Plastic part producing, processing and assembling table

Abstract

The invention relates to the technical field of plastic part machining, in particular to a plastic part producing, machining and assembling table. The clamping device comprises a machine body, a support is fixedly connected to the machine body, a limiting mechanism for elastic clamping is arranged in the support, an auxiliary mechanism is arranged on the limiting mechanism, the limiting mechanism elastically moves to clamp workpieces of different shapes, and the limiting mechanism is matched with the auxiliary mechanism in the elastic moving process of the limiting mechanism, so that the limiting end of the limiting mechanism generates suction force. A hydraulic rod is started to drive a suction cup to limit and fix a plastic part, and an elastic material of the suction cup can prevent the surface of the plastic part from being damaged in the fixing process; when the plastic part in an irregular shape is limited, the suction cup abutting against the plastic part is extruded to move towards the interior of the fixing rod, the buffering effect is achieved in the elastic moving process of the suction cup, damage to the plastic part during fixing is further reduced, and the suction cup can be attached to the outer wall of the irregular plastic part through elastic moving.

Description

Technical Field

[0001] The invention relates to the technical field of plastic parts processing, in particular to a plastic parts production and processing assembly table. Background Art

[0002] Plastic products are a general term for daily necessities and industrial products made of plastic as the main raw material, including products made from all processes such as injection molding and blister molding. Plastic parts usually need to be assembled during the production and processing process. After assembly, they can form a complete system so that the various components can work together to bring out the overall function of the product. In addition, when assembling plastic parts, they need to be placed on a jig for positioning before assembly to avoid displacement of the plastic parts during the assembly process.

[0003] When assembling existing plastic parts, most of them are fixed on the workbench by mechanical clamps to prevent them from moving during assembly. However, when faced with irregularly shaped plastic parts, the jaws or fixing structure of the mechanical clamp are difficult to fit the contour of the plastic parts. This makes it possible for the mechanical clamp to fail to effectively clamp the parts that need to be fixed, which can easily lead to some areas of the plastic parts still being able to move freely during the assembly process, thereby affecting the assembly accuracy. In addition, when clamping plastic parts, the mechanical clamps achieve fixation by applying mechanical pressure. If the clamping force of the clamp is too large, it is easy to leave indentations and scratches on the surface of the plastic parts, and even cause the plastic parts to deform. In view of this, we propose a plastic parts production and processing assembly table. Summary of the invention

[0004] The object of the present invention is to provide a plastic parts production, processing and assembly platform to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides a plastic parts production and processing assembly table, including a machine body, a bracket fixedly connected to the machine body, an elastic clamping limit mechanism is arranged inside the bracket, an auxiliary mechanism is arranged on the limit mechanism, and the limit mechanism elastically moves to clamp workpieces of different shapes, and cooperates with the auxiliary mechanism during the elastic movement of the limit mechanism, so that the limit end of the limit mechanism generates suction.

[0006] As a further improvement of the present technical solution, the limiting mechanism includes at least a mounting block slidably connected to the machine body, one side of the mounting block is slidably connected to a plurality of T-shaped rods, a side of the T-shaped rod away from the mounting block is rotatably connected to a ball block, and a side of the ball block away from the T-shaped rod is fixedly connected to a suction cup.

[0007] As a further improvement of the technical solution, the auxiliary mechanism at least includes a plurality of fixing rods fixedly connected to a side of the mounting block close to the T-shaped rod, and the T-shaped rod is slidably connected to the fixing rods.

[0008] As a further improvement of the technical solution, a No. 1 return spring is fixedly connected to the inner wall of the fixed rod, and a side of the No. 1 return spring away from the fixed rod is fixedly connected to a side of the T-shaped rod located inside the fixed rod.

[0009] As a further improvement of the technical solution, an air inlet groove is opened inside the suction cup, and the air inlet groove runs through the ball block, and the air inlet groove is wide at the front and narrow at the back.

[0010] As a further improvement of the technical solution, a ventilation groove is provided inside the T-shaped rod, and one side of the ventilation groove passes through the inner wall of the T-shaped rod.

[0011] As a further improvement of the technical solution, two positioning blocks are fixedly connected to one side of the ball block located inside the T-shaped rod, and the two positioning blocks are symmetrically arranged on both sides of the ball block with the center of the ball block as a reference.

[0012] As a further improvement of the technical solution, a No. 2 return spring is sleeved on the two positioning blocks, and the side of the No. 2 return spring away from the positioning block is fixedly connected to the inner wall of the T-bar.

[0013] As a further improvement of the technical solution, the limiting mechanism and the auxiliary mechanism are provided in two groups and are symmetrically arranged on both sides of the machine body. Two hydraulic rods are fixedly installed on the inner wall of the bracket, and the output ends of the two hydraulic rods are fixedly connected to adjacent mounting blocks respectively.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. In the plastic parts production and processing assembly table, the suction cup is driven by the hydraulic rod to limit and fix the plastic parts placed on the machine body. The elastic material of the suction cup can effectively avoid damage to the surface of the plastic parts during the fixing process;

[0016] When limiting the position of irregularly shaped plastic parts, when the hydraulic rod drives the mounting block to move, the suction cup that first contacts the plastic part is squeezed and moves toward the inside of the fixing rod. During the elastic movement of the suction cup, it not only has a buffering effect, which can further reduce the damage to the plastic part during fixation, but also the elastic movement of the suction cup can fit the outer wall of the irregular plastic part, thereby greatly improving the stability of the suction cup when fixing the plastic part.

[0017] 2. In the plastic parts production and processing assembly table, when the suction cup moves toward the inside of the fixed rod, suction is generated inside the fixed rod. At the same time, gas enters the fixed rod through the suction cup and suction is generated around the suction cup, thereby further improving the suction cup's adsorption and fixation effect on the plastic parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1It is a schematic diagram of the overall three-dimensional structure of the present invention;

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the limiting mechanism and the auxiliary mechanism of the present invention;

[0020] Figure 3 It is a cross-sectional schematic diagram of the mounting block of the present invention;

[0021] Figure 4 is a cross-sectional schematic diagram of a fixing rod of the present invention;

[0022] Figure 5 It is a schematic diagram of the enlarged structure of point A of the present invention;

[0023] Figure 6 It is an exploded view of the limiting mechanism and the auxiliary mechanism of the present invention;

[0024] Figure 7 It is a schematic diagram of a half-section structure of a fixing rod of the present invention;

[0025] Figure 8 It is a sectional plan view of the fixing rod of the present invention.

[0026] The meaning of each number in the figure is:

[0027] 100, machine body; 110, bracket; 120, hydraulic rod;

[0028] 200, limit mechanism; 210, mounting block; 211, T-shaped rod; 212, ball block; 213, suction cup; 220, positioning block; 221, No. 2 return spring; 230, air inlet groove; 240, ventilation groove;

[0029] 300. Auxiliary mechanism; 310. Fixed rod; 311. Return spring No. 1. DETAILED DESCRIPTION

[0030] The following will be combined with the accompanying drawings in the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] See also Figure 1-Figure 8As shown, the present embodiment provides a plastic parts production and processing assembly station, including a body 100, to which a bracket 110 is fixedly connected, an elastically clamping limiting mechanism 200 is arranged inside the bracket 110, an auxiliary mechanism 300 is arranged on the limiting mechanism 200, and the limiting mechanism 200 elastically moves to clamp workpieces of different shapes and fits with the outer wall of the irregular plastic part, thereby improving the stability of the limiting mechanism 200 when fixing the plastic part, and the limiting mechanism 200 cooperates with the auxiliary mechanism 300 during the elastic movement, so that the limiting end of the limiting mechanism 200 generates suction, thereby enhancing the effect of adsorbing and fixing the plastic part.

[0032] The present invention takes into account that in the existing plastic parts assembly, most of the plastic parts are fixed on the workbench by mechanical clamps to prevent them from moving during assembly. However, when facing irregular-shaped plastic parts, the jaws or fixing structures of the mechanical clamps are difficult to fit the contour of the plastic parts, which makes it possible for the mechanical clamps to be unable to effectively clamp the parts that need to be fixed. Therefore, a limiting mechanism 200 and an auxiliary mechanism 300 are provided, and the limiting mechanism 200 elastically moves in the auxiliary mechanism 300 to fit the outer wall of the irregular plastic part, thereby ensuring that the limiting mechanism 200 can fit closely with various parts of the outer wall of the plastic part, greatly improving the stability of the plastic part fixation and preventing the plastic part from accidentally moving during the assembly process.

[0033] In addition, when the limiting mechanism 200 elastically moves inside the auxiliary mechanism 300, the volume of the side of the auxiliary mechanism 300 close to the limiting end of the limiting mechanism 200 gradually increases. At the same time, the internal air pressure of the side of the auxiliary mechanism 300 close to the limiting end of the limiting mechanism 200 decreases, thereby forming an air pressure difference with the air pressure outside the limiting mechanism 200. At this time, the external gas is sucked into the auxiliary mechanism 300 through the limiting mechanism 200. During the gas suction process, suction is generated around the limiting end of the limiting mechanism 200, thereby increasing the effect of the limiting end of the limiting mechanism 200 on adsorbing and fixing the plastic part;

[0034] It is also taken into consideration that when a mechanical clamp clamps a plastic part, it fixes it by applying mechanical pressure. If the clamping force of the clamp is too large, it is easy to leave an indentation on the surface of the plastic part. Therefore, the end of the limiting mechanism 200 that contacts the plastic part is made of elastic material, which can effectively avoid indentations on the surface of the plastic part during the fixing process, and has a buffering effect during the elastic movement of the limiting mechanism 200, further reducing damage to the plastic part during fixing.

[0035] Considering the need to fix plastic parts, such as Figure 4-Figure 6As shown, the specific structure of the limiting mechanism 200 is further disclosed. The limiting mechanism 200 at least includes a mounting block 210 slidably connected to the body 100, and a plurality of T-shaped rods 211 are slidably connected to one side of the mounting block 210. A ball block 212 is rotatably connected to the side of the T-shaped rod 211 away from the mounting block 210, and a suction cup 213 is fixedly connected to the side of the ball block 212 away from the T-shaped rod 211. The mounting block 210 moves, driving the fixed rod 310 to move, thereby driving the T-shaped rod 211 to move, and then driving the ball block 212 to move. The movement of the ball block 212 drives the suction cup 213 to limit and fix the plastic part placed on the body 100.

[0036] Plastic parts have irregular shapes and need to be better fixed, such as Figure 4-Figure 6 As shown, the specific structure of the auxiliary mechanism 300 is further disclosed. The auxiliary mechanism 300 at least includes a plurality of fixing rods 310 fixedly connected to a side of the mounting block 210 close to the T-shaped rod 211, and the T-shaped rod 211 is slidably connected to the fixing rods 310;

[0037] When one of the suction cups 213 first touches the plastic part, the mounting block 210 continues to move, so that the other suction cups 213 can contact other parts of the plastic part, so that the suction cup 213 that first contacts the plastic part is squeezed and drives the T-shaped rod 211 to move inside the fixing rod 310;

[0038] When the T-shaped rod 211 moves toward the inside of the fixed rod 310, the space on one side of the fixed rod 310 close to the ball block 212 gradually increases, so that the internal air pressure decreases, thereby forming an air pressure difference with the air pressure outside the T-shaped rod 211. Figure 8 As shown by the arrow a, at this time, the gas outside the T-shaped rod 211 enters the mounting block 210 through the suction cup 213 and the T-shaped rod 211. Since the external gas is sucked into the inside of the T-shaped rod 211 from the suction cup 213, the suction cup 213 can generate suction, thereby increasing the effect of the suction cup 213 on adsorbing and fixing the plastic part.

[0039] After the irregular plastic part is fixed, the lengths of the multiple T-shaped rods 211 extending outside the fixing rod 310 are different. Considering that the T-shaped rods 211 need to be reset and moved when the plastic part is not limited later, such as Figure 4As shown, a No. 1 return spring 311 is fixedly connected to the inner wall of the fixing rod 310, and the side of the No. 1 return spring 311 away from the fixing rod 310 is fixedly connected to the side of the T-shaped rod 211 located inside the fixing rod 310. A No. 1 return spring 311 is provided. When the T-shaped rod 211 is subjected to pressure and moves toward the inside of the fixing rod 310, the No. 1 return spring 311 is deformed by the force. After the T-shaped rod 211 is no longer subjected to pressure, the No. 1 return spring 311 can drive the T-shaped rod 211 to return and move under the force of restoring the deformation, so as to prepare for the next limit. In addition, when the suction cup 213 fixes the plastic part, the No. 1 return spring 311 can play a buffering role, effectively avoiding damage to the plastic part during the fixing process.

[0040] In order for external gas to flow from the suction cup 213 into the interior of the T-shaped rod 211, as shown in FIG. Figure 7-Figure 8 As shown, an air inlet groove 230 is opened inside the suction cup 213, and the air inlet groove 230 runs through the ball block 212. The air inlet groove 230 is wide in front and narrow in the back. When the suction cup 213 contacts the plastic part and forms a sealed space, air flows in from the air inlet groove 230 as external pressure acts. The air inlet groove 230 is wide in front and narrow in the back, so that the air flow rate is accelerated when flowing through the air inlet groove 230. According to Bernoulli's principle, the faster the fluid flow rate, the lower the pressure. Therefore, the pressure at the narrow mouth of the rear part of the air inlet groove 230 will be lower, thereby increasing the pressure difference between the suction cup 213 and the plastic part, and then increasing the suction force of the suction cup 213 on the plastic part.

[0041] When the volume of one end of the fixing rod 310 equipped with the No. 1 return spring 311 gradually increases, it is necessary to input gas into the fixing rod 310 to prevent the fixing rod 310 from forming a negative pressure on the side close to the suction cup 213 and causing deformation. Figure 7-Figure 8 As shown, a ventilation groove 240 is opened inside the T-shaped rod 211, and one side of the ventilation groove 240 is set through the inner wall of the T-shaped rod 211. When the T-shaped rod 211 moves toward the inside of the fixed rod 310, the volume of one end of the fixed rod 310 equipped with a No. 1 return spring 311 gradually increases, and the internal air pressure decreases at this time, thereby forming an air pressure difference with the air pressure outside the T-shaped rod 211. At this time, the gas outside the T-shaped rod 211 enters the ventilation groove 240 through the air inlet groove 230, and the gas in the ventilation groove 240 enters the fixed rod 310 again, thereby balancing the air pressure inside the fixed rod 310.

[0042] When the suction cup 213 fixes the irregular plastic part, it will deviate. Considering that after the suction cup 213 and the ball block 212 rotate, the air inlet groove 230 is always connected with the vent groove 240 to prevent the air from entering the vent groove 240 when the ball block 212 rotates and causes the air inlet groove 230 to enter. Figure 5As shown, the ball block 212 is located on one side inside the T-shaped rod 211 and is fixedly connected to two positioning blocks 220, and the two positioning blocks 220 are symmetrically arranged on both sides of the ball block 212 with the center of the ball block 212 as a reference. The positioning blocks 220 can limit the rotatable angle of the ball block 212, and the air outlet on one side of the air inlet groove 230 is located between the two positioning blocks 220, thereby ensuring that after the ball block 212 rotates, the air inlet groove 230 can always be connected to the ventilation groove 240, so that the gas in the air inlet groove 230 can enter the ventilation groove 240.

[0043] After the suction cup 213 rotates to fix the irregular plastic part, the position of the suction cup 213 changes. After the suction cup 213 does not fix the plastic part, the suction cup 213 needs to be reset and moved to prepare for the next fixation. Figure 5 As shown, the two positioning blocks 220 are both sleeved with a No. 2 return spring 221, and the side of the No. 2 return spring 221 away from the positioning block 220 is fixedly connected to the inner wall of the T-bar 211. When the suction cup 213 is fixed to the irregular plastic part, the suction cup 213 will deviate in order to better fit the surface of the plastic part. At this time, the suction cup 213 rotates, driving the ball block 212 to rotate, thereby driving the positioning block 220 to move. The movement of the positioning block 220 pulls the No. 2 return spring 221, causing the No. 2 return spring 221 to deform. When the suction cup 213 is not fixed to the plastic part subsequently, the ball block 212 and the suction cup 213 can be driven to reset and move under the force of the No. 2 return spring 221 to restore the deformation.

[0044] Considering the need to limit and fix both sides of the plastic part, such as Figure 1 As shown, two groups of limiting mechanisms 200 and auxiliary mechanisms 300 are provided, and are symmetrically arranged on both sides of the body 100. Two hydraulic rods 120 are fixedly installed on the inner wall of the bracket 110, and the output ends of the two hydraulic rods 120 are respectively fixedly connected to the adjacent mounting blocks 210. The two groups of limiting mechanisms 200 and auxiliary mechanisms 300 can fix the two sides of the plastic part, so that the fixing force on the plastic part is more balanced.

[0045] Working principle: By starting the hydraulic rod 120, the mounting block 210 is driven to move, thereby driving the fixing rod 310 to move, and then driving the T-shaped rod 211 to move. The movement of the T-shaped rod 211 drives the ball block 212 to move, thereby driving the suction cup 213 to clamp and limit the plastic parts placed on the body 100;

[0046] When clamping an irregularly shaped plastic part, one of the suction cups 213 first touches the plastic part, and the hydraulic rod 120 drives the mounting block 210 to continue to move, so that the other suction cups 213 can contact the plastic part. At this time, the suction cup 213 that first contacts the plastic part is squeezed and drives the T-shaped rod 211 to move inside the fixed rod 310. At this time, the No. 1 return spring 311 is deformed by the force, and the T-shaped rod 211 slides inside the fixed rod 310. At this time, the fixed rod 310 The volume of one end of the return spring 311 installed thereon gradually increases, so that the internal air pressure decreases, thereby forming an air pressure difference with the air pressure outside the T-shaped rod 211. At this time, the gas outside the T-shaped rod 211 enters the ventilation groove 240 through the air inlet groove 230, and the gas in the ventilation groove 240 enters the fixing rod 310. Since the pressure of the air inlet groove 230 decreases, suction is generated around the suction cup 213, thereby increasing the effect of the suction cup 213 on adsorbing and fixing the plastic part.

[0047] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A plastic parts production and processing assembly station, comprising a body (100), to which a bracket (110) is fixedly connected, characterized in that: An elastically clamping limiting mechanism (200) is provided inside the bracket (110), and an auxiliary mechanism (300) is provided on the limiting mechanism (200). The limiting mechanism (200) elastically moves to clamp workpieces of different shapes, and cooperates with the auxiliary mechanism (300) during the elastic movement of the limiting mechanism (200), so that a suction force is generated at the limiting end of the limiting mechanism (200).

2. The plastic parts production and processing assembly platform according to claim 1, characterized in that: The limiting mechanism (200) comprises at least a mounting block (210) slidably connected to the machine body (100); a plurality of T-shaped rods (211) are slidably connected to one side of the mounting block (210); a ball block (212) is rotatably connected to a side of the T-shaped rod (211) away from the mounting block (210); and a suction cup (213) is fixedly connected to a side of the ball block (212) away from the T-shaped rod (211).

3. The plastic parts production and processing assembly table according to claim 2, characterized in that: The auxiliary mechanism (300) comprises at least a plurality of fixing rods (310) fixedly connected to a side of the mounting block (210) close to the T-shaped rod (211), and the T-shaped rod (211) is slidably connected to the fixing rods (310).

4. The plastic parts production and processing assembly platform according to claim 3, characterized in that: A No. 1 return spring (311) is fixedly connected to the inner wall of the fixed rod (310), and a side of the No. 1 return spring (311) away from the fixed rod (310) is fixedly connected to a side of the T-shaped rod (211) located inside the fixed rod (310).

5. The plastic parts production and processing assembly platform according to claim 2, characterized in that: An air inlet groove (230) is provided inside the suction cup (213), and the air inlet groove (230) is arranged to penetrate the ball block (212), and the air inlet groove (230) is arranged to be wide at the front and narrow at the rear.

6. The plastic parts production and processing assembly platform according to claim 2, characterized in that: A vent groove (240) is provided inside the T-shaped rod (211), and one side of the vent groove (240) penetrates the inner wall of the T-shaped rod (211).

7. The plastic parts production and processing assembly table according to claim 2, characterized in that: Two positioning blocks (220) are fixedly connected to one side of the ball block (212) located inside the T-shaped rod (211), and the two positioning blocks (220) are symmetrically arranged on both sides of the ball block (212) with the center of the ball block (212) as a reference.

8. The plastic parts production and processing assembly platform according to claim 7, characterized in that: A No. 2 return spring (221) is sleeved on each of the two positioning blocks (220), and a side of the No. 2 return spring (221) away from the positioning block (220) is fixedly connected to the inner wall of the T-shaped rod (211).

9. The plastic parts production and processing assembly platform according to claim 3, characterized in that: The limiting mechanism (200) and the auxiliary mechanism (300) are provided in two groups in total and are symmetrically arranged on both sides of the machine body (100); two hydraulic rods (120) are fixedly installed on the inner wall of the bracket (110), and the output ends of the two hydraulic rods (120) are respectively fixedly connected to adjacent mounting blocks (210).

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