Synchronous clamping mechanism

Abstract

The utility model discloses a synchronous clamping mechanism, which belongs to the technical field of numerical control machine tools and comprises a base, a guide rail fixedly connected to the upper end of the base, clamping plates symmetrically and slidably mounted on the guide rail, a bidirectional threaded rod rotatably mounted in the guide rail, a gear in threaded connection with the clamping plates and fixedly connected to the outer end of the bidirectional threaded rod. The gears are sleeved with chains, the machine base is fixedly connected with a motor, a guide rail and two-way threaded rods, the number of the gears is three, the chains act on the other gear, the gears are linked through the chains, the three gears rotate synchronously, the gears drive the three two-way threaded rods to rotate synchronously, and the two-way threaded rods drive the clamping plates to clamp or loosen synchronously. The two ends are clamped at the same time, good reliability and durability are ensured, the requirement for long-term stable production can be met, the characteristics of workpieces and the production process requirements can be met, the structural design is simple, and workers can use and maintain the clamp conveniently.

Description

Technical Field

[0001] The utility model belongs to the technical field of numerically controlled machine tools, and in particular relates to a synchronous clamping mechanism. Background Art

[0002] CNC machine tools are digitally controlled machine tools, which are automated machine tools equipped with a program control system. The control system can logically process programs specified by control codes or other symbolic instructions, decode them, express them in coded numbers, and input them into the CNC device through information carriers. After calculation and processing, the CNC device sends various control signals to control the movement of the machine tool and automatically process the parts according to the shape and size required by the drawing.

[0003] When processing long strip products, multiple clamps are required for clamping. However, when operating with unrelated clamps, they need to be operated one by one, which causes the problem that conventional clamps are more troublesome to operate when clamping long strip products.

[0004] To this end, we propose a synchronous clamping mechanism to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the problem that conventional clamps are troublesome to operate when clamping long strip products, and proposes a synchronous clamping mechanism.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A synchronous clamping mechanism includes a machine base, a guide rail is fixedly connected to the upper end of the machine base, a clamping plate is symmetrically slidably installed on the guide rail, a bidirectional threaded rod is rotatably installed in the guide rail, the clamping plate is threadedly connected to the bidirectional threaded rod, a gear is fixedly connected to the outer end of the bidirectional threaded rod, a chain is sleeved on the gear, and a motor is fixedly connected to the machine base. The guide rail, the bidirectional threaded rod, and the gear are each provided with three, one of the gears is fixedly connected to the rotor of a motor, and the chain is provided with two. The motor is used to drive one of the gears to rotate, the gear acts on the chain, and the chain acts on another gear. The chain links the gears to make the three gears rotate synchronously, and the gears drive the three bidirectional threaded rods to rotate synchronously, so that the bidirectional threaded rod drives the clamping plate to clamp or release synchronously; the two ends are clamped at the same time, ensuring good reliability and durability, meeting the needs of long-term stable production, adapting to the characteristics of the workpiece and the production process requirements, and having a simple structural design, which is convenient for workers to use and maintain.

[0008] Preferably, the guide rail comprises a rail body, and a slide groove is provided on the outside of the rail body. The rail body is used to guide the sliding of the clamping plate, and the slide groove is used to increase the stability of the sliding direction of the clamping plate.

[0009] Preferably, the clamping plate comprises a plate body and a threaded seat, and the lower end of the plate body is fixedly connected to the upper end of the threaded seat. When the bidirectional threaded rod rotates, the threaded seat is driven to move by the bidirectional threaded rod, so that the two symmetrically arranged clamping plates move synchronously toward or away from each other, which facilitates the clamping plates to be clamped or loosened.

[0010] Preferably, the clamping plate further comprises a reinforcing block, which is fixedly connected between the plate body and the threaded seat, so as to increase the stability between the plate body and the threaded seat.

[0011] Preferably, the clamping plate further comprises a guide block, which is symmetrically fixedly connected to the threaded seat. The guide block is used to increase the force range between the clamping plate and the guide rail, thereby improving the stability of the clamping plate during sliding.

[0012] Preferably, the bidirectional threaded rod comprises a first threaded rod and a second threaded rod, the thread directions of the first threaded rod and the second threaded rod are opposite, and the first threaded rod and the second threaded rod are fixedly connected as a whole. When the first threaded rod and the second threaded rod rotate, one of the clamping plates is driven to move by the first threaded rod, and the other clamping plate is driven to move in the opposite direction by the second threaded rod, so as to facilitate the control of opening or closing of the clamping plates.

[0013] Preferably, the bidirectional threaded rod further comprises a retaining ring, which is fixedly connected between the first threaded rod and the second threaded rod. The retaining ring is used to block between the first threaded rod and the second threaded rod to prevent the two clamping plates from getting too close, thereby conveniently preventing the clamping plates on both sides from deviating from the original track.

[0014] In summary, the technical effects and advantages of the utility model are as follows:

[0015] 1. Use the motor to drive one of the gears to rotate, and the gear acts on the chain, and the chain acts on another gear. The chain links the gears to make the three gears rotate synchronously, and the gears drive the three bidirectional threaded rods to rotate synchronously, so that the bidirectional threaded rods drive the clamps to clamp or loosen synchronously; both ends are clamped at the same time to ensure good reliability and durability, which can meet the needs of long-term stable production, adapt to the characteristics of the workpiece and the production process requirements, and have a simple structural design, which is convenient for workers to use and maintain.

[0016] 2. When the bidirectional threaded rod rotates, the threaded seat is driven to move by the bidirectional threaded rod, so that two symmetrically arranged clamping plates move synchronously toward or away from each other, which is convenient for driving the clamping plates to clamp or loosen.

[0017] 3. When the first threaded rod and the second threaded rod rotate, one of the clamping plates is driven to move by the first threaded rod, and the other clamping plate is driven to move in the opposite direction by the second threaded rod, so as to facilitate the control of opening or closing of the clamping plates. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the guide rail structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the splint structure of the utility model;

[0021] Figure 4 It is a schematic diagram of the bidirectional threaded rod structure of the utility model.

[0022] In the figure: 1. machine base; 2. guide rail; 3. clamping plate; 4. bidirectional threaded rod; 5. motor; 6. gear; 7. chain; 21. rail body; 22. slide groove; 31. plate body; 32. reinforcement block; 33. guide block; 34. threaded seat; 41. first threaded rod; 42. retaining ring; 43. second threaded rod. DETAILED DESCRIPTION

[0023] The technical solutions in the utility model embodiments will be described clearly and completely below in conjunction with the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the utility model embodiments, rather than all of the embodiments.

[0024] Reference Figure 1 A synchronous clamping mechanism includes a machine base 1, a guide rail 2 is fixedly connected to the upper end of the machine base 1, a clamping plate 3 is symmetrically slidably installed on the guide rail 2, a bidirectional threaded rod 4 is rotatably installed in the guide rail 2, the clamping plate 3 is threadedly connected to the bidirectional threaded rod 4, a gear 6 is fixedly connected to the outer end of the bidirectional threaded rod 4, a chain 7 is sleeved on the gear 6, a motor 5 is fixedly connected to the machine base 1, three guide rails 2, three bidirectional threaded rods 4, and three gears 6 are provided, one of which is fixedly connected to the rotor of a motor 5, and two chains 7 are provided.

[0025] Reference Figure 1 and 2 The guide rail 2 includes a rail body 21, the lower end of which is fixedly connected to the base 1, and a slide groove 22 is provided on the outside of the rail body 21. The rail body 21 is used to guide the clamping plate 3 to slide, and the slide groove 22 is used to increase the stability of the clamping plate 3 in the sliding direction.

[0026] Reference Figure 1 , 2 3, the clamping plate 3 includes a plate body 31 and a threaded seat 34, the threaded seat 34 is slidably mounted on the rail body 21, and the lower end of the plate body 31 is fixedly connected to the upper end of the threaded seat 34. When the bidirectional threaded rod 4 rotates, the threaded seat 34 is driven to move by the bidirectional threaded rod 4, so that the two symmetrically arranged clamping plates 3 move synchronously toward or away from each other.

[0027] Reference Figure 1 and 3The clamping plate 3 further includes a reinforcing block 32, which is fixedly connected between the plate body 31 and the threaded seat 34. The reinforcing block 32 is used to increase the stability between the plate body 31 and the threaded seat 34.

[0028] Reference Figure 1 , 2 3, the clamping plate 3 also includes a guide block 33, the guide block 33 is slidably embedded in the slide groove 22, and the guide block 33 is symmetrically fixedly connected to the threaded seat 34. The guide block 33 is used to increase the force range between the clamping plate 3 and the guide rail 2.

[0029] Reference Figure 1 , 2 , 3 and 4, the bidirectional threaded rod 4 includes a first threaded rod 41 and a second threaded rod 43, the first threaded rod 41 and the second threaded rod 43 are rotatably mounted in the rail body 21, the first threaded rod 41 and the second threaded rod 43 are both threadedly mounted on the clamping plate 3 through the threaded seat 34, the thread directions of the first threaded rod 41 and the second threaded rod 43 are opposite, and the first threaded rod 41 and the second threaded rod 43 are fixedly connected as a whole. When the first threaded rod 41 and the second threaded rod 43 rotate, one of the clamping plates 3 is driven to move through the first threaded rod 41, and the other clamping plate 3 is driven to move in the opposite direction through the second threaded rod 43.

[0030] Reference Figure 1 and 4 The bidirectional threaded rod 4 also includes a retaining ring 42, which is fixedly connected between the first threaded rod 41 and the second threaded rod 43. The retaining ring 42 is used to block between the first threaded rod 41 and the second threaded rod 43 to prevent the two clamping plates 3 from being too close to each other and to prevent the clamping plates 3 on both sides from being separated from the original track.

[0031] Working principle: use the motor 5 to drive one of the gears 6 to rotate, and the gear 6 acts on the chain 7, and the chain 7 acts on another gear 6, and the chain 7 links the gear 6 to make the three gears 6 rotate synchronously, and the gear 6 drives the three bidirectional threaded rods 4 to rotate synchronously, so that the bidirectional threaded rod 4 drives the clamp 3 to clamp or loosen synchronously.

[0032] The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited to it. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the utility model according to the technical scheme and utility model concept of the utility model, which should be covered by the protection scope of the utility model.

[0033] The description briefly mentions the application direction of the utility model for the prior art that is known to those skilled in the art and has not been changed, and combines it with the utility model to form a complete technology; the description avoids over-popularizing the technology familiar to those skilled in the art, and is used to assist those skilled in the art to quickly understand the main content of the utility model.

Claims

1. A synchronous clamping mechanism, characterized in that: The invention comprises a machine base (1), wherein the upper end of the machine base (1) is fixedly connected to a guide rail (2), a clamping plate (3) is symmetrically slidably mounted on the guide rail (2), a bidirectional threaded rod (4) is rotatably mounted in the guide rail (2), the clamping plate (3) is threadedly connected to the bidirectional threaded rod (4), a gear (6) is fixedly connected to the outer end of the bidirectional threaded rod (4), a chain (7) is sleeved on the gear (6), a motor (5) is fixedly connected to the machine base (1), three guide rails (2), three bidirectional threaded rods (4) and three gears (6) are provided, one of the gears (6) is fixedly connected to a rotor of the motor (5), and two chains (7) are provided.

2. A synchronous clamping mechanism according to claim 1, characterized in that: The guide rail (2) comprises a rail body (21), and a sliding groove (22) is provided on the outside of the rail body (21).

3. A synchronous clamping mechanism according to claim 1, characterized in that: The clamping plate (3) comprises a plate body (31) and a threaded seat (34), and the lower end of the plate body (31) is fixedly connected to the upper end of the threaded seat (34).

4. A synchronous clamping mechanism according to claim 3, characterized in that: The clamping plate (3) further comprises a reinforcing block (32), wherein the reinforcing block (32) is fixedly connected between the plate body (31) and the threaded seat (34).

5. A synchronous clamping mechanism according to claim 3, characterized in that: The clamping plate (3) also includes a guide block (33), and the guide block (33) is symmetrically fixedly connected to the threaded seat (34).

6. A synchronous clamping mechanism according to claim 1, characterized in that: The bidirectional threaded rod (4) comprises a first threaded rod (41) and a second threaded rod (43); the thread directions of the first threaded rod (41) and the second threaded rod (43) are opposite; the first threaded rod (41) and the second threaded rod (43) are fixedly connected as a whole.

7. A synchronous clamping mechanism according to claim 6, characterized in that: The bidirectional threaded rod (4) further comprises a retaining ring (42), wherein the retaining ring (42) is fixedly connected between the first threaded rod (41) and the second threaded rod (43).

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