the rack, a preheating medium is contained in the heat medium heating box, and a thermal resistor and a temperature sensor are arranged in the heat medium heating box; the two ends of the heat medium heating box are respectively provided with a heat material port and a return material port, the heat material port and the return material port are respectively communicated with a preheating medium cavity of the hot-pressing die positioned on the two sides of the frame through connecting pipes, and the oil pump is connected in the connecting pipe at the return material port; and the connecting pipes corresponding to the preheating medium cavities of the hot-pressing dies are respectively provided with an electromagnetic valve.
The quick preheating device for the hot pressing mold is further designed in that a positioning ring matched with the bottom surface of the hot pressing mold is arranged at the side edge part of the upper side surface of the sliding plate, and the hot pressing mold is placed in the positioning ring.
The rapid preheating device for the hot pressing die is further designed in that the bottom side surface of the sliding plate is connected with a roller, and the roller slides in the groove-shaped track.
The hot-pressing die rapid preheating device is further designed in that the preheating medium cavity is communicated with a feeding hole and a discharging hole which are formed in the side walls of two ends of the die, the feeding hole and the discharging hole are respectively connected with an inserting pipe, a fixed cylinder and a linear driving mechanism, the fixed cylinder is fixedly connected to the side walls of the two ends of the die, the side wall of the fixed cylinder is provided with a hole, and the hole is provided with a medium pipe communicated with the feeding hole or the discharging hole; the upper end of the fixed cylinder is provided with an opening, the linear driving mechanism is arranged on one side of the fixed cylinder, which is far away from the die, the upper part of the insertion pipe is connected with the linear driving mechanism, the lower end of the insertion pipe is opposite to the opening of the fixed cylinder, and the lower part of the insertion pipe is inserted into or separated from the fixed cylinder under the action of the linear driving mechanism; the lower end of the insertion pipe is a blind end, the upper end of the insertion pipe is connected with a hose connected with a preheating medium source, and the side wall of the insertion pipe is provided with a communicating hole.
The hot-pressing die rapid preheating device is further designed in that a sealing sleeve elastically connected with the splicing pipe is sleeved on the splicing pipe in a hooping way, and when the sealing sleeve slides relative to the splicing pipe, the sealing sleeve seals or opens the communicating hole on the side wall of the splicing pipe; the upper part of the sealing sleeve is provided with a clamping ring which transversely extends in the fixed cylinder, the inner wall of the fixed cylinder is provided with a limiting ring which is opposite to the clamping ring, and the outer diameter of the clamping ring is larger than the inner diameter of the limiting ring; when the plug pipe moves downwards, the clamping ring abuts against the limiting ring to enable the sealing sleeve to slide upwards relative to the plug pipe, and the communication hole in the side wall of the plug pipe is opened.
The hot-pressing die rapid preheating device is further designed in that an end cover capable of being buckled with an upper port of the fixed cylinder is arranged at the upper part of the insertion pipe, a spring is sleeved on a hoop at the upper part of the insertion pipe, the upper end of the spring abuts against the lower side of the end cover, and the lower end of the spring abuts against the clamping ring, so that the sealing sleeve is elastically connected to the insertion pipe; the upper side of the limiting ring is provided with a sealing ring, and when the insertion pipe is inserted into the fixed cylinder, the clamping ring is abutted against the sealing ring under the elastic action of the spring.
The hot-pressing die rapid preheating device is further designed in that the outer wall of the lower part of the insertion pipe is provided with a contact ring positioned below the communication hole; the interference ring is opposite to the lower end of the sealing sleeve.
The hot-pressing die rapid preheating device is further designed in that the lower end of the insertion pipe is connected with a guide post, the inner wall of the bottom of the fixed cylinder is provided with a guide hole, and the guide post can be inserted into the guide hole.
The hot-pressing die rapid preheating device is further designed in that the linear driving mechanism is a hydraulic cylinder which is vertically arranged on one side of the fixed cylinder, and the output end of the hydraulic cylinder is connected with the upper part of the splicing pipe through a horizontally arranged cross rod; the hydraulic cylinder is far away from one side of the insertion pipe is vertically provided with a guide rod, one end of the cross rod, which is far away from the insertion pipe, is provided with a guide sleeve, and the guide sleeve can be sleeved on the guide rod in a vertically sliding mode.
The rapid preheating device for the hot pressing mold is further designed in that a plurality of protruding parts used for increasing the area of the inner wall of the upper side of the preheating medium cavity are arranged on the inner wall of the upper side of the preheating medium cavity.
The beneficial effects of the utility model reside in that:
by utilizing the utility model, other hot-pressing dies can be preheated in advance while the machine tool works normally, thereby improving the working efficiency of the machine tool; the sliding plate is utilized to move the hot-pressing die, so that the operation is convenient, the hot-pressing die can be accurately positioned at the lower part of the rack through the sliding plate, and the hot-pressing die is convenient to be inserted into a corresponding pipeline during preheating operation.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
Fig. 2 is the schematic structural view of the hot pressing mold of the present invention.
Fig. 3 is a partial structure schematic diagram of the insertion tube and the fixed cylinder.
Detailed Description
The invention is further described with reference to the drawings and examples in the following description:
as shown in the figure, the hot-pressing die rapid preheating device comprises a track 1, a rack 2, a plurality of hot-pressing dies 3, a plurality of sliding plates 4, a plurality of connecting pipes, a heat medium heating box 5, an oil pump 6 and a plurality of electromagnetic valves 7; the track is laid on the ground below the rack, the lower part of the rack is provided with a guide groove corresponding to the extending direction of the track, each hot pressing mold is respectively placed on a sliding plate, and the sliding plate 4 can be arranged on the track along the guide groove in a sliding manner; a preheating medium cavity is arranged in each hot-pressing die side wall; the heat medium heating box is arranged at the upper part of the rack, the heat medium heating box contains a preheating medium, and a thermal resistor 51 and a temperature sensor 52 are arranged in the heat medium heating box; the two ends of the heat medium heating box are respectively provided with a heat material port and a return material port, the heat material port and the return material port are respectively communicated with a preheating medium cavity of a hot-pressing die positioned at the lower part of the frame through connecting pipes, and the oil pump 6 is connected in the connecting pipe at the return material port; the connecting pipes corresponding to the preheating medium cavities of the hot-pressing dies are respectively provided with an electromagnetic valve 7.
During operation, the heat medium heating box heats the preheating medium, and when the temperature sensor detects that the temperature reaches a set value, the circuit of the thermal resistor is disconnected or the operation power of the thermal resistor is reduced, so that the temperature of the preheating medium in the heat medium heating box is basically kept at the set value, and the preheating medium can be general heat conducting oil; the oil pump pumps the preheating medium out of the preheating medium cavities flowing through the hot pressing dies, so that the hot pressing dies are preheated and kept at set temperature values, when the hot pressing dies are required to be used, the corresponding pipelines are disconnected by the electromagnetic valve, the sliding plate is dragged, the hot pressing dies are moved to the position near a machine tool, and subsequent operation and installation are facilitated.
The side edge part of the upper side surface of the sliding plate 4 is provided with a positioning ring 41 which is matched with the bottom surface of a hot-pressing die, and the hot-pressing die is placed in the positioning ring.
The bottom side of the sliding plate 4 is connected with a roller 42 which slides in the groove-shaped track 1.
The preheating medium cavity 31 is communicated with a feeding hole and a discharging hole which are arranged on the side walls of two ends of the die, the feeding hole and the discharging hole are respectively connected with an inserting pipe 32, a fixed cylinder 33 and a linear driving mechanism 34, the fixed cylinder is fixedly connected with the side walls of the two ends of the die, the side wall of the fixed cylinder is provided with a hole, and a medium pipe 37 communicated with the feeding hole or the discharging hole is arranged at the hole; the upper end of the fixed cylinder is provided with an opening, the linear driving mechanism is arranged on one side of the fixed cylinder, which is far away from the die, the upper part of the insertion pipe is connected with the linear driving mechanism, the lower end of the insertion pipe is opposite to the opening of the fixed cylinder, and the lower part of the insertion pipe is inserted into or separated from the fixed cylinder under the action of the linear driving mechanism; the lower end of the insertion pipe is a blind end, the upper end of the insertion pipe is connected with a hose 36 connected with a preheating medium source, and the side wall of the insertion pipe is provided with a communicating hole 321.
The splicing pipe is sleeved with a sealing sleeve 35 elastically connected with the splicing pipe, and when the sealing sleeve slides relative to the splicing pipe, the sealing sleeve seals or opens the communicating hole 321 on the side wall of the splicing pipe.
The upper part of the sealing sleeve 35 is provided with a clamping ring 351 which transversely extends in a fixed cylinder, the inner wall of the fixed cylinder is provided with a limiting ring 331 opposite to the clamping ring, and the outer diameter of the clamping ring is larger than the inner diameter of the limiting ring; when the plug pipe moves downwards, the clamping ring abuts against the limiting ring to enable the sealing sleeve to slide upwards relative to the plug pipe, and the communication hole in the side wall of the plug pipe is opened.
The upper portion of the insertion pipe 32 is provided with an end cover 322 which can be buckled with an upper port of the fixed cylinder, the upper portion of the insertion pipe is sleeved with a spring 323 in a hooped mode, the upper end of the spring abuts against the lower side of the end cover, and the lower end of the spring abuts against the clamping ring, so that the sealing sleeve is elastically connected to the insertion pipe.
Above-mentioned structure for when the pipe of pegging graft gets into the solid fixed cylinder, the intercommunicating pore of the pipe lateral wall of pegging graft is the open mode, and when the pipe of pegging graft left the solid fixed cylinder, the intercommunicating pore was blocked, and the drip preheated the situation of medium when having avoided the pipe of pegging graft to leave the solid fixed cylinder, especially then, when the valve on the outside hose was stopped, the seal cover can effectively organize the higher conduction oil of viscosity to drip. The upper side of spacing ring is provided with sealing washer 332, when the grafting pipe peg graft in fixed cylinder, the card is held the ring and is held and contradict under the spring force effect of spring in the sealing washer. Correspondingly, when the pressure of the heat conduction oil fluctuates, the phenomenon that the heat conduction oil overflows from the upper port of the fixed cylinder is avoided due to the sealing effect formed by the elastic force of the spring loaded between the clamping ring and the limiting ring.
The outer wall of the lower part of the insertion pipe is provided with a contact ring 324 positioned below the communication hole; the interference ring is opposite to the lower end of the sealing sleeve. The structure of the interference ring can prevent the sealing sleeve from being separated from the plug tube.
The lower extreme of grafting pipe is connected with the guide post, the bottom inner wall of fixed section of thick bamboo is provided with the guiding hole, the guide post can peg graft in the guiding hole.
The linear driving mechanism 34 is a hydraulic cylinder which is vertically arranged on one side of the fixed cylinder, and the output end of the hydraulic cylinder is connected with the upper part of the insertion pipe through a horizontal cross rod 341 which is horizontally arranged; one side of the hydraulic cylinder, which is far away from the insertion pipe, is vertically provided with a guide rod 343, one end of the cross rod, which is far away from the insertion pipe, is provided with a guide sleeve 342, and the guide sleeve is sleeved on the guide rod in a hooping manner capable of sliding up and down.
The inner wall of the upper side of the preheating medium cavity 31 is provided with a plurality of convex parts 311 for increasing the area of the inner wall of the upper side of the preheating medium cavity.
Claims (10)
1. A rapid preheating device for hot pressing dies is characterized by comprising a rail, a rack, a plurality of hot pressing dies, a plurality of sliding plates, a plurality of connecting pipes, a heat medium heating box, an oil pump and a plurality of electromagnetic valves; the track is laid on the ground below the rack, the lower part of the rack is provided with a guide groove corresponding to the extending direction of the track, each hot pressing mold is respectively placed on a sliding plate, and the sliding plates can be arranged on the track along the guide grooves in a sliding manner; a preheating medium cavity is arranged in each hot-pressing die side wall; the heat medium heating box is arranged at the upper part of the rack, a preheating medium is contained in the heat medium heating box, and a thermal resistor and a temperature sensor are arranged in the heat medium heating box; the two ends of the heat medium heating box are respectively provided with a heat material port and a return material port, the heat material port and the return material port are respectively communicated with a preheating medium cavity of the hot-pressing die positioned on the two sides of the frame through connecting pipes, and the oil pump is connected in the connecting pipe at the return material port; and the connecting pipes corresponding to the preheating medium cavities of the hot-pressing dies are respectively provided with an electromagnetic valve.
2. The rapid preheating device for hot-pressing dies according to claim 1, wherein a positioning ring adapted to the bottom surface of the hot-pressing die is arranged at the side edge part of the upper side surface of the sliding plate, and the hot-pressing die is placed in the positioning ring.
3. The rapid preheating device for hot pressing dies according to claim 1, wherein the bottom side surface of the sliding plate is connected with a roller which slides in the groove-shaped track.
4. The rapid preheating device for the hot-pressing mold according to claim 1, wherein the preheating medium cavity is communicated with a feeding hole and a discharging hole which are arranged on the side walls of two ends of the mold, the feeding hole and the discharging hole are respectively connected with a splicing pipe, a fixed cylinder and a linear driving mechanism, the fixed cylinder is fixedly connected with the side walls of two ends of the mold, the side walls of the fixed cylinder are provided with holes, and the holes are provided with medium pipes communicated with the feeding hole or the discharging hole; the upper end of the fixed cylinder is provided with an opening, the linear driving mechanism is arranged on one side of the fixed cylinder, which is far away from the die, the upper part of the insertion pipe is connected with the linear driving mechanism, the lower end of the insertion pipe is opposite to the opening of the fixed cylinder, and the lower part of the insertion pipe is inserted into or separated from the fixed cylinder under the action of the linear driving mechanism; the lower end of the insertion pipe is a blind end, the upper end of the insertion pipe is connected with a hose connected with a preheating medium source, and the side wall of the insertion pipe is provided with a communicating hole.
5. The rapid preheating device for the hot pressing mold according to claim 4, wherein the splicing tube is sleeved with a sealing sleeve elastically connected with the splicing tube, and when the sealing sleeve slides relative to the splicing tube, the sealing sleeve seals or opens the communication hole on the side wall of the splicing tube; the upper part of the sealing sleeve is provided with a clamping ring which transversely extends in the fixed cylinder, the inner wall of the fixed cylinder is provided with a limiting ring which is opposite to the clamping ring, and the outer diameter of the clamping ring is larger than the inner diameter of the limiting ring; when the plug pipe moves downwards, the clamping ring abuts against the limiting ring to enable the sealing sleeve to slide upwards relative to the plug pipe, and the communication hole in the side wall of the plug pipe is opened.
6. The rapid preheating device for the hot pressing mold according to claim 5, wherein the upper part of the insertion tube is provided with an end cover capable of being buckled with the upper port of the fixed cylinder, the upper hoop of the insertion tube is sleeved with a spring, the upper end of the spring abuts against the lower side of the end cover, and the lower end of the spring abuts against the clamping ring, so that the sealing sleeve is elastically connected to the insertion tube; the upper side of the limiting ring is provided with a sealing ring, and when the insertion pipe is inserted into the fixed cylinder, the clamping ring is abutted against the sealing ring under the elastic action of the spring.
7. The rapid preheating device for hot pressing dies according to claim 6, wherein the outer wall of the lower part of the insertion pipe is provided with a contact ring positioned below the communication hole; the interference ring is opposite to the lower end of the sealing sleeve.
8. The hot pressing die rapid preheating device according to claim 4, wherein the lower end of the insertion pipe is connected with a guide post, the inner wall of the bottom of the fixed cylinder is provided with a guide hole, and the guide post can be inserted into the guide hole.
9. The hot pressing die rapid preheating device according to claim 4, wherein the linear driving mechanism is a hydraulic cylinder which is vertically arranged at one side of the fixed cylinder, and the output end of the hydraulic cylinder is connected with the upper part of the insertion pipe through a horizontally arranged cross rod; the hydraulic cylinder is far away from one side of the insertion pipe is vertically provided with a guide rod, one end of the cross rod, which is far away from the insertion pipe, is provided with a guide sleeve, and the guide sleeve can be sleeved on the guide rod in a vertically sliding mode.
10. The rapid preheating device for hot-pressing dies according to claim 4, wherein the inner wall of the upper side of the preheating medium cavity is provided with a plurality of protrusions for increasing the area of the inner wall of the upper side of the preheating medium cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920521767.7U CN210100813U (en) | 2019-04-17 | 2019-04-17 | Quick preheating device of hot pressing die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920521767.7U CN210100813U (en) | 2019-04-17 | 2019-04-17 | Quick preheating device of hot pressing die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210100813U true CN210100813U (en) | 2020-02-21 |
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ID=69536828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920521767.7U Active CN210100813U (en) | 2019-04-17 | 2019-04-17 | Quick preheating device of hot pressing die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210100813U (en) |
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2019
- 2019-04-17 CN CN201920521767.7U patent/CN210100813U/en active Active
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