Demolding device

Abstract

The utility model relates to the field of target material production auxiliary equipment, and discloses a demolding device which comprises a plurality of clamping parts and a clamping drive, a clamping space is formed among the clamping parts, and the clamping drive is used for driving the clamping parts to be close to or away from each other; a travel switch is arranged at the movable end of the clamping driver; the travel switch controls the size of the clamping space, and when the travel switch is triggered, the multiple clamping parts just abut against the outer wall of the mold, so that the situation that the mold is extruded due to the fact that the clamping parts exert too large pressure on the mold, and the mold deforms and the target blank is damaged is avoided.

Description

Technical Field

[0001] The utility model relates to the field of target material production auxiliary equipment, in particular to a target material production auxiliary device, specifically to a demoulding device. Background Art

[0002] In the prior art, a mold is used to assist in shaping when producing a target material. The target material embryo is first poured into the mold. After the target material embryo is formed, the mold is removed and the target material embryo is left to stand for further shaping.

[0003] CN210362315U discloses an auxiliary demoulding device for an injection molding machine, comprising a machine body, a base arranged on one side of the machine body, a movable mold and a fixed mold arranged on the base with concave and convex matching, a support block and two clamping plates arranged relatively on the support block, and a driving assembly driving the two clamping plates to move closer to or away from each other is provided on the support block. The demoulding device does not require the staff to manually take out the finished product, saving time and effort, and having high processing efficiency. However, during demoulding, it is easy to have excessive pressure applied to the mold when the two clamping plates clamp the mold, resulting in deformation and damage of the mold, deformation of the blank in the mold, and affecting the quality of the finished product of the blank. Utility Model Content

[0004] In view of the defects and shortcomings of the prior art, the utility model provides a demoulding device.

[0005] A demoulding device comprises a plurality of clamping parts and a clamping drive, wherein a clamping space is formed between the plurality of clamping parts, and the clamping drive is used to drive the plurality of clamping parts to move closer to or away from each other; a travel switch is arranged at the movable end of the clamping drive.

[0006] Preferably, the clamping drive includes a cylinder and a plurality of articulated rods, the articulated rods and the clamping parts are arranged in a one-to-one correspondence, one end of the articulated rod is hinged to the movable end of the cylinder, and the other end of the articulated rod is hinged to the clamping part; the travel switch is arranged on the output end of the cylinder.

[0007] Preferably, it also includes a base, a column, a folding arm and a lifting drive, the column is rotatably connected to the base, the folding arm is slidably connected to the column along the height direction of the column, and the folding arm is slidably raised and lowered by the lifting drive; the clamping part and the clamping drive are both installed at the movable end of the folding arm.

[0008] Preferably, a positioning block is provided at the movable end of the clamping drive, a fixing piece is provided on the positioning block, and the travel switch is fixed to the positioning block via the fixing piece.

[0009] Preferably, the fixing member comprises a positioning bolt, a mounting hole is formed on the positioning block, the travel switch is mounted in the mounting hole, the positioning bolt is threadedly connected to the positioning block, and the positioning bolt abuts against the travel switch.

[0010] Preferably, the clamping end of the clamping portion is fixedly connected with a clamping plate.

[0011] Preferably, the clamping surface of the clamping plate is arranged in an arc-shaped concave surface.

[0012] Preferably, the lifting drive includes a lifting motor, a drag chain and a gear set, the drag chain rotates around the column, the gear set is rotatably connected to the column, the gear set is meshed with the drag chain, the lifting motor is installed on the column and is used to drive the gear to rotate, and the folding arm is fixedly connected to the drag chain.

[0013] Compared with the prior art, the utility model has the following obvious beneficial effects:

[0014] (1) The size of the clamping space is controlled by setting a travel switch. When the travel switch is triggered, multiple clamping parts just abut against the outer wall of the mold, preventing the clamping parts from exerting excessive pressure on the mold and squeezing the mold, causing deformation of the mold and damage to the target material embryo.

[0015] (2) The clamping part and the clamping drive cooperate. When demolding, the clamping part clamps the mold, and then drives the clamping part to rise, driving the mold to rise until the mold and the target material blank are separated, that is, the demolding is completed, avoiding direct contact between the demolding device and the target material blank, and reducing the possibility of deformation of the target material blank during demolding.

[0016] (3) The position of the travel switch can be adjusted according to different types of target materials to be demolded, thereby improving the practicality of the device.

[0017] (4) By providing a clamping plate and a clamping surface with an arc-shaped concave surface, the contact area between the clamping part and the mold is increased, thereby improving the stability during demolding. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure in Example 1.

[0019] Figure 2 It is an enlarged structural schematic diagram of the clamping part, clamping drive and other structures in Example 1.

[0020] Explanation of reference numerals: 1. base; 2. column; 3. folding arm; 301. fixing part; 302. rotating part; 303. swing motor; 4. clamping part; 5. lifting drive; 501. lifting motor; 502. drag chain; 6. mounting block; 7. mounting seat; 8. clamping drive; 801. cylinder; 802. articulated rod; 9. positioning block; 10. travel switch; 11. clamping plate; 12. arc-shaped concave surface; 13. operating mechanism. DETAILED DESCRIPTION

[0021] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, they will be described in detail below in conjunction with specific examples, but the protection scope of the present invention is not limited to the following specific embodiments.

[0022] Unless otherwise defined, all professional terms used below have the same meaning as those generally understood by those skilled in the art. The professional terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the scope of protection of the present utility model.

[0023] Embodiment 1:

[0024] A demoulding device, referring to Figure 1 , including a base 1, a column 2, a folding arm 3 and a plurality of clamping parts 4, the column 2 is rotatably connected to the base 1, the column 2 is arranged in the vertical direction, the folding arm 3 is slidably connected to the column 2 along the height direction of the column 2, and the folding arm 3 is lifted and lowered by a lifting drive 5.

[0025] Reference Figure 1 , the lifting drive 5 includes a lifting motor 501, a drag chain 502 and a gear set, the drag chain 502 rotates around the column 2, the gear set is rotatably connected to the column 2, the gear set is meshed with the drag chain 502, the lifting motor 501 is installed at the top of the column 2, the output end of the lifting motor 501 is fixedly connected to the axis of a gear in the gear set, the drag chain 502 is fixedly connected to the mounting block 6, and the folding arm 3 is fixedly connected to the mounting block 6. In other embodiments, the lifting drive 5 can be a lifting structure commonly used in the prior art such as a capstan hoist and a screw rod set.

[0026] In order to improve the stability of the device, a guide structure can be provided on the column 2. The guide structure includes a guide rod, which is fixedly connected to the column 2 and arranged parallel to the column 2. A guide hole is provided on the mounting block 6, and the lifting drive 5 drives the folding arm 3 to rise and fall. In other embodiments, the guide structure can be a guide groove and a guide block adapted to the guide groove, etc., which are commonly used in the prior art. A joint brake can be provided between the column 2 and the base 1. When the folding arm 3 and the clamping part 4 are working, the joint brake works to limit the rotation of the column 2.

[0027] Reference Figure 1The folding arm 3 includes a fixed part 301 and a rotating part 302. The fixed part 301 is fixedly connected to the mounting block 6. The fixed part 301 is perpendicular to the column 2. One end of the rotating part 302 is hinged to the fixed part 301. The rotating part 302 can swing along the circumferential direction of the column 2. A swing motor 303 is provided on the column 2 to drive the rotating part 302 to swing.

[0028] Reference Figure 1 and Figure 2 The end of the rotating part 302 away from the fixed part 301 is fixedly connected to the mounting seat 7, and the multiple clamping parts 4 are hinged on the mounting seat 7. In this embodiment, the clamping parts 4 are provided in two, and the two clamping parts 4 are symmetrically arranged. The mounting seat 7 is fixedly connected with a clamping drive 8 for driving the two clamping parts 4 to move closer to or away from each other. The clamping drive 8 includes a cylinder 801 and a plurality of hinged rods 802. The cylinder body of the cylinder 801 is fixedly installed on the mounting seat 7. The hinged rods 802 correspond to the clamping parts 4 one by one. In this embodiment, the hinged rods 802 are also correspondingly provided in two, and the two hinged rods 802 are symmetrically arranged. One end of the hinged rod 802 is hinged to the movable end of the cylinder 801, and the other end of the hinged rod 802 is hinged to the clamping part 4.

[0029] In other embodiments, the clamping drive 8 may be a driving structure commonly used in the prior art, such as an electric push rod, a screw rod group, etc., which can simultaneously drive the two hinged rods 802 to swing.

[0030] When the target material embryo is demolded, the position of the clamping part 4 is adjusted by the lifting drive 5 and the folding arm 3 so that the mold is located between the two clamping parts 4, and then the cylinder 801 is started to drive the two clamping parts 4 to approach each other until the mold is clamped. Thereafter, the lifting drive 5 drives the clamping part 4 to rise, and under the action of gravity, the target material embryo and the mold are separated, and the demolding is completed.

[0031] Reference Figure 2 The movable end of the cylinder 801 is fixedly connected with a positioning block 9, and the positioning block 9 is provided with a travel switch 10 and a fixing member for fixing the travel switch 10, and the fixing member includes a positioning bolt, and a mounting hole is provided on the positioning block 9, and the travel switch 10 is installed in the mounting hole. The positioning bolt is threadedly connected to the positioning block 9, and the positioning bolt abuts against the travel switch 10. In other embodiments, the fixing member can be a positioning structure commonly used in the prior art, such as a spring latch, and the spring latch is plugged into the positioning block 9. The travel switch 10 has a plurality of plug-in slots along its length direction, and the spring latch and the plug-in slot are adapted.

[0032] When demolding target material blanks of different types, the position of the travel switch 10 is adjusted according to the size of the mold, thereby controlling the swing range of the two clamping parts 4 to avoid damage to the mold and deformation of the target material blank due to too small a distance between the two clamping parts 4.

[0033] Reference Figure 2A clamping plate 11 is fixedly connected to the clamping portion 4, and a clamping surface of the clamping plate 11 is provided with an arc-shaped concave surface 12, which increases the contact area between the clamping portion 4 and the mold and improves the stability during demoulding.

[0034] An operating mechanism 13 is disposed on a side of the mounting seat 7 away from the clamping portion 4 . When the target material embryo is demoulded, the operating mechanism 13 can be manually controlled to control the demoulding device.

[0035] When demolding the target material blank, the upright column 2 and the folding arm 3 cooperate to move so that the target material blank is located between the two clamping parts 4, and then the cylinder 801 is started to drive the two clamping parts 4 to approach each other to clamp the mold. The movable end of the cylinder 801 moves to drive the travel switch 10 to move until the travel switch 10 is triggered, at which time the two clamping parts 4 just abut the mold. Then the lifting drive 5 is started, the folding arm 3 rises and drives the mold to rise, the target material blank and the mold are separated, and the demolding is completed.

[0036] The above embodiments are only preferred specific implementation methods of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope of the present invention according to the technical solution and concept of the present invention, which should be included in the protection scope of the present invention.

[0037] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0038] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0039] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] In the present utility model, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature may be that the first feature is directly above or obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature "below", "below" and "below" the second feature may be that the first feature is directly below or obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature. It should be noted that when an element is referred to as "fixed to" or "set on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected" to another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

Claims

1. A demoulding device, characterized in that: The invention comprises a plurality of clamping parts (4) and a clamping drive (8), wherein a clamping space is formed between the plurality of clamping parts (4), and the clamping drive (8) is used to drive the plurality of clamping parts (4) to move closer to or farther from each other; a travel switch (10) is provided at the movable end of the clamping drive (8).

2. The demoulding device according to claim 1, characterized in that: The clamping drive (8) comprises a cylinder (801) and a plurality of articulated rods (802), wherein the articulated rods (802) and the clamping parts (4) are arranged in a one-to-one correspondence, wherein one end of the articulated rod (802) is articulated to the movable end of the cylinder (801), and the other end of the articulated rod (802) is articulated to the clamping part (4); the travel switch (10) is arranged on the output end of the cylinder.

3. The demoulding device according to claim 1, characterized in that: It also comprises a base (1), a column (2), a folding arm (3) and a lifting drive (5), wherein the column (2) is rotatably connected to the base (1), the folding arm (3) is slidably connected to the column (2) along the height direction of the column (2), and the folding arm (3) is slidably raised and lowered by the lifting drive (5); the clamping portion (4) and the clamping drive (8) are both installed at the movable end of the folding arm (3).

4. The demoulding device according to claim 1, characterized in that: The movable end of the clamping drive (8) is provided with a positioning block (9), a fixing piece is provided on the positioning block (9), and the travel switch (10) is fixed on the positioning block (9) via the fixing piece.

5. The demoulding device according to claim 4, characterized in that: The fixing member comprises a positioning bolt, the positioning block (9) is provided with a mounting hole, the travel switch (10) is mounted in the mounting hole, the positioning bolt is threadedly connected to the positioning block (9), and the positioning bolt abuts against the travel switch (10).

6. The demoulding device according to claim 1, characterized in that: The clamping end of the clamping portion (4) is fixedly connected to a clamping plate (11).

7. The demoulding device according to claim 6, characterized in that: The clamping surface of the clamping plate (11) is arranged in the form of an arc-shaped concave surface (12).

8. The demoulding device according to claim 3, characterized in that: The lifting drive (5) comprises a lifting motor (501), a drag chain (502) and a gear set. The drag chain (502) rotates around the column (2). The gear set is rotatably connected to the column (2). The gear set is meshed with the drag chain (502). The lifting motor (501) is installed on the column (2) and is used to drive the gear to rotate. The folding arm (3) is fixedly connected to the drag chain (502).

Images