A sintering device for special-shaped cemented carbide products

Abstract

The utility model belongs to the field of cemented carbide sintering, and specifically relates to a cemented carbide special-shaped product sintering device, which solves the problem in the prior art that it is inconvenient to adjust and use according to the length of the cemented carbide special-shaped parts and is easy to shake during sintering. The utility model comprises a boat plate, and an adjustment mechanism is arranged at the lower part of the boat plate. By arranging a support rod, the support rod can adjust the height of the overall device through a slide cylinder, and by arranging two groups of threaded rods, the thread directions of the two groups of threaded rods are opposite, so that the two groups of threaded rods can drive the two groups of threaded cylinders to perform opposite movements through a driving component, and then the threaded cylinder can push a transmission plate to move during lateral movement, so that the transmission plate pushes the slide cylinder through a pushing ring, so that the slide cylinder can slide and rise and fall stably in the support rod, so that the height of the overall device can be adjusted synchronously, and it is avoided that a single adjustment causes the overall device to tilt, which is convenient for the production of cemented carbide special-shaped parts of different lengths.

Description

Technical Field

[0001] The utility model relates to the technical field of cemented carbide sintering, in particular to a cemented carbide special-shaped product sintering device. Background Art

[0002] Cemented carbide is an alloy material made from hard compounds of refractory metals and bonding metals through powder metallurgy. The production process is usually mixture preparation, molding, pressing, furnace sintering, and alloy products.

[0003] The sintering process of cemented carbide is crucial in alloy production. Along with physical and chemical changes, the size, shape, material properties and performance of the product will change.

[0004] The authorization announcement number in the prior art is: CN207606279U, and the name is a sintering device for special-shaped cemented carbide products. The device proposed in the patent document installs special-shaped cemented carbide parts through the placement hole, which is convenient for the sintering processing of special-shaped cemented carbide parts. However, in the actual application of cemented carbide sintering, although the device can facilitate the limited placement of cemented carbide parts to facilitate the stability of cemented carbide during sintering, it is not convenient to adjust the height according to the length of the cemented carbide special-shaped parts, and it is easy to shake during transportation through hanging. The sintering work of the cemented carbide special-shaped parts affects the sintering work. Utility Model Content

[0005] The technical problem solved by the utility model is that the prior art is not convenient for adjusting and using according to the length of the cemented carbide special-shaped parts, and is prone to shaking during sintering. A cemented carbide special-shaped product sintering device is provided.

[0006] In order to solve the above technical problems, the utility model provides a sintering device for cemented carbide special-shaped products, including a boat plate, an adjusting mechanism is provided at the lower part of the boat plate, the adjusting mechanism includes a support rod fixedly connected to the four corners of the bottom surface of the boat plate, and the outer surface of the support rod is sleeved with a slidable slide cylinder, two groups of first limit plates are fixedly connected to the bottom surface of the boat plate, and the inner wall of the first limit plate is rotatably connected with a threaded rod, the outer surface of each of the threaded rods is threadedly connected to a threaded cylinder, and each of the threaded cylinders is hinged to a transmission plate at one end close to the slide cylinder through a pin shaft, and the outer surface of each of the support rods is sleeved with a slidable push ring, and the connecting block on the outer surface of the push ring is hinged to the transmission plate.

[0007] Preferably, two second limit plates are fixedly connected to the bottom surface of the boat plate, and the inner wall of the second limit plate is rotatably connected to a rotating rod, the outer surfaces of the two rotating rods are fixedly connected to the first bevel gear, and each of the threaded rods is fixedly connected to the second bevel gear at one end close to the rotating rod, and the second bevel gear is meshed with the first bevel gear. By setting the second limit plate, the installation and support of the rotating rod can be better facilitated, and by rotating the rotating rod, the rotating rod can be driven to rotate through the mutual meshing of the first bevel gear and the second bevel gear.

[0008] Preferably, a third limit plate is sleeved on the outer surface of each threaded barrel, and the upper surface of the third limit plate is fixedly connected to the bottom surface of the boat plate. By providing the third limit plate, the threaded barrel can be better supported and stabilized, thereby preventing the threaded barrel from shaking and deflecting during lateral movement.

[0009] Preferably, the left and right ends of each threaded barrel are fixedly connected to a limit ring, and the limit ring is located outside the third limit plate. By setting the limit ring, it is better to facilitate the limit blocking of the threaded barrel during lateral movement, thereby avoiding the risk of the threaded barrel falling off due to excessive lateral movement.

[0010] Preferably, the outer surface of each of the threaded barrels is fixedly connected to two sliding strips, the left and right ends of each of the sliding strips are respectively fixedly connected to the limiting ring on the same side, and the outer surface of the sliding strip is slidably connected to the reserved groove on the inner wall of the third limiting plate. By setting the sliding strips, it is possible to better facilitate the limiting and guiding of the threaded barrel during lateral movement, thereby facilitating the stable sliding of the threaded barrel at the third limiting plate.

[0011] Preferably, the lower end of each of the slide cylinders is fixedly connected to a stabilizing block, and the bottom surface of the stabilizing block is provided with anti-slip grooves. By providing the stabilizing block, the overall device can be easily placed stably, and the anti-slip grooves on the bottom surface of the stabilizing block can further enhance the stability of the overall device, greatly enhancing the stable placement of the overall device during sintering of cemented carbide.

[0012] Preferably, a plurality of placement holes are opened on the upper surface of the boat plate, and a plurality of limiting cylinders are fixedly connected to the bottom surface of the boat plate, and the limiting cylinders are communicated with the placement holes. By setting the placement holes, it is possible to better facilitate the placement and limiting of the carbide parts, and the limiting cylinders can further enhance the limiting blocking of the carbide.

[0013] Preferably, both ends of the rotating rod are fixedly connected with a rotating cylinder, and the outer surface of the rotating cylinder is provided with anti-slip grooves. By providing the rotating cylinder, the rotating rod can be more easily manually rotated, thereby facilitating smooth and synchronous adjustment of the height of the entire device.

[0014] Compared with the related art, the utility model has the following beneficial effects:

[0015] 1. The utility model provides a support rod, which can adjust the height of the entire device through a slide cylinder, and provides two sets of threaded rods, the thread directions of the two sets of threaded rods are opposite, so that the two sets of threaded rods can drive the two sets of threaded cylinders to move in opposite directions through a driving component, and then the threaded cylinder can push the transmission plate to move during the lateral movement, so that the transmission plate pushes the slide cylinder through a pushing ring, so that the slide cylinder can slide and rise and fall stably in the support rod, so that the height of the entire device can be adjusted synchronously, avoiding the tilt of the entire device caused by a single adjustment, and being suitable for the production of cemented carbide special-shaped products of different lengths.

[0016] 2. The utility model can better facilitate the installation and support of the rotating rod by providing the second limit plate, and by rotating the rotating rod, the rotating rod can be meshed with the first bevel gear and the second bevel gear, so as to drive the threaded rod to rotate, thereby driving the subsequent components to adjust the height; by providing the third limit plate, it can better facilitate the support and stability of the threaded barrel; by providing the limit ring, it can better facilitate the limit blocking of the threaded barrel during lateral movement; by providing the slide bar, it can better facilitate the limit guiding of the threaded barrel during lateral movement; by providing the stabilizing block, it can facilitate the stable placement of the entire device, and the anti-slip pattern on the bottom surface of the stabilizing block can further improve the stability of the entire device; by providing the placement hole, it can better facilitate the placement and limitation of the carbide part.

[0017] In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are specifically cited below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the overall device of the utility model;

[0020] Figure 2 It is a three-dimensional structural schematic diagram of the adjustment mechanism of the utility model;

[0021] Figure 3 It is a three-dimensional structural cross-sectional view of the adjustment mechanism of the utility model;

[0022] Figure 4 For this utility model Figure 3 A local enlarged schematic diagram of point A in the middle.

[0023] Numbers in the figure:

[0024] 1. Boat plate; 2. Adjustment mechanism; 201. Support rod; 202. Slide cylinder; 203. First limit plate; 204. Threaded rod; 205. Threaded cylinder; 206. Transmission plate; 207. Push ring; 208. Second limit plate; 209. Rotating rod; 2010. First bevel gear; 2011. Second bevel gear; 2012. Third limit plate; 2013. Limit ring; 2014. Slide bar; 3. Stabilizing block; 4. Placement hole; 5. Limit cylinder; 6. Rotating cylinder. DETAILED DESCRIPTION

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

[0026] See also Figure 1 - Figure 4 A sintering device for special-shaped cemented carbide products includes a boat plate 1. An adjusting mechanism 2 is provided at the lower part of the boat plate 1. The adjusting mechanism 2 includes a support rod 201 fixedly connected to the four corners of the bottom surface of the boat plate 1, and a slidable slide cylinder 202 is sleeved on the outer surface of the support rod 201.

[0027] refer to Figure 1 - Figure 3 The setting of the support rod 201 can not only facilitate the support and placement of the entire device, but also can be adjusted in height according to the subsequent adjustment components, so that it can be convenient for sintering cemented carbide parts of different lengths. In addition, the material of the entire device is a high-temperature resistant material, which can facilitate the sintering of cemented carbide parts and effectively avoid the risk of high-temperature damage to the device components during the sintering of the cemented carbide parts.

[0028] The lower end of each slide cylinder 202 is fixedly connected to a stabilizing block 3, and the bottom surface of the stabilizing block 3 is provided with anti-slip grooves. By providing the stabilizing block 3, the overall device can be easily placed stably, and the anti-slip grooves on the bottom surface of the stabilizing block 3 can further improve the stability of the overall device, greatly improve the overall device during sintering of cemented carbide, avoid shaking during sintering that affects the sintering quality of the cemented carbide, and greatly improve the practicality of the overall device.

[0029] A plurality of placement holes 4 are provided on the upper surface of the boat plate 1, and a plurality of limiting cylinders 5 are fixedly connected to the bottom surface of the boat plate 1, and the limiting cylinders 5 are communicated with the placement holes 4. By setting the placement holes 4, it is possible to better facilitate the placement and limiting of the cemented carbide parts, and through the limiting cylinders 5, the limiting blocking of the cemented carbide can be further improved, thereby preventing the cemented carbide from shaking during sintering and affecting the quality of the production of cemented carbide special-shaped parts, thereby greatly improving the practicability of the overall device.

[0030] Both ends of the rotating rod 209 are fixedly connected to the rotating cylinder 6, and the outer surface of the rotating cylinder 6 is provided with anti-slip grooves. By setting the rotating cylinder 6, the rotating rod 209 can be more conveniently rotated manually, so that the height of the entire device can be adjusted smoothly and synchronously, thereby avoiding a single adjustment causing the entire device to tilt and affect the sintering work of the cemented carbide.

[0031] Two groups of first limit plates 203 are fixedly connected to the bottom surface of the boat board 1, and the inner wall of the first limit plate 203 is rotatably connected to a threaded rod 204, the outer surface of each threaded rod 204 is threadedly connected to a threaded cylinder 205, and one end of each threaded cylinder 205 close to the slide cylinder 202 is hinged to a transmission plate 206 through a pin shaft, and the outer surface of each support rod 201 is sleeved with a slidable pushing ring 207, and the connecting block on the outer surface of the pushing ring 207 is hinged to the transmission plate 206.

[0032] refer to Figure 1 - Figure 4 The setting of the first limit plate 203 can facilitate the support and rotation of the threaded rod 204, and the thread directions of the two groups of threaded rods 204 are opposite, so that the threaded cylinder 205 on the same side can be driven to move in the opposite direction, and then the transmission plate 206 is pushed by the threaded cylinder 205, and the transmission plate 206 drives the pushing ring 207 to push the slide cylinder 202, so as to achieve smooth lifting and lowering adjustment of the overall device, avoid a single adjustment causing the overall device to tilt and deflect, and thus avoid the tilt of the overall device affecting the sintering work of the cemented carbide.

[0033] Two second limit plates 208 are fixedly connected to the bottom surface of the boat board 1, and the inner wall of the second limit plate 208 is rotatably connected to a rotating rod 209, the outer surfaces of the two rotating rods 209 are fixedly connected to a first bevel gear 2010, and one end of each threaded rod 204 close to the rotating rod 209 is fixedly connected to a second bevel gear 2011, and the second bevel gear 2011 is meshed with the first bevel gear 2010.

[0034] By setting the second limit plate 208, the installation and support of the rotating rod 209 can be better facilitated, and by rotating the rotating rod 209, the rotating rod 209 can be mutually engaged with the first bevel gear 2010 and the second bevel gear 2011, thereby driving the threaded rod 204 to rotate, thereby driving the subsequent components to adjust the height, and facilitating the adjustment of the height of the overall device according to the length of the cemented carbide product, thereby greatly improving the application range of the overall device.

[0035] The outer surface of each threaded barrel 205 is sleeved with a third limiting plate 2012, and the upper surface of the third limiting plate 2012 is fixedly connected to the bottom surface of the boat plate 1. By providing the third limiting plate 2012, the threaded barrel 205 can be better supported and stabilized, thereby preventing the threaded barrel 205 from shaking and deflecting during lateral movement, thereby greatly improving the movement stability and practicality of the overall device.

[0036] The left and right ends of each threaded tube 205 are fixedly connected to a limit ring 2013, and the limit ring 2013 is located outside the third limit plate 2012. By setting the limit ring 2013, it is possible to better facilitate the limit blocking of the threaded tube 205 during lateral movement, thereby avoiding the risk of the threaded tube 205 falling off due to excessive lateral movement, thereby greatly improving the practicality and safety of the overall device.

[0037] Two slide bars 2014 are fixedly connected to the outer surface of each threaded cylinder 205 , and the left and right ends of each slide bar 2014 are respectively fixedly connected to the limiting ring 2013 on the same side, and the outer surface of the slide bar 2014 is slidably connected to the reserved groove on the inner wall of the third limiting plate 2012 .

[0038] By setting the slide bar 2014, it is possible to better facilitate the limiting and guiding of the threaded barrel 205 during lateral movement, thereby facilitating the stable sliding of the threaded barrel 205 at the third limiting plate 2012, thereby avoiding the risk of slight rotation of the threaded barrel 205 during lateral movement in the third limiting plate 2012, thereby greatly improving the stability of the transmission components during movement.

[0039] The specific implementation process of the utility model is as follows: when sintering a hard alloy workpiece, first place the hard alloy workpiece at the placement hole 4 and the limiting cylinder 5, so that the placement hole 4 and the limiting cylinder 5 can limit and stabilize the hard alloy workpiece, so as to facilitate the sintering of the hard alloy workpiece. When the hard alloy workpiece is overlong, first rotate the rotating cylinder 6, so that the rotating cylinder 6 drives the rotating rod 209 to rotate under the limiting action of the second limiting plate 208, so that the rotating rod 209 drives the first bevel gear 2010 to rotate, and then the two first bevel gears 2010 drive the two second bevel gears on the same side. The gear 2011 rotates, causing the two second bevel gears 2011 to rotate in opposite directions, thereby causing the second bevel gear 2011 to drive the threaded rod 204 to rotate, and the threads of the two groups of threaded rods 204 are in opposite directions, thereby driving the threaded cylinder 205 to move laterally, causing the threaded cylinder 205 to push the slide cylinder 202 to move up and down through the transmission plate 206 and the push ring 207, thereby facilitating height adjustment according to the length of the cemented carbide workpiece, and the synchronous adjustment work can avoid the adjustment of a single adjustment component causing the overall device to tilt and affect the sintering quality of the cemented carbide workpiece.

[0040] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A sintering device for special-shaped cemented carbide products, comprising a boat plate (1), characterized in that: The lower part of the boat plate (1) is provided with an adjustment mechanism (2), the adjustment mechanism (2) comprises a support rod (201) fixedly connected to the four corners of the bottom surface of the boat plate (1), and the outer surface of the support rod (201) is sleeved with a slidable slide cylinder (202), the bottom surface of the boat plate (1) is fixedly connected with two groups of first limit plates (203), and the inner wall of the first limit plate (203) is rotatably connected with a threaded rod (204), the outer surface of each threaded rod (204) is threadedly connected with a threaded cylinder (205), and one end of each threaded cylinder (205) close to the slide cylinder (202) is hinged with a transmission plate (206) through a pin shaft, and the outer surface of each support rod (201) is sleeved with a slidable push ring (207), and the connecting block on the outer surface of the push ring (207) is hinged with the transmission plate (206).

2. The sintering device for special-shaped cemented carbide products according to claim 1, characterized in that: Two second limit plates (208) are fixedly connected to the bottom surface of the boat plate (1), and the inner wall of the second limit plate (208) is rotatably connected to a rotating rod (209), the outer surfaces of the two rotating rods (209) are fixedly connected to a first bevel gear (2010), and one end of each threaded rod (204) close to the rotating rod (209) is fixedly connected to a second bevel gear (2011), and the second bevel gear (2011) is meshed with the first bevel gear (2010).

3. The sintering device for special-shaped cemented carbide products according to claim 1, characterized in that: A third limiting plate (2012) is sleeved on the outer surface of each of the threaded cylinders (205), and the upper surface of the third limiting plate (2012) is fixedly connected to the bottom surface of the boat plate (1).

4. The sintering device for special-shaped cemented carbide products according to claim 3, characterized in that: The left and right ends of each threaded cylinder (205) are fixedly connected to a limiting ring (2013), and the limiting ring (2013) is located outside the third limiting plate (2012).

5. The sintering device for special-shaped cemented carbide products according to claim 4, characterized in that: The outer surface of each threaded cylinder (205) is fixedly connected to two slide bars (2014), the left and right ends of each slide bar (2014) are respectively fixedly connected to the limiting ring (2013) on the same side, and the outer surface of the slide bar (2014) is slidably connected to the reserved groove on the inner wall of the third limiting plate (2012).

6. The sintering device for special-shaped cemented carbide products according to claim 1, characterized in that: The lower end of each slide cylinder (202) is fixedly connected to a stabilizing block (3), and the bottom surface of the stabilizing block (3) is provided with anti-slip grooves.

7. The sintering device for special-shaped cemented carbide products according to claim 1, characterized in that: The upper surface of the boat plate (1) is provided with a plurality of placement holes (4), the bottom surface of the boat plate (1) is fixedly connected with a plurality of limiting cylinders (5), and the limiting cylinders (5) are in communication with the placement holes (4).

8. The sintering device for special-shaped cemented carbide products according to claim 2, characterized in that: Both ends of the rotating rod (209) are fixedly connected to a rotating cylinder (6), and the outer surface of the rotating cylinder (6) is provided with anti-slip grooves.

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