Powder spreading mechanism

Abstract

The utility model discloses a powder spreading mechanism which comprises a lower die main body, a powder scraping device and a powder pushing device, the lower die main body is provided with a die cavity, the powder pushing device comprises a driving structure and a powder pushing frame arranged on the lower die main body in a sliding mode, the powder pushing frame is provided with a powder leaking cavity corresponding to the die cavity, and the driving structure can drive the powder pushing frame to slide on the lower die main body. The powder pushing frame gets close to or away from the mold cavity; the powder scraping device comprises a multi-shaft driving module and a powder scraper arranged at the output end of the multi-shaft driving module, and the multi-shaft driving module can drive the powder scraper to scrape powder in the powder leaking cavity. The automatic powder spreading device has the effects that automatic powder spreading is achieved through the scraping and spreading integrated design, powder spreading is more uniform, and manual labor is greatly saved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery plate processing, in particular to a powder spreading mechanism. Background Art

[0002] There is a battery plate product in the prior art, which includes a plate silver mesh located in the middle and a compression layer located on both sides of the plate silver mesh. The compression layer usually uses zinc powder as the compression powder. During production, it is necessary to spread a layer of zinc powder on the bottom of the cavity, and then spread the plate silver mesh on the zinc powder, and finally spread another layer of zinc powder on the plate silver mesh. Finally, the upper and lower layers of zinc powder are wrapped on both sides of the plate silver mesh by pressing to form a dense plate product. The factory usually adopts the method of manually putting powder into the mold cavity and then using a scraper to flatten the powder in the mold cavity. However, the manual powder spreading method is still not uniform enough and has high labor intensity, which needs to be improved urgently. Utility Model Content

[0003] The purpose of the utility model is to provide a powder spreading mechanism, which has the effect of realizing automatic powder spreading through an integrated scraping and spreading design, spreading powder more evenly, and greatly saving manual labor.

[0004] The above technical objectives of the present utility model are achieved through the following technical solutions: a powder spreading mechanism, comprising a lower mold body, a mold cavity being formed on the lower mold body, a powder scraping device and a powder pushing device, the powder pushing device comprising a driving structure and a powder pushing frame slidably provided on the lower mold body, the powder pushing frame corresponding to the mold cavity being provided with a powder leakage cavity, the driving structure being capable of driving the powder pushing frame to slide on the lower mold body so as to move the powder pushing frame closer to or away from the mold cavity;

[0005] The powder scraping device includes a multi-axis driving module and a powder scraper provided at the output end of the multi-axis driving module. The multi-axis driving module can drive the powder scraper to scrape the powder in the powder leakage chamber.

[0006] By adopting the above technical solution, a certain amount of powder is first poured into the powder pushing frame, and then the multi-axis driving module is used to drive the scraper to move horizontally along the length direction of the powder pushing frame and scrape the powder in the powder leakage chamber flat. When the powder scraping device scrapes the powder in the scraper flat into the powder leakage chamber, the driving structure drives the powder pushing frame to slide on the lower mold body and gradually approach the mold cavity. In the process of the powder pushing frame passing through the upper part of the mold cavity, the powder in the powder leakage chamber falls into the mold cavity, so that the powder is evenly filled in the mold cavity. In addition, in the process of resetting the powder pushing frame, the lower end face of the powder pushing frame can scrape and clean the excess powder on the upper part of the mold cavity, completing the powder spreading process of the mold cavity. The utility model first scrapes the powder flat into the powder leakage chamber of the powder pushing frame through the powder scraping device, and then spreads the powder flat in the mold cavity through the powder pushing device. It has the effect of automatic powder spreading, more uniform powder spreading, and greatly saving manual labor through the integrated scraping and spreading design.

[0007] The present invention is further configured as follows: the scraper includes an integrally arranged fixing portion and a scraping portion; the scraper is fixedly connected to the output end of the multi-axis drive module via the fixing portion; and the scraping portion is bent and connected to the end of the fixing portion.

[0008] The present invention is further configured as follows: the bottom of the powder scraping portion is configured as a plane, and the width of the powder scraping portion is greater than or equal to the width of the powder leakage chamber.

[0009] By adopting the above technical solution, the width of the powder scraping part is equal to or larger than the width of the powder leakage chamber, and the bottom surface of the powder scraping part is designed to be flat, which is conducive to scraping the powder on the upper end of the powder leakage chamber.

[0010] The present invention is further configured as follows: the powder scraping portion is provided with a plurality of powder passing grooves spaced apart along the width direction.

[0011] By adopting the above technical solution and adding the powder passing groove, the powder scraping part can use the powder passing groove to better scrape the powder in the powder leakage chamber during the process of leveling the powder.

[0012] The present invention is further configured as follows: guide rails are provided on the lower mold body in parallel on both sides of the mold cavity, and the guide rails on both sides are matched with the side guides of the powder pushing frame.

[0013] By adopting the above technical solution, the addition of the guide rail is conducive to improving the translation direction of the powder pushing frame, so that the powder pushing frame can slide more accurately over the upper end of the mold cavity when it translates on the lower mold body.

[0014] The present invention is further configured as follows: a mounting groove is provided on the bottom of the powder pushing frame along the outer circumference of the powder leakage chamber, and a wear-resistant sliding plate group is installed in the mounting groove.

[0015] By adopting the above technical solution, the addition of the wear-resistant sliding plate group is conducive to improving the wear resistance between the powder pushing frame and the lower mold body, thereby extending the service life of the powder pushing frame.

[0016] The present invention is further configured as follows: the driving structure includes a cylinder, and the powder pushing frame is fixedly connected to the end of the piston rod of the cylinder.

[0017] By adopting the above technical solution, the piston rod of the cylinder is extended and retracted to drive the powder pushing frame to approach or move away from the mold cavity.

[0018] The present invention is further configured as follows: the multi-axis driving module includes a lifting module and a transverse moving module, the transverse moving module is fixedly arranged at the output end of the lifting module, and the scraper is fixedly arranged at the output end of the transverse moving module.

[0019] By adopting the above technical solution, the lifting module can drive the transverse movement module to move up and down, and the transverse movement module can drive the scraper to move horizontally, thereby realizing multi-axis movement of the scraper in space.

[0020] The utility model is further configured as follows: the lower mold body is provided with a powder suction hole, a dust suction device is provided below the powder suction hole, and the zinc powder on the lower mold body is sucked and collected by the dust suction device through the powder suction hole.

[0021] By adopting the above technical solution, the dust suction device can absorb and collect the powder remaining on the lower mold body through the powder suction holes.

[0022] The utility model is further configured as follows: it also includes a feeding device, the feeding device includes a powder supply tank, a shock-absorbing platform, and a weighing distributor arranged on the shock-absorbing platform, the weighing distributor includes a powder discharge funnel, and the weighing distributor is used to weigh the powder in the powder supply tank and discharge the powder into the powder leakage chamber through the powder discharge funnel.

[0023] By adopting the above technical solution, the powder supply tank can supply powder to the weighing distributor, use the weighing distributor to weigh the powder, and drop a certain amount of powder into the powder leakage cavity of the powder pushing frame through the powder discharge funnel. The addition of the shock-absorbing platform is conducive to quickly shaking out the powder from the powder discharge funnel.

[0024] In summary, the present invention has the following beneficial effects:

[0025] A powder scraping device and a powder pushing device are arranged on the lower mold body. The powder pushing device includes a driving structure and a powder pushing frame slidably arranged on the lower mold body, wherein the powder pushing frame is provided with a powder leakage cavity corresponding to the mold cavity. The powder scraping device includes a multi-axis driving module and a powder scraper arranged at the output end of the multi-axis driving module. Before spreading the powder, a certain amount of powder is poured into the powder pushing frame, and then the multi-axis driving module is used to drive the powder scraper to move horizontally along the length direction of the powder pushing frame and scrape the powder in the powder leakage cavity flat. When the powder scraping device scrapes the powder in the powder scraper flat into the powder leakage cavity, the driving structure drives The powder pushing frame slides on the lower mold body and gradually approaches the mold cavity. In the process of the powder pushing frame passing from the upper part of the mold cavity, the powder in the powder leakage cavity falls into the mold cavity, so that the powder is evenly filled in the mold cavity. At the same time, the powder pushing frame can scrape and clean the powder on the upper part of the mold cavity to complete the powder spreading process of the mold cavity. The utility model first scrapes the powder flat in the powder leakage cavity of the powder pushing frame through the powder scraping device, and then spreads the powder flat in the mold cavity through the powder pushing device. It has the effect of automatic powder spreading, more uniform powder spreading, and greatly saving manual labor through the integrated scraping and spreading design. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural diagram of the present utility model.

[0027] Figure 2 This is a structural diagram of the lower mold body, dust suction device and powder pushing device of the utility model.

[0028] Figure 3 It is a structural diagram of the lower mold body and the dust collection device of the utility model.

[0029] Figure 4 It is an exploded view of the powder pushing frame and the wear-resistant sliding plate group of the utility model.

[0030] Figure 5 It is a structural diagram of the feeding device and the powder scraping device of the utility model.

[0031] Figure 6 It is a structural diagram of the powder scraping device of the utility model.

[0032] Figure 7 It is a structural diagram of the powder scraper of the utility model.

[0033] In the figure: 1. Lower mold body; 1a. Mold cavity; 1b. Powder suction hole; 11. Guide rail; 12. Dust suction device; 2. Powder scraping device; 21. Multi-axis drive module; 211. Lifting module; 212. Transverse movement module; 22. Powder scraper; 221. Fixed part; 222. Powder scraping part; 222a. Powder trough; 3. Powder pushing device; 31. Drive structure; 32. Powder pushing frame; 32a. Powder leakage cavity; 32b. Mounting slot; 321. Wear-resistant slide group; 4. Feeding device; 41. Powder supply tank; 42. Shock absorption platform; 421. Control box; 43. Weighing distributor; 431. Powder discharge funnel. DETAILED DESCRIPTION

[0034] The present invention will be further described below with reference to the accompanying drawings.

[0035] A powder spreading mechanism, such as Figure 1 As shown, it includes a lower mold body 1, a mold cavity 1a is opened on the lower mold body 1, and also includes a powder scraping device 2 and a powder pushing device 3. The powder pushing device 3 includes a driving structure 31 and a powder pushing frame 32 slidably arranged on the lower mold body 1. The powder pushing frame 32 corresponds to the mold cavity 1a and has a powder leakage cavity 32a. The driving structure 31 can drive the powder pushing frame 32 to slide on the lower mold body 1, so that the powder pushing frame 32 is close to or away from the mold cavity 1a; the powder scraping device 2 includes a multi-axis driving module 21 and a powder scraper 22 arranged at the output end of the multi-axis driving module 21. The multi-axis driving module 21 can drive the powder scraper 22 to scrape the powder in the powder leakage cavity 32a flat; in this embodiment, the driving structure 31 includes a cylinder, and the powder pushing frame 32 is fixedly connected to the end of the piston rod of the cylinder. The piston rod of the cylinder is telescopic to drive the powder pushing frame 32 to approach or move away from the mold cavity 1a.

[0036] like Figures 6-7As shown, the scraper 22 includes an integrally arranged fixed portion 221 and a scraper portion 222. The scraper 22 is fixedly connected to the output end of the multi-axis drive module 21 through the fixed portion 221, and the scraper portion 222 is bent and connected to the end of the fixed portion 221; the bottom of the scraper portion 222 is set to a plane. In some embodiments, the width of the scraper portion 222 is designed to be greater than or equal to the width of the powder leakage chamber 32a, and the bottom surface of the scraper portion 222 is designed to be flat, which is conducive to scraping the powder at the upper end of the powder leakage chamber 32a; the scraper portion 222 is provided with a plurality of powder passing grooves 222a spaced apart along the width direction. The addition of the powder passing grooves 222a enables the scraper portion 222 to use the powder passing grooves 222a to better scrape the powder in the powder leakage chamber 32a during the scraping process.

[0037] like Figures 1-3 As shown, guide rails 11 are provided parallel to both sides of the mold cavity 1a on the lower mold body 1, and the guide rails 11 on both sides cooperate with the side guides of the powder pushing frame 32. The addition of the guide rails 11 is conducive to improving the translation direction of the powder pushing frame 32, so that the powder pushing frame 32 can slide over the upper end of the mold cavity 1a more accurately when it translates on the lower mold body 1.

[0038] like Figure 4 As shown, a mounting groove 32b is provided at the bottom of the powder pushing frame 32 along the outer circumference of the powder leakage cavity 32a, and a wear-resistant slide group 321 is installed in the mounting groove 32b. The addition of the wear-resistant slide group 321 is beneficial to improving the wear resistance between the powder pushing frame 32 and the lower mold body 1, thereby extending the service life of the powder pushing frame 32.

[0039] like Figure 1 and Figures 5-6 As shown, the multi-axis driving module 21 includes a lifting module 211 and a transverse module 212. The transverse module 212 is fixedly arranged at the output end of the lifting module 211, and the scraper 22 is fixedly arranged at the output end of the transverse module 212. The lifting module 211 can drive the transverse module 212 to move up and down, and the transverse module 212 can drive the scraper 22 to move horizontally, thereby realizing the multi-axis movement of the scraper 22 in space; it also includes a feeding device 4, which includes a powder supply tank 41, a shock-absorbing platform 42, and a weighing distributor 4 provided on the shock-absorbing platform 42. 3. The weighing and distributing machine 43 includes a powder discharge funnel 431. The weighing and distributing machine 43 is used to weigh the powder in the powder supply tank 41 and discharge the powder into the powder leakage chamber 32a through the powder discharge funnel 431. The powder supply tank 41 can supply the powder to the weighing and distributing machine 43, and the weighing and distributing machine 43 is used to weigh the powder and drop a certain amount of powder into the powder leakage chamber 32a of the powder pushing frame 32 through the powder discharge funnel 431. In addition, in this embodiment, a control box 421 for controlling the operation of the multi-axis drive module 31 is further provided on the shock absorbing platform 42.

[0040] like Figures 2-3As shown, the lower mold body 1 is provided with a powder suction hole 1b, and a dust suction device 12 is provided under the powder suction hole 1b. The zinc powder on the lower mold body 1 is sucked and collected by the dust suction device 12 through the powder suction hole 1b. The dust suction device 12 can suck and collect the powder remaining on the lower mold body 1 through the powder suction hole 1b.

[0041] The basic working principle of the present invention is as follows: a powder scraping device 2 and a powder pushing device 3 are provided on the lower mold body 1, the powder pushing device 3 includes a driving structure 31, a powder pushing frame 32 slidably arranged on the lower mold body 1, wherein the powder pushing frame 32 is provided with a powder leakage cavity 32a corresponding to the mold cavity 1a, the powder scraping device 2 includes a multi-axis driving module 21, and a powder scraper 22 arranged at the output end of the multi-axis driving module 21. Before spreading the powder, a certain amount of powder is poured into the powder pushing frame 32, and then the multi-axis driving module 21 drives the powder scraper 22 to move horizontally along the length direction of the powder pushing frame 32, and scrapes the powder in the powder leakage cavity 32a flat. When the powder scraping device 2 scrapes the powder in the powder scraper 22 flat into the powder leakage cavity 32a, the driving structure 31 drives the powder scraper 22 to move horizontally along the length direction of the powder pushing frame 32. The powder pushing frame 32 is made to slide on the lower mold body 1 and gradually approach the mold cavity 1a. In the process of the powder pushing frame 32 passing from the upper part of the mold cavity 1a, the powder in the powder leakage cavity 32a falls into the mold cavity 1a, so that the powder is evenly filled in the mold cavity 1a. In addition, in the process of resetting the powder pushing frame 32, the lower end surface of the powder pushing frame 32 can scrape and clean the excess powder on the upper part of the mold cavity 1a, completing the powder spreading process of the mold cavity 1a. The utility model first scrapes the powder into the powder leakage cavity 32a of the powder pushing frame 32 through the powder scraping device 2, and then spreads the powder into the mold cavity 1a through the powder pushing device 3. It has the effect of automatically spreading powder through the integrated scraping and spreading design, spreading powder more evenly, and greatly saving manual labor.

[0042] The above description is only a preferred embodiment of the present invention. Therefore, any equivalent changes or modifications made according to the structure, features and principles described in the scope of the present invention patent application are included in the scope of the present invention patent application.

Claims

1. A powder spreading mechanism, comprising a lower mold body (1), wherein a mold cavity (1a) is formed on the lower mold body (1), characterized in that: The invention also includes a powder scraping device (2) and a powder pushing device (3), wherein the powder pushing device (3) includes a driving structure (31) and a powder pushing frame (32) slidably arranged on the lower mold body (1), wherein the powder pushing frame (32) is provided with a powder leakage cavity (32a) corresponding to the mold cavity (1a), and the driving structure (31) can drive the powder pushing frame (32) to slide on the lower mold body (1), so that the powder pushing frame (32) approaches or moves away from the mold cavity (1a); The powder scraping device (2) comprises a multi-axis driving module (21) and a powder scraper (22) provided at the output end of the multi-axis driving module (21); the multi-axis driving module (21) can drive the powder scraper (22) to scrape the powder in the powder leakage chamber (32a) flat.

2. A powder spreading mechanism according to claim 1, characterized in that: The powder scraper (22) comprises an integrally arranged fixing portion (221) and a powder scraping portion (222); the powder scraper (22) is fixedly connected to the output end of the multi-axis drive module (21) via the fixing portion (221); and the powder scraping portion (222) is bent and connected to the end of the fixing portion (221).

3. A powder spreading mechanism according to claim 2, characterized in that: The bottom of the powder scraping portion (222) is set to be a plane, and the width of the powder scraping portion (222) is greater than or equal to the width of the powder leakage cavity (32a).

4. A powder spreading mechanism according to claim 2, characterized in that: The powder scraping portion (222) is provided with a plurality of powder passing grooves (222a) spaced apart along the width direction.

5. The powder spreading mechanism according to claim 1, characterized in that: Guide rails (11) are provided on the lower mold body (1) in parallel on both sides of the mold cavity (1a), and the guide rails (11) on both sides are in guiding cooperation with the side portions of the powder pushing frame (32).

6. A powder spreading mechanism according to claim 1, characterized in that: The bottom of the powder pushing frame (32) is provided with an installation groove (32b) along the outer circumference of the powder leakage chamber (32a), and a wear-resistant sliding plate group (321) is installed in the installation groove (32b).

7. The powder spreading mechanism according to claim 1, characterized in that: The driving structure (31) comprises a cylinder, and the powder pushing frame (32) is fixedly connected to the end of the piston rod of the cylinder.

8. The powder spreading mechanism according to claim 1, characterized in that: The multi-axis driving module (21) comprises a lifting module (211) and a transverse module (212); the transverse module (212) is fixedly arranged at the output end of the lifting module (211); and the powder scraper (22) is fixedly arranged at the output end of the transverse module (212).

9. The powder spreading mechanism according to claim 1, characterized in that: The lower mold body (1) is provided with a powder suction hole (1b), and a dust suction device (12) is provided below the powder suction hole (1b). Zinc powder on the lower mold body (1) is sucked and collected by the dust suction device (12) through the powder suction hole (1b).

10. The powder spreading mechanism according to claim 9, characterized in that: The invention also includes a feeding device (4), wherein the feeding device (4) includes a powder supply tank (41), a shock-absorbing platform (42), and a weighing distributor (43) provided on the shock-absorbing platform (42). The weighing distributor (43) includes a powder discharge funnel (431). The weighing distributor (43) is used to weigh the powder in the powder supply tank (41) and discharge the powder into the powder discharge chamber (32a) through the powder discharge funnel (431).

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