Semi-automatic multi-station negative pressure thermoforming machine

Abstract

The utility model discloses a semi-automatic multi-station negative pressure thermoforming machine, which relates to the technical field of thermoforming machines, solves the problem that a mold is adhered to a mold orifice, and comprises a base, a support frame is arranged on the upper surface of the base, the support frame is formed by combining four support columns and is integrally rectangular, a top plate is arranged at the top of the support frame, and a threaded rod penetrates through the upper surface of the top plate. By means of the top plate assembly, after a mold is machined, the hydraulic cylinder is controlled to drive the top plate to eject out, meanwhile, the mold is ejected out, the bottom face of the mold can make contact with the top plate, the mold can be protected through the inwards-concave arrangement, damage to the mold due to ejection of the top plate is avoided, and meanwhile redundant mold can be prevented from being attached to the interior of a mold opening.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of thermoforming machine especially to a semi -automatic multistation negative pressure thermoforming machine. BACKGROUND

[0002] Thermoforming machine is to process thermoplastic sheet into various products. The sheet is clamped on the frame and heated to the softened state. Under the action of external force, it is tightly attached to the profile of the mold to obtain the shape similar to the profile. After cooling and setting, the product is finished after trimming. This process is also used for rubber processing. In recent years, thermoforming has made new progress, such as continuous production technology from extruded sheet to thermoforming.

[0003] In the existing thermoforming device, when the plastic sheet processing is completed, the mold will appear adhesion phenomenon, so that the excess mold is difficult to take out from the mold port. UTILITY MODEL CONTENT

[0004] In order to improve the problem of mold adhesion at the mold port, the utility model provides a semi -automatic multistation negative pressure thermoforming machine.

[0005] The utility model provides a semi -automatic multistation negative pressure thermoforming machine adopts the following technical scheme:

[0006] A semi -automatic multistation negative pressure thermoforming machine, including base, the upper surface of base is equipped with support frame, and the support frame is combined by four supports, and the whole is rectangular, the top of support frame is equipped with top plate, and the upper surface of top plate is penetrated by threaded rod, and the end away from threaded rod is embedded into chain wheel, the lower of top plate is equipped with upper die plate, and the top of upper die plate is connected with threaded rod and chain wheel respectively, the top of base between support frame is equipped with four guide columns,

[0007] The guide column is penetrated through the upper die plate and the lower die plate respectively,

[0008] The upper surface of lower die plate is equipped with sliding slot one, and the inside of sliding slot one is equipped with clamp assembly,

[0009] The lower of lower die plate is equipped with top plate assembly.

[0010] Through the above technical scheme, the adhesion phenomenon after mold processing can be effectively avoided.

[0011] Optionally, the sliding slot one is opened in the left and right sides of the mold port of the lower die plate, and the other end of the sliding slot one extends to the outside of the lower die plate.

[0012] Through the above technical scheme, the clamp assembly can be moved at the mold port.

[0013] Optionally, the clamp assembly comprises: a hydraulic lifting module, which is located at the bottom of the clamp assembly; a second sliding groove, which is formed in the inner wall of the clamp assembly; two sets of clamping plates, which are respectively arranged in the inner wall of the second sliding groove; and a sliding plate, which is embedded in the second sliding groove, and one side of the sliding plate is provided with a clamping plate matched with the clamping plate.

[0014] By adopting the above technical scheme, the mold after processing can be clamped and lifted, so that the adhesion of the mold is avoided.

[0015] Optionally, the clamp assembly is in a concave shape as a whole, one side is movable, and the other side is fixed. The top of the fixed side of the clamp assembly is provided with a protective pad, and the cross section of the protective pad is trapezoidal. The protective pad can be made of soft material.

[0016] By adopting the above technical scheme, the clamp assembly can protect the mold when clamping the mold, so that the deformation of the mold is avoided.

[0017] Optionally, the cross section of the clamping plate is trapezoidal, and the diameter of the sliding plate is consistent with the diameter of the fixed side of the clamp assembly.

[0018] By adopting the above technical scheme, the trapezoidal arrangement can more favorably limit the movement of the sliding plate.

[0019] Optionally, the top plate assembly comprises: a hydraulic cylinder arranged in the interior of the top plate assembly; sliding grooves formed in the left and right sides of the inner wall of the top plate assembly; a support column, one end of which is embedded in the interior of the sliding groove, and the other end of which is fixed to the top plate; and an output end of the hydraulic cylinder connected to the bottom of the top plate.

[0020] By adopting the above technical scheme, the mold after processing can be ejected, so that the adhesion of the mold in the die opening is avoided.

[0021] Optionally, the top plate is in a concave shape as a whole, the diameter of the top plate assembly is consistent with the diameter of the lower die plate, and the diameter of the top plate is consistent with the diameter of the die opening of the lower die plate.

[0022] By adopting the above technical scheme, the mold and the top plate can be more closely fitted, and the concave shape can further protect the mold.

[0023] Optionally, the sprocket is an electric sprocket, and the sprocket is fixed to the top of the upper die plate in cooperation with a threaded rod.

[0024] By adopting the above technical scheme, the upper die plate can be driven to move up and down.

[0025] In summary, the utility model has the following beneficial effects:

[0026] 1.The utility model discloses a top plate assembly, when the mold processing is completed, control hydraulic cylinder drives the ejection of top plate, at the same time, the mold is ejected, and the support column moves in the sliding groove inside the top plate assembly at this time, thereby playing a limiting and fixing effect on the top plate, avoiding the shaking phenomenon when the top plate is ejected, and through the concave setting of the top plate, the bottom surface of the mold will contact the top plate when the mold is ejected, the concave setting can play a protection role on the mold, avoiding damaging the mold when the top plate is ejected, and simultaneously avoiding the adhesion of excess mold in the mold opening.

[0027] 2.The utility model discloses a clamp assembly, when the mold processing is completed, through the ejection of top plate assembly, control hydraulic lifting module makes it drive the protrusion of clamp assembly, and slides in the inside of sliding groove one, thereby clamping the processed mold, controlling the sliding plate in the inside of sliding groove two during the clamping process to reach the clamping of mold, when the clamp assembly clamps the mold, the protection pad protects the both sides of the mold, and can effectively protect the clamping side of the mold from damage. DRAWINGS

[0028] Figure 1 It is the whole structure schematic diagram of the utility model.

[0029] Figure 2 It is the top plate assembly structure schematic diagram of the utility model.

[0030] Figure 3 It is the clamp assembly structure schematic diagram of the utility model.

[0031] MARKS OF DRAWINGS:

[0032] 1, base stand;2, support frame;201, top plate;202, threaded rod;203, chain wheel;204, upper die plate;205, guide column;3, lower die plate;301, sliding groove one;4, clamp assembly;401, hydraulic lifting module;402, sliding groove two;403, clamping plate;404, sliding plate;405, protection pad;5, top plate assembly;501, hydraulic cylinder;502, support column;503, top plate. SPECIFIC IMPLEMENTATION

[0033] The following will be combined with the drawings of the embodiments of the utility model to make the above and other objectives, features and advantages of the utility model more apparent. Figures 1-3 The technical scheme in the embodiments of the utility model is described clearly and completely, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the protection scope of the utility model.

[0034] Please refer to Figures 1-3The utility model provides a kind of semi-automatic multi-station negative pressure thermoforming machine, including base 1, the upper surface of base 1 is equipped with support frame 2, and support frame 2 is combined into four struts, and overall is rectangle, support frame 2 top is equipped with top plate 201, top plate 201 upper surface is penetrated with threaded rod 202, and the end away from threaded rod 202 is embedded sprocket 203, top plate 201 below is equipped with upper die plate 204, and upper die plate 204 top is respectively connected with threaded rod 202 and sprocket 203, four guide columns 205 are equipped between support frame 2 in the top of base 1;

[0035] Guide column 205 is penetrated with upper die plate 204 and lower die plate 3 respectively;

[0036] Lower die plate 3 upper surface is equipped with sliding slot one 301, and the inside of sliding slot one 301 is equipped with fixture assembly 4;

[0037] Lower die plate 3 below is equipped with top plate assembly 5;

[0038] Through the cooperation between sprocket 203 and threaded rod 202, upper die plate 204 and lower die plate 3 coincide, reach mould processing state, and the mould after processing is ejected by top plate assembly 5, is clamped after ejection by fixture assembly 4, to avoid mould damage.

[0039] Refer to Figure 1 And Figure 3, the chute one 301 is opened in the die port left and right sides of the lower die plate 3, and the other end of the chute one 301 extends to the outside of the lower die plate 3, the clamp assembly 4 includes: hydraulic lifting module 401, the hydraulic lifting module 401 of the clamp assembly 4 is located at the bottom of the clamp assembly 4, the chute two 402 is opened in the inner wall of the clamp assembly 4, the clamping plate 403 is provided with two groups, which are respectively arranged in the inner wall of the chute two 402, the sliding plate 404 is embedded in the inside of the chute two 402, and the embedded side of the sliding plate 404 is provided with the clamping plate matched with the clamping plate 403, the clamp assembly 4 is arranged in the shape of "concave", and one side is movable, and the other side is fixed, the fixed side of the clamp assembly 4 is provided with the protective pad 405, and the protective pad 405 is trapezoidal in cross section, the protective pad 405 can be soft material, the clamping plate 403 is trapezoidal in cross section, the diameter of the sliding plate 404 is consistent with the diameter of the fixed side of the clamp assembly 4, it is explained here that the clamp assembly 4 can be embedded in the inside of the chute one 301 through the hydraulic lifting module 401, and the sliding plate 404 is an electric sliding plate, and the clamp assembly 4 is arranged in mirror image in the two chute one 301 respectively, sliding, so that the distance between the fixed side of the clamp assembly 4 and the die is consistent with the thickness of the die, when the die is processed, the clamp assembly 4 is driven to protrude by controlling the hydraulic lifting module 401 when the die is ejected by the top plate assembly 5, and slides in the inside of the chute one 301, so as to clamp the processed die, and the sliding plate 404 is controlled to move in the inside of the chute two 402 during clamping, so as to clamp the die, and when the sliding plate 404 moves up and down, although the sliding plate 404 is electric, the clamping plate 403 can further limit the sliding plate 404, so as to avoid the sliding plate 404 from moving, and the clamping plate 403 is trapezoidal in cross section, the trapezoidal shape is engaged with the trapezoidal shape, so as to generate mutual engagement force, so as to limit the sliding plate 404;

[0040] At the same time, when the clamp assembly 4 clamps the die, the protective pad 405 protects the two sides of the die, which can effectively protect the die from being damaged.

[0041] Referring to Figure 1 and Figure 2The top plate assembly 5 comprises a hydraulic cylinder 501 arranged inside the top plate assembly 5, sliding grooves are formed on the left and right sides of the inner wall of the top plate assembly 5, a support column 502 is embedded in the inside of the sliding groove at one end and fixed to the top plate 503 at the other end, the output end of the hydraulic cylinder 501 is connected to the bottom of the top plate 503, the top plate 503 is entirely concave, the diameter of the top plate assembly 5 is consistent with the diameter of the lower mold plate 3, and the diameter of the top plate 503 is consistent with the diameter of the mold port of the lower mold plate 3, when the mold is finished, the hydraulic cylinder 501 drives the top plate 503 to be ejected, and at the same time, the mold is ejected, and at this time, the support column 502 moves in the sliding groove inside the top plate assembly 5, thereby limiting and fixing the top plate 503, avoiding shaking of the top plate 503 when the top plate 503 is ejected, and through the concave arrangement of the top plate 503, the bottom surface of the mold will be in contact with the top plate 503 when the mold is ejected, and the concave arrangement can protect the mold, avoid damage to the mold when the top plate 503 is ejected, and avoid excess mold adhering to the inside of the mold port;

[0042] Secondly, the diameter of the top plate 503 is consistent with the diameter of the mold port of the lower mold plate 3, and since the size of the mold is fixed, the diameter of the top plate 503 is consistent with the diameter of the mold port, which can hold the entire mold tray, avoiding the phenomenon that the top plate 503 can only lift part of the mold, resulting in damage to the mold when the mold is ejected.

Claims

1. A semi-automatic multi-station negative pressure thermoforming machine, comprising a base (1), the upper surface of the base (1) is provided with a support frame (2), the support frame (2) is composed of four support columns and has a rectangular shape as a whole, the top of the support frame (2) is provided with a top plate (201), the upper surface of the top plate (201) is penetrated by a threaded rod (202), and the end of the threaded rod (202) away from the top plate (201) is embedded in a sprocket (203), the lower side of the top plate (201) is provided with an upper die plate (204), and the top of the upper die plate (204) is connected with the threaded rod (202) and the sprocket (203) respectively, and the top of the base (1) between the support frame (2) is provided with four guide columns (205). The guide columns (205) penetrate the upper die plate (204) and a lower die plate (3) respectively. The upper surface of the lower die plate (3) is provided with a sliding groove (301), and the sliding groove (301) is provided with a clamp assembly (4) inside. The lower side of the lower die plate (3) is provided with a top plate assembly (5).

2. A semi-automatic multi-station negative pressure thermoforming machine according to claim 1, characterized in that: The sliding groove (301) is arranged on the left and right sides of the die opening of the lower die plate (3), and the other end of the sliding groove (301) extends to the outside of the lower die plate (3).

3. The semi-automatic multi-station negative pressure thermoforming machine according to claim 1, characterized in that: The clamp assembly (4) comprises: a hydraulic lifting module (401) located at the bottom of the clamp assembly (4), a sliding groove (402) arranged on the inner wall of the clamp assembly (4), two clamping plates (403) arranged on the inner wall of the sliding groove (402) respectively, a sliding plate (404) embedded in the sliding groove (402), and one side of the sliding plate (404) embedded with a clamping plate matched with the clamping plate (403).

4. The semi-automatic multi-station negative pressure thermoforming machine according to claim 1, characterized in that: The clamp assembly (4) is arranged in a concave shape as a whole, one side is movable, and the other side is fixed, the top of the fixed side of the clamp assembly (4) is provided with a protective pad (405), the cross section of the protective pad (405) is trapezoidal, and the protective pad (405) can be made of soft material.

5. The semi-automatic multi-station negative pressure thermoforming machine according to claim 3, characterized in that: The cross section of the clamping plate (403) is trapezoidal, and the diameter of the sliding plate (404) is consistent with the diameter of the fixed side of the clamp assembly (4).

6. The semi-automatic multi-station negative pressure thermoforming machine according to claim 1, wherein: The top plate assembly (5) comprises: a hydraulic cylinder (501) arranged in the inside of the top plate assembly (5), sliding grooves are arranged on the left and right sides of the inner wall of the top plate assembly (5), a support column (502) having one end embedded in the sliding groove and the other end fixed to a top plate (503), and the output end of the hydraulic cylinder (501) is connected with the bottom of the top plate (503).

7. A semi-automatic multi-station negative pressure thermoforming machine according to claim 6, characterized in that: The top plate (503) has a concave shape as a whole, the diameter of the top plate assembly (5) is consistent with the diameter of the lower die plate (3), and the diameter of the top plate (503) is consistent with the diameter of the die opening of the lower die plate (3).

8. The semi-automatic multi-station negative pressure thermoforming machine according to claim 1, wherein: The sprocket (203) is an electric sprocket, and the sprocket (203) is fixed to the top of the upper die plate (204) in cooperation with the threaded rod (202).

Images