Positioning tool for ultrasonic welding equipment

Abstract

The utility model relates to the technical field of positioning tools, in particular to a positioning tool for ultrasonic welding equipment, which comprises a positioning table, a positioning mechanism and a positioning block, the positioning mechanism is mounted inside the positioning table, a plurality of through grooves are arranged on the upper surface of the positioning table, the bottom end of the positioning block penetrates through the through grooves and extends into the positioning table, and the positioning table is mounted on the positioning mechanism. The motor is in transmission connection with the positioning mechanism; the positioning mechanism comprises a shaft seat, a bidirectional screw rod, an optical shaft and a positioning assembly, the force arm a and the force arm b are kept in a locking state by adopting a coupling force generated after the force arm a and the force arm b are axially aligned, and once the shafts are completely aligned, the geometrical characteristics can be mutually clamped to form an interaction force, so that the force arm a and the force arm b are kept in a locking position; in the locking process, materials only need to be placed on the positioning table and pressure is applied downwards, the force arm a and the force arm b are forced to be axially aligned through the transmission block and maintain the locking state, operation is easy and fast, and the working efficiency can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to positioning frock technical field, concretely for a kind of positioning frock for ultrasonic welding equipment. BACKGROUND

[0002] Ultrasonic welding machine, industrial welding equipment, principle is by generator to generate 20KHz (or 15KHz) high voltage, high frequency signal, through transduction system, signal is converted into high frequency mechanical vibration, is added on plastic product workpiece, through workpiece surface and in the friction between molecules and make the temperature of interface transmitted to rise, when temperature reaches the melting point of workpiece itself, make workpiece interface rapidly melt, then fill in the gap between interface, when vibration stops, workpiece is cooled simultaneously under certain pressure and is shaped, reach welding purpose.

[0003] Ultrasonic welding equipment is widely used in the welding of plastics, metals and other materials, and positioning frock is usually matched to assist in the welding process to ensure welding accuracy and efficiency. However, there are still some problems: when positioning frock is used to position and clamp materials of the same size, repeated locking and unlocking operations are required during loading and unloading, which delays work efficiency and causes positioning accuracy difference due to repeated clamping, which easily affects welding accuracy. Therefore, in view of the above status, it is urgent to develop a positioning frock for ultrasonic welding equipment to overcome the shortcomings in current actual application and meet the current needs. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a positioning frock for ultrasonic welding equipment to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a positioning frock for ultrasonic welding equipment, comprising a positioning table, a positioning mechanism and a positioning block, the positioning mechanism is installed inside the positioning table, a plurality of through slots are formed on the upper surface of the positioning table, the bottom end of the positioning block penetrates through the through slot and extends to the inside of the positioning table, and is in transmission connection with the positioning mechanism.

[0006] The positioning mechanism comprises a shaft seat, a bidirectional screw rod, a light shaft and a positioning assembly, the bidirectional screw rod and the light shaft are rotatably installed on the inner top of the positioning table through separate shaft seats, the two ends of the bidirectional screw rod and the light shaft are slidably installed with the positioning assembly, the positioning assembly comprises a force arm a, a force arm b, a transmission block, a horizontal rod a, a horizontal rod b and a mounting block, one end of the force arm a and one end of the force arm b are hingedly connected with each other, the transmission block is sleeved at the hinged part of the force arm a and the force arm b, the other end of the force arm a is sleeved on the horizontal rod a, the other end of the force arm b is sleeved on the horizontal rod b, the mounting block is welded on one end of the force arm b and the horizontal rod b, the positioning block is fixedly connected with the mounting block, and the positioning assembly is provided with two groups and is distributed oppositely.

[0007] Preferably, the edge position of the cross bar b is sleeved with the shaft sleeve a, the edge position of the cross bar a is sleeved with the shaft sleeve b, the shaft sleeve a and the shaft sleeve b are slidably installed on the optical axis, a limiting shaft sleeve is slidably installed on the optical axis, a positioning shaft sleeve is welded at the bottom of the limiting shaft sleeve, a horizontal positioning shaft is fixedly arranged at the bottom of the shaft sleeve a, the end of the positioning shaft is arranged in the positioning shaft sleeve and is fixed with the positioning shaft sleeve through a nut, and a spring is sleeved on the optical axis between the shaft sleeve b and the limiting shaft sleeve, specifically, the shaft sleeve a and the shaft sleeve b can enable the positioning assembly to move along the optical axis, and the limiting shaft sleeve can exert a reaction force on the shaft sleeve b in cooperation with the spring.

[0008] Preferably, the middle position of the cross bar b is sleeved with a driving shaft sleeve, the middle position of the driving shaft sleeve is sleeved at one end of the bidirectional screw rod and is connected with the bidirectional screw rod through threads, and specifically, the bidirectional screw rod can drive the driving shaft sleeve to translate along the axis, so as to drive the positioning assembly to move horizontally.

[0009] Preferably, the end of the bidirectional screw rod is connected with a hand wheel in transmission, and specifically, the hand wheel can drive the bidirectional screw rod to rotate, so as to drive the positioning assemblies at two ends to move relatively.

[0010] Preferably, when the force arm a and the force arm b are both in a horizontal state, the upper surface of the transmission block is flush with the upper surface of the positioning table, and specifically, the mounting block and the force arm b form a 90-degree angle, so that the mounting block and the positioning plate are perpendicular to the table surface of the positioning table at this time, thereby forming a clamping and positioning effect on the material to be welded.

[0011] Preferably, the rotatable angle range of the force arm a and the force arm b is 0-60 degrees, and specifically, the maximum angle of the hinged position of the force arm a and the force arm b in the horizontal state is 180 degrees, and the hinged position can only move towards the top direction around the end hinged part.

[0012] Compared with the prior art, the positioning tool for the ultrasonic welding equipment has the following beneficial effects:

[0013] The coupling force of the force arm a and the force arm b after axial alignment maintains the locking state between the two, and once the shafts are completely aligned, the geometric features will be locked with each other to form a mutual force, so that the force arm a and the force arm b are kept in the locking position. The locking process only needs to place the material on the positioning table and apply pressure downward, so that the force arm a and the force arm b are axially aligned and maintained in the locking state through the transmission block. The operation is simple and fast, the working efficiency can be effectively improved, and repeated positioning is not needed, so that the precision problem caused by repeated positioning when processing the same size materials is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings described in the following embodiment are only some of the embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without creative labor.

[0015] Figure 1 It is a front structure schematic view of the present application.

[0016] Figure 2 It is a positioning mechanism structure schematic view of the present application.

[0017] Figure 3 It is a positioning mechanism side view of the present application.

[0018] Figure 4 It is a positioning assembly structure schematic view of the present application.

[0019] Figure 5 It is a positioning shaft structure schematic view of the present application.

[0020] In the figure: 10, positioning table; 101, through slot; 20, positioning mechanism; 201, shaft seat; 202, bidirectional screw; 203, optical axis; 204, positioning assembly; 2041, force arm a; 2042, force arm b; 2043, transmission block; 2044, cross rod a; 2045, cross rod b; 2046, mounting block; 205, shaft sleeve a; 2051, positioning shaft; 206, shaft sleeve b; 207, spring; 208, limiting shaft sleeve; 2081, positioning shaft sleeve; 209, driving shaft sleeve; 30, positioning block; 40, hand wheel. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0022] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood broadly, for example, can be fixed connection, or detachable connection, or integrated; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship of two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0023] Embodiment:

[0024] Please refer to Figures 1-5 The utility model provides a kind of positioning tool for ultrasonic welding equipment, including positioning table 10, positioning mechanism 20 and locating block 30, positioning mechanism 20 is installed in the inside of positioning table 10, the upper surface of positioning table 10 is equipped with multiple through slots 101, the bottom end of locating block 30 is through through slot 101 and extends to the inside of positioning table 10, and is transmissionally connected with positioning mechanism 20.

[0025] Positioning mechanism 20 includes shaft seat 201, bidirectional screw rod 202, optical axis 203 and positioning assembly 204, bidirectional screw rod 202, optical axis 203 are rotatably installed in the inner top of positioning table 10 by separate shaft seat 201, and the two ends of bidirectional screw rod 202 and optical axis 203 are slidably installed with positioning assembly 204, positioning assembly 204 includes force arm a 2041, force arm b 2042, transmission block 2043, cross bar a 2044, cross bar b 2045 and mounting block 2046, one end of force arm a 2041 and one end of force arm b 2042 are hingedly connected with each other, transmission block 2043 is sleeved at the hinged part of force arm a 2041 and force arm b 2042, the other end of force arm a 2041 is sleeved on cross bar a 2044, the other end of force arm b 2042 is sleeved on cross bar b 2045, and the end of force arm b 2042 and cross bar b 2045 is connected with mounting block 2046, locating block 30 is fixedly connected with mounting block 2046 by screw, and positioning assembly 204 is provided with two groups and is distributed oppositely.

[0026] Preferably, the edge position of cross bar b 2045 is sleeved with shaft sleeve a 205, the edge position of cross bar a 2044 is sleeved with shaft sleeve b 206, shaft sleeve a 205 and shaft sleeve b 206 are slidably installed on optical axis 203, limiting shaft sleeve 208 is slidably installed on optical axis 203, limiting shaft sleeve 208 is welded with positioning shaft sleeve 2081 at bottom, horizontal positioning shaft 2051 is fixedly arranged at the bottom of shaft sleeve a 205, the end of positioning shaft 2051 is arranged in positioning shaft sleeve 2081, and is fixed with positioning shaft sleeve 2081 by nut, spring 207 is sleeved on optical axis 203 between shaft sleeve b 206 and limiting shaft sleeve 208, specifically, shaft sleeve a 205 and shaft sleeve b 206 can make positioning assembly 204 move along optical axis 203, and limiting shaft sleeve 208 can cooperate with spring 207 to exert reaction force on shaft sleeve b 206.

[0027] Preferably, the middle position of the crossbar b2045 is sleeved with a driving shaft sleeve 209, the middle position of the driving shaft sleeve 209 is sleeved at one end of the bidirectional screw rod 202 and is connected with the bidirectional screw rod 202 through threads, specifically, the bidirectional screw rod 202 can drive the driving shaft sleeve 209 to translate along the axial direction, so as to drive the positioning assembly 204 to move horizontally.

[0028] Preferably, the end of the bidirectional screw rod 202 is drivingly connected with the hand wheel 40, specifically, the hand wheel 40 can drive the bidirectional screw rod 202 to rotate, so as to drive the positioning assemblies 204 at both ends to move relatively.

[0029] Preferably, when the force arm a2041 and the force arm b2042 are both in the horizontal state, the upper surface of the transmission block 2043 is flush with the upper surface of the positioning table 10, specifically, the mounting block 2046 forms a 90-degree angle with the force arm b2042, so that the mounting block 2046 and the positioning plate 30 are perpendicular to the tabletop of the positioning table 10 at this time, thereby forming a clamping and positioning effect on the material to be welded.

[0030] Preferably, the rotatable angle range of the force arm a2041 and the force arm b2042 is 0-60 degrees, specifically, the hinged position of the force arm a2041 and the force arm b2042 can form a 180-degree angle in the horizontal state, and the hinged position can only move towards the top around the end hinged part.

[0031] Working principle: when in use, according to the size of the material to be welded, the hand wheel 40 is rotated to drive the bidirectional screw rod 202 to rotate, and then the driving shaft sleeve 209 is driven to drive the two groups of positioning assemblies 204 to move relatively along the optical axis 203, until the distance between the two positioning plates 30 is consistent with the size of the material to be welded, then the hand wheel 40 is stopped and locked, and then the material to be welded is placed on the positioning table 10, at this time, the mounting block 2046 of the positioning assembly 204 is in an inclined state, the hinged position of the force arm a2041 and the force arm b2042 is higher than the hinged parts at both ends, so the transmission block 2043 is higher than the tabletop of the positioning table 10 through the through slot 101, after the material to be welded contacts with the transmission block 2043, the material to be welded is pressed downward to apply a downward force, so as to force the force arm a2041 and the force arm b2042 to form an axial horizontal alignment state, at this time, the force arm a2041 will cooperate with the crossbar a2044 to drive the shaft sleeve b206 to move to the middle position, so as to compress the spring 207, the spring 207 is compressed at the same time to release a counterforce, so that the force arm a2041 and the force arm b2042 form a locked state, when the material needs to be unloaded, the material is directly lifted upward to be separated, it is to be noted that the compression stroke of the spring 207 determines the size of the locking force in the locked state, the compression stroke of the spring 207 can be adjusted by adjusting the position of the positioning shaft sleeve 2081 on the positioning shaft 2051.

[0032] It is to be noted that, as used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component" can include a combination of two or more components. Additionally, the terms "comprise," "comprises," and "comprising," or any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements is not necessarily limited to those elements, but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, unless otherwise indicated herein, the terms "first," "second," "third," etc., are not intended to denote a physical order, quantity, or importance, but rather are used for the purpose of nomenclature.

Claims

1. A positioning tool for an ultrasonic welding apparatus, characterized by: The utility model provides a positioning device, including positioning table (10), positioning mechanism (20) and positioning block (30), positioning mechanism (20) is installed in the inside of positioning table (10), the upper surface of positioning table (10) is equipped with a plurality of through slot (101), the bottom of positioning block (30) is through the through slot (101) and extends to the inside of positioning table (10), and with positioning mechanism (20) transmission is connected, The positioning mechanism (20) includes a shaft seat (201), a bidirectional screw rod (202), an optical shaft (203), and a positioning assembly (204), the bidirectional screw rod (202) and the optical shaft (203) are rotatably installed at the inner top of the positioning table (10) through separate shaft seats (201), the two ends of the bidirectional screw rod (202) and the optical shaft (203) are slidably installed with the positioning assembly (204), the positioning assembly (204) includes a force arm a (2041), a force arm b (2042), a transmission block (2043), a cross rod a (2044), a cross rod b (2045), and a mounting block (2046), one end of the force arm a (2041) is hingedly connected with one end of the force arm b (2042), the transmission block (2043) is sleeved at the hinged part of the force arm a (2041) and the force arm b (2042), the other end of the force arm a (2041) is sleeved on the cross rod a (2044), the other end of the force arm b (2042) is sleeved on the cross rod b (2045), the mounting block (2046) is welded at the end of the force arm b (2042) connected with the cross rod b (2045), and the positioning block (30) is fixedly connected with the mounting block (2046) through screws.

2. A positioning tool for an ultrasonic welding apparatus according to claim 1, characterized in that: The edge position of the cross rod b (2045) is sleeved with a shaft sleeve a (205), the edge position of the cross rod a (2044) is sleeved with a shaft sleeve b (206), the shaft sleeve a (205) and the shaft sleeve b (206) are slidably installed on the optical shaft (203), a limiting shaft sleeve (208) is slidably installed on the optical shaft (203), the bottom of the limiting shaft sleeve (208) is welded with a positioning shaft sleeve (2081), the bottom of the shaft sleeve a (205) is fixedly provided with a horizontal positioning shaft (2051), the tail end of the positioning shaft (2051) penetrates into the positioning shaft sleeve (2081) and is fixed with the positioning shaft sleeve (2081) through a nut, and the spring (207) is sleeved on the optical shaft (203) between the shaft sleeve b (206) and the limiting shaft sleeve (208).

3. A positioning tool for an ultrasonic welding apparatus according to claim 1, characterized in that: The middle position of the cross rod b (2045) is sleeved with a driving shaft sleeve (209), the middle position of the driving shaft sleeve (209) is sleeved at one end of the bidirectional screw rod (202) and is threadedly connected with the bidirectional screw rod (202).

4. A positioning tool for an ultrasonic welding apparatus as defined in claim 1, wherein: The tail end of the bidirectional screw rod (202) is transmissionally connected with a hand wheel (40).

5. A positioning tool for an ultrasonic welding apparatus as defined in claim 1, wherein: When the force arm a (2041) and the force arm b (2042) are both in a horizontal state, the upper surface of the transmission block (2043) is flush with the upper surface of the positioning table (10).

6. A positioning tool for an ultrasonic welding apparatus as defined in claim 1, wherein: The rotatable angle range of the force arm a (2041), force arm b (2042) is 0-60 degrees.

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