Automatic hold-down cover plate for appearance processing

Abstract

The utility model discloses an automatic hold-down cover plate for appearance processing, which comprises a cover plate, a clamping component and a support plate, a to-be-clamped piece is mounted on the upper surface of the cover plate, the clamping component is matched with the to-be-clamped piece in a clamping manner, the horizontally arranged support plate can move in the vertical direction, an opening and closing cylinder is fixedly mounted on the lower surface of the support plate, and the opening and closing cylinder is fixedly mounted on the lower surface of the support plate. A push block is installed at the upper end of a piston rod of the opening and closing air cylinder, a supporting seat is installed on the upper surface of the supporting plate and located on the right side of the piston rod of the opening and closing air cylinder, one end of a rotating plate is rotationally connected with the push block through a pin shaft, and a connecting rod is rotationally installed at the upper end of the supporting seat. And the other end of the connecting rod of which one end is connected with the supporting seat is connected with the rotating plate. While the cover plate is automatically opened and closed, the position accuracy of the cover plate in the process of repeatedly pressing the cover plate for multiple times for a long time can be ensured, so that the stability of pressing a workpiece is ensured, and the pushing damage to the workpiece in the process of opening and closing the cover plate can be avoided.

Description

Technical Field

[0001] The utility model relates to an automatic pressing cover plate for shape processing, belonging to the technical field of CNC processing. Background Art

[0002] Machining jigs are an indispensable part of CNC machining, and the rationality of the machining jig design directly affects the machining efficiency of the workpiece. In the machining process of the prior art machining jigs, the cover plate needs to be opened and closed repeatedly for a long time to hold the workpiece to be processed. However, the position accuracy of the cover plate during long-term repeated pressing is difficult to ensure, so the stability of the workpiece cannot be guaranteed, and the workpiece is easily pushed during the opening and closing process, causing damage to the workpiece. Utility Model Content

[0003] The purpose of the utility model is to provide an automatically pressed cover plate with an outer shape processing, which can realize automatic opening and closing of the cover plate while ensuring the position accuracy of the cover plate during long-term and repeated pressing of the cover plate, thereby ensuring the stability of the pressing of the workpiece, and avoiding the damage to the workpiece caused by the displacement during the opening and closing of the cover plate.

[0004] The cam is an airtight container, the upper end of which is provided with a plurality of movable parts, and the movable part is provided with a plurality of movable parts, and the movable part is provided with a plurality of movable parts.

[0005] The further improved scheme in the above technical scheme is as follows:

[0006] 1. In the above scheme, a lifting cylinder is respectively arranged below the two ends of the support plate, and the piston rod of the lifting cylinder is connected to the lower surface of the support plate to drive the support plate to move in the vertical direction.

[0007] 2. In the above solution, a machine platform is arranged below the cover plate, at least two positioning posts are arranged on the upper surface of the machine platform and at the edge of the cover plate, and at least two positioning holes cooperating with the positioning posts are opened on the cover plate.

[0008] 3. In the above solution, the support plate and the machine table are connected by at least two sets of guide pillars and guide sleeves.

[0009] 4. In the above scheme, the two guide sleeves are respectively installed at the two ends of the support plate, and one end of each of the two vertically arranged guide pillars is connected to the machine table, and the other end is correspondingly embedded in the guide sleeve and slidably cooperates with the guide sleeve.

[0010] 5. In the above scheme, a guide support is installed on the upper surface of the support plate, and the first side plate and the second side plate of the guide support are respectively located on the front and rear sides of the rotating plate, and the first side plate and the second side plate are each provided with a guide groove for the pin shaft to be embedded in. When the piston rod of the opening and closing cylinder is in an extended state, the pin shaft is located at the upper end of the guide groove extending in the vertical direction, and when the piston rod of the opening and closing cylinder is in a contracted state, the pin shaft is located at the lower end of the guide groove.

[0011] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0012] The cam is provided with a plurality of movable parts, and the movable part is provided with a plurality of movable parts, and the movable part is provided with a plurality of movable parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Attached Figure 1 It is a structural schematic diagram of the automatic pressing cover plate processed by the utility model;

[0014] Attached Figure 2 For the utility model Figure 1 The enlarged schematic diagram of point A in the middle;

[0015] Attached Figure 3 It is a partial structural schematic diagram of the automatic pressing cover plate processed by the utility model;

[0016] Attached Figure 4 For the utility model Figure 3Schematic diagram of the cross section along BB.

[0017] In the above drawings: 100, cover plate; 101, part to be clamped; 200, clamping assembly; 300, machine table; 1, support plate; 2, lifting cylinder; 3, opening and closing cylinder; 4, piston rod; 5, push block; 6, support seat; 7, rotating plate; 8, pin shaft; 9, connecting rod; 10, guide support; 11, first side plate; 12, second side plate; 13, guide groove; 151, positioning column; 152, positioning hole; 161, guide column; 162, guide sleeve. DETAILED DESCRIPTION

[0018] The present invention can be further understood through the specific embodiments given below, but they are not intended to limit the present invention.

[0019] Embodiment 1: An automatic pressing cover plate for shape processing, comprising: a cover plate 100 with a to-be-clamped part 101 mounted on the upper surface, a clamping assembly 200 and a support plate 1 clamped and matched with the to-be-clamped part 101, the horizontally arranged support plate 1 can move in the vertical direction, an opening and closing cylinder 3 is fixedly mounted on the lower surface of the support plate 1, a push block 5 is mounted on the upper end of the piston rod 4 of the opening and closing cylinder 3, a support seat 6 is mounted on the upper surface of the support plate 1 and located on the right side of the piston rod 4 of the opening and closing cylinder 3, a One end of the rotating plate 7 is rotatably connected to the push block 5 through a pin shaft 8, and the other end of the rotating plate 7 extends to the right and is installed with the clamping assembly 200. A connecting rod 9 is rotatably installed on the upper end of the support seat 6, and the other end of the connecting rod 9 connected to the support seat 6 at one end is connected to the rotating plate 7. When the piston rod 4 of the opening and closing cylinder 3 is in an extended state, the rotating plate 7 is in a horizontal state and the connecting rod 9 is in a vertical state, and the clamping assembly 200 is located above the to-be-clamped part 101 on the cover plate 100;

[0020] When in use, the workpiece to be processed is placed on the machine table, and the supporting plate is first driven to move up to a high position by the lifting cylinder, and then the push block is driven to move up to a high position by the opening and closing cylinder, so that the rotating plate that rotates with the upward movement of the push block rotates to a horizontal level, and the clamping assembly installed on the rotating plate rotates to the top of the workpiece to be clamped on the cover plate;

[0021] Next, the support plate is driven downward by the lifting cylinder, and the opening and closing cylinder, the rotating plate, and the clamping assembly all move downward accordingly. Then, the clamping cooperation between the clamping assembly and the part to be clamped is used to achieve stable clamping of the entire cover plate. The clamping assembly and the part to be clamped here do not belong to the invention of this patent. They can be obtained through external purchase, or the scheme in the applicant's prior application (application number 2024102325213) can be adopted, which will not be repeated here.

[0022] A lifting cylinder 2 is disposed below each of the two ends of the support plate 1 , and a piston rod of the lifting cylinder 2 is connected to the lower surface of the support plate 1 for driving the support plate 1 to move in the vertical direction.

[0023] A machine platform 300 is disposed below the cover plate 100. At least two positioning posts 151 are disposed on the upper surface of the machine platform 300 and at the edge of the cover plate 100. At least two positioning holes 152 cooperating with the positioning posts 151 are opened on the cover plate 100.

[0024] The support plate is driven up to a high position by the lifting cylinder again, and the opening and closing cylinder, rotating plate, clamping assembly and the cover plate clamped by the clamping assembly are all moved up accordingly, so that the positioning holes on the cover plate are separated from the positioning columns on the machine table, and at the same time, they are installed perpendicularly away from the processed workpiece surface without damaging the workpiece.

[0025] The support plate 1 and the machine platform 300 are connected by at least two groups of guide pillars 161 and guide sleeves 162 .

[0026] Embodiment 2: An automatic pressing cover plate, comprising: a cover plate 100 with a to-be-clamped part 101 mounted on the upper surface, a clamping assembly 200 and a support plate 1 clamped and matched with the to-be-clamped part 101, the horizontally arranged support plate 1 can move in the vertical direction, an opening and closing cylinder 3 is fixedly mounted on the lower surface of the support plate 1, a push block 5 is mounted on the upper end of the piston rod 4 of the opening and closing cylinder 3, a support seat 6 is mounted on the upper surface of the support plate 1 and located on the right side of the piston rod 4 of the opening and closing cylinder 3, a rotating plate One end of the rotating plate 7 is rotatably connected to the push block 5 through a pin shaft 8, the other end of the rotating plate 7 extends to the right and is installed with the clamping assembly 200, the upper end of the support seat 6 is rotatably installed with a connecting rod 9, one end of the connecting rod 9 connected to the support seat 6 is connected to the rotating plate 7 at the other end, when the piston rod 4 of the opening and closing cylinder 3 is in an extended state, the rotating plate 7 is in a horizontal state and the connecting rod 9 is in a vertical state, and the clamping assembly 200 is located above the to-be-clamped part 101 on the cover plate 100;

[0027] The piston rod of the lifting cylinder is placed in an extended state, and at the same time, the opening and closing cylinder drives the push block to move up to a high position, so that the rotating plate that rotates with the upward movement of the push block and the cover plate clamped by the clamping assembly on the rotating plate are all rotated from a 90° position to a horizontal position, and then the supporting plate is driven downward by the lifting cylinder, and the opening and closing cylinder, the rotating plate, the clamping assembly and the cover plate clamped by the clamping assembly on the rotating plate are all moved downward until they contact the workpiece to be processed, and the positioning column on the machine table passes through the positioning hole on the cover plate to ensure the position accuracy of the cover plate;

[0028] Afterwards, the clamping assembly releases the part to be clamped, and the support plate is driven to move up to a high position again by the lifting cylinder. The opening and closing cylinder, the rotating plate, and the clamping assembly are all moved up and separated from the cover plate, and then the push block is driven to move down to a low position by the opening and closing cylinder.

[0029] A machine platform 300 is disposed below the cover plate 100 . At least two positioning posts 151 are disposed on the upper surface of the machine platform 300 and at the edge of the cover plate 100 . At least two positioning holes 152 cooperating with the positioning posts 151 are opened on the cover plate 100 .

[0030] The support plate 1 and the machine platform 300 are connected by at least two groups of guide pillars 161 and guide sleeves 162 .

[0031] The two guide sleeves 162 are respectively installed at both ends of the support plate 1 , and one end of each of the two vertically arranged guide posts 161 is connected to the machine table 300 , and the other end is correspondingly embedded in the guide sleeve 162 and slidably matched with the guide sleeve 162 .

[0032] A guide support 10 is installed on the upper surface of the support plate 1. The first side plate 11 and the second side plate 12 of the guide support 10 are respectively located at the front and rear sides of the rotating plate 7. The first side plate 11 and the second side plate 12 are both provided with a guide groove 13 for the pin shaft 8 to be embedded. When the piston rod 4 of the opening and closing cylinder 3 is in an extended state, the pin shaft 8 is located at the upper end of the guide groove 13 extending in the vertical direction. When the piston rod 4 of the opening and closing cylinder 3 is in a retracted state, the pin shaft 8 is located at the lower end of the guide groove 13.

[0033] Before processing, the push block is driven to move down to the low position by the opening and closing cylinder. During this process, the pin first moves downward along the guide groove, and the rotating plate connected to the push block through the pin rotates from the horizontal position to the vertical (90°) position, and at the same time drives the clamped cover plate to rotate from the horizontal position to the vertical position;

[0034] Then, the processed workpiece on the carrier is removed manually or by automated equipment, and a new workpiece to be processed is placed on the machine table;

[0035] After the processing is completed, the support plate is driven to move up to a high position by the lifting cylinder, and the opening and closing cylinder, the rotating plate, the clamping assembly and the cover plate clamped by the clamping assembly are all moved up accordingly, so that the positioning holes on the cover plate are separated from the positioning columns on the machine table, and at the same time, they are installed vertically away from the processed workpiece surface without damaging the workpiece.

[0036] The working principle of the utility model is as follows:

[0037] When in use, the workpiece to be processed is placed on the machine table, and the supporting plate is first driven to move up to a high position by the lifting cylinder, and then the push block is driven to move up to a high position by the opening and closing cylinder, so that the rotating plate that rotates with the upward movement of the push block rotates to a horizontal level, and the clamping assembly installed on the rotating plate rotates to the top of the workpiece to be clamped on the cover plate; at this time, the connecting rod rotates to a vertical state, and the pin moves to the upper end of the guide groove;

[0038] Next, the support plate is driven downward by the lifting cylinder, and the opening and closing cylinder, the rotating plate, and the clamping assembly are all moved downward accordingly. Then, the clamping cooperation between the clamping assembly and the part to be clamped is used to achieve stable clamping of the entire cover plate. The clamping assembly and the part to be clamped here do not belong to the invention of this patent. They can be obtained through external purchase or by adopting the scheme in the applicant's prior application (application number 2024102325213), which will not be described here.

[0039] The support plate is driven to move up to a high position by the lifting cylinder again, and the opening and closing cylinder, the rotating plate, the clamping assembly and the cover plate clamped by the clamping assembly are all moved up accordingly, so that the positioning hole on the cover plate is separated from the positioning column on the machine table, and the cover plate is installed vertically away from the processed workpiece surface without damaging the workpiece;

[0040] Then the push block is driven to move down to the low position by the opening and closing cylinder. During this process, the pin first moves downward along the guide groove, and the rotating plate connected to the push block through the pin rotates from the horizontal position to the vertical (90°) position, and at the same time drives the clamped cover plate to rotate from the horizontal position to the vertical position;

[0041] Then, the processed workpiece on the carrier is removed manually or by automated equipment, and a new workpiece to be processed is placed on the machine table;

[0042] The piston rod of the lifting cylinder is placed in an extended state, and at the same time, the opening and closing cylinder drives the push block to move up to a high position, so that the rotating plate that rotates with the upward movement of the push block and the cover plate clamped by the clamping assembly on the rotating plate are all rotated from a 90° position to a horizontal position, and then the supporting plate is driven downward by the lifting cylinder, and the opening and closing cylinder, the rotating plate, the clamping assembly and the cover plate clamped by the clamping assembly on the rotating plate are all moved downward until they contact the workpiece to be processed, and the positioning column on the machine table passes through the positioning hole on the cover plate to ensure the position accuracy of the cover plate;

[0043] Afterwards, the clamping assembly releases the part to be clamped, and the support plate is driven to move up to a high position again by the lifting cylinder. The opening and closing cylinder, the rotating plate, and the clamping assembly are all moved up and separated from the cover plate, and then the push block is driven to move down to a low position by the opening and closing cylinder.

[0044] When the automatic pressing cover plate with the above-mentioned shape processing is adopted, it can realize the automatic opening and closing of the cover plate while ensuring the position accuracy of the cover plate during long-term and repeated pressing of the cover plate, thereby ensuring the stability of the pressing of the workpiece, and avoiding the damage to the workpiece caused by the displacement during the opening and closing of the cover plate.

[0045] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with the technology to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. An automatic pressing cover plate for shape processing, comprising: A cover plate (100) having a part to be clamped (101) mounted on its upper surface, a clamping assembly (200) clamping and cooperating with the part to be clamped (101), and a support plate (1), characterized in that: the support plate (1) arranged horizontally can move in the vertical direction, an opening and closing cylinder (3) is fixedly mounted on the lower surface of the support plate (1), a push block (5) is mounted on the upper end of the piston rod (4) of the opening and closing cylinder (3), a support seat (6) is mounted on the upper surface of the support plate (1) and located on the right side of the piston rod (4) of the opening and closing cylinder (3), and one end of a rotating plate (7) is passed through The rotating plate (7) is rotatably connected to the push block (5) via a pin shaft (8); the other end of the rotating plate (7) extends to the right and is installed with the clamping assembly (200); a connecting rod (9) is rotatably installed on the upper end of the support seat (6); one end of the connecting rod (9) is connected to the support seat (6) and the other end is connected to the rotating plate (7); when the piston rod (4) of the opening and closing cylinder (3) is in an extended state, the rotating plate (7) is in a horizontal state and the connecting rod (9) is in a vertical state, and the clamping assembly (200) is located above the part to be clamped (101) on the cover plate (100).

2. The automatic pressing cover plate for shape processing according to claim 1, characterized in that: A lifting cylinder (2) is provided below each of the two ends of the support plate (1); a piston rod of the lifting cylinder (2) is connected to the lower surface of the support plate (1) and is used to drive the support plate (1) to move in a vertical direction.

3. The automatic pressing cover plate for shape processing according to claim 1, characterized in that: A machine platform (300) is arranged below the cover plate (100), at least two positioning columns (151) are arranged on the upper surface of the machine platform (300) and at the edge of the cover plate (100), and at least two positioning holes (152) cooperating with the positioning columns (151) are opened on the cover plate (100).

4. The automatic pressing cover plate for shape processing according to claim 3 is characterized in that: The support plate (1) and the machine platform (300) are connected by means of at least two groups of guide pillars (161) and guide sleeves (162).

5. The automatic pressing cover plate for shape processing according to claim 4 is characterized in that: The two guide sleeves (162) are respectively mounted on the two ends of the support plate (1); one end of each of the two vertically arranged guide pillars (161) is connected to the machine table (300), and the other end is correspondingly embedded in the guide sleeve (162) and slidably matched with the guide sleeve (162).

6. The automatic pressing cover plate for shape processing according to claim 1, characterized in that: A guide support (10) is installed on the upper surface of the support plate (1). The first side plate (11) and the second side plate (12) of the guide support (10) are respectively located at the front and rear sides of the rotating plate (7). The first side plate (11) and the second side plate (12) are both provided with a guide groove (13) for the pin shaft (8) to be inserted. When the piston rod (4) of the opening and closing cylinder (3) is in an extended state, the pin shaft (8) is located at the upper end of the guide groove (13) extending in the vertical direction. When the piston rod (4) of the opening and closing cylinder (3) is in a contracted state, the pin shaft (8) is located at the lower end of the guide groove (13).

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