A large machine tool metal part stress relief tempering device

Abstract

The application discloses a large machine tool metal part stress relieving and tempering device, which comprises a supporting leg, a tempering furnace is fixedly connected to the top of the supporting leg, a door is hingedly connected to the front bottom middle of the tempering furnace, a lifting mechanism is arranged on the inner top of the tempering furnace, an electromagnetic heating plate is fixedly connected to the inner middle of the tempering furnace, a pressure releasing mechanism is arranged on the inner bottom of the tempering furnace, a ventilation mechanism is arranged on the left side of the tempering furnace, a dust removal mechanism is arranged on the bottom of the pressure releasing mechanism, and the lifting mechanism comprises an electric telescopic rod one, a lifting plate, a protection block, an electric telescopic rod two, a moving block and a clamping base.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of metal processing, in particular to a large machine tool metal part stress relief tempering device. BACKGROUND

[0002] A lathe is a machine tool primarily used to turn workpieces on a rotating workpiece. On the lathe, drill bits, reamers, reamers, taps, dies and knurling tools can be used for corresponding processing. The lathe is mainly used for machining shafts, discs, sleeves and other rotating surfaces, and is the most widely used machine tool in mechanical manufacturing and repair factories.

[0003] When the machine tool is produced, the bed needs to be machined, the bed is rectangular in shape, and needs to be tempered during machining. Tempering is to reduce the brittleness of the steel part, and the quenched steel part is kept at a certain appropriate temperature for a long time, and then cooled. This process is called tempering. The metal is stress relieved during tempering. The existing tempering furnace needs to be cooled and hammered to reduce internal stress, which increases the burden of manual work. This problem needs to be improved.

[0004] Therefore, it is necessary to design a large machine tool metal part stress relief tempering device which has strong practicability and can remove dust adhered to the knocking surface when the knocking head is knocked, so as to avoid affecting the next machining work. SUMMARY

[0005] The purpose of the present application is to provide a large machine tool metal part stress relief tempering device to solve the problems in the background art.

[0006] In order to solve the above technical problems, the present application provides the following technical scheme: a large machine tool metal part stress relief tempering device, comprising a supporting leg, the top of the supporting leg is fixedly connected with a tempering furnace, the front bottom of the tempering furnace is hingedly connected with a door in the middle, the inner top of the tempering furnace is provided with a lifting mechanism, the inner middle of the tempering furnace is fixedly connected with an electromagnetic heating plate, the inner bottom of the tempering furnace is provided with a pressure relief mechanism, the left side of the tempering furnace is provided with a ventilation mechanism, and the bottom of the pressure relief mechanism is provided with a dust removal mechanism.

[0007] The lifting mechanism comprises an electric telescopic rod one, a lifting plate, a protection block, an electric telescopic rod two, a moving block and a clamping base, the electric telescopic rod one is fixedly connected to the inner top right side of the tempering furnace, the lifting plate is fixedly connected to the bottom of the electric telescopic rod one, the protection block is fixedly connected to the top left side front end of the lifting plate, the electric telescopic rod two is fixedly connected to the inner right side of the protection block, the moving block is fixedly connected to the left end of the electric telescopic rod two, and the clamping base is fixedly connected to the bottom of the moving block.

[0008] According to the technical scheme, the pressure releasing mechanism comprises a partition plate, a spring one, a bottom plate, a lower pressing block, a fixing rod, an L-shaped plate, a turnover plate, a fixing frame, a spring two, a connecting plate and a knocking head, the partition plate is fixedly connected to the left and right sides near the bottom of the tempering furnace, the spring one is fixedly connected to the top right side of the partition plate, the bottom plate is fixedly connected to the top end of the spring one, the lower pressing block is fixedly connected to the bottom left side of the bottom plate, the fixing rod is arranged at the lower left corner of the tempering furnace, the L-shaped plate is hingedly connected to the middle part of the fixing rod through a torsion spring hinge, the turnover plate is fixedly connected to the top of the L-shaped plate, the fixing frame is fixedly connected to the top right side rear end of the turnover plate, the spring two is fixedly connected to the top right side of the turnover plate, the connecting plate is fixedly connected to the right end of the spring two, and the knocking head is fixedly connected to the right side of the connecting plate.

[0009] According to the technical scheme, the ventilation mechanism comprises a control box, a spring three, a wind baffle, a pressing plate and a top plate, the control box is fixedly connected to the left side near the bottom of the tempering furnace, the spring three is fixedly connected to the top of the control box, the wind baffle is fixedly connected to the bottom end of the spring three, the pressing plate is fixedly connected to the bottom of the wind baffle, and the top plate is fixedly connected to the bottom left side of the L-shaped plate.

[0010] According to the technical scheme, the dust removal mechanism comprises a connecting rod, an extrusion plate, an air bag, a connecting hose and a jet port, the connecting rod is fixedly connected to the bottom left side near the middle of the bottom plate, the extrusion plate is fixedly connected to the bottom end of the connecting rod, the air bag is fixedly connected to the top left side of the extrusion plate, the connecting hose is fixedly connected to the left side of the air bag, and the jet port is fixedly connected to the right side near the top of the turnover plate.

[0011] According to the technical scheme, the left side of the control box, the left side of the wind baffle, the right side of the control box and the left side of the tempering furnace are arranged on the same horizontal line and are provided with a ventilation groove one in communication, the bottom of the left side of the tempering furnace is provided with a ventilation groove two, the bottom of the right side of the control box and the inner wall of the left side of the tempering furnace are provided with a rectangular groove in communication, and the wind baffle is provided with a ventilation groove three, the size of the ventilation groove three is the same as that of the ventilation groove one, so that the air in the tempering furnace can be circulated, and the heat dissipation efficiency is further improved.

[0012] According to the technical scheme, the front and back of the connecting plate are fixedly connected with moving rings, the middle part of the moving ring is slidingly connected with the fixing frame, and the connecting plate can be more stable during movement.

[0013] According to the technical scheme, the bottom end of the connecting rod penetrates through the top of the partition plate and extends to the bottom of the partition plate to fixedly connect the extrusion plate, the connecting rod is slidingly connected with the partition plate, the air bag is provided with a spring four in a compressed state, and the air bag can be unfolded along with the movement of the connecting rod.

[0014] According to the above technical scheme, the connecting hose is communicated with the inner top of the turnover plate, the air inlet pipe is arranged in the middle of the top of the back of the air bag, and the one-way valve is arranged in the air inlet pipe, the input end of the one-way valve is the back, and the inside of the air bag can be inflated.

[0015] Compared with the prior art, the present application has the following advantages:

[0016] 1. According to the present application, when the heating is completed, the bed body can be moved downward by using the electric telescopic rod one, then when the bed body is on the top of the bottom plate, the clamping base can be separated from the bed body by using the electric telescopic rod two, so that the bed body falls to the top of the bottom plate, at this time, the spring is pressed down, the lower pressing block at the bottom of the bottom plate is pressed down, and impact is caused to the L-shaped plate, at this time, the L-shaped plate is rotated by the torsional spring, and the right side of the fixing frame contacts the bed body, under the impact of inertia, the spring two is stretched, and the knocking head on the right end connecting plate of the spring two knocks the bed body, so that the stress release can be accelerated.

[0017] 2. According to the present application, when the bottom plate is pressed down, the pressing plate moves downward at this time, and the spring three is stretched, so that the air baffle moves to make the ventilation groove three and the ventilation groove one be in the same horizontal line, and the ventilation groove three and the ventilation groove one are communicated, so that the temperature dissipation rate inside the tempering furnace can be accelerated, when the electric telescopic rod one controls the bed body to heat, the spring three automatically rebounds, at this time, the ventilation groove three and the ventilation groove one are not in the same horizontal line, so that the inside of the tempering furnace is sealed, and the heating rate can be ensured when heating.

[0018] 3. According to the present application, when the bottom plate moves downward, the air inlet pipe at the top of the back of the air bag sucks air, when the tempering work is completed, the air in the air bag is blown out through the air outlet, so that the dust adhered to the knocking surface when the knocking head knocks can be removed, and the influence on the next processing work can be avoided. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, and are used together with embodiments of the present application to explain the present application, and do not constitute a limitation on the present application. In the drawings:

[0020] Figure 1 is a schematic diagram of the overall structure of the present application;

[0021] Figure 2 is a schematic diagram of the internal structure of the tempering furnace of the present application;

[0022] Figure 3 is a schematic diagram of the explosion structure of the electric telescopic rod two of the present application;

[0023] Figure 4 is a schematic diagram of the structure at the lifting plate of the present application;

[0024] Figure 5 is the structure schematic diagram of the air outlet of the present application;

[0025] Figure 6 is the structure schematic diagram of the wind shield of the present application;

[0026] Figure 7 is the structure schematic diagram of the turnover plate of the present application;

[0027] Figure 8 is Figure 7 is the enlarged structure schematic diagram of A in the figure.

[0028] In the figure: 1, support foot; 2, annealing furnace; 3, door; 4, lifting mechanism; 401, electric telescopic rod one; 402, lifting plate; 403, protection block; 404, electric telescopic rod two; 405, moving block; 406, clamping base; 5, electromagnetic heating plate; 6, pressure releasing mechanism; 601, partition; 602, spring one; 603, bottom plate; 604, pressing block; 605, fixed rod; 606, L-shaped plate; 607, turnover plate; 608, fixed frame; 609, spring two; 610, connecting plate; 611, knocking head; 7, ventilation mechanism; 701, control box; 702, spring three; 703, wind shield; 704, pressing plate; 705, top plate; 8, dust removal mechanism; 801, connecting rod; 802, extrusion plate; 803, air bag; 804, connecting hose; 805, air outlet. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work belong to the scope of protection of the present application.

[0030] Please refer to Figures 1-8 The present application provides a technical solution: a large machine tool metal part stress relief annealing device, which comprises a support foot 1, the top of the support foot 1 is fixedly connected with an annealing furnace 2, the front bottom of the annealing furnace 2 is hingedly connected with a door 3 in the middle, a lifting mechanism 4 is arranged on the top inside the annealing furnace 2, an electromagnetic heating plate 5 is fixedly connected in the middle of the annealing furnace 2, a pressure releasing mechanism 6 is arranged near the bottom of the annealing furnace 2, a ventilation mechanism 7 is arranged on the left side of the annealing furnace 2, and a dust removal mechanism 8 is arranged at the bottom of the pressure releasing mechanism 6.

[0031] The lifting mechanism 4 comprises an electric telescopic rod 401, a lifting plate 402, a protection block 403, an electric telescopic rod 404, a moving block 405 and a clamping base 406, the electric telescopic rod 401 is fixedly connected to the top right side in the annealing furnace 2, the lifting plate 402 is fixedly connected to the bottom of the electric telescopic rod 401, the protection block 403 is fixedly connected to the top left side front end of the lifting plate 402, the electric telescopic rod 404 is fixedly connected to the right side in the protection block 403, the moving block 405 is fixedly connected to the left end of the electric telescopic rod 404, and the clamping base 406 is fixedly connected to the bottom of the moving block 405.

[0032] The pressure releasing mechanism 6 comprises a partition plate 601, a spring 602, a bottom plate 603, a pressing block 604, a fixed rod 605, an L-shaped plate 606, a turnover plate 607, a fixed frame 608, a spring 609, a connecting plate 610 and a knocking head 611, the partition plate 601 is fixedly connected to the left and right sides near the bottom in the annealing furnace 2, the spring 602 is fixedly connected to the top right side front end of the partition plate 601, the bottom plate 603 is fixedly connected to the top end of the spring 602, the pressing block 604 is fixedly connected to the bottom left side of the bottom plate 603, the fixed rod 605 is arranged at the lower left corner in the annealing furnace 2, the L-shaped plate 606 is hingedly connected to the middle part of the fixed rod 605 through a torsion spring hinge, the turnover plate 607 is fixedly connected to the top of the L-shaped plate 606, the fixed frame 608 is fixedly connected to the right side top rear end of the turnover plate 607, the spring 609 is fixedly connected to the right side top of the turnover plate 607, the connecting plate 610 is fixedly connected to the right end of the spring 609, the knocking head 611 is fixedly connected to the right side of the connecting plate 610, and the front and back surfaces of the connecting plate 610 are fixedly connected with moving rings, the middle part of the moving ring is slidingly connected with the fixed frame 608, so that the connecting plate 610 is more stable during movement.

[0033] The ventilation mechanism 7 comprises a control box 701, a spring 702, a wind baffle 703, a pressing plate 704 and a top plate 705, the control box 701 is fixedly connected to the left side near the bottom of the annealing furnace 2, the spring 702 is fixedly connected to the top in the control box 701, the wind baffle 703 is fixedly connected to the bottom end of the spring 702, the pressing plate 704 is fixedly connected to the bottom of the wind baffle 703, the top plate 705 is fixedly connected to the bottom left side of the L-shaped plate 606, the left side of the control box 701, the left side of the wind baffle 703, the right side of the control box 701 and the left side of the annealing furnace 2 are provided with ventilation grooves 1 which are connected in communication on the same horizontal line, the left bottom of the annealing furnace 2 is provided with a ventilation groove 2, the right bottom of the control box 701 and the left inner wall of the annealing furnace 2 are provided with a rectangular groove which is connected in communication, the wind baffle 703 is provided with a ventilation groove 3, the size of the ventilation groove 3 is same with that of the ventilation groove 1, so that the air in the annealing furnace 2 can be circulated, and the heat dissipation efficiency is further improved.

[0034] The dust removal mechanism 8 comprises a connecting rod 801, an extrusion plate 802, an air bag 803, a connecting hose 804 and a gas injection port 805, the connecting rod 801 is fixedly connected to the bottom left side near the middle of the bottom plate 603, the extrusion plate 802 is fixedly connected to the bottom end of the connecting rod 801, the air bag 803 is fixedly connected to the top left side of the extrusion plate 802, the connecting hose 804 is fixedly connected to the left side of the air bag 803, the gas injection port 805 is fixedly connected to the right side near the top of the turnover plate 607, the connecting hose 804 is in communication with the inner top of the turnover plate 607, the air bag 803 is provided with an air inlet pipe on the back top middle, a one-way valve is arranged in the air inlet pipe, the input end of the one-way valve is the back, the inside of the air bag 803 can be inflated, the bottom end of the connecting rod 801 penetrates through the top of the partition plate 601 and extends to the bottom of the partition plate 601 to fixedly connect the extrusion plate 802, and the connecting rod 801 is slidingly connected to the partition plate 601, the air bag 803 is provided with a spring four, the spring four is in a compressed state, and the air bag 803 can be unfolded along with the movement of the connecting rod 801.

[0035] In use, when tempering work is needed, open the door 3, place the bed body under the lifting plate 402, then open the electric telescopic rod two 404, make the electric telescopic rod two 404 work to push the moving block 405 to move, and then make the clamping base 406 move to the bottom of the bed body to support the bed body, then use the electric telescopic rod one 401 to move the bed body to the electromagnetic heating plate 5, open the electromagnetic heating plate 5, can heat the bed body, when heating is completed, by using the electric telescopic rod one 401, the bed body can be moved downward, then on the top of the bottom plate 603, using the electric telescopic rod two 404, the clamping base 406 can be separated from the bed body, and then the bed body falls to the top of the bottom plate 603, at this time the spring one 602 is pressed down, the lower pressing block 604 at the bottom of the bottom plate 603 is pressed down, and then the L-shaped plate 606 is impacted, at this time the L-shaped plate 606 rotates through the torsional spring, and then the fixed frame 608 right side contacts the bed body, under the impact of inertia, the spring two 609 is stretched, and at the same time the knocking head 611 on the right end connecting plate 610 of the spring two 609 knocks the bed body, which can accelerate the release of stress, when the bottom plate 603 is pressed down, the lower pressing block 604 at the bottom of the bottom plate 603 contacts the turnover plate 607, and at the same time the top plate 705 at the bottom of the turnover plate 607 is pressed down, at this time the top plate 705 moves the pressing plate 704 downward, and at the same time the spring three 702 is stretched, and then the air baffle 703 moves to make the ventilation slot three and the ventilation slot one be in the same horizontal line, and then the ventilation slot three and the ventilation slot one are communicated, which can accelerate the temperature dissipation rate inside the tempering furnace 2, when the bed body is heated by the electric telescopic rod one 401, the spring three 702 automatically rebounds, at this time the ventilation slot three and the ventilation slot one are not in the same horizontal line, and then the tempering furnace 2 is sealed, which can ensure the heating rate during heating, when the bottom plate 603 moves downward, at this time the connecting rod 801 at the bottom of the bottom plate 603 moves downward, the connecting rod 801 pushes the air bag 803 on the extrusion plate 802 to move, and at the same time the spring four in the air bag 803 is stretched, at this time the air inlet pipe at the back top of the air bag 803 sucks air, when the tempering work is completed, the bed body is taken out, the spring one 602 elastically recovers, the bottom plate 603 rises, at this time the air bag 803 is extruded, the air in the air bag 803 is introduced into the turnover plate 607 through the connecting hose 804, and finally the air is blown out through the air outlet 805 on the turnover plate 607, which can remove the dust adhered to the knocking surface of the knocking head 611 during knocking, and avoid affecting the next processing work.

[0036] It is to be noted that, in the present text, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0037] Finally, it should be noted that the above-mentioned only constitutes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications, equivalent replacements, and improvements of the technical solutions described in the foregoing embodiments can be made. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present application shall fall within the scope of the present application.

Claims

1. A large machine tool metal part stress relief tempering device comprising a support foot (1), characterized in that: The support leg (1) top fixedly connected with annealing furnace (2), the annealing furnace (2) front bottom middle hinge hinged with door (3), the annealing furnace (2) inside top sets up lifting mechanism (4), the annealing furnace (2) inside middle fixedly connected with electromagnetic heating plate (5), the annealing furnace (2) inside near bottom sets up pressure release mechanism (6), the annealing furnace (2) left side sets up ventilation mechanism (7), the pressure release mechanism (6) bottom sets up dust removal mechanism (8); The lifting mechanism (4) includes electric telescopic rod one (401), lifting plate (402), guard block (403), electric telescopic rod two (404), moving block (405) and clamping base (406), the electric telescopic rod one (401) is fixedly connected to the inside top right side of annealing furnace (2), the lifting plate (402) is fixedly connected to the bottom of electric telescopic rod one (401), the guard block (403) is fixedly connected to the top left side front end of lifting plate (402), the electric telescopic rod two (404) is fixedly connected to the inside right side of guard block (403), the moving block (405) is fixedly connected to the left end of electric telescopic rod two (404), the clamping base (406) is fixedly connected to the bottom of moving block (405); The pressure release mechanism (6) includes baffle (601), spring one (602), bottom plate (603), down pressure block (604), fixed rod (605), L-shaped plate (606), turnover plate (607), fixing frame (608), spring two (609), connecting plate (610) and knocking head (611), the baffle (601) is fixedly connected to the inside left and right sides of annealing furnace (2) near the bottom, the spring one (602) is fixedly connected to the top right side front end of baffle (601), the bottom plate (603) is fixedly connected to the top end of spring one (602), the down pressure block (604) is fixedly connected to the bottom left side of bottom plate (603), the fixed rod (605) is arranged in the left lower corner of annealing furnace (2), the L-shaped plate (606) is hinged to the middle part of fixed rod (605) through torsion spring hinge, the turnover plate (607) is fixedly connected to the top of L-shaped plate (606), the fixing frame (608) is fixedly connected to the right side top rear end of turnover plate (607), the spring two (609) is fixedly connected to the right side top of turnover plate (607), the connecting plate (610) is fixedly connected to the right end of spring two (609), the knocking head (611) is fixedly connected to the right side of connecting plate (610).

2. A large machine tool metal part stress relieving and tempering apparatus according to claim 1, characterized in that: The ventilation mechanism (7) comprises a control box (701), a spring three (702), a wind baffle (703), a pressing plate (704) and a top plate (705), the control box (701) is fixedly connected to the left side of the tempering furnace (2) near the bottom, the spring three (702) is fixedly connected to the inner top of the control box (701), the wind baffle (703) is fixedly connected to the bottom end of the spring three (702), the pressing plate (704) is fixedly connected to the bottom of the wind baffle (703), and the top plate (705) is fixedly connected to the bottom left side of the L-shaped plate (606).

3. A large machine tool metal part stress relieving and tempering apparatus according to claim 2, characterized in that: The dust removal mechanism (8) comprises a connecting rod (801), an extrusion plate (802), an air bag (803), a connecting hose (804) and a gas injection port (805), the connecting rod (801) is fixedly connected to the bottom left side of the bottom plate (603) near the middle, the extrusion plate (802) is fixedly connected to the bottom end of the connecting rod (801), the air bag (803) is fixedly connected to the top left side of the extrusion plate (802), the connecting hose (804) is fixedly connected to the left side of the air bag (803), and the gas injection port (805) is fixedly connected to the right side of the turnover plate (607) near the top.

4. A large machine tool metal part stress relieving and tempering apparatus according to claim 3, characterized in that: The left side of the control box (701), the right side of the control box (701) and the left side of the tempering furnace (2) are arranged on the same horizontal line and are communicated through a ventilation groove one, the bottom of the left side of the tempering furnace (2) is provided with a ventilation groove two, the bottom of the right side of the control box (701) and the inner wall of the left side of the tempering furnace (2) are communicated through a rectangular groove, and the wind baffle (703) is provided with a ventilation groove three, and the size of the ventilation groove three is same as that of the ventilation groove one.

5. A large machine tool metal part stress relieving and tempering apparatus according to claim 4, characterized in that: The front and back of the connecting plate (610) are fixedly connected with moving rings, and the middle parts of the moving rings are slidably connected with the fixing frame (608).

6. A large machine tool metal part stress relieving and tempering apparatus according to claim 5, characterized in that: The bottom end of the connecting rod (801) penetrates through the top of the partition plate (601) and extends to the bottom of the partition plate (601) to be fixedly connected with the extrusion plate (802), and the connecting rod (801) is slidably connected with the partition plate (601), and the air bag (803) is provided with a spring four in a compressed state.

7. A large machine tool metal part stress relieving and tempering apparatus according to claim 6, characterized in that: The connecting hose (804) is communicated with the inner top of the turnover plate (607), the air bag (803) is provided with an air inlet pipe in the middle of the top back, and the air inlet pipe is provided with a one-way valve, and the input end of the one-way valve is the back.

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